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mmlu_train_79517
Soon computers and other machines will be able to remember you by looking at your eyes! The programme works because everyone's eyes are different. So in the future you won't have to remember a number when you want to use a machine or take money out of a bank. You'll just have to look at the machine and it will be able to tell who you are. The eye-recognition programme is tested in shops and banks in the USA, Britain and Italy. Scientists are working on other systems, such as knowing you from the shape of your face or hand or even your smell! And machines can already tell who you are from your voice or your fingerprint . But eye-recognition will replace other ways of finding out who you are. It is better, because your eyes don't change as you get older, or get dirty like hands or fingers. And even twins have different eyes, so the programme can be up to 94% correct, depending on how good the technology is. In Britain, it was found that 91% of people said that they liked the idea of eye-recognition. ,. What problems could there be with the eye-recognition programme?
[ "Some eyes are the same.", "Eyes can change.", "It is not always correct.", "Eyes can get dirty." ]
C. It is not always correct.
mmlu_train
aquarat_53517
After getting two successive discounts, a shirt with a list price of Rs. 300 is available at Rs. 210. if the second discount is 12.5%, find the first discount.
[ "15%", "20%", "25%", "12.5%", "None of these" ]
B. 20%
aquarat
mmlu_train_55121
Elderly adults who regularly drink green tea may stay more active and independent than their peers over time,according to a Japanese study that covered thousands of people. Green tea contains antioxidant chemicals that may help _ the cell damage that can lead to disease.Researchers have been studying green tea's effect on everything from cholesterol to the risk of certain cancers,with mixed results so far. For the new Japanese study,researchers decided to examine the question of whether green tea drinkers have a lower risk of frailty and disability as they grow older. Tomata and his colleagues followed nearly 14,000 adults aged 65 or older for three years. They found those who drank the most green tea were the least likely to develop "functional disability",or problems with daily activities or basic needs,such as dressing or bathing. Specifically,almost 13 percent of adults who drank less than a cup of green tea per day became functionally disabled,compared with just over 7 percent of people who drank at least five cups fl day. The study did not prove that green tea alone kept people active as they grew older. Green-tea lovers generally had healthier diets,including more fish,vegetables and fruit,as well as more education.lower smoking rates,fewer heart attacks and strokes,and greater mental sharpness. They also tended to be more socially active and have more friends and family to rely on. Although it's not clear how green tea might offer a buffer against disability,Tomata's team did note that one recent study found green tea extracts seem to increase leg muscle strength in older women. While green tea and its extracts are considered safe in small amounts,they do contain caffeine and small amounts of vitamin K,which means it could block drugs that prevent blood thickened. Tomata and his colleagues wanted to _ .
[ "prove whether the Japanese study is correct", "know if green tea drinkers are independent", "help nearly 14,000 adults aged 65 or older", "study green tea's effect on cholesterol" ]
A. prove whether the Japanese study is correct
mmlu_train
aquarat_23488
A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in sƟll water is
[ "4 kmph", "5 kmph", "6 kmph", "7 kmph", "None of these" ]
B. 5 kmph
aquarat
aquarat_7381
The average mark of the students of a class in a particular exam is 90. If 2 students whose average mark in that exam is 45 are excluded, the average mark of the remaining will be 95. Find the number of students who wrote the exam?
[ "10", "40", "20", "30", "25" ]
C. 20
aquarat
aquarat_5690
Anna and Carol buy CDs and tapes at a music store that sells each of its CDs for a certain price and each of its tapes for a certain price. Anna spends twice as much as Carol spends, buying three times as many CDs and the same number of tapes. If Carol spends $80.00 on four CDs and five tapes, how much does one tape cost?
[ "$5.00", "$6.25", "$12.00", "$8.00", "$100.00" ]
D. $8.00
aquarat
mmlu_train_49526
Using the Internet , doctors "can answer more questions from more patients in a shorter time, " writes Dr Badal Pal, a famous doctor in Manchester, IJK. According to Pal, nearly 40% of American patients say they have used e-mail to communicate with a doctor in the past. He notes however, that although patients have such interest, only up to 2% of doctors in the United States offer e-mail services. Using e-mail, doctors can make sure of their advice and point patients to patients information materials and sources on the Internet. It's said that more than 10.000 health-oriented websites already exist now. However some people worry that widespread use of medical e-mail might set up two kinds of care--one "haves" and another for the "have-nots". But Pal points out that "In the near future nearly every library will offer (Internet and e-mail)services in the United States, " allowing even low-income patients to use such means. Pal also talks about other possible barriers to acceptance of medical e-mail. "Doctors may be unwilling to offer e-mail services for fear of increasing workload and uncertainty about the time they spent," he explained, and patients may worry that their medical information might be read by others. "But these problems can all be solved," he adds. E-mail may well help us a lot in health care, Pal concludes. "Patients want to know more than they can get in normal clinics," he points out, "and they might find communication on the information superhighway less fearful than face-to-face dialogue with their doctors." According to the passage, some people worry that widespread use of medical e-mail might _ .
[ "help both those who have access to the Internet and those who don't", "meet double doubts from those who have access to the Internet and those who don't", "make trouble between those who can use the Internet and those who cannot", "make trouble between those who have Internet experiences and those who haven'...
C. make trouble between those who can use the Internet and those who cannot
mmlu_train
arc_easy_75
Howie put his plants under a plant light. What was he helping his plants do by providing light?
[ "make food", "attract insects", "release pollen", "grow roots" ]
A. make food
arc_easy
mmlu_train_63939
On May 18,1969,NASA astronauts Thomas Stafford,John Young,and Eugene Cernan boarded the Apollo 10 lunar module --the fourth manned mission in the US Apollo Space program and only the second after Apollo 8 to circle the moon.Its mission was to circle the moon and thoroughly test the components and procedures to pave the way for the first lunar landing. The mission went perfectly without incident--at least that's what every one believed. However, that view has changed since February 22, after NASA released a digital recording of strange music heard by the space travelers.Then as they were re-entering the zone where they could communicate with ground control.One of the astronauts asked if they should report it.In response, Stafford expressed his doubts if anyone would even believe them.But they needn't have worried. When NASA experts listened to the recordings,they thought the strange sounds were radio interference. Michael Collins--the Apollo 11 pilot--said that the only reason why he was not shocked upon hearing them was that he had been forewarned by NASA officials.Collins also said that the music stopped as soon as the lunar module landed on the moon. So why did it take NASA over 40 years to release the digital recording of the awful music only after it was featured in a recent television series NASA's Unexplained Files? The US Space Agency says they have not been hiding them.In the press release that accompanies the release of the recording,NASA officials state,"The Apollo 10 audio clips were uploaded in 2012, but the mission's sound recordings have been available at the National Archives for anyone that wanted to hear them since the early 1970s." Eugene Cernan, Apollo 10's pilot who heard the sounds first,also released a statement saying,"I don't remember that incident excited me enough to take it seriously.It was probably just radio interference.Had we thought it was something other than that,we would have briefed everyone after the flight. We never gave it another thought." While most people are ready to accept this logical explanation,there are some that believe otherwise. They guess the music proves the presence of aliens. Among them is Apollo 15 astronaut Al Worden,who thinks the sounds came from a source in outer space.In the episode of NASA's Unexplained Files, which discusses the origin of the strange music,the astronaut says, "Logic tells me that if there was something recorded on there,then there was something there." According to the passage, _ .
[ "the mission of Apollo 10 turned out to be unsuccessful", "NASA made the TV series to clarify some space-related mysteries", "Al Worden on Apollo 15 believes in aliens and logic", "Michael Collins knew about the strange sounds before his flight" ]
C. Al Worden on Apollo 15 believes in aliens and logic
mmlu_train
aquarat_28256
If the wages of 6 men for 15 days be Rs.2100, then find the wages of for 12 days.
[ "Rs. 2530", "Rs. 2520", "Rs. 2500", "Rs. 1520", "Rs. 3520" ]
B. Rs. 2520
aquarat
arc_easy_1676
White light can be separated into all of its component colors by
[ "mixing the three primary colors of light.", "passing the light through a prism.", "passing the light through a colored filter.", "using a translucent material to filter the light." ]
B. passing the light through a prism.
arc_easy
aquarat_42704
A Ball is dropped from 8 m height.it rebounds to half the height when it hits the ground. What is the distance travelled by the ball before it hits the ground?
[ "20m", "21m", "22m", "24m", "28m" ]
D. 24m
aquarat
mmlu_train_47303
Some students who took the International English Language Testing System(IELTS) exam in August and September, 2015 have had their results"withheld permanently", sending a strong signal that the examiners intend to stamp out cheating, some senior language tutors said. Yang Yuting, chief language training tutor at Amber Education, an overseas education consulting agency, said there have been a few cases in which candidates' IELTS results were canceled in recent years, leaving the students with no qualification but this is the first time he has heard that results, including those of some of his students, were"withheld permanently", meaning IELTS will not give the students their results, nor will they give them to others. Wang Xin, a senior student at the Communication University of China in Beijing, took an IELTS test on August 1 and the results were due within 10 working days. But she was then informed that her results were undergoing routine checks. Soon after that, she received an e-mail telling her that"a decision has been made to withhold this result permanently"and stating that Wang had"breached IELTS test rules and regulations". A number of students who took the test during the past two months in cities including Nanjing, Changsha and Guangzhou, have had the same experience. Many test takers said they were confused because they didn't know how they had breached the rules and regulations. IELTS authorities said in an e-mail toChinaDailythat IELTS takes the responsibility of providing test results very seriously. Results are only withheld in cases where there is strong evidence to suggest that the candidates have not observed IELTS regulations."In these cases, we are unable to guarantee that their result is a true reflection of their English language skills,"they said in the e-mail, although they gave no figures of how many students were involved."We regret any inconvenience this may cause, but these measures are essential to protect the value of the results for more than 2.5 million test takers every year. Hundreds of thousands of people take IELTS in China every year and the number of results which are permanently withheld is a tiny proportion ,"they said. Hu Min, president ofNew Channel International Education Group, an English-language tutorial agency in China, said a major cause of results being withheld might be an extreme imbalance in performance levels in the four sections of the test."For example, if a student scores very high in the reading and listening sections while performing poorly in writing and speaking, IELTS authorities may suspect that the test taker has memorized the reading and listening questions -- a practice that is very popular among Chinese test takers,"he said."IELTS authorities discourage such a practice and would determine that the scores can't reflect the real English level if test takers do so." Students whose results were withheld were .
[ "surprised at the news", "to take a make-up test", "informed of the reasons by letter", "aware of the reasons in their own heart" ]
A. surprised at the news
mmlu_train
arc_easy_1941
Removing waste from the body is the primary function of which body system?
[ "excretory", "nervous", "circulatory", "skeletal" ]
A. excretory
arc_easy
mmlu_train_36941
Next Stop: Planet Mars Fly me to the moon? That's not far enough. On September 14, 2011, NASA released designs for a superrocket, the Space Launch System (SLS). This time the final destination will be Mars. The SLS is a huge, liquid-fuelled rocket. If it is fully developed, it will be the most powerful rocket ever built. Its lift capability will be much bigger than that of the space shuttle of Saturn 5, the rocket that sent the Apollo missions to the moon. NASA is planning to launch its first unmanned test flight in 2017. It is hoped that the first crew will fly in 2021 and astronauts will make it to a nearby asteroid in 2025. NASA hopes to send the rocket and astronauts to Mars from the asteroid by the 2030s, according to the Associated Press (AP). NASA used liquid rockets to send Apollo, Gemini and Mercury into space, but later changed to solid rockets boosters because they were cheaper. Tragically, however, a booster flaw caused the space shuttle Challenger to crash in 1986. The new project plans to return to liquid fuel. According to AP, the rockets will at first be able to carry 77 to 110 tons of payload . Eventually they will be able to carry 143 tons into space, maybe even as many as 165 tons, NASA officials said. By comparison, the Saturn 5 booster could lift 130 tons and the space shuttle just 27 tons. However, unlike reusable shuttles, these powerful rockets are mostly one use only. New ones have to be built for every launch. This will be very costly. NASA estimates that it will cost about $3 billion (19 billion yuan) per year, or $18 billion until the first test flight in 2017. NASA hopes to make money by allowing private companies to send astronauts to the International Space Station like giant taxi services, so that the program can be "sustainable". "This is perhaps the biggest thing for space exploration in decades," said Senator Bill Nelson, a former astronaut. "The goal is to fly humans safely beyond low-Earth orbit and deep into outer space where we cannot only survive, but one day also live." According to NASA's schedule, it will take _ years to fully complete the SLS program.
[ "about 6", "about 10", "less than 14", "more than 19" ]
D. more than 19
mmlu_train
mmlu_train_18073
Most American children eat potatoes every day, but they don't know which part of potato is most nourishing .Take a sharp knife and cut a very thin slice from it and hold it to the light, and you will see that the potato has skin, an outside rim and the inner part. The outside rim which is right under the skin is most nutritious.But this part is often thrown away with the skin. Even the skin itself is better for food than the inside. When eating a cooked potato, if you choose the inside and leave the outside, you are wasting the best part of it. If you can't eat the whole potato, it is better to eat the outside rim and leave the inner part. A potato has _ .
[ "one part only", "two parts", "three parts", "four parts" ]
C. three parts
mmlu_train
aquarat_20333
If a 19-cup mixture of powder and water contained 1 cup of powder. How many cups of powder must be added to get a mixture having powder and water in the ratio of 1:2?
[ "6", "8", "17", "19", "24" ]
D. 19
aquarat
mmlu_train_77156
Do you want to be healthy? Then you must eat well and get a lot of exercise. If you're healthy, your body works well and you also feel well. Here are some trips. Eat more fruit and vegetables. "One apple a day, keep the doctor away!"Fruit and vegetables have rich vitamins. They can help us to keep healthy. Remember to eat some fruit and vegetables every day. Drink water and milk often. When you are thirsty, water is the best choice. Try to limit soda drinks, such as Coca Cola, Sprite and Fanta. Milk is also very good for your body. Drink a cup of milk every day if possible. Listen to your body. You'd better notice how your body feels when you eat. That is to say you should stop eating when you're full. It can make you feel comfortable. Limit screen time. Don't spend too much time watching TV or DCDs, playing video games or using the computer. You should do some outdoor activities, such as playing basketball, going riding and swimming. If you follow the tips, I'm sure you'll have a healthy body. The passage mainly tells us _ .
[ "how to eat well", "how to exercise", "how to spend free time", "how to stay healthy" ]
D. how to stay healthy
mmlu_train
mmlu_train_47107
A couple of years ago, those who forecast that oil price would reach $ 100 a barrel were seen as doomsters. However, now some are predicting $ 200 a barrel. Had economists been told that oil price would barely pause at $ 100 before reaching the recent peak of nearly $ 127, they would no doubt have forecast terrible economic consequences. But the global economy, though interrupted by the high price of energy, is still chugging along. Meanwhile, inflation has picked up, but the headlinerates of inflation in most developed countries are nowhere near the levels seen in the 1970s and 1980s. There are three explanations for the oil price's unclear impact. The first is that nowadays developed economies are more efficient in their use of energy, thanks partly to the increased importance of service industries and the diminished role of manufacturing . According to the Energy Information Administration, the energy intensity of America's GDP fell by 42% between 1980 and 2007. A second theory is that the oil-price rise has been steady, not sudden, giving the economy time to adjust. Giovanni Serio of Goldman Sachs points out that in 1973 there was a severe supply shock because of the oil embargo , when the world had to cope with 10%-15% less crude almost overnight. Not this time. The third explanation turns the argument on its head; rather than oil harming the global economy, it is global expansion that is driving up the price of oil. The most important factor is the shift in favor of the developing economies. America has responded to high price in familiar fashion: UBS forecasts that demand will drop by 1.1% this year and will be no higher in 2010 than it was in 2004. But the demand from China and other emerging markets is more than offsetting this shortfall. What is the passage mainly talking about?
[ "The prediction of economists.", "The situation of economy", "The increase of oil price", "The American response to high price" ]
C. The increase of oil price
mmlu_train
mmlu_train_60174
For nearly a century before there was such a thing as a space program,a view of space was possible.People could see full views of the Moon,explore Mars ,and study the outer space beauty.All of this was made possible by a small group of artist-astronomers who worked to show people how other worlds in space might look. Lucien Rudaux,a French artist,was the first to use his artistic ability and his knowledge of astronomy in art.His paintings show a mixture of skilled observations,brilliant imagination and careful attention.As a result,many of his works have come surprisingly close to actual conditions on distant planets.His painting of Mars included moonlike craters that were first photographed by the astronauts in 1965.His 1930 painting of a dust storm looks remarkably like a photograph of a storm taken by the astronauts in 1976. The artist-astronomers,including Rudaux,made people interested in outer space by painting what turned out to be exact portraits of the planets. According to the passage,artist-astronomers spent their lives _ .
[ "exploring the planets", "studying paintings", "painting the planets", "producing spaceships" ]
C. painting the planets
mmlu_train
mmlu_train_23867
Eat like a king in the morning, a prince at noon, and a peasant at night. This saying is all about the importance of breakfast. And now scientists can tell us just why it's so important. According to a study carried out at Imperial College London, UK, skipping the first meal of the day not only means you eat more at lunch, but also that your brain wants to find more unhealthy foods. The study suggests that there is a special part of our brain called the orbitofrontal cortex , which plays an important part in making choices about what we eat. It is used for identifying the taste of food, especially when skipping breakfast. It is more likely to target high-calorie foods when you're on an empty stomach. Scientists did an experiment on this. Dr Tony Goldstone from Imperial College London, scanned the brains of 21 men and women, around the age of 25. On the first day, these people skipped breakfast before the scans. On the second day, they had cereal , bread and jam as breakfast. After the scan on both days, they had their lunch. When the volunteers had skipped breakfast, they ate around 20 percent more at lunch, compared with days when they had eaten breakfast.Their brain scans also showed the orbitofrontal cortex was especially responsive to high-calorie foods. "We believe that bit identifies the value of foods - how pleasant, how delicious something is," Goldstone told The Guardian. In the experiment, the volunteers without breakfast ate about 20% _ at lunch.
[ "of the usual breakfast", "more than the usual breakfast", "of the usual lunch", "more than the usual lunch" ]
D. more than the usual lunch
mmlu_train
mmlu_train_4338
A robin catches and eats a cricket. Which statement best describes the roles of each animal?
[ "The robin is the prey and the cricket is the predator.", "The robin is the predator and the cricket is the prey.", "The robin is the consumer and the cricket is the producer.", "The robin is the producer and the cricket is the consumer." ]
B. The robin is the predator and the cricket is the prey.
mmlu_train
mmlu_train_16797
While some scientists overlook the existence of a sixth sense for danger, a new research from Washington University in St. Louis has discovered a brain area that clearly acts as an early warning system and helps us adjust our behavior to avoid dangerous situations. "Our brains are better at picking up not obvious warning signs than we previously thought," said Joshua Brown, a PhD in psychology in the issue of the journal Science. The findings offer exact scientific evidence for a new way to form a concept of the complex control processes taking place in and around the ACC, a brain area located near the top of the frontal lobes and along the walls that divide the left and right hemispheres . "In the past, we found activity in the ACC when people had to make a difficult decision, or after they make a mistake," Brown said. "But now we find that this brain area can actually learn to recognize when you might make a mistake, even before a difficult decision has to be made. So the ACC appears to act as an early warning system---- it learns to warn us in advance when our behavior might lead to a negative outcome, so that we can be more careful and avoid making a mistake." By providing a clearer picture by which we self monitor and control our behavior, the study is an important step in efforts to develop more effective treatments for mental illnesses. It also provides a new way of understanding inappropriate behaviors that often accompany mental illnesses. "Our results suggest how injury of the ACC can lead to breakdowns in the early warning system, so that the brain fails to stop or control inappropriate behavior ahead of time," said Brown. "On the other hand, in those persons with mental disorder, the ACC might warn us of an upcoming problem even when no problem is in the existence." Known to be an important part of the brain's control system, the ACC is believed to help adjust between cold, hard, fact-based reasoning and emotional responses, such as love, fear or expectation. The new research helps us understand _ .
[ "why we are likely to make mistakes when the ACC is badly injured", "why people with illnesses usually have so many strange behaviors", "how the ACC works when something dangerous happens", "how our brain warns us of failure in advance" ]
A. why we are likely to make mistakes when the ACC is badly injured
mmlu_train
arc_easy_1974
Which of the following heat exchange processes involves the collision of particles?
[ "insulation", "conduction", "convection", "radiation" ]
B. conduction
arc_easy
mmlu_train_84718
Have you seen Avatar(<<>> )? It's a popular 3D movie, and you may have to wear 3D glasses to see it. The 3D glasses make the images from the movie look as if they were coming straight towards you. More and more 3D movies are coming to theaters. Some say that 3D TV sets will come into our homes in the near future. 3D technology can make TV and movies are more exciting. However, people with eye problems may get headaches if they spend too much time watching 3D movies. Why? When we look at an object , each eye sees it at a different angle . Our eyes send the two images to our brain , and the brain puts them together. 3D technology uses two film projectors . One projects a left-eye-image and the other projects a right-eye-image. 3D glasses allow us to see a different image in each eye. So, when we are watching a 3D movie, our brain can't put together the images sent to our eyes. The brain needs to work harder at "reading" the images. That makes it easier for people with eye problems to get dizzy or have headaches. A famous eye doctor said if your eyes can't focus on the same object at once, you will have trouble watching 3D movies. . If you wear a pair of 3D glasses, _ .
[ "you will see different images in both eyes", "your brain can't work at all", "the images can be put together easily by your brain", "our brain can put the images together" ]
A. you will see different images in both eyes
mmlu_train
aquarat_27225
Three people (1 couple and 1 single) are seated at random in a row of 4 chairs. What is the probability that the couple does not sit together?
[ "3/7", "1/2", "2/5", "3/4", "5/12" ]
B. 1/2
aquarat
mmlu_train_32268
Every few years, we buy an expensive new PC and love how fast it runs. Unavoidably though, it starts to slow down until eventually we are pulling our hair out waiting for it to do tasks. Why is this? It turns out the answer is quite simple and you don't even need to be "technical" to understand the causes and solutions. In most cases, the hardware you have is capable of being restored to its original function and kept in fast running condition with little effort. Spyware are software programs that are loaded on your computer without your permission. Most spyware and viruses get onto our computers through files that we download from the Internet or as attachments to emails. They tend to take up a lot of computing power and , as a result, will slow down your computer. The simple rule to follow is to never download any free software programs from companies you do not know and trust, especially screensavers, emoticons, and the like. In addition, you should never open any attachment to an email unless you are 100 percent certain you know and trust the sender. In addition, make sure you have a good anti-virus spyware removal software running at all times. Every time you load a program, your PC's software registry is updated with new instructions needed to operate that item. However, when the item is carried out, these instructions remain on your PC. Every time you run your computer it tries to execute these instructions but, because the related program can't be founded, it causes a registry error. Your PC is doing a lot more work than it should be and the result is a slower computer. One of the best ways to manage this is with a neat little tool from Support.com. You can now get a free working version of the software which will quickly scan your entire PC and identify all of the registry errors. The free version also scans for junk and checks your PC. It will deal with the first 100 errors for free, and if you have more to clean up, you can easily upgrade to the full version for just $29.95. The PC starts working slower _ .
[ "when the hardware is stored some information.", "until we pull out our hair in the PC", "when the hardware gets wrong", "after the software are infected with problems" ]
D. after the software are infected with problems
mmlu_train
mmlu_train_4713
Which sense is used to tell if there is sugar in a glass of tea?
[ "Touch", "Hearing", "Smell", "Taste" ]
D. Taste
mmlu_train
aquarat_10155
If it would take one machine 8 minutes to fill a large production order and another machine 12 minutes to fill the same order, how many minutes would it take both machines working together, at their respective rates, to fill the order?
[ "4 4/5", "5", "5 5/11", "5 1/2", "11" ]
A. 4 4/5
aquarat
mmlu_train_34137
Today, when a fire breaks out, you can be sure a citizen with a cell-phone camera has posted it to Facebook or Twitter, or sent it to the media.But up to now, that citizen has not been able to easily send images and details of what is happening to the people who need it most: police, firefighters and building-security people who must respond, and whose ability to help is often measured in minutes, if not seconds. That's about to change.A one-year old company called Elerts has developed a system that's designed to mobile and social technologies to speed the flow of information between citizens and emergency workers in time of danger.The system involves free mobile applications--iPhone and iPad app is available now--that eyewitnesses can use to report incidents and get public-safety warnings.And Elerts is offering a management console for security firms and universities to receive the reports and distribute warnings and instructions, like a map with the best evacuation route . The service is the brainchild of Chris Russo, deputy fire chief in the coastal town of Hull, Mass.As mobile communications sped up, he grew increasingly frustrated by his inability to communicate effectively with colleagues and the public, particularly with people who are at the scene and might be able to provide help. "Remembering situations when communications failed _ ," Mr.Russo says.Last summer, he was in a search at a beach for a missing boy, who went into a bathhouse but didn't come out.First responders feared an abduction on the beach or shark attack.The child's mother, who didn't speak English well, was so sad that she couldn't remember what color1 shorts he had on.Mr.Russo had no photo of the child, and no ability to turn to beachgoers. Two long hours later, the boy was spotted by a low-flying helicopter lost and alone on the beach crying--a lucky break."If 5 percent of beachgoers had an app to receive a message and send in sightings of a lost boy, the happy ending might have come much sooner," Mr.Russo said. We can infer from the passage that emergency workers _ .
[ "have to carry out rescue work in minutes", "need images and detailed information badly", "must send images and details immediately", "have to turn to Facebook and Twitter for details" ]
B. need images and detailed information badly
mmlu_train
arc_challenge_347
A student investigated the percentage of energy obtained from several food sources for a population of eagles. Which format is the best way to display this data?
[ "a table", "a pie chart", "a bar graph", "a line graph" ]
B. a pie chart
arc_challenge
mmlu_train_98961
You can use plants like star anise for
[ "hugging", "running", "swimming", "sustenance seasoning" ]
D. sustenance seasoning
mmlu_train
arc_easy_629
A student adds sugar, spices, and salt to a bowl of peanuts and stirs them together. What has the student made?
[ "a compound", "a substance", "a mixture", "a solution" ]
C. a mixture
arc_easy
mmlu_train_98960
Powdered substances such as oregano and pepper that are used to add flavor to foods come from
[ "beef", "petroleum", "cheese", "producers" ]
D. producers
mmlu_train
aquarat_31269
The total of 324 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is
[ "238", "277", "278", "200", "288" ]
D. 200
aquarat
mmlu_train_48236
Perhaps you have heard a lot about the Internet, but what is it, do you know? The Internet is a network. It uses the telephone to join millions of computers together around the world. Maybe that doesn't sound very interesting. But when you're joined to the Internet, there are lots and lots of things you can do. You can send E-mails to your friends, and they can get them in a few seconds. You can also do with all kinds of information on the World Wide Web (www). There are many different kinds of computers now. They all can be joined to the Internet. Most of them are small machines sitting on people's desks at home, but there are still many others in schools, offices or large companies. These computers are owned by people and companies, but no one really owns the Internet itself. There are lots of places for you to go into the Internet. For example, your school may have the Internet. You can use it during lessons or free time. Libraries often have computers joined to the Internet. You are welcome to use it at any time. Thanks to the Internet, the world is becoming smaller and smaller. It is possible for you to work at home with a computer in front, getting and sending the information you need. You can buy or sell whatever you want on the Internet. But do you know 98% of the information on the Internet is in English? So what will English be like tomorrow? What does the writer try to tell us in the last two sentences?
[ "English is important in using the Internet.", "The Internet is more and more popular.", "Most of the information is in English.", "Every computer must have the Internet." ]
A. English is important in using the Internet.
mmlu_train
mmlu_train_52835
Howling is a behavior commonly observed among a wolf nark. An animals, wolves work together to hunt and rely on howling was an important means of communication each other. There are different explants of a wolf's howl and it appears that there may be more to discover. One theory is that wolves howl to bend better together. It's almost as if howling together helps the pack stay together. Perhaps something similar to people feeling a sense of involvement with each other when singing a song together . But this theory may be wrong, explains Fred H. Harington, a professor who studies wolf behavior. Indeed, there have been tines when wolves have been seen one moment howling in a exhorts, and the next, quarreling anions each other. It appears that usually the lowest-tanking menthes of the pack may actually be "punished" for Joining in the churs at times. So is howling a way to strcagthen a social boad or just a way to reconfirm status among its members? ----Why do welves howl for sure? What is cleat, however, is that howling is often used among packmates to locate each other. Hunting grounds are distant and it happens that woloves may separate from one another at times. When this happens, howling appcars to be an ercellent means of gathering. Howling, interestingly, is a contagious behaviour. When one wolf starts to howl, very likely others will follow. This is often seen to occat in the morning, as if wolves were doing some sotr of "roll rall"where wolves all howl togeter to howl, very likely others will follow. This is often seen to occar in the morning, as if wolves were doing w some sotr of "roll call"where wolves all howl together to repotr their pteence. Reseatchers are sure that wolves often howl to _ .
[ "show their ranks", "find their companion", "report the missing ones", "express their lonelingess" ]
B. find their companion
mmlu_train
arc_challenge_152
Plant and animal life cycles are alike because they both
[ "begin as eggs.", "require the same amount of time.", "have beginning, growing, and mature stages.", "resemble their parents from the beginning stages." ]
C. have beginning, growing, and mature stages.
arc_challenge
aquarat_27096
If the C.I. on a sum for 2 years at 12 1/2 % per annum is Rs. 510, the S.I. on the same sum at the same rate for the same period of time is?
[ "333", "2877", "278", "480", "288" ]
D. 480
aquarat
mmlu_train_25738
A robot is a computer-controlled machine that is programmed to move and handle objects. Robots are able to perform repetitive tasks more quickly, cheaply, and accurately than humans. In 1995, about 700,000 robots were used-including over 500,000 in Japan, about 120,000 in Western Europe, and about 60,000 in the United States-all in the industrialized world. Many robots applications are designed for tasks that are either dangerous or unpleasant for human beings. Now, robotic technology can be used in more and more fields. Experts say in the future robots will be able to make new highways, constructsteel frameworks of buildings, clean sewage , and such physical work. Besides, another possibility is the development of robotic technology in medical surgery operations. Perhaps the greatest changes in future robots will improve from their increasing ability to reason. The field of artificial intelligence is moving rapidly from university labs to practical application in industry, and machines of a new kind of robots are being developed, _ can perform something involved in the process of understanding and planning, such as the management of a battlefield. Even the control of a large factory will be performed by intelligent computers. And there might be a possibility that these computers can design and make robots of their own. Is there anything dangerous involved in this artificial intelligence progress then? Robot technology has been making people nervous ever since it was invented. Is it unreasonable to worry that robots will someday become too clever? Is it impossible that these human-like robots will start to think and plan for themselves? Will robots take over the world and force humans to give them energy to survive? Which of the following makes people worried most?
[ "Future robotic technology might cause dangers.", "Future robotic technology might make people too clever.", "Future robotic technology might help to do all dangerous jobs.", "Future robotic technology might not survive because of its shortage of energy." ]
A. Future robotic technology might cause dangers.
mmlu_train
mmlu_train_40906
London--coffee protects mice from radiation and could get the same way in humans, according to Indian scientists. Scientist at India's Bhabha Atomic Research Center discovered that mice injected with caffeine remained alive after high doses of normally _ radiation. Although the study was limited to animals, Kachadillilli George, head of the research team, believes the findings could have implications (something suggested ) for humans . "It does suggest that coffee might have some beneficial effects in protecting against radiation," he told New Scientist magazine late last month. George and his team injected 471 mice with caffeine and left them uncovered to 7.5 grays of gamma radiation ,enough to kill most mice. But 25 days later 70 percent of the mice that had received 80 milligrams of caffeine per kilogram of body weight were still alive. On the contrary all 196 mice that had been left uncovered to the same radiation but had not been given any caffeine died. From the news, we know _ can be protected from radiation.
[ "both mice and humans", "only mice", "only humans", "neither humans nor mice" ]
A. both mice and humans
mmlu_train
mmlu_train_93922
What is significant about the discovery of water on Mars?
[ "It proves there is life on Mars.", "It provides evidence there may be life on Mars.", "It proves there was an advanced civilization on Mars.", "It provides evidence of an advanced civilization on Mars." ]
B. It provides evidence there may be life on Mars.
mmlu_train
mmlu_train_66375
NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences. Violence and traffic accidents can leave people with terrible physical and emotional scars. Often they relive these experiences in nightmares. Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce, or possibly wipe out, the effect of painful memories. In November, experts tested a drug on people in the US and France. The drug stops the body releasing chemicals that fix memories in the brain. So far the research has suggested that only the emotional effects of memories may be reduced, not that the memories are wiped out. They are not sure to what degree people's memories are affected. The research has caused a great deal of argument. Some think it is a bad idea, while others support it. Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They say that there are many people who suffer from terrible memories. "Some memories can ruin people's lives. They come back to you when you don't want to have them in a daydream or nightmare. They usually come with very painful emotions," said Roger Pitman, a professor of psychiatry at Harvard Medical School. "This could relieve a lot of that suffering." But those who are against the research say that maybe the pills can change people's memories and changing memories is very dangerous because memories give us our identity. They also help us all avoid the mistakes of the past. "All of us can think of bad events in our lives that were terrible at the time but make us who we are. I'm not sure we want to wipe those memories out, "said Rebecca Dresser, a medical ethicist. The drug tested on people can _ .
[ "cause the brain to fix memories", "stop people remembering bad experiences", "prevent body producing certain chemicals", "wipe out the emotional effects of memories" ]
C. prevent body producing certain chemicals
mmlu_train
arc_easy_1742
Which of the following best describes a role of mushrooms in ecosystems?
[ "capturing energy from sunlight", "consuming living plant material", "taking energy from animal hosts", "breaking down dead plant material" ]
D. breaking down dead plant material
arc_easy
aquarat_53350
In a certain alphabet, 16 letters contain a dot and a straight line. 30 letters contain a straight line but do not contain a dot. If that alphabet has 50 letters, all of which contain either a dot or a straight line or both, how many letters contain a dot but do not contain a straight line?
[ "4", "8", "12", "16", "20" ]
A. 4
aquarat
aquarat_22815
The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
[ "58", "56", "51", "52", "59" ]
B. 56
aquarat
mmlu_train_71332
How many things can you see in the night sky? A lot! On a clear night you can see the moon, some planets, and thousands of sparking stars. You can see even more with a telescope. You might see that many stars look larger than others. You might see that some stars that look white are really red or blue. With bigger and bigger telescopes you can see more and more objects in the sky. And you can see those objects in more and more detail. But scientists believe there are some things in the sky that we will never see. We won't see them with the biggest telescope in the world, on the clearest night of the year.That's because they're _ . They're the mysterious dead stars called black holes. You might find it hard to imagine that stars die. After all, our sun is a star. Year after year we see it up in the sky, burning brightly and giving us heat and light. The Sun certainly doesn't seem to be getting old or weak. But stars do burn out and die after billions of years. As a star's gases burn, they give off light and heat. But when the gases run out, the star stops burning and begins to die. So next time you look up at the night sky, remember: there's more in the sky than we can see! How can we see even more in the sky?
[ "By using a telescope", "By using a microscope", "By climbing up to the top of a mountain", "By going outside on a clear night." ]
A. By using a telescope
mmlu_train
aquarat_47292
Steve traveled the first 2 hours of his journey at 50 mph and the remaining 3 hours of his journey at 80 mph. What is his average speed for the entire journey?
[ "68 mph", "56.67 mph", "53.33 mph", "64 mph", "66.67 mph" ]
A. 68 mph
aquarat
arc_easy_308
Which of the following is not an inherited trait of humans?
[ "eye color", "hair color", "favorite food", "height" ]
C. favorite food
arc_easy
mmlu_train_8753
It's 10:30 p.m., and 11-year-old Brandon Blanco is sound asleep at home. Suddenly, a loud noise wakes him up. Naturally, Brandon reaches for his cell phone. He blinks twice, and the message on the screen becomes clear: "R U awake?" But the late-night text does not annoy Brandon. He gets frequent messages and calls, even after bedtime. And he can't imagine life without them. "If I didn't have a cell phone, I wouldn't be able to talk to my friends or family as often," he told the Kaiser Family Foundation. Brandon's use of technology doesn't stop there. He also has a computer, a TV and three video-game consoles in his room. With so many devices, it is no surprise that when he is not at school, he spends nearly every waking minute using one or more of these devices. Brandon is hardly alone. According to a recent study by TFK, kids aged 8 to 18 are spending more time than ever before using electronic devices. How much time? More than seven and a half hours a day on average, the study found. That's about an hour more than just five years ago. The jump is the result of a huge explosion in mobile devices, says Victoria Rideout, the lead author of the study. "These devices have opened up many more opportunities for young people to use media, whether it's on the bus, on the way to school or waiting in line at the pizza parlor," says Rideout. Often, kids multitask, or use more than one device at a time. "If you've got a chance to do something on your computer and take a phone call and have the TV on in the background, why not?" Media expert Cheryl Olson says. Most experts agree technology has much to offer kids. But some worry the kids could be missing out on other activities like playing outside or hanging out with friends. "It's a matter of balance," says Olson. Multitasking while doing homework is another concern. Some kids listen to music, watch TV or use the phone while doing their homework. "It's important to make sure that you can stop and concentrate on one thing deeply," says Rideout. With new and exciting devices hitting stores every year, keeping technology use _ is more important than ever. "Kids should try," adds Rideout. "But parents might have to step in sometimes." It can be learned from the text that _ .
[ "many teenagers lack friends in their middle school", "kids have too many electronic devices to choose from", "Brandon feels annoyed about his late-night message", "Olson is against teenagers' using mobile phones" ]
B. kids have too many electronic devices to choose from
mmlu_train
mmlu_train_29015
When it comes to eating out, we can't help thinking of big meals in the restaurants, which usually contain much more fat and less fibers. Whether it is a business meeting over lunch or a fast food meal with the kids, eating out is a part of our lives. We eat out to save a lot of time, like grabbing a bite at fast food restaurants, or we take dining out as a favorite way to relax and socialize with friends. Eating out can be fun but many people still like eating at home more because it is healthier. When my dear wife does not prepare foods for me, I would rather cook some instant noodles and eat at home! However, we go out to eat once in a while for holidays or on special occasions. More and more people want to make healthy food choices nowadays. Some are watching calories, while others want to keep their cholesterol under control or eat less fat. Plan ahead and choose wisely, you will find foods that fit into your meal plan and make eating out both healthy and enjoyable. Here are some pointers to remember that can help you make wise choices when eating out: go for balance, watch portion sizes and drink water or low-fat milk.Keep the ground rules of good nutrition in mind.Eat a variety of foods in moderate amounts, limit the amount of fat you eat, and watch the amount of salt in food.If you develop the skills to make healthy choices now, your body will thank you later. Eating out can be one of life's great pleasures.Make the right choices, ask for what you need, and balance your meals out with healthy meals at home.You can enjoy yourself and take good care of yourself at the same time. On the author's wedding anniversary, _ .
[ "he prefers to cook some instant noodles for his wife", "he would like to have a party at home", "he must make an important choice", "he is likely to take his wife to eat out" ]
C. he must make an important choice
mmlu_train
arc_challenge_83
The source of energy for the Earth's water cycle is the
[ "wind", "Sun's radiation", "Earth's radiation", "Sun's gravity" ]
B. Sun's radiation
arc_challenge
mmlu_train_93258
What is the primary energy source that drives all weather events, including precipitation, hurricanes, and tornados?
[ "the Sun", "the Moon", "Earth's gravity", "Earth's rotation" ]
A. the Sun
mmlu_train
mmlu_train_9328
Rhinos are big and can be dangerous. They are also shy and seldom seen. Once there were hundreds of rhino species, but today there are only five. One ancient rhino called Indricotherium was the largest land mammal that ever lived. It was 5m high at the shoulders, and 8.5m long-- twice the size of today's biggest elephant! The living rhinos are still big, averaging 2-3m long and weighing up to 3,600kg. To see all five species of living rhino you would need to do a bit of exploring. First you might visit Africa for a look at the white rhino and the black rhino. They live in Africa's dry woodlands and grasslands. Then you could head to India and Nepal for a look at the Indian rhino. It lives in the high grasslands near rivers, where you have to ride an elephant to find one. Finally you might travel to the rainforests on the islands of Indonesia to see the Sumatran and Javan rhinos. These are the smallest and rarest rhinos in the world and extremely difficult to find. Most rhinos are gentle and timid .They have a bad reputation for being very , but that may be partly because they get frightened easily. Also, they have poor eyesight. They rely on their strong sense of smell to tell them a stranger is approaching, but if the wind is blowing the wrong way, they may not know someone is there until it's too late. Rhinos can be found only in their habitats, which is why habitat destruction has caused rhino populations to decline. As they disappear from certain places, their absence leads to many changes to the landscape. For example, black rhinos in Africa only eat shrubs and small trees, pruning the plants and limiting their growth. Many other species benefit from this, and as rhinos disappear, so do many other animals sharing their habitat. Bushes and trees take over the land and force species like the antelope to leave in search of food. In a short time the whole habitat has changed. From the text we learn that _ .
[ "rhinos are all big and dangerous", "rhino numbers have declined greatly", "rhinos are twice as large as elephants", "Indricotherium is the world's biggest living animal now" ]
B. rhino numbers have declined greatly
mmlu_train
mmlu_train_69131
Food wasting is often seen in China. It's reported that food waste has produced 70% of the country's increasing rubbish. Especially in restaurants, plenty of food is wasted every day. Huge food waste is usually seen in wedding banquets , birthday banquets and business meals. However, when many people waste food, there is still a large number of people who do not have enough food to eat. Luckily, when dining out is part of everyday life, more and more people have realized packing up the leftovers when dinning might be the right thing to do. Now here is some advice about how. When packing leftovers, take staple foods such as steamed bread. However, leftovers of cold dishes should not be packed up, because the cold dishes can not be heated after being brought home and may go bad and cause illness. Also, leftovers should be kept in the right way after being brought home. Food should be kept at temperatures below 10 degC or higher than 70 degC.But if the packed food is put under room temperatures, they should be eaten within four hours. Packing leftovers in the right way is important, but it's more important to know how to order the right number of dishes. Don't be afraid of losing face by ordering less. After all, food doesn't come easily. Food waste is usually seen in _ .
[ "wedding banquets", "birthday banquets", "business meals", "All above" ]
D. All above
mmlu_train
mmlu_train_83855
It is reported by Chinese Xinhua News that students waste more food than the national average. So the campaign on school food waste is getting popular across the country. The move is part of a national campaign started by students at different schools. At East China University of Science, students who finish their food in the school dining hall get a special card when they return their plates after meals. Students can collect cards and exchange them for small gifts, such as books, schoolbags, magazines and umbrellas. "It's been such a surprise," said Liang Zhaoyun, 19, a student in Shanghai. "It has given us one more motivation to eat up our food." "The purpose of the campaign is not only to encourage students to finish their food. We hope it can also teach students to choose a more environment-friendly and healthy lifestyle," said Tao Siliang from University of Traditional Chinese Medicine. Other schools also pay attention to the quantity of food. At Nanjing No.9 Middle School, rice is divided into three different-sized bowls that students can choose from according to their own need. "It's great because I can try different dishes at half price and don't waste so much food," said Fan Peng, 15, a student from this middle school. What if you really can't finish all your food? At Changchun Normal College, they provide a take-away service. "If you can't finish all your food, you can get a box to take the left food home. Even if you feed the cat, it's not wasted," said Zhou Zeyong, a student who learns Chinese education. "I'm happy that we've cut down waste since joining the school 'eat-up' meeting. But some food is poorly cooked, meaning that students are not willing to finish it all. Some schools have taken note of this. So if we hope students try to waste less food, we should also improve the service and keep an eye on the meal quality on weekdays at school. If not, you can't complain students for throwing away much food," said Wang Guangji, the head-teacher of Beijing No. 29 Middle School. Which of the followings is true according to the passage?
[ "The campaign is only to encourage students to eat up food.", "We try to think up many good ways to help clear plates.", "We will make notes if students waste much food again.", "We shouldn't complain students for throwing away food" ]
B. We try to think up many good ways to help clear plates.
mmlu_train
mmlu_train_33055
Scientists have created a way to control a robot with signals from human brain.By generating the proper brainwaves--picked up by a cap with electrodes that sense the signals and reflect a person's instructions--scientists can instruct a humanoid robot to move to specific locations and pick up certain objects. The commands are limited to moving forward,picking up one of two objects and bringing it to one of two locations.The researchers have achieved 94 percent accuracy between the thought commands and the robot's movements. "This is really a proofofconcept demonstration," said Rajesh Rao,a researcher from the University of Washington who leads the project."It suggests that one day we might be able to use semiautonomous robots for such jobs as helping disabled people or performing routine tasks in a person's home." The person wearing the electrode cap watches the robot's movements on a computer screen through two cameras installed on and above the robot. When the robot's cameras see the objects that are to be picked up they pass on the information to the user's computer screen.Each object lights up randomly on the computer screen.When a person wants something picked up and it happens to light up,the brain registers surprise and sends this brain activity to the computer and then to the robot.The robot then proceeds to pick up the object. A similar algorithm is used to decide where the robot will go. "One of the important things about this demonstration is that we're using a 'noisy' brain signal to control the robot," Rao said."That means we can only obtain brain signals indirectly from sensors on the surface of the head,not where they are generated deep in the brain.As a result,the user can only generate highlevel commands such as indicating which object to pick up or which location to go to,and the robot needs to be autonomous enough to be able to execute such commands." In the future,the researchers hope to make the robots more adaptive to the environment by having them carry out more complex commands. Which of the following is TRUE about the robot?
[ "It can move forward and backward and pick up two objects at the same time.", "It can move forward,pick up both objects and bring them to either location.", "It can only move forward,pick up one object and put it in one location.", "It can read all human thought demands and do as instructed." ]
C. It can only move forward,pick up one object and put it in one location.
mmlu_train
arc_challenge_754
The weathering of landforms depends on various factors. Which area would most likely have the fastest rate of chemical weathering?
[ "freezing and dry regions", "warm and moist regions", "cool and humid regions", "hot and dry regions" ]
B. warm and moist regions
arc_challenge
aquarat_11376
A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is?
[ "886 m", "787 m", "876 m", "150 m", "586 m" ]
D. 150 m
aquarat
mmlu_train_42117
Sleep deprivation is an important hidden factor in lowering the achievement of school pupils, according to researchers carrying out international education tests. It is a particular problem in richer countries with sleep experts linking it to the use of mobile phones and computers in bedroom late at night. Sleep deprivation is such a serious problem that lessons have to be dragged down to a lower level to suit sleep-deprived learners, the study found. The international comparison, carried out by Boston College, found the United States to have the highest number of sleep-deprived students, with 73% of 9- and 10-year-olds and 80% of 13- and 14-year-olds identified by their teachers as being negatively affected. In literacy tests there were 76% of 9- and 10-year-olds lacking sleep. This was much higher than the international average of 47% of primary pupils needing more sleep and 57% among the secondary age group. Other countries with the most sleep-deprived youngsters were New Zealand, Saudi Arabia, Australia, England, Ireland and France. High-performing Finland is also among the most lacking in sleep. Countries with the best records for getting enough sleep include Azerbaijan, Kazakhstan, Portugal, the Czech Republic, Japan and Malta. The analysis was part of the huge date-gathering process for global education rankings, the Trends in International Mathematics and Science Study(TIMSS)and Progress in International Reading Literacy Study(PIRLS) "I think we underestimate the impact of sleep. Our data show that across countries internationally, on average, children who have more sleep achieve higher in maths, science and reading. That is exactly what our data show," says Chad Minnich of the TIMSS and PIRLS International Study Center. "It's the same link for children who are lacking basic nutrition," says Mr Minnich, based at the Lynch School of Education, Boston College. "If you are unable to concentrate, to attend mentally, you are unable to achieve at your best level, because your mind and body are in need of something more basic. Sleep is a fundamental need for all children. If teachers report such large proportions of children suffering from lack of sleep, it's having a significant impact. But worse than that, teachers are having to adjust their instruction based on those children who are suffering from a lack of sleep. The children who are suffering from a lack of sleep are driving down instruction." That means that even the children who are getting enough sleep are still suffering from this sleep-related lowering. What did the researchers of Boston College try to find?
[ "Why children don't get enough sleep", "How many hours children sleep every night", "The relationship between sleep and test results", "The relationship between sleep and health" ]
C. The relationship between sleep and test results
mmlu_train
mmlu_train_19924
They were just grasshoppers . But there were millions of them, which was why dad was so anxious to get rid of them. "They're totally destroying our beans," he told Mom over lunchtime one Saturday. "I've been trying to keep them out of the tomatoes, but I don't know if I can make it." "Isn't there something you can do about them?"Mom asked. She was mostly concerned about the tomatoes. "I think there's a spray or something," Dad said. "I'm going down to the garden center after lunch and see if they have any suggestions." I'm pretty sure that's what he said. But what I heard was, "While I'm gone, why don't you and George come up with your own plan for getting fid of the grasshoppers?" And so that's what we did. It was the summer between fifth and sixth grade, so we were feeling pretty clever and mature. Certainly we knew how to get rid of these grasshoppers. That seemed simple enough. Finally Ron and Don joined us but then, things got a little crazy. Before we knew it we were doing terrible experiments. I won't describe our experiments. Let's just call it "The Adventures of the Marquis de Orkin". Da came home and saw these different deaths. We were laughing, but the laughter quickly turned to silence when we saw the look on my dad's face. "What are you boys doing?" he asked . "We're just sort of helping to get rid of the grasshoppers," I said. "This isn't 'getting rid of grasshoppers,'" Dad said. "This is killing." I was confused. I looked at the insecticide he was carrying. "But aren't you going to kill grasshoppers with that?" I asked. "Yes, because it's something we need to do for the protection of our garden," he said seriously. "But I'm not going to enjoy it." It can be inferred from the text that _ .
[ "the tomatoes in the garden were badly damaged by grasshoppers", "the father was advised to get rid of grasshoppers with insecticide", "the father asked the author to help catch grasshoppers", "the author's way of treating grasshoppers was interesting" ]
B. the father was advised to get rid of grasshoppers with insecticide
mmlu_train
mmlu_train_93405
Plankton are tiny ocean organisms. The role of one type of plankton is to use the energy from the Sun to produce food that other animals eat. Which organism has the same role in the ocean as this type of plankton?
[ "seaweed", "turtle", "dolphin", "crab" ]
A. seaweed
mmlu_train
aquarat_50811
If n = 10p, where p is a prime number greater than 2, how many different positive even divisors does n have, including n ?
[ "Two", "Three", "Four", "Six", "Eight" ]
C. Four
aquarat
mmlu_train_91090
Look, this is a photo of Mr. White's family. The man in the photo is Mr. White, the father. The woman is the mother. They have two daughters. The girl behind Mr. White is Mary. She's 14. The girl behind Mrs. White is Jane. She is 11. Mary and Jane are in the same school, but not the same grade. Mary is in Grade2. Jane is in Grade 1. They are good students. Jane is _ sister.
[ "Mr. White's", "Mary's", "Mrs. White's", "Peter's" ]
B. Mary's
mmlu_train
mmlu_train_45561
Below is some advice on how to prevent cancer: 8 Ways to Avoid Cancer in Your Life 1. Eat Blueberries Aside from being a healthy and delicious snack, blueberries contain pterostilbene, which has important colon cancer-fighting prosperities. But wait, it gets better. Blueberries also offer a large dose of vitamins C (14 milligrams per cup). So at breakfast, try to take in a cup and a half of blueberries in your cereal or yogurt, or mixed with other berries. 2. Drink Pomegranate Juice The deep red juice of the pomegranate contains polyphenols, isoflavones and ellagic acid, which together create a powerful anticancer mixture. Most recently, researchers from the University of Wisconsin at Madison has discovered that 16 ounces of pomegranate juice per day also may inhibit the growth of lung cancer. 3. Relax Feeling stressed or worried? Find ways to relax and you may reduce your chances of developing cancer. Purdue University researchers tracked 1,600 men over 12 years and found that half of those with high levels of worry died during the study period. Only 20 percent of the optimists died before the study were completed, while 34 percent of the extremely anxious men died of some type of cancer. Instead of stressing about the past or future, focus on the present and relax! 4. Take Selenium Selenium is well known for its cancer-fighting properties. In a study of almost 1,000 men, researchers from the Journal of the National Cancer Institute found that when men with the lowest initial levels of selenium in their bodies received a daily supplement over a 4 year period, they cut their prostate cancer risk by a remarkable 92 percent. However, it is possible to get too much of a good thing, so monitor your intake of selenium-containing supplements, Brazil nuts, tuna, meats and grains carefully. 5. Eat Sushi Seaweed may not be your idea of a great snack, but it is high in fiber, calcium and iron, and dry, roasted seaweed sheets used in sushi provide the additional benefits of vitamins A and C. Sushi rolls are also high in protein-- a typical spicy tuna roll has only 290 calories but packs 24 grams of protein. So don't skimp on the Sushi! 6. Enjoy the Outdoors Vitamin D causes early death of cancer cells. A study published in the American Journey of Clinical Nutrition reported that women who supplemented their diets with 1,000 international. Units of vitamin D every day had a 60 percent to 77 percent lower incidence of cancer ever a four-year period that did women taking a placebo . Experts recommend supplementing your fun in the sun with 1,100 to 2,000IU of vitamin D each day. 7. Breathe Clean Air There's no question that secondhand smoke kills. A recent American Journal of Public Health study showed that nonsmokers working in smoky places had three times the amount of carcinogen in their urine than nonsmokers working in smoke-free locations. What's worse, their levels of the carcinogen rose 6 percent for every hour worked. Nine states have banned smoking in all workplaces, bars and restaurants. The message is clear: Do whatever you can to avoid the cloud of smoke. 8. Break a Sweat Even a small amount of exercise can offer major cancer-fighting benefits. In a study of 29,110 men published in the International Journal of Cancer, men who exercised just once a week had a percent lower risk of metastasis prostate cancer than men who didn't work out at all. The better the frequency, duration and intensity of the exercise, the bigger the reduction in risk, according to the study. If you want to keep cancer away, it is particularly important to _ .
[ "have a daily supplement of vitamins B and C", "try to ignore the secondhand smoking", "take in as many selenium-containing supplements as possible", "having exercise as often as possible" ]
D. having exercise as often as possible
mmlu_train
aquarat_38280
A milk man makes a profit of 20% on the sale of milk. If he were to add 10% water to the milk, by what % would his profit increase?
[ "30", "40⁄3", "22", "10", "None of these" ]
B. 40⁄3
aquarat
aquarat_38937
If n = 30! + 27, then n is divisible by which of the following? I. 25 II. 27 III. 29
[ "None", "I only", "II only", "I and II", "II and III" ]
C. II only
aquarat
aquarat_53257
If the tens digit of positive integers x, y are 6, how many values of the tens digit of 2(x+y) can be there?
[ "2", "3", "4", "5", "6" ]
C. 4
aquarat
mmlu_train_8289
Tales From Animal Hospital David Grant David Grant has become a familiar face to millions of fans of Animal Hospital . Here Dr Grant tells us the very best of his personal stories about the animals he has treated ,including familiar patients such as the dogs Snowy and Duchess , the delightful cat Marigold Serendipity Diamond . He also takes the reader behind the scenes at Harmsworth Memorial Animal Hospital as he describes his day , from ordinary medical check-ups to surgery . Tales From Animal Hospital will delight all fans of the program and anyone who has a lively interest in their pet ,whether it be cat , dog or snake I ! $ 14.99 Hardback 272 pp Simon Schuster ISBN 0751304417 Isaac Newton : The Last Sorcerer Michael White Form the author of Stephen Hawking : A Life in Science , comes this colorful description of the life of the world's first modern scientist . Interesting yet based on fact , Michael White's learned yet readable new book offers a true picture of Newton completely different from what people commonly know about him . Newton is shown as a gifted scientist with very human weaknesses who stood at the point in history where magic ended and science began. PS8.99 Hardback 320 pp Fourth Estate ISBN 1857024168 Fermat's Last Theorem Simon Singh In 1963 a schoolboy called Andrew Wiles reading in his school library came across the world's greatest mathematical problem : Fermat's Last Theorem . First put forward by the French mathematician Pierre de Fermat in the seventeenth century, the theorem had _ and beaten the finest mathematical minds , including a French woman scientist who made a major advance in working out the problem , and who had to dress like a man in order to be able to study at the Ecole Polytechnique . Through unbelievable determination Andrew Wiles finally worked out the problem in 1995 . An unusual story of human effort over three centuries , Fermat's Last Theorem will delight specialists and general readers alike . PS12.99 Hardback 384 pp Fourth Estate ISBN 1857025210 In Michael White's book , Newton is described as _ .
[ "a person who did not look the same as in many pictures", "a person who lived a colorful and meaningful life", "a great but not perfect man", "an old-time magician" ]
C. a great but not perfect man
mmlu_train
aquarat_39248
The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?
[ "48", "44", "42", "40", "38" ]
C. 42
aquarat
aquarat_10452
A scale 7 ft. 6 inches long is divided into 5 equal parts. Find the length of each part.
[ "20 inches", "77 inches", "66 inches", "18 inches", "66 inches" ]
D. 18 inches
aquarat
aquarat_27231
Pants, Shorts and Shirts in a dresser are in the ratio of 7: 7: 10. If there are 14 Pants, the number of Shirts in the dresser is:
[ "14", "7", "20", "70", "35" ]
C. 20
aquarat
arc_easy_394
Which unit of measurement can be used to describe the length of a desk?
[ "centimeters", "grams", "liters", "degrees Celsius" ]
A. centimeters
arc_easy
aquarat_11562
A train passes a station platform in 34 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
[ "248 m", "210 m", "277 m", "765 m", "176 m" ]
B. 210 m
aquarat
mmlu_train_90759
In junior high school in America, kids study English, writing, math, physics, biology, music and art. At 12 o'clock, the students eat lunch at school. They have meat, vegetables, fruit, bread and a drink, but they like hot dogs and hamburgers best. American kids like sugar, and after the meal they can have a small piece of cake. Students sleep for a short time after lunch. They begin classes at 1:30 in the afternoon. They go to school on weekdays and have classes for six hours every day and then return home. Parents let their kids play or watch TV until dinner at 6:00 p. m. After dinner, they do their homework. Sometimes kids and their parents have a family activity after dinner. What do the students like best for lunch at school?
[ "Meat and fruit.", "Hot dogs and hamburgers.", "Hot dogs and sugar.", "Bread and hamburgers." ]
B. Hot dogs and hamburgers.
mmlu_train
mmlu_train_29844
Animals are considered to be endangered if the species is close to extinction throughout all or most of its environment. Animals become endangered for a variety of reasons. Some animals become endangered when their habitats contain resources for humans. For example, commercial forest cutting in the Amazon Rainforest has seriously reduced the population of many animal species and lead to the extinction of other groups. Land itself is an important resource to humans since it provides us with living space, and when people replace animal habitats with human habitats, it can lead to larger loss of natural species. Commercial and industrial operations may reduce land or water for animals and pollute their environment. Due to water pollution, the baiji, a fresh water dolphin native to China, was declared extinct, meaning it's unlikely the population can recover. Even noise pollution from human activities can lead to the disorder of animal behavior. Another cause that makes animals become endangered is over-fishing or over-hunting. Over-hunting whales led to near extinction of many species of whales. The introduction of a non-native species to a habitat may make animals become endangered. The native species may not defend against a new one, and the effects can be dangerous. In Australia, the introduction of the common house cat led to the extinction of the red-fronted parakeet and has seriously damaged the populations of several small animals. Introduced species can also bring new diseases with them. As a result, animals become endangered. Native animals may not have the power to fight against non-native diseases, and population levels can suffer. Another cause of disease is human-introduced chemicals. The use of DDT is believed to be one of the leading causes in driving the California Condor to near extinction. When animals become endangered, the entire food chain can be affected. For example, in 2008 disease seriously harmed the honeybee, which is largely responsible for pollinating plants, including many fruits and vegetables. Without their pollination, a very large part of the human diet could be reduced. In fact, if the honeybee should become extinct, our life would be affected and billions of dollars would be lost. Therefore, many people argue that when animals become endangered it is in man's own self-interest to protect them. The passage is mainly about _ .
[ "ways of protecting animals' habitats", "effects caused by species endangerment", "dangers of bringing in non-native species", "reasons why animals become endangered" ]
D. reasons why animals become endangered
mmlu_train
mmlu_train_99840
Birds will have different kinds of beaks depending on the
[ "organisms they hunt", "computer", "groceries", "seven" ]
A. organisms they hunt
mmlu_train
aquarat_12874
A reduction of 40% in the price of bananas would enable a man to obtain 66 more for Rs.40, what is reduced price per dozen?
[ "1.91", "2.91", "4.91", "3.91", "5.91" ]
B. 2.91
aquarat
mmlu_train_76119
Stop. Listen! What do you hear? You may hear many different sounds. Some of those sounds may be noise. Noise is a loud or unwanted sound. Noise can be caused by many kinds of machines, such as motorcycles, jet planes and farm tractors . Rock music is also noise. What happens to people who live near noisy machines or use them over a period of time? Doctors have found that these people have trouble in sleeping. But, most important, constant loud noise can cause a loss of hearing. Scientists use a unit of measure called decibel to measure the loudness of a sound. The sound of a quiet room, for example, measures 35 decibels. Talking measures between 40 and 65 decibels. Sounds from traffic and from some rock bands can measure over 120 decibels. Noise at this high level causes the great hearing loss. A decibel is a _ .
[ "unit that measures sound", "kind of noise", "machine that makes loud noise", "person who hates sound" ]
A. unit that measures sound
mmlu_train
aquarat_21215
Lloyd normally works 7.5 hours per day and earns $4.50 per hour. For each hour he works in excess of 7.5 hours on a given day, he is paid 2.0 times his regular rate. If Lloyd works 10.5 hours on a given day, how much does he earn for that day?
[ "$33.75", "$47.25", "$60.75", "$54.00", "$70.00" ]
C. $60.75
aquarat
mmlu_train_87514
Growing mushrooms is probably the easiest thing you can do even if you are new to mushroom growing. It is becoming more common because restaurants are starting to create more dishes that include mushrooms. Mushroom growing is easy. To start, you need to have a space where you are going to grow these mushrooms. It does not have to be a huge space but just enough for you to grow as many mushrooms as you need. When you have found the space perfect for you, you can start researching what kind of mushrooms you want to grow. There are a lot of mushrooms to choose from and not all of them are suitable to eat. When you decide what kind of mushrooms you want to grow, you can start getting ready to plant the mushrooms. Sometimes you may want to hire some workers to help if you have a large mushroom farm, or if you are trying to start a professional mushroom growing business. Trying to have a business by yourself can be stressful. If you don't have enough time to spend taking care of everything yourself, dome helpers may be the best choice. After you have started the mushroom growing, you should regularly check that your mushrooms grow properly and that they are not being attacked by any pesticides or any other animals or something that could be dangerous to them. That is the worst part of mushroom developing. Protect your mushroom farm well with a fence or a gate so that only you and your workers can get in and out. Mushroom growing is not difficult and it is easy to get stared in the world of farming. You will soon possibly be able to provide some of the great cooks of the world with high quality mushrooms that will be enjoyed by thousands of people all over the world. It can be inferred from the passage that _ .
[ "pesticides can be used in mushroom growing", "anyone can produce high quality mushrooms.", "after starting, you should always take care of the mushrooms", "having a mushroom business is not so difficult" ]
C. after starting, you should always take care of the mushrooms
mmlu_train
aquarat_18989
In how many ways, a committee of 5 members can be selected from 6 men and 5 ladies, consisting of 3 men and 2 ladies?
[ "423", "456", "264", "200", "154" ]
D. 200
aquarat
mmlu_train_42031
Scientists discovered 163 new species in Southeast Asia's Greater Mekong region last year,but all are at risk of extinction due to climate change,the WWF said in a report released Friday. The newly discovered creatures include a birdeating frog with fangs ,a bird that would rather walk than fly and a gecko whose alien appearance inspired the report's title of "Close Encounters",the conservation group said. The report was released ahead of major UN talks on climate change in Bangkok next week,which are being held before a makeorbreak summit in Copenhagen this December. "Some species will be able to adapt to climate change,and many will not,potentially resulting in massive extinction," Stuart Chapman,director of the WWF Greater Mekong program,said in the report."Rare and endangered species like those newly discovered are especially vulnerable because climate change will further shrink their already restricted habitats," he said. "The new discoveries in 2010 include 100 plants,28 fish,18 reptiles,14 amphibians,2 mammals and a bird,"the WWF report said.The area spans Cambodia,Laos,Myanmar,Thailand,Vietnam and China's Yunnan Province. "Among the new species is the birdeating fanged frog,which remains hidden in a protected area of Thailand despite the fact that scientists are studying there for 40 years," the report said. The tigerstriped pit viper was discovered accidentally on an island off the coast of Vietnam when a scientist was looking for a lizard and his son pointed out that his hand was on a rock right next to the snake's fangs."We caught the snake and the gecko and they both proved to be new species," researcher Lee Grismer of La Sierra University in California was quoted as saying in the report.The leopard gecko,found on another Vietnamese island,has the coloring of a leopard and bizarre orange,catlike eyes and thin legs. The Greater Mekong region has proved a rich area for scientists.The WWF said in December 2010 that it had found 1,068 new species there between 1997 and 2009. When Lee Grismer discovered the tigerstriped pit viper,he probably felt _ .
[ "frightened", "disappointed", "excited", "puzzled" ]
C. excited
mmlu_train
mmlu_train_14739
The structure and workings of the university are ever changing. The university of the past is not like the university of the present and the university of the present will not be like the university of the future. This "adaptation" to the times is what can make some universities great or make some universities among the worst in the nation. In the past the university was very set in their ways. They did things the way they wanted them done. They paid no attention to the rest of the society and the way the ones paying the bills wanted them done. In the past the professors would lecture endlessly to the students, which often left the students bored and with no idea what was really said to them in the lecture. This is no way to try and teach students; students need interaction with the professors that are paid to teach them. As Paulo Freire believed there needs to be communication between the students and the professors and the class should not be totally memorization. This is the way that things were done in the past. In the present many universities have either changed or are changing the way that they run their universities. The universities now are taking on many of the modern educational beliefs in order to make changes in the teaching methods. Universities are breaking down many of the divides between majors that they offer. By breaking these barriers the universities are becoming less specialized and more diverse. This goes along with the ideas of Berry who believes that the schools are over-specialized and that the universities are now just machines that are merely meant to produce workers. In the past few years the colleges have been lowering the standards of admission, which in turn lowers the standards of all the schools below the college level. The universities are now on the right track by increasing the standards of admission into their colleges. In the author's view, what can decide a university's quality?
[ "What its structure is like.", "How its workings are run.", "What times it belongs to.", "Whether it'll adjust itself." ]
D. Whether it'll adjust itself.
mmlu_train
arc_easy_1300
Students conducted an investigation with green bananas. They hypothesized that an onion placed near a banana could increase the rate at which the banana ripened. They placed one onion and one banana in each of three containers. In a fourth container they placed a banana, but no onion. Which statement best explains why the onion was left out of the fourth container?
[ "The onion would contaminate the fourth trial.", "The container without the onion is the control.", "Three containers with onions are enough to conduct the test.", "The container without the onion is the independent variable." ]
B. The container without the onion is the control.
arc_easy
aquarat_22782
How much 60% of 50 is greater than 40% of 30?
[ "18", "27", "26", "29", "21" ]
A. 18
aquarat
aquarat_4715
A club with a total membership of 25 has formed 3 committees, M, S and R, which have 8, 12 and 5 members respectively. If no members of committee M is on either of the other 2 committees, what is the greatest possible number of members in the club who are on none of the committees?
[ "5", "7", "8", "10", "12" ]
A. 5
aquarat
mmlu_train_84693
Everybody wants to be healthy.You know food is very important.There is much healthy food.You can have more bananas,apples,oranges and tomatoes because fruit and vegetables are good for you.But don't eat too much chocolate.It's not healthy food.Healthy food can make you grow and make you strong and happy.Remember there is a saying,"An apple a day keeps a doctor away."Sports can also keep you healthy.Get up early and do some sports every day.Don't be lazy !You will be healthy and happy. .Which of these following sentences is true? _ .
[ "Everybody is healthy.", "We don't want to be healthy.", "Food is important.", "There isn't much healthy food." ]
C. Food is important.
mmlu_train
aquarat_24970
Two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 16 kmph and 21 kmph respectively. When they meet, it is found that one train has traveled 60 km more than the other one. The distance between the two stations is?
[ "2887", "444", "877", "278", "178" ]
B. 444
aquarat
arc_easy_648
Eye color in human beings is an
[ "instinct.", "acquired trait.", "inherited trait.", "environmentally influenced trait." ]
C. inherited trait.
arc_easy
arc_easy_1482
The iron in iron-rich red soils may not be in a form that can be taken up by tree roots. As a result, leaves and needles may look yellow. Some trees release acids that convert iron in soil to a usable form. This change in soil chemistry is a type of which process?
[ "deposition", "weathering", "precipitation", "photosynthesis" ]
B. weathering
arc_easy
mmlu_train_91588
Are you able to send a letter with pictures and sounds to someone, anywhere in the world without putting a stamp on it? With an e-mail you can just do that. Using computers you can send e-mails quickly and easily. The post is much slower than email. E-mail can send its messages to the other side of the world in seconds. E-mail is easy to use and it saves time and money. The different time and different parts of the world do not matter when you send an e-mail. It does not matter if your friends are in bed when you send an e-mail to them, or you are seeing a film at the cinema when they send an e-mail back. How long does it take to send an e-mail?
[ "Within seconds.", "More than one hour.", "A few days.", "It depends on the distance." ]
A. Within seconds.
mmlu_train
mmlu_train_97461
crops need to be switched on a continual basis why?
[ "the animal habitats", "for more pests", "bees and birds", "more wanted vitamins" ]
D. more wanted vitamins
mmlu_train
arc_easy_1546
What is the smallest structural and functional unit of the nervous system?
[ "brain", "organ", "neuron", "spinal cord" ]
C. neuron
arc_easy
aquarat_29947
What is 120% of 13/24 of 600?
[ "320", "390", "440", "480", "510" ]
B. 390
aquarat
aquarat_35370
Farmer Brown purchased several rabbits (male and female) and bred them on his farm. The rabbit population grew 500% the first year. The population grew 900% the second year. What was the percent, population growth for the two year?
[ "100%", "5,000%", "2000%", "2500%", "500%" ]
B. 5,000%
aquarat
aquarat_24221
A trader sells 85 meters of cloth for Rs. 8925 at the profit of Rs. 20 per metre of cloth. What is the cost price of one metre of cloth?
[ "21", "28", "90", "85", "11" ]
D. 85
aquarat
aquarat_34376
On average, the boys in the class have 12 erasers and the girls have 26 erasers. If the overall class average is 18 erasers, what is the ratio of boys to girls in the class?
[ "2/1", "3/2", "4/3", "5/4", "6/5" ]
C. 4/3
aquarat
aquarat_12323
The population of a town increased from 1,75,000 to 2,80,000 in a decade. The average percent increase of population per year is
[ "4.37%", "5%", "6%", "8.75%", "None" ]
C. 6%
aquarat
mmlu_train_57187
BEIJING - The country's top health officials state that an international charity's decisions not to give millions of dollars to Chinese organizations that fight AIDS and other diseases will not bring about the end of those organizations. The Global Fund to Fight AIDS, Tuberculosis and Malaria announced on Monday that it will withhold $95 million from the $270 million in grants it had planned to give China. That decision came as the result of months of discussion between the charity and Chinese officials. On the mainland, a large number of programs meant to prevent the spread of HIV/AIDS have received money from the Global Fund. Many observers now fear that the announced cut will undermine those organizations' work. Chen Zhu, the minister of health, said officials have found a way to limit the harm. "In the coming five years, the Chinese government will constantly increase its financial support of social organizations, particularly those that work to control and prevent HIV/AIDS." Chen said while addressing the 6th Experience Exchange Conference of International Cooperation Program on HIV/AIDS in China on Monday. In a recent survey of more than 200 organizations taking part in the fight against HIV/AIDS on the mainland, nearly 80 percent of them said they had received grants from the Global Fund. About 83 percent of them said they will find it difficult to continue operating without financial support from abroad, it said. Official statistics showed the Global Fund has given China $548 million in grants since 2003. Xia Jing, leader of a Beijing-based grassroots organization dedicated to controlling AIDS, said: "We were like children fostered by foreign milk. As foreign money began to be withdrawn from China, we were faced with serious financial hardships." Han Mengjie, executive director of Global Fund China Programs, said the Chinese government has fully recognized the important role social organizations play in controlling diseases. "The work done and efforts made by such organizations must be sustained for a long time to supplement the government's intervention work,"he said, "We have to face the truth that international money for AIDS control will gradually leave China and to prepare ourselves to deal with that." What implication can we get from the passage?
[ "Many people are not optimistic about the control of AIDS.", "Chinese government will take an active part in AIDS control.", "International charity are treating China unfairly.", "Most organization related with AIDS control had received money from the Global Fund before this announcement on Monday." ]
B. Chinese government will take an active part in AIDS control.
mmlu_train