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mmlu_train_31566
When Xia Min started drinking alcohol(,) with her classmates at a friend's birthday, she didn't realize what would happen to her. She drank a lot and fell into a coma . The 15year-old girl from Chongqing never recovered. Xia's death is warning to other students. A new rule went into effect on January 1, 2006. Teens are not allowed to buy or drink alcohol. Shops are not allowed to sell it to them. A 1999 Chinese law forbade shops to sell alcohol to youths under 18. But _ is not taken seriously by shopkeepers because it doesn't have specific rules. People hope the new rule will work. "I tasted alcohol when having the dinner of the last New Year's Eve," said Lian Yuqi, a 16-year-old girl in Xiamen. She believes that the new rule will stop teens from drinking and help them grow in a healthy way. "Although it may be a little disappointing not to have beer at parties, I think we can have soft drinks instead," she said. Xia Min died from alcohol at the age of _ .
[ "15", "16", "17", "18" ]
A. 15
mmlu_train
arc_challenge_391
The Moon orbits Earth at a speed of approximately one kilometer per second. The Moon is kept in orbit by which of the following?
[ "gravity", "lunar phases", "magnetism", "ocean tides" ]
A. gravity
arc_challenge
arc_easy_522
A manufacturer wants to produce a container for food storage that does not break easily and is airtight, inexpensive, and microwave-safe. Which of the following is the best material to use to make the container?
[ "glass", "metal", "paper", "plastic" ]
D. plastic
arc_easy
aquarat_5275
The volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?
[ "2:5", "1:5", "3:5", "4:5", "6:5" ]
A. 2:5
aquarat
mmlu_train_77152
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. Eating fruit and vegetables every day can help you _ .
[ "study well", "stay away from doctors", "keep healthy", "feel happy" ]
C. keep healthy
mmlu_train
mmlu_train_68714
The rapid growth of Smartphones and electronic tablets is making the Internet favourite for Americans reading news, a report said. News consumption online increased 17% last year from the year before. Television news, newspapers, radio and magazines all lost audience last year. For the first time, the number of people who get news online at least three times a week is larger than the number of people who get news from the newspapers. TV news has been the most popular since the 1960s. It has replaced the afternoon newspapers. But now the online news seems to be more popular than the TV news. People are used to having the Internet available on phones or small tablets. In December, 2010, 41% of Americans said they got most of their news on the Internet, more than double the 17% who said that a year earlier, the report said. In January, 2011, 7% of Americans owned electronic tablets, nearly double what it was three months earlier. It was the fastest-growing new digital technology, ahead of mobile phones when they were introduced. The online ad income was expected to surpass print newspaper ad income for the first time in 2010. The news business used to be the intermediary . You needed newspapers and TV stations to reach your customers. In this age of the computer, it's the software developers that you need. About _ % of Americans got most of their news on the Internet in 2009.
[ "7", "17", "24", "51" ]
B. 17
mmlu_train
mmlu_train_49752
Monarch Butterflies One of the last West Coast homes of the Monarch butterfly,a type of insect ,may soon disappear.Strangely,it is in a town that calls itself Butterfly U.S.A,Pacific Grove, California. The town of Pacific Grove loves the butterflies.Every year they have a parade and hundreds of children dress up as butterflies.Monarch butterflies are the town _ .Tourism is very important,and many people come to see the butterflies.The butterflies are good for the development of the town. In 1981 there were so many butterflies it looked like it was raining butterflies.Tens of thousands of Monarchs stayed on tree branches near Pacific Grove.Now there are not so many. The building goes on a little bit at a time,and you don't notice it day by day.Over time,you can see that there has been a lot of development.As new buildings go up,many trees are cut down. This reduces the natural homes for the butterflies. Monarchs travel hundreds of miles each year,returning to the same woods,often to the same trees.The female Monarchs need milkweed to lay their eggs;the males will follow the females. Millions of Monarchs have traveled regularly along the same path for thousands of years.They start their trip in the mountains of Mexico and travel to the middle part of America.If the woods where the butterflies live are destroyed,the whole species could be lost.There have been Monarch butterflies along the coast of California for as long as man can remember,but no one is sure how much longer they will last. Why are Monarch butterflies important to Pacific Grove?
[ "They may disappear.", "They come to stay every year.", "They help develop the town's tourism.", "They give a name to Pacific Grove." ]
C. They help develop the town's tourism.
mmlu_train
arc_challenge_972
Which activity is an example of a chemical change?
[ "sugar dissolving in water", "water evaporating in air", "lighting a match", "freezing water" ]
C. lighting a match
arc_challenge
aquarat_30749
The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is:
[ "7 : 3", "7 : 4", "7 : 5", "7 : 65", "7 : 9" ]
A. 7 : 3
aquarat
mmlu_train_87225
This March, the H7N9 virus hit Shanghai, Jiangsu, Anhui, Zhejiang and so on. It seemed that most people who were infected with H7N9 had the common flu, Some people suffered from a fever or a cough.. Don't be afraid ----- it's not easy to be infected with the virus. Here are some suggestions to help you protect yourself when it comes. Wash your hands. You need to wash your hands with soap and hot water before you eat, after you use the toilet, and after you touch animals, because your hands may carry viruses. Cover your nose and mouth.. When someone sneezes or coughs, flu viruses can travel as far as one meter through the air, so you'd better stand a proper distance while talking to someone who has a cold. And always cover your mouth and nose with a piece of paper when you sneeze or cough, and then clean your hands. Wear a mask. Some doctors say that masks can stop the flu as much as 80%, but if you don't wash your hands often, it's no use wearing a mask. And it's necessary to wear the mask in the groups of people. Do sports often. Exercises will help make your body strong enough to the virus. When did the H7N9 virus hit Shanghai?
[ "In March,2013", "In May, 2013", "In March,2014.", "In May, 2014" ]
A. In March,2013
mmlu_train
aquarat_42677
If x = 1 + √2, then what is the value of x4 - 4x3 + 4x2 + 4?
[ "-1", "0", "5", "2", "3" ]
C. 5
aquarat
arc_easy_1729
Which human organ system primarily exchanges gases between the body and the atmosphere?
[ "excretory", "nervous", "skeletal", "respiratory" ]
D. respiratory
arc_easy
mmlu_train_7421
Not a day goes by when we don't use the World Wide Web. Today it has become almost as important to every family as food and water! This year, the World Wide Web has turned 25 years old. What many people don't know is that the web was at first created to improve communication between thousands of scientists in Switzerland. In 1989, Tim Berners-Lee was a 34-year-old British physicist working as a software engineer at CERN, the European Organization for Nuclear Research in Switzerland. Since CERE was a huge organization with thousands of scientists, communication between them was becoming increasingly difficult. Berners-Lee wanted to develop a system to solve the problem. His paper suggested an information system, where a page on one computer could have a link to another page on another computer ( connected through the Internet) allowing scientists to read lots of information quickly. However, Berners-Lee's boss said that it sounded exciting but impossible. Even though there were many difficulties and few supporters, Berners-Lee went on to develop the World Wide Web. He came up with ideas such as Hyper-text Transfer Protocol to allow computers to talk to each other, Hyper-text Markup Language (HTML) to create the pages, a server to serve the pages, and a browser to see them. In December 1990, the World Wide Web was demonstrated and in 1991, the WWW project was made public, so that other programmers could develop their own browsers. Berners-Lee believed that it could be used for more than scientific purposes. He wanted the Internet to be easy for anyone to use-a free open software. His wishes soon came true. Although the World Wide Web has today turned into a completely different thing from what it meant at first, it has become necessary and important to our lives, powering our mobile technologies and the way we get information. As for Berners-Lee's paper, his boss_.
[ "felt puzzled about it", "was uncertain about it", "had no confidence in it", "showed no interest in it" ]
C. had no confidence in it
mmlu_train
arc_easy_372
Which process of the water cycle transports water from plants to clouds?
[ "precipitation", "transpiration", "condensation", "sublimation" ]
B. transpiration
arc_easy
mmlu_train_94243
A line graph is best used when the measured variable is
[ "changing at a constant rate.", "nearly equal in several trials.", "being compared to a control.", "observed at one point in time." ]
A. changing at a constant rate.
mmlu_train
aquarat_5916
A radio station surveyed 190 students to determine the types of music they liked. The survey revealed that 114 liked rock music, 50 liked folk music, and 41 liked classical music, 14 liked rock music and folk music, 15 liked rock music and classical music, 11 liked classical music and folk music. 5 liked all the three types of music.how many liked rock music, folk music but not classical only?
[ "14", "5", "114", "9", "15" ]
D. 9
aquarat
arc_easy_1692
Which event would most likely cause a rapid extinction of organisms?
[ "a large asteroid impact", "regional drought", "new glacier formation", "a decrease in the growth of weeds" ]
A. a large asteroid impact
arc_easy
m1_pref_259
Let $\mathcal{C}$ be a $(n,k)$ Reed-Solomon code on $\mathbb{F}_q$. Let $\mathcal{C}'$ be the $(2n,k)$ code such that each codeword of $\mathcal{C}'$ is a codeword of $\mathcal{C}$ repeated twice, i.e., if $(x_1,\dots,x_n) \in\mathcal{C}$, then $(x_1,\dots,x_n,x_1,\dots,x_n)\in\mathcal{C'}$. What is the minimum distance of $\mathcal{C}'$?
[ "$2n-2k+2$", "$2n-k+1$", "$2n-2k+1$", "$2n-k+2$" ]
A. $2n-2k+2$
m1_pref
mmlu_train_96629
An inherited characteristic from my dad is
[ "the cat", "a building", "moles", "the bike" ]
C. moles
mmlu_train
aquarat_4722
A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
[ "3 days", "4 days", "5 days", "6 days", "None of these" ]
B. 4 days
aquarat
arc_challenge_729
A tree frog with which characteristic is more likely to survive than other tree frogs?
[ "a preference for rare insects", "an unusually high-pitched call", "skin that resembles tree leaves", "a body larger than other tree frogs" ]
C. skin that resembles tree leaves
arc_challenge
mmlu_train_14284
The government of prefix = st1 /Norwayis planning to build an unusual storage center on an island in the Arctic Ocean. The place would be large enough to hold about two million seeds. The goal is to present all crops known to scientists. The British magazine New Scientist published details of the plan last month. The structure will be designed to protect the world's food supply against nuclear war, climate change and other possible threats. It will be built in a mountain on the NorwegianislandofSpitsbergen. The mountain is less than one thousand kilometers from the North Pole, the northernmost position on earth. An international group called the Global Crop Diversity Trust is working on the project. The director of the group, Cary Fowler, spoke to New Scientist. He said the project would let the world rebuild agriculture if, in his word, "the worst came to the worst". Norwayis expected to start work next year. The project is expected to cost three million dollars. Workers will drill deep in the side of a sandstone mountain. Temperatures in the area never rise above 0oC. The seeds will be protected behind concrete walls a meter thick and high-security door. The magazine report says the collection will represent the products of ten thousand years of farming. Most of the seeds at first will come from collections at seed banks in Africa, Asia and Latin America. To last a long time, seeds need to be kept in very low temperatures. Workers will not be present all the time. But they plan to replace the air inside the storage space each winter. Winter temperatures on the island are about eighteen degrees below 0oC. The cold weather would protect the seeds even if the air could not be replaced. Mr. Fowler says the proposed structure will be the world's most secure gene bank. He says the plant seeds would only be used when all other seeds are gone for some reason. Norwayfirst proposed the idea in the 1980s. But security concerns delayed the plan. At that time, the Soviet Union was meeting inRomeof the Food and Agriculture Organization. Which of the following statements is TRUE according to the above passage?
[ "The government of Norwaywill perform the project alone.", "Seeds to be collected there were produced ten thousands years ago.", "Spitsbergen is chosen because it is free of the threat unclear war forever.", "Temperature is a major consideration when choosing the storage place." ]
D. Temperature is a major consideration when choosing the storage place.
mmlu_train
mmlu_train_41314
There is a poster below. Read it carefully. VISIT SWANSEA ZOO! Come and see the African elephants and the new tigers from India. The Arctic bears are waiting to meet you, and the monkeys from Zaire are waiting to throw things at you. The hyenas (a _ animal, like a wolf, with a howl that sounds like wild laughter) from Tanzania are waiting to laugh at you, and the giraffes from Zambia are waiting to look down on you. Tickets Adult: $1.20 Children: Over 12: 80 cent Under 12 : Free Opening Time: 9: 00a. m. ~4: 00p. m. Except Fridays: 10: 00a. m. ~3: 00p. m. KEEP THE ZOO CLEAN! DO NOT FEED,TOUCH OR GO NEAR THE ANIMALS! A giraffe must be a kind of animal which is _ .
[ "fat", "small", "strong", "tall" ]
D. tall
mmlu_train
aquarat_38833
Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:
[ "10", "15", "18", "36", "72" ]
D. 36
aquarat
mmlu_train_85734
Kelly Christopher, a student at Lutheran High School in California, US, loves oranges. One day last week, she used a pole to pick oranges off trees and collect them in baskets. It's the first time in her 15 years she's picked fruit from trees. "This is quite different from buying oranges in the supermarket," said Christopher. "Every time I eat an orange, I'll remember this experience." Christopher was one of the 30 student volunteers at Soil Born Farms. She volunteered as part of a project which was set up in 2009 to help homeowners in South Land Park pick oranges and other fruits out of their backyards. Before, the fruit would rot on the ground or get eaten by animals. Now the fruit is donated to those who need it. "It is good for many people", said Randy Stannard, who works for the project. "The homeowner gets fruit picked and more people can have healthy food." "Two harvests ( ) were organized in 2009 and volunteers picked 3,000 pounds (1,360kg) of fruit", Stannard said. In 2010, the number was 20,000. This year, Soil Born Farms hopes to get 40,000 pounds. They will harvest every weekend from January to April. Shannon Galloway, Christopher's science teacher, brought her students into the project this year. "You're making use of a _ that might be wasted," she said. "I think it's meaningful to everyone." Donato Frazier, 15, always climbs up a ladder and gets on the top of the tree. "Standing on the treetop is pretty cool," Frazier said. "I can see clearly that many baskets are filled up, and even see that many people are eating healthy fruit because of our volunteer work." Christopher and other students went to pick fruits from real trees because they wanted to _ .
[ "have some fresh fruit for themselves", "make some money by selling fruit", "provide people with more healthy fruit", "buy some cheap fruit from their neighbors" ]
C. provide people with more healthy fruit
mmlu_train
mmlu_train_21210
Are you sometimes a little tired and sleepy in the early afternoon? Many people feel this way after lunch.They may think eating lunch is the cause of the sleepiness.Or,in summer, they may think it is the heat.However, the real reason lies inside their bodies.At that time--about eight hours after you wake up--your body temperature goes down.This is what makes you slow down and feel sleepy.Scientists have tested sleep habits in experiments where there was no night or day.The people in these experiments almost always followed a similar sleeping pattern. They slept for one long period and then for one short period about eight hours later. In many parts of the world,people take naps in the middle of the day.This is especially true in warmer climate ,where the heat makes work difficult in the early afternoon.Researchers are now saying that naps are good for everyone in any climate.A daily nap gives one a more rested body and mind and therefore is good for health in general.In countries where naps are traditional,people often suffer less from problem such as heart disease. Many working people,unfortunately, have no time to take naps.Though doctors may advise taking naps,employers do not allow it! If you do have the chance,however,here are a few tips about making the most of your nap.Remember that the best time to take a nap is about eight hours after you get up.A short sleep too late in the day may only make you feel more tired and sleepy afterward.This can also happen if you sleep for too long.If you do not have enough time,try a short nap--even ten minutes of sleep can help you. If you get up at 6:30 a.m,what is the best time for you to take a nap?
[ "About 12:30 p.m.", "About 1:30 p.m.", "About 2:30 p.m.", "About 3:30 p.m." ]
C. About 2:30 p.m.
mmlu_train
mmlu_train_37519
Have you ever felt annoyed when left talking to yourself after your mobile phone battery runs out in the middle of a call? If yes, then here comes some good news. Scientists are now perfecting a way to recharge electrical equipment while on the move. Researchers from theprefix = st1 /Netherlands,FranceandPortugalannounced last week that they have developed very thin solar panels that can be put on clothes. They can also be added to furniture and rooftops. They change light from the sun into electricity. In about three years, you'll be able to wear a jacket that will recharge your phone as you walk. For camping fans, the development could lead to a tent which charges batteries all day so you can have light or music at night. The basic technology of wearable solar panels is the same as that used for traditional solar panels. Pairs of sheets of semi-conducting silicon are linked together to form the panel. But scientists made them much thinner by using different silicon. At one micrometre, they are of the same thickness as photographic film. "This technology will make it easier for people to use clean energy sources," said a physicist in theNetherlandswho led the team of scientists. But the thin panels are not as efficient as the thicker ones. While some solar panels now operate at an efficiency of about 20 per cent, the new flexible panels are only 7 per cent efficient. But the thinner panel is cheaper. An A4 sized panel put onto the back of a jacket cost less than US$13. It could charge a cellphone during a summer walk in the countryside. As long as you stay within range of the transmitting masts that relay a call to the networks, phones will never again run out of power. The thin panel has the following advantages EXCEPT that _ .
[ "it is flexible", "it is more efficient", "it is cheaper", "it uses clean energy" ]
B. it is more efficient
mmlu_train
mmlu_train_4865
Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?
[ "ball with a mass of 5 kg", "ball with a mass of 10 kg", "ball with a mass of 15 kg", "ball with a mass of 20 kg" ]
D. ball with a mass of 20 kg
mmlu_train
aquarat_22445
Dana borrows 6000 pounds annually for her college education. If Dana gives her parents 2% of that amount back each month, how much will she still owe her parents after three years of college?
[ "13680", "13885", "14005", "14280", "14680" ]
A. 13680
aquarat
aquarat_50359
If three eighth of a number is 141. What will be the approximately value of 32.08% of this number?
[ "119", "187", "181", "120", "891" ]
D. 120
aquarat
arc_easy_1636
A chemist observed bubbling and fizzing after adding an acid solution to a white powdery substance in a beaker. Which of the following can be inferred?
[ "The acid boiled when poured into the beaker.", "The acid and powder formed a new product.", "A physical reaction produced a gas mixture.", "A reaction occurred that produced heat." ]
B. The acid and powder formed a new product.
arc_easy
aquarat_19012
My son adores chocolates. He likes biscuits. But he hates apples. I told him that he can buy as many chocolates he wishes. But then he must have biscuits twice the number of chocolates and should have apples more than biscuits and chocolates together. Each chocolate cost Re 1. The cost of apple is twice the chocolate and four biscuits are worth one apple. Then which of the following can be the amount that I spent on that evening on my son if number of chocolates, biscuits and apples brought were all integers?
[ "Rs 34", "Rs 33", "Rs 8", "None of the above", "Cannot be determined" ]
A. Rs 34
aquarat
aquarat_11684
If the sum of two positive integers is 18 and the difference of their squares is 36, what is the product of the two integers?
[ "108", "80", "128", "135", "143" ]
B. 80
aquarat
arc_easy_429
A layer of solid brittle rock comprises the outer 100 kilometers of Earth. This layer, which contains both the crust and the upper mantle, is called the
[ "core.", "sediment.", "lithosphere.", "hemisphere." ]
C. lithosphere.
arc_easy
aquarat_24708
Last year vivek saved 10% of his annual earnings, this year he earned 5% more than last year and he saved 12% of his annual earnings. The amount saved this year was what percentage of the amount saved last year?
[ "124%", "126%", "128%", "122%", "1005" ]
B. 126%
aquarat
mmlu_train_29163
Healthy food is a general term applied to all kinds of food that is considered healthier than the types of food sold in supermarkets. For example, whole grains, dried beans, and corn oil are health food. A narrower classification of healthy food is natural food. This term is used to distinguish between types of the same food. Raw honey is a natural sweetener, while refined sugar is not. Fresh fruit is a natural food, but canned fruit, with sugars and other additives is not. The most exact term of all and the narrowest classification within health food that has been grown on a particular kind of farm. Fruits and vegetable that are grown in gardens, that are treated only with organic fertilizers, that are not sprayed with poisonous insecticides , and that are not refined after harvest, are organic food. Meat, fish, dairy and poultry products from animals that are fed only on organically-grown food and that are not injected with hormones are organic food. In choosing the type of food you eat, then, you have basically two choices: inorganic, processed food, or organic, unprocessed food. A wise decision should include study of the reason why processed food contains chemicals, some of which are proved to be poisonous and that vitamin content is greatly reduced in processed food. Bread is typically used by healthy food supporters as an example of a processed food. First, the seeds from which the grain is grown are treated with a chemical that is extremely harmful. Later, the grain is sprayed with a number of very deadly insecticides. After the grain has been made into flour, it is made white with another chemical that is also poisonous. Next, a dough conditioner is added along with a softener. The conditioner and softener are poisonous, and in fact, the softener has sickened and killed experimental animals. A very poisonous antifungal compound, is added to keep the bread from getting moldy . Other food from the supermarket would show a similar pattern of processing and preserving . You see, we buy our food on the basis of smell, color1 and texture, instead of vitamin content, and manufacturers give us what we want, even if it is poisonous. The alternative? Eat health foods, preferably the organic variety. What do all of the additives in bread have in common?
[ "They are all useless", "They are all poisonous.", "They are all organic.", "They can kill animals." ]
B. They are all poisonous.
mmlu_train
aquarat_20526
Village X has a population of 68000, which is decreasing at the rate of 1200 per year. Village Y has a population of 42000, which is increasing at the rate of 800 per year .in how many years will the population of the two villages be equal?
[ "13", "15", "16", "12", "11" ]
A. 13
aquarat
mmlu_train_60948
Researchers in the US say they might have discovered how to fight against and even _ some processes of ageing, at least in mice. Injecting the blood of young mice into the older ones improved their brainpower, a study found. Scientists at Stanford University plan to carry out trials in people in the hope that new treatments for dementia can be developed. "There are factors present in blood from young mice that can recharge an old mouse's brain so that it functions more like a younger one,"says Dr. Tony from Stanford University School of medicine. In the study published in Nature Medicine, mice aged 18 months were given injections of the blood taken from mice aged 3 months. The injected mice performed better on memory tests than mice of the same age that had not been given the blood. Dr. Tony said it was not known whether the same was true of humans, but a trial was planned. A research center in UK said the treatment restored certain aspects of learning and memory in mice, but was of unknown importance to humans. The research, while very interesting, did not test the type of brain damage that was seen in dementia, which is not a necessary consequence of ageing. Meanwhile, two similar studies by a separate team have thrown more light on how young blood may benefit the old, in mice at least. A substance in the blood of mice previously shown to have an anti-ageing effect on heart muscle also improved brain cells, according to a Harvard team. The research, published in Science, found the blood factors encouraged the growth of brain cells in old mice, and restored their sense of smell. The same chemical also improved muscle power of aged mice, the researchers found. What's the author's attitude to the anti-ageing studies?
[ "supportive", "objective", "negative", "doubtful" ]
B. objective
mmlu_train
aquarat_25986
Ratio of the earnings of A and B is 4:7. If the earnings of A increases by 50% and those of B decreased by 25%, the new ratio of their earnings becomes 8:7. What are A's earnings?
[ "8:5", "8:8", "8:3", "8:7", "8:1" ]
D. 8:7
aquarat
aquarat_47519
Which of the following is closer to (9!+8!)-(9!-8!)?
[ "80460", "80640", "80540", "80440", "80740" ]
B. 80640
aquarat
mmlu_train_92762
Scientists study the current conditions of many solar system objects to gain insight into conditions early in the history of Earth. Which phenomenon most closely models current theories of early Earth?
[ "liquid forming valleys on Mars", "hundreds of active volcanoes on Io", "rock and ice forming the core of Neptune", "ice covering the entire surface of Europa" ]
B. hundreds of active volcanoes on Io
mmlu_train
mmlu_train_45283
Good nutrition and a balanced diet will help your children grow up healthily .No matter how old your kids are , you can take steps to improve nutrition and to encourage smart eating habits .Here are some suggestions. Family Meals Family meals are comforting for both parents and kids. Children like to guess what they are going to have and parents get the chance to introduce new food to children and to find out which food they like and which ones they don't. Teens may turn up their noses at your plan of a family meal. It is not surprising because they're trying to establish independence. Yet studies find that teens still want their parents' advice, so use the mealtime as a chance to reconnect. Stocking up on healthy food Kids, especially younger ones, will eat mostly what they can get at home. That's why it's important to control the supply lines -- the food which you serve for meals and have on hand for snacks. You should have enough fruits, vegetables, lean meat and other good sources of protein, such as eggs and nuts, and healthy snacks, such as yogurt, peanut butter and whole-grain biscuits. Being a good example The best way for you to encourage healthy eating is to eat well yourself. Kids will follow the lead of the adults they see every day. By eating fruits and vegetables and avoiding fast food and sugary drinks, you'll be sending the right message. No conflicts over food Parents might find themselves shouting at children to get them to have healthy food in front of them. This in fact can make children dislike what they are aske d to eat. Get kids included Most kids will enjoy making the decision about what to make for dinner. Talk to them about making choices and planning a balanced meal. It can help them make good decisions on their own about the food they want to eat. What does the phrase "on hand" mean?
[ "Being dealt with.", "Out of one's reach.", "Made by persons instead of machines.", "Close by and ready when needed." ]
D. Close by and ready when needed.
mmlu_train
mmlu_train_44018
Technology: Taking the good without the bad? Very soon, unimaginably powerful technologies will remake our lives.This could have dangerous consequences, especially because we may not even understand the basic science underlyi ng them.There's a growing gap between our technological capability and our basic scientific understanding.We can do very clever things with the technology of the future without necessarily understanding some of the science underneath, and that is very dangerous. The technologies that are particularly dangerous over the next hundred years are nanotechnology , artificial intelligence and biotechnology.The benefits that they will bring are beyond doubt.But they are going to be very, very dangerous.I'm working in the field of artificial intelligence.I have a model design for something that might be 50,000 million times smarter than the human brain.Target date is 2010.The only thing that's not possible in the film Terminator is that the people win.If you're fighting against technology w hich is 50,000 million times smarter than you, you probably will not win. Nanotechnology.We've all heard of the grey glue problem, that self-replicating nanotech devices might keep on copying until the world has become sticky glue.And certainly in biotechnology, we've really got a big problem because it's converging with nanotechnology and IT.Once you start mixing nanotech with organisms and you start feeding nanotech-enabled bacteria, we can really go an awful lot further than the Borg in Star Trek .And those superhuman organisms might not like us very much. Eventually these technologies will become routine.That's a threat to humanity.I don't think it's possible to slow it down.So what we need to do is accelerate the scientific research and try to get some extra tools.The problems facing us in the future are getting bigger and bigger.I think if we don't get some proper science done, the future is hopeless indeed. From the text, we know that the author's greatest concern is _ .
[ "our lack of technological understanding of the process involved", "our lack of technological capability", "creating technology without really understanding the basic science", "Our refusal to face the consequences of the technology we create" ]
C. creating technology without really understanding the basic science
mmlu_train
aquarat_33353
In 1995, there are 28 days in February and there are 365 days in the year. In 1996, there are 29 days in February and there are 366 days in the year. If the date March 15, 1995 is a Monday, then which one of the following would the date March 15, 1996 be?
[ "Monday", "Tuesday", "Friday", "Wednesday", "Friday" ]
D. Wednesday
aquarat
mmlu_train_60907
How do you feel after you've stayed up late to finish schoolwork? Or the day after a slumber party? Scientists now say that your answers to these questions may depend on your genes. Genes are stretches of DNA that work like an instruction manual for our cells. Genes tell our bodies and brains what to do. People have about 40,000 genes, and each gene can have different forms. So, for example, certain forms of some genes make your eyes blue. Other versions of those genes make your eyes brown. In a similar way, new research suggests that a gene calledperiod3affects how well you function without sleep. The discovery adds to older evidence thatperiod3helps determine whether you like to stay up late or get up early. Theperiod3gene comes in two forms: short and long. Everyone has two copies of the gene. So, you may have two longs, two shorts, or one of each. Your particular combination depends on what your parents passed on to you. Scientists from the University of Surrey in England studied 24 people who had either two short or two long copies ofperiod3. Study participants had to stay awake for 40 hours straight. Then, they took tests that measured how quickly they pushed a button when numbers flashed on a screen and how well they could remember lists of numbers. Results showed that the people with the short form ofperiod3performed much better on these tests than the people with the long form did. In both groups, people performed worst in the early morning. That's the time when truck drivers and other night-shift workers say they have the most trouble concentrating. After the first round of experiments, participants were finally allowed to sleep. People in the group that performed well on the tests took about 18 minutes to nod off. People with the longperiod3gene, by contrast, fell asleep in just 8 minutes. They also spent more time in deep sleep. That suggests that people with the long form of the gene need more and deeper sleep to keep their brains working at top form. What's the best title of the passage?
[ "The Period3 Gene", "The Function of Genes", "Wake up, Sleepy Gene", "Stay up Late or Get up Early?" ]
C. Wake up, Sleepy Gene
mmlu_train
mmlu_train_82725
It seems to be strange that there is a blind spot in the eye. Here is an interesting experiment that can make something _ when one eye is open. Make a card about the size of a postcard and write two English letters "L" and "R" on it. "L" is on the left and "R" on the right. First, hold the card about 80 cm away and you can see both the letters. Then close your right eye and look at the letter "R" only with your left eye. And now, as you move the card slowly towards you, you'll find the letter "L" disappearing. But if you move the card nearer to your face, the letter will be seen again. Now do the same experiment with your left eye closed; you'll find the letter "R" disappearing. Why do the letters disappear? It is because there is a blind spot in the eye. When the image of the letter falls on the blind spot, it won't be seen. That's why one of the letters disappears. The writer of the passage thinks that _ there is a blind spot in the eye.
[ "few people know", "no one knows", "most people know", "all the people know" ]
A. few people know
mmlu_train
arc_easy_2008
If you wanted to be able to look at the stars, the planets, and the Moon more closely, what should you use?
[ "Telescope", "Periscope", "Microscope", "Magnifying glass" ]
A. Telescope
arc_easy
mmlu_train_97869
Animals are unable reproduce if they are dead or cannot find a mate, so it is in their best interest to avoid animals that want to
[ "laugh", "sing to them", "murder them", "kiss them" ]
C. murder them
mmlu_train
arc_easy_1927
Paper chromatography is a process used to separate mixtures of substances into their components. The components are carried by a mobile phase through a stationary phase made of absorbent paper. An investigation analyzed a sample of black ink to determine its components.Which property allows the components to separate?
[ "the solubility of the components in the mobile phase", "the evaporation rate of the components at a certain temperature", "the magnetic property of the components", "the thickness of the paper used as the stationary phase" ]
A. the solubility of the components in the mobile phase
arc_easy
arc_easy_180
Green plants get the energy they need to make food from
[ "air", "sunlight", "water", "soil" ]
B. sunlight
arc_easy
aquarat_24136
In a library, there are certain number of books on a shelf, ranging between 75 and 100. 1/6th of them are fiction and 12.5% of them are non-fiction. Find the number of books.
[ "68", "72", "96", "Can't be determined", "None of these" ]
C. 96
aquarat
mmlu_train_17766
"Iris scan , please," the bank's computer voice tells you. You step up and the computer reads your eye, comparing it to the stored file it has of your iris. The images had better match---otherwise, you won't be able to get your money. Iris scanning and other technologies, such as fingerprint and voice scanning, have appeared in many science fiction movies in the past. Today, these advanced technologies are part of the real world. They are common at work, the bank, the airport, and your local prison. The iris scan, fingerprint scan, and voice scan are all examples of biometrics , a fast developing area of automatic personal identification technology. Basically, biometrics uses various ways to verify a person's identity, based on the individual's unique characteristics, including fingerprints, signature, and so on. Biometrics identification systems have a number of advantages over password systems. The primary advantage is that an individual has to be physically present in order to be identified. Another important advantage is that there are no passwords to remember, forget, lose, or steal. The voice scan is the simplest and most affordable form of biometrics. It only requires a computer, a microphone, and the correct software. The software records a subject's voice and then compares it to a stored voice sample for identification purpose. For additional safety, fingerprint and handprint scans can also be employed. Fingerprint scans take the image of a fingerprint and compare it to a stored file of prints. Handprint scans identify the unique features of a hand. Which is the most accurate form of biometrics?
[ "The voice scan", "The fingerprint scan", "The iris scan", "The facial scan" ]
C. The iris scan
mmlu_train
mmlu_train_5280
Any diet on which you eat fewer calories than you need to get through the day -- like an 800-calorie-per-day diet can be dangerous. Diets that don't allow any fat also can be bad for you. Everyone needs a certain amount of fat in their diet -- up to 30% of total calories -- so no one should eat a completely fat-free diet. Don't have diets that restrict certain food groups, either. A diet that requires you to say no to bread or pasta or allows you to eat only fruit is unhealthy. You won't get the vitamins and minerals you need. And although you may lose weight, you'll probably gain it back as soon as you start eating normally again. Some people start dieting because they think all the problems in their lives are because of weight. Others have an area of their lives that they can't control, like an alcoholic parent, so they focus on something they can control -- their exercise and food intake. People who diet may get lots of praise from friends and family when they start losing pounds, which makes them feel good. But eventually a person reaches a weight level -- and doesn't lose as much weight as before because the body is trying to keep a healthy weight, so they aren't any happier. Some people may find it hard to control their eating, so they stick with _ for a little while, but then eat tons of food. Feeling guilty about the binge, they use laxatives . Eating too little to maintain a healthy weight or eating only to throw up the calories are both eating disorders, which are harmful to a person's health. Which of the following statements is true?
[ "A person needs about 800 calories each day.", "A person who doesn't eat bread is unhealthy.", "An improper diet may cause eating disorder.", "Fat takes up the most part of calories inside body." ]
C. An improper diet may cause eating disorder.
mmlu_train
mmlu_train_93255
All stars start forming in the same manner. Some follow the life cycle of the Sun, while others turn into neutron stars or black holes. Which property determines the fate of a star as it develops?
[ "mass", "location", "luminosity", "temperature" ]
A. mass
mmlu_train
aquarat_15983
On the planet Oz, there are 8 days in a week- sunday to saturday and another day called Oz day.There are 36 hours in a day and each hours has 90 minutes while each minute has 60 seconds.As on the earth, the hour hand covers the dial twice everyday. Find the approximate angle between the hands of a clock on Oz when the time is 12:40am.
[ "> 111 degrees", "> 251 degrees", "> 71 degrees", "> 89 degrees", "> 99 degrees" ]
D. > 89 degrees
aquarat
mmlu_train_96819
A pollinating entity is one that move pollen from flower to flower and can be done by?
[ "a tiger", "good for food", "six legged entity", "a heat source" ]
C. six legged entity
mmlu_train
mmlu_train_76504
Many children think mobile phones are cool. They come in fun colors and let you talk with friends anytime and anywhere. In the U.S., more than 90 million people use mobile phones. Many of these people are children. For children, mobile phones are more than phone calls. They are fashionable. Most mobile phone users don't think about the health problems caused by mobile phones. Some scientists say that mobile phones give off radiation that might be bad for the users. One newest study shows that mobile phone radiation might raise a person's chance of getting some kinds of cancer . Other scientists say mobile phones don't' threaten people's health. They say that they have not found any link between phone use and cancer. Scientists say that people can protect themselves from mobile phone radiation. One way is to use a headset . Or people can make shorter call. Many of the mobile phone users in the U.S. are _ .
[ "girls", "boys", "scientists", "children" ]
D. children
mmlu_train
mmlu_train_94663
In the past, Native American Indians buried dead fish along with corn seeds. This technique was used because the decomposing dead fish would
[ "provide nutrients for the growing corn plant", "eliminate the need for weeding around the corn plant", "release oxygen for use by the corn plant", "supply all the water needed by the corn plant" ]
A. provide nutrients for the growing corn plant
mmlu_train
mmlu_train_26685
It's not quite a rat. Nor is it a squirrel, or a mouse. It's definitely a rodent , and it's also a brand-new family of mammals. The locals of the Southeast Asian country of Laos call the creature a kha-nyou (ga-nyou). The kha-nyou have long body hair, short legs, and a hairy tail less thick than a squirrel's. They're vegetarians living in the rocky hills of Laos, and they come out at night, but for more information, you'll have to ask the Lao people. "It was for sale on a table next to some vegetables. I knew immediately it was something I had never seen before," said Robert Timmins, a researcher for the Wildlife Conservation Society. Timmins was working in Laos to stop people from selling endangered animals when he spotted the species. Criminals who trade illegal wildlife can make a lot of money, but they also push the animals closer to disappearing from the planet. The kha-nyou live in karsts, or rough rock. Mark Robinson, a scientist with the World Wildlife Foundation, set out with Lao villagers to find a few more of the rodents for study. They climbed onto a karst, trapped with rice, and caught several. "To find something so unusual in this day and age is just extraordinary," said Timmins. "For all we know, this could be the last remaining animal family left to be discovered." It's a big deal to discover an entirely new family of animals. Humans, for instance, belong to the same family as great apes, chimpanzees, and gorillas. So even though kha-nyous look like rats, they're really very different. The last time scientists discovered a new family of mammals may have been in the 1970s, when they found new bats in Thailand. Timmins seems to have the gift for finding new animals in Laos--he discovered a new species of rabbit there in 1999. Scientists call the kha-nyou Laonastes aenigmamus, which means "mysterious mouse that lives among the stones."But if that's too hard, Timmins and Robinson suggest you call them "rock rats". It implies in the passage that _ .
[ "finding a new animal family in Southeast Asia is easy", "finding a new animal family in modern time is extremely rare", "in Southeast Asia new species of animals are often discovered", "animals that look like the same are of the same family" ]
B. finding a new animal family in modern time is extremely rare
mmlu_train
aquarat_5163
The parameter of a square is equal to the perimeter of a rectangle of length 16 cm and breadth 14 cm. Find the circumference of a semicircle whose diameter is equal to the side of the square. (Round off your answer to two decimal places)
[ "23.57", "23.54", "23.50", "23.55", "23.51" ]
A. 23.57
aquarat
aquarat_41207
For the past n days, the average (arithmetic mean) daily production at a company was 60 units. If today's production of 90 units raises the average to 62 units per day, what is the value of n ?
[ "30", "14", "10", "9", "7" ]
B. 14
aquarat
mmlu_train_4557
How many times does Earth rotate on its axis in one day?
[ "once", "twice", "24 times", "365 times" ]
A. once
mmlu_train
m1_pref_74
Which of the following properties is part of the RDF Schema Language?
[ "Description", "Type", "Predicate", "Domain" ]
D. Domain
m1_pref
aquarat_13183
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
[ "7", "9", "21", "3", "None" ]
A. 7
aquarat
mmlu_train_98380
If a person looks at the night sky in February and then again in June, the stars will be
[ "unchanged", "gone", "unmoved", "differently placed" ]
D. differently placed
mmlu_train
arc_easy_1376
A large cold front is moving past the school on a hot, humid summer day. Which best describes the type of weather as the cold front passes by?
[ "A drought", "A monsoon", "A hurricane", "A thunderstorm" ]
D. A thunderstorm
arc_easy
mmlu_train_89365
Here are some of the fastest animals in the animal world. Let me tell you that a man can run 20 to 25 miles an hour. Heavy people can not run very fast. But some heavy animals can.Black rhinos are more than 3,500 pounds. They can run almost 30 miles an hour. Cheetahs are the fastest land animal over short distances .They can run over 70 miles an hour. But they get tired quickly and usually stop after a few minutes.Pronghorn antelopes are the fastest animals over long distances. They can run 35 miles an hour for many miles. Their top speed is more than 50 miles an hour.Ostriches can't fly, but they can run faster than other birds. They can run 43 miles an hour for a short distance. And can keep up a speed of more than 30 miles an hour over long distances. Ostriches can run more than _ miles an hour over long distances.
[ "50", "43", "35", "30" ]
D. 30
mmlu_train
arc_easy_901
Which of the following has the greatest effect on the ability of soil to hold water?
[ "the age of the soil particles", "the size of the soil particles", "the color of the soil particles", "the luster of the soil particles" ]
B. the size of the soil particles
arc_easy
aquarat_32049
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x ?
[ "9", "7", "6", "1", "5" ]
B. 7
aquarat
aquarat_47960
Average of five numbers is -10, and the sum of three of the numbers is 16, wat is the average of the other 2 numbers?
[ "-33", "34", "-34", "35", "33" ]
A. -33
aquarat
aquarat_52749
There are 4 periods in each working day of a school. In how many ways can one organize 3 subjects such that each subject is allowed at least one period?
[ "32", "36", "24", "34", "None of these" ]
B. 36
aquarat
aquarat_9104
21 people are there, they are shaking hands together, how many hand shakes possible,if they are in pair of cyclic sequence.
[ "19", "20", "21", "22", "23" ]
C. 21
aquarat
aquarat_52439
In a group of 100 people,60 like volleyball,50 like hockey. How many like both volleyball and hockey?
[ "20", "15", "10", "5", "25" ]
C. 10
aquarat
mmlu_train_94270
When can producers make the most food?
[ "summer, because there is more sunlight", "summer, because there is more heat", "spring, because there is more rain", "spring, because there are more leaves" ]
A. summer, because there is more sunlight
mmlu_train
arc_challenge_964
As an airplane climbs in the sky, the pilot notices ice crystals forming on the windshield. This happens because
[ "blizzards occur more often at higher altitudes.", "friction with the atmosphere causes ice to develop.", "water evaporates faster at higher altitudes, resulting in ice crystals.", "moisture on the outside of the plane freezes due to colder air at higher altitudes." ]
D. moisture on the outside of the plane freezes due to colder air at higher altitudes.
arc_challenge
aquarat_33495
A train of length 250 metres takes 45 seconds to cross a tunnel of length 350metres. What is the speed of the train in km/hr?
[ "10 km/hr.", "240 km/hr.", "30 km/hr.", "24 km/hr.", "None" ]
D. 24 km/hr.
aquarat
mmlu_train_67694
A plant makes its own food in its leaves .Water comes to the leaves through the roots . Air gets into the leaves through very small holes . The green coloring in the leaves uses the water and air to make the food for the plant . It also needs sunshine because a plant can make food only when the sun is shining. Animals and people could not live without green plants . They both eat plants .People and some animals also eat the meat of some animals and these animals eat plants. What does the green coloring use to make the food for a plant?
[ "Sunshine ,water ,air and the roots", "Air ,sunshine and water", "Water ,air and meat", "Water ,sunshine and animals" ]
B. Air ,sunshine and water
mmlu_train
mmlu_train_94187
Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?
[ "helium", "nitrogen", "oxygen", "uranium" ]
A. helium
mmlu_train
mmlu_train_57342
Many scientists today are convinced that life exists elsewhere in the universe---life probably much like that on our own planet. They reason in the following way. As far as astronomers can determine, the entire universe is built of the same matter. They have no reason to doubt that matter obeys the same laws in every part of the universe. Therefore, it is reasonable to guess that other stars, with their own planets, were born in the same way as our own solar system. What we know of life on earth suggests that life will arise wherever the proper conditions exist. Life requires the right amount and kind of atmosphere. This eliminates all those planets in the universe that are not about the same size and weight as the earth. A smaller planet would lose its atmosphere; a larger one would hold too much of it. Life also requires a steady supply of heat and light. This eliminates double stars, or stars that flare up suddenly. Only single stars that are steady sources of heat and light like our sun would qualify. Finally, life could evolve only if the planet is just the right distance from its sun. With a weaker sun than our own, the planet would have to be closer to it. With a stronger sun, it would have to be farther away. If we suppose that every star in the universe has a family of planets, then how many planets might support life? First, eliminate those stars that are not like our sun. Next eliminate most of their planets; they are either too far from or too close to their suns. Then eliminate all those planets which are not the same size and weight as the earth. Finally, remember that the proper conditions do not necessarily mean that life actually does exist on a planet. It may not have begun yet, or it may have already died out. This process of elimination seems to leave very few planets on which earthlike life might be found. However, even if life could exist on only one planet in a million, there are so many billions of planets that this would still leave a vast number on which life could exist. Which of the following statements is INCORRECT?
[ "The planet must be as big and heavy as the earth.", "Proper conditions are essential to the existence of life.", "Double stars can provide steady light and heat.", "The distance between a planet and its sun should be right." ]
C. Double stars can provide steady light and heat.
mmlu_train
mmlu_train_99181
A thing which makes shifts to different forms may be gaining the ability to do so due to
[ "ear changes", "understanding chemistry", "temperature changes", "growing teeth" ]
C. temperature changes
mmlu_train
mmlu_train_46330
Google is preparing for changes in its privacy policy beginning March 1st. The company says it plans to replace more than 60 separate policies for different products with one main policy. Privacy activists criticized last month's announcement. They are concerned that the new policy will make it easier to track the activities of users across Google's many products -- from Gmail to YouTube. Marc Rotenberg heads the Electronic Privacy Information Center in Washington. He says Google's aim is to create a single unified profile of its users. "We believe that not only is that a threat to privacy, we actually believe it is illegal, because last year Google entered into an agreement with the US Federal Trade Commission in which they said they would not engage in that kind of data sharing without the permission of their users." Google says its new policy will make it simpler for users to share information across services like Google Search, Gmail and Google Calendar. And it says the new policy will help personalize each user's experience. Over time, it says, users can expect to see better search results, fewer unwanted advertisements and more content targeted to their interests. But Marc Rotenberg says in return, people who choose to use Google will lose control over the information they share. "The type of information you might provide for an e-mail service, for example, such as your address book, which contains private information, is different from the type of information that you might provide for a social network service where people purposely make information publicly available to their friends." Mr. Rotenberg says these two kinds of services should be kept separate. "By trying to combine these two services, in our view, Google is actually undermining a very well established expectation of privacy, especially for popular Internet services like electronic mail." Critics also see a bigger problem with Google's new policy. The plan would not give users a choice to drop out of the data sharing. "In our view, if people want to make their potential information available, they certainly should have the right to do that. What we are objecting to is the effort by the company to take away from the users that choice that they should have. That just seems unfair." Google says it will not be collecting any more data than it does now. And it says users will still be able to control many privacy settings. For example, they can disable their search history and set Gmail chat to "off the record." European Union officials have asked the company to delay the new policy to make sure it would not violate any EU data protection laws. Marc Rotenberg thinks the Federal Trade Commission in Washington might also try to block the new policy. What is Marc Rotenberg's attitude towards Google's new policy?
[ "Positive", "Critical", "Indifferent", "Interested" ]
B. Critical
mmlu_train
aquarat_18279
A motorcyclist goes from Bombay to Pune, a distance of 192 kms at an average of 32 kmph speed. Another man starts from Bombay by car 2 ½ hours after the first, and reaches Pune ½ hour earlier. What is the ratio of the speed of the motorcycle and the car?
[ "3:5", "4:5", "2:5", "2:4", "2:7" ]
C. 2:5
aquarat
mmlu_train_67688
EVERYONE is talking about bird flu . Yes it is a very dangerous disease that could make people very sick. It will be a few months before we have good medicine for bird flu.But that doesn't mean you can't do anything to prevent it now. So far, all the people who have caught bird flu have been those who touched sick chickens or their droppings . So it is a good idea for people to stay away from live chickens. "People used to go to the markets to buy live chickens to eat, but now they have to change that habit," said Peter, an expert from World Health Organization. But if you do touch a sick bird, remember to wash your hands carefully with soap right away. Experts also say having good habits and a healthy body will help keep you safe from bird flu. For example, don't buy or eat birds that have not been checked. Don't eat anything that has touched raw meat. Also don't forget to open your windows often and exercise regularly. Getting enough sleep is also very important for fighting illness .If you feel sick, see a doctor right away.At present, no one in Shanghai has bird flu. But WHO says children under 12 years old could easily get sick with bird flu. Try to stay away from people who have the flu, and always cover your mouth and nose when you cough or sneeze. Which sentence is not true according to the passage?
[ "Bird flu is widely known to people.", "Bird flu is a very dangerous disease.", "Bird flu could make people sick.", "We have good medicine for bird flu now." ]
A. Bird flu is widely known to people.
mmlu_train
arc_challenge_804
Four students compared the total mass of the products to the total mass of the reactants after performing three trials of the same chemical reaction. Each student concluded that the total mass of the products was slightly less than the total mass of the reactants. Each student proposed a different explanation as follows. Student 1: The reaction converted some of the reactant mass to energy. Student 2: The chemical reaction produced a gas that escaped. Student 3: Some of the mass measurements were made with insufficient precision. Student 4: Heat released during the reaction caused the volume of the products to increase.Which students offered the most reasonable explanations?
[ "Students 1 and 3", "Students 1 and 4", "Students 2 and 3", "Students 2 and 4" ]
C. Students 2 and 3
arc_challenge
mmlu_train_49611
"Children who eat less salt and drink fewer sugar-sweetened soft drinks may significantly lower their risks of obesity," researchers recently reported in the journal Hypertension. "Sugar-sweetened soft drinks are a significant source of calorie intake in children," said Feng J. He, a researcher at St George's University of London, England. "It has been shown that sugar-sweetened soft drink consumption is related to obesity in young people." They wanted to know whether there is a link between salt intake and sugar-sweetened soft drink consumption. Dr He and colleagues analyzed data from a 1997 national survey of more than 2,000 people between 4 and 18 in Britain. "We found that children eating a lower-salt diet drank less fluid," said He. "From our research, we estimated that 1 gram of salt cut from their daily diet would reduce fluid intake by 100 grams per day." The researchers also found that children eating a lower-salt diet drank fewer sugar-sweetened soft drinks. From their research, they predicted that reducing salt intake by 1 gram each day would reduce sugar-sweetened soft drink consumption by 27 grams per day, after. "If children aged 4 to 18 cut their salt intake by half, there would be a decrease of about two sugar-sweetened soft drinks per week per child, so each child would decrease calorie intake by almost 250 kilocalories per week," Dr He said. In previous studies, researchers found that a low-salt diet lowers blood pressure in children, and prevents the development of high blood pressure later in life. "Both high blood pressure and obesity increase the risk of having strokes and heart attacks," Dr He said. Dr He recommends that parents check labels and choose low-salt food products. "Small reductions in the salt content of 10 to 20 percent cannot be detected by the human salt taste receptors and do not cause any technological or safety problems," Dr He said. Which of the following statements would Dr He agree to?
[ "The less salt people eat, the healthier people become.", "Children should reduce fluid intake in their daily life.", "No high-salt food products will be available in shops.", "A low-salt diet may prevent both high blood pressure and obesity." ]
D. A low-salt diet may prevent both high blood pressure and obesity.
mmlu_train
mmlu_train_68648
My family makes the best chicken salad.Dad prepares all of the ingredients and Mom makes the relish.There are a few things that make this chicken salad different from the other chicken salads.First,we use fruit jam in the relish.You can buy any fruit jam,like banana jam or orange jam.But we have bottles of strawberry jam that my mother made,so we use the strawberry jam.Second,we put some green olives .Green olives give the salad an interesting taste and make a big difference.Now let me tell you how my family makes the salad. First,mix up all of the salad ingredients in a large bowl.The ingredients are chicken,tomatoes,green olives,onions and apples.If you like lettuce,you can also put some.Next,make the relish.Please mix the jam,the juice and the salt.Finally,mix the relish with the salad ingredients. Do you have a favorite chicken salad recipe?Please tell us about it.You can write to greensalad@yahoo.com. What kind of jam does the writer's family use?
[ "Strawberry jam.", "Banana jam.", "Orange jam.", "All kinds of fruit jam." ]
D. All kinds of fruit jam.
mmlu_train
arc_easy_1437
New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet?
[ "millimeters", "centimeters", "meters", "kilometers" ]
B. centimeters
arc_easy
mmlu_train_23206
While the rest of his family was happily feasting during Spring Festival, Zu Xinming, a Senior 2 student in Shaanxi province, was frowning. "Every time my s leave after dinner, almost half of the dishes are unfinished," he said, and we throw away a lot of food. Nowadays in China, food waste is a widespread problem. Each year, Chinese people throw away the equivalent of about 50 million tons of grain, an amount which could feed 200 million people, according to Xinhua News Agency. One reason is that people are unaware of the issue. "Some of my friends don't care at all when they can't finish the food on their plates," said Zu, "and they even throw it away if they don't like the taste." Gong Tao, an official from the Communist Youth League of China Committee of Central South University in Hunan province, is worried about the decreasing awareness of food waste on his campus in recent years. "Students don't know how much hard work others go through in order to provide their food," Gao told China Education Daily. One deeper factor is the Chinese cultural value of "face". In a Chinese banquet setting, the host feels great shame when guests' plates are empty. "Serving lots of food is the Chinese way of showing respect to guests and displaying generosity," Yu Changjiang, a sociologist at Peking University, told Xinhua. Huge public spending on government banquets is also worsening the situation. Government banquets at the taxpayer's expense have become "a major source of waste", commented People's Daily. The good news is that people are already beginning to take action. On Jan 16, 10 restaurants with 749 outlets in Beijing joined an "eating up" campaign promoted by Xu Xiake, deputy director of China Land and Resources News. These restaurants have begun serving half-sized meals and small dishes. So, how can you help reduce food waste? Discuss with your family regularly about your food preferences and how much you want to eat. Eat all of the food on your plate and in your bowl. And each week, help your parents clean the fridge so that all of the food gets eaten before it goes to waste. Where is the passage most probably taken from?
[ "Textbook", "Newspaper", "Magazine", "Guidebook" ]
B. Newspaper
mmlu_train
arc_easy_1384
Which describes a specific characteristic necessary for survival in the desert?
[ "conserving water", "hiding from predators", "hibernating for long periods", "producing many offspring" ]
A. conserving water
arc_easy
mmlu_train_95859
An animal usually weighs the most if it has eaten
[ "a salad plate of food", "a truck full of food", "a dinner plate of food", "a barrel of food" ]
B. a truck full of food
mmlu_train
mmlu_train_40776
Dear Bewildered, Table manners are about being kind to and considerate of others.Having proper table manners is one way people judge others,and we don't want people to think that we are rude,do we ? Whether in a restaurant or in a home, here are some basic table manners for kids: 1Eat with a fork unless the food is meant to be eaten with fingers.Only babies eat with fingers. 2Sit up and do not hunch over your plate;wrists or forearms can rest on the table,or hands on lap. 3Chew with your mouth closed,No one wants to see food being chewed up.This includes no talking with your mouth full. 4Don't make any rude comments about any food being served.It will hurt someone's feelings.Always say thank you when you're served something. 5Eat slowly.It takes someone a long time to prepare the food,so enjoy it slowly.Wait about 5 seconds after swallowing to get another forkful . 6 Don't reach over someone's plate for something.Politely ask the dish to be passed to you. 7When eating at someone's home or being a guest of someone at a restaurant,always thank the host and tell him or her how much you enjoy it.At least say that you like the dinner ,for example, the dessert is great. Why should we eat slowly at the table ?
[ "To keep healthy.", "To show how bad the food is.", "To show how enjoyable we are.", "To eat more food." ]
C. To show how enjoyable we are.
mmlu_train
mmlu_train_34251
To become a doctor in the United States, students usually attend four years of medical school after they complete college. Then these young doctors work in hospitals for several years to complete a training program called a residency . These medical residents provide hospitals with needed services in return for not much pay. They work under the supervision of medical professors and more experienced doctors. Medical residents treat patients . they carry out tests. They perform operations. They complete records. In hospitals with few nurses, residents also do work formerly done by nurses. Some medical residents work one-hundred or more hours in a single week. _ Critics of this system say medical residents work too long and do not get enough res. They say these young doctors may be too tired to perform their medical duties effectively. Now, the government will limit the number of hours of work that residents can work. Most doctors in training will be limited to eighty-four hours of work each week. They will have work periods of no more than twenty-four hours at one time. They will have ten hours of rest between work periods. Medical residents will have one day each week when they do not have to work. Any work they accept outside their hospitals will be limited.Experienced doctors and medical professors will closely supervise the residents to make sure they are not too tired to work. Many medical residents welcomed the work limits. Others, however, said the new policy may interfere with patient care and their own medical education. Medical residents are not responsible for _ .
[ "supervising students", "treating patients", "carrying patients", "doing operations" ]
A. supervising students
mmlu_train
arc_easy_1290
Brittany pedaled her bicycle quickly on a level surface. When she stopped pedaling and coasted, the bicycle slowed and came to a stop. What happened to the energy of the moving bicycle as it coasted to a stop?
[ "It was transferred to heat due to friction.", "It was reabsorbed into Brittany's muscles.", "It was stored in the bicycle wheels as potential energy.", "It was transferred to the air in the form of visible light." ]
A. It was transferred to heat due to friction.
arc_easy
mmlu_train_34669
Studies have shown that the fewer medicines a person has to take the more likely he or she will take them. Last week, a study was released about a new treatment that combines 5 medicines for heart disease in one pill. Salim Yusuf of McMaster University in Hamilton, Ontario, Canada was the lead investigator. He presented the findings at the American College of Cardiology Conference in Orlando, Florida. The experimental drug is known as Polycap. It contains aspirin, a drug to lower cholesterol and three medicines to lower blood pressure. The study was carried out at 50 health centers across India. More than two thousand people between the ages of 45 and 80 took part in the study. All had at least one risk factor for heart disease. These include high blood pressure, high cholesterol, diabetes or being severely overweight. The people were divided into 9 groups of about 200 people each. One group took Polycap. The other groups took either a single drug or different combinations of the medicines in the Polycap pill. The study showed that Polycap lowered blood pressure and cholesterol without many side effects. Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half. The maker of Polycap, Cadila Pharmaceuticals of India, paid for the study. Cardiovascular diseases of the heart and blood vessels are the number one cause of death around the world. These diseases kill more than seventeen million people every year. 80 percent of them are in low and middle income countries. Doctor Yusuf said the single pill treatment could revolutionize heart disease prevention. People would be more likely to take one pill a day than many pills. And one pill would cost less than several pills. Other heart doctors say heart disease prevention is important but not necessarily with pills. They say patients might be able to get the same results with changes in diet and exercise. Doctors say that more research on Polycap is needed. They say the drug should be tested on thousands more people, including those in different risk, age and ethnic groups. What would be the best tide for the passage?
[ "Different opinions about heart disease prevention.", "A combination pill may cut heart disease risk in half.", "A combination pill cures blood pressure and bad cholesterol.", "Cardiovascular diseases are the number one killer in the world." ]
B. A combination pill may cut heart disease risk in half.
mmlu_train
arc_easy_1393
The praying mantis is well camouflaged in its natural habitat. What is a benefit of this adaptation?
[ "It increases the mutation rate of favorable genes.", "It reduces the risk of being eaten by a predator.", "It allows absorption of chlorophyll from plants.", "It improves the chances of finding a mate." ]
B. It reduces the risk of being eaten by a predator.
arc_easy
mmlu_train_48429
How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush, and it lets you track your performance on your phone. The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection. The toothbrush will be able to teach you to brush right (don't forget the insides of the teeth!) and make sure you're brushing long enough. "It's kind of like having a dentist actually watch your brushing on a day-to-day basis," says Thomas Serval, the French inventor. The toothbrush will also be able to talk to other applications on your phone, so developers could, for example, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth. "We try to make it smart and fun," Serval says. Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said "yes," but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed. The company says the Kolibree will go on sale this summer, from $99 to $199, and the U.S. is the first target market. ( ) All of the following statements are wrong except _ .
[ "It can sense how users brush their teeth.", "It can track users' school performance.", "It can check users' fear of seeing a dentist.", "It can help users find their phones." ]
A. It can sense how users brush their teeth.
mmlu_train
arc_easy_2017
When bedrock in Massachusetts is examined, it often appears scraped and polished. Which of the following most likely caused the bedrock to appear scraped and polished?
[ "crustal deformation", "frequent earthquakes", "glacial movement", "volcanic eruptions" ]
C. glacial movement
arc_easy
aquarat_21113
A salesman’s terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his sales were worth
[ "12000", "14000", "15000", "20000", "60000" ]
A. 12000
aquarat
aquarat_46470
How many terms are there in 2, 4, 8, 16,..., 512?
[ "14", "11", "12", "9", "8" ]
D. 9
aquarat
mmlu_train_69243
Who hasn't enjoyed eating peanuts? Did you know that although peanuts look like nuts and taste like nuts, they aren't nuts at all? They belong to the pea family, so they are called peanuts. The peanut grows flowers above ground, but its "fruit" grows underground. It grows in more countries than most other "nuts". The peanut is a native South American plant. Scientists believe that it grew wild in Brazil long ago. They think that for several thousand years the early peoples of South America made it a part of their diet. These peoples were nomads who moved on when a natural food could no longer be found in one area. Along the way they probably let fall some peanuts, which got into the ground and grew. This is believed to be the way the plant reached the place where the Incas lived. The Incas, from about 1100 to 1532, thought highly of peanuts. The peanuts were eaten in several forms and used as sacrificial offerings to the Incan Sun God. Later in the 16thcentury, European soldiers had brought peanuts to other parts of the world, including North America, Africa, Asia, Europe, and Pacific Islands. Although peanuts were found native in South America, they are now grown in almost every country that has warm weather. India produces the most peanuts. China's production is next, followed by the United States. The peanut is special in more ways than one. It can be eaten raw, boiled, roasted, or fried. Hundreds of widely different products have been made from it. Carver, an American scientist, set himself the task of discovering new uses for eating and for many other products. Peanuts are very highly _ and are also high in protein . Americans use about seven-tenths of their protein in the form of meat. In India, where the poor can't pay for meat or milk, peanut meal and peanut milk have been produced. These have been a great help to the poor. New products are continually being made from peanuts, among them peanut cheese and a powder that becomes peanut butter when water is added. The fact is that peanuts are so healthy that they were used by astronauts. The unusual nut that isn't a nut is one of nature's most amazing gifts. Which of the following is TRUE according to the article?
[ "Nomads always stayed in the same place.", "The peanut was first found in South America.", "Astronauts ate lots of peanuts to keep healthy.", "China grows fewer peanuts than the US." ]
B. The peanut was first found in South America.
mmlu_train