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mmlu
Question: Vanatsaya Viseskul, a sweet-voiced, round-faced 16-year-old Thai singer, whose name, at the moment, is inextricably linked with the late Teresa Teng, a singer from Taiwan whose love songs gained her wide fame across Asia, sat on a chair in a dressing room of a theater in Beijing. Viseskul was preparing for he...
B
sciq
Question: What is a mutation? Choices: A. change in the rna sequence of dna​ B. change in the distinct sequence of dna C. change in the nucleotide sequence of dna D. change in the swetha sequence of dna
C
mmlu
Question: A long time ago, there was a man. He wanted to buy a pair of new shoes. He measured his feet with a straw ,and then went to a shoe shop in town. The shopkeeper took out a pair of new shoes, and let him try it on. But when he looked into his pocket, he found that the straw was not there. So he said, "I'm sorr...
A
mmlu
Question: When you make a mistake, big or small, cherish it like it's the most precious thing in the world, because in some ways, it is. Most of us feel bad when we make mistakes, beat ourselves up about it, feel like failures, get mad at ourselves. And that's only natural. Most of us have been taught from a young ag...
A
mmlu
Question: The Enigma of Beauty The search for beauty spans centuries and continents.Paintings of Egyptians dating back over 4,000 years show both men and women painting their nails and wearing makeup.In 18th-century France,wealthy noblemen wore large wigs of long,white hair to make themselves attractive.Today,people ...
A
mmlu
Question: It is the summer of 1776. Thomas Jefferson is not happy. He'd rather be home in Virginia than attending Philadelphia's Continental Congress Thomas Jefferson knew he had a job to do. Important men throughout the American colonies were meeting in Philadelphis to discuss and debate the war with Great Briain. T...
A
mmlu
Question: All countries have little known interesting facts about them, including Canada. For example, did you know that although Canada is the second largest county with only 30 million people, making it the 28thlargest in population? Because a large part of Canada is covered with lakes and streams, it has the largest...
D
mmlu
Question: The students of Class Three are going hiking for their fieldtrip. Hiking is good for people's health. Many hikers like to hike in the countryside, forest and mountains. Just walking for fun is the first kind of hiking. Many people like to hike in the parks or just on the sidewalks. A hike can take a few hou...
B
mmlu
Question: An article published recently in the scientific journal Nature is shedding new light on an important, but so far little has been appreciated, aspect of human evolution. In this article, Professors Dennis Bramble, and Daniel Lieberman suggest that the ability to run was a decisive factor in the development of ...
A
mmlu
Question: A single prokaryotic cell can divide several times in an hour. Few eukaryotic cells can divide as quickly. Which of the following statements best explains this difference? Choices: A. Eukaryotic cells are smaller than prokaryotic cells. B. Eukaryotic cells have less DNA than prokaryotic cells. C. Eukaryotic c...
D
mmlu
Question: Stay-at home careers are the preferred way to earn a living for those who like to set their own hours and be their own boss, mothers of young children, and those who like to avoid office politics. There are plenty of opportunities to earn from home. Even if you earn little first, the quality of life should ma...
A
mmlu
Question: How do you celebrate New Year's Eve? Have you ever imagined how New Year's Eve would look in another country? Examples listed below are four of the top ten "Special New Year Traditions Around the World". 1. Breaking Dishes on Neighbor's Door----Denmark A strange Danish New Year tradition is throwing dishes at...
C
mmlu
Question: There were smiling children all the way. Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and cheer them up as they rushed towards Penang. Often whole families stood outside their homes and waved and smiled as if...
D
mmlu
Question: John is a paper boy. He delivers newspapers to different houses in his street every day. He has about 80 customers . Half of his customers only take the newspapers on weekdays, and about half take the newspapers on weekdays and on Sundays. Two of John's customers only take the newspapers on Sundays. John has ...
D
mmlu
Question: A person with a vitamin D deficiency who is allergic to sunlight could Choices: A. look at pictures B. drink more water C. bathe more often D. eat more cheese
D
mmlu
Question: People in cities all over the world shop in supermarkets. Who decides what you buy in the supermarket? Do you decide? Does the supermarket decide? When you enter the supermarket, you see shelves full of food. You walk in the aisles between the shelves. You push a shopping cart and put your food in it. You p...
A
mmlu
Question: I had been to several doctors as a child, but I have a special place in my heart for Dr. Vincent. He was a Pediatric Cardiologist at UCLA back in 1971 who saved my life. I was eight years old at the time with a severe heart problem and I needed heart surgery. My Mom did not have the money, and without the sur...
B
mmlu
Question: Taj Mahal, Agra, India As many as 28 different varieties of semi-precious and precious stones were used to decorate the outside of the Taj Mahal. Construction of the Taj Mahal took around 20 years. The building, which was made from white marble from the quarries of Rajasthan, appears pink in the morning, whi...
C
mmlu
Question: Our school has a big library. We often go there. Today is Sunday. Lily and I are in the library. In the library there are some signs on the wall. The signs mean different things. We know them. Don't shout in the reading room. Don't drink or eat here. Don't litter in the library. I see a man smoking in t...
C
mmlu
Question: Scientists are closely concerned with the structure of buildings and with the quality of building materials. The World health Organization (WHO) observes that the introduction of air conditioning and energy conservation measures have been accompanied by growing problems of indoor air quality. Some pollutant...
C
mmlu
Question: Elephants are the only species on the earth known to have death ritual besides man. They show a strong interest in the bones of their own kind.They are often seen gently touching the bones with their trunks and feet while remaining very quiet.Sometimes elephants completely unrelated to the dead will still vis...
B
mmlu
Question: In ninth grade, I thought Jennifer Fever, the dark-haired girl who sat behind me in classroom, was an alien . Our class organized an activity to raise money for the library, and in one month, Jennifer read 34 books. I couldn't believe it. Surely, she was from some faraway planet where creature lived and they ...
B
mmlu
Question: Monitoring the mood of a pet dog could be used as an early warning sign that an elderly owner is struggling to cope, a new report has claimed. Researchers placed movement sensors on dogs to track their behaviour and identified 17 distinct activities, including chewing, barking, sitting and digging. This all...
C
arc_challenge
Question: Students made lemonade using the following recipe: 100 grams of lemon juice 100 grams of sugar 1,000 grams of water The students combined the lemon juice, sugar, and water in a container. They stirred the lemonade until all the sugar dissolved. They poured the lemonade into a plastic tray and put the tray in ...
D
mmlu
Question: As a leading Chinese language school and a cultural exchange institute in China, Global Exchange Education Center has been providing Mandarin (or Putonghua) language courses and cultural exchange programs for over a decade. How to apply for our programs #In order to apply for all of our programs, you must be ...
D
mmlu
Question: In a natural disaster--a hurricane, flood, volcanic eruption, or other catastrophes--minutes and even seconds of warning can make the difference between life and death.Because of this, scientists are working to use the latest technological advances to predict when and where disasters will happen.They are also...
D
mmlu
Question: To my Charlie on his wedding day-- I know you think these notes are silly. I have watched you wear a long face over the years when I give them to you. But understand that sometimes I want to tell you something and I want to get it just right. Putting it down on paper helps me do that. I wish I had been a bett...
A
mmlu
Question: The Chinese boy is Li Lei. He's thirteen. He's in No.3 Middle School. He's in Class Two, Grade One. His good friend is Jack. He's English. He's in Li Lei's school. He's in Class One, Grade Two. Mrs. Read is an English teacher in their school. She is an English woman and she teaches Grade 3. Jack and Li Lei ha...
B
mmlu
Question: What happens at the boiling point of a substance? Choices: A. liquid becomes a gas B. solid becomes a gas C. liquid becomes a solid D. solid becomes a liquid
A
mmlu
Question: All my life I had loved airports.To me,they were fl kind of magic gateway to the world,but today it seemed like a cold and heartless place. "Well,here we are,the airport,"my sister said with fl sigh.As 1 watched her unload my luggage,I could see the sadness in her eyes.One last hug and a final good-bye and I ...
C
mmlu
Question: What makes it difficult to hear on the moon? Choices: A. lack of air B. stiff breezes C. wind D. sea monsters
A
mmlu
Question: Some students think it difficult to learn English well. That's because they don't find the right way. I think reading is very important for students. The more you read, the better you'll understand. Reading is helpful to listening, speaking and writing. If you often read English aloud, you'll improve your lis...
C
mmlu
Question: How Super Are Supermarkets? Buying e week's groceries is tiring. You want to get it over and done with quickly, so you head for the nearest supermarket, you find everything you need under one roof, and you feel glad that those days of going in and out of different shops in the high street are over. Supermarke...
B
mmlu
Question: There was a man playing the piano in a bar. He was a good piano player and always performed in this bar. People came in just to hear him play. But one night, a customer told him that he didn't want to hear him just play the piano any more. He wanted him to sing a song. The man said, "I don't sing." But the cu...
C
mmlu
Question: Mary Cassatt was born in Pennsylvania in 1844. When she was seven, her family moved to Europe. They wanted their children to understand European ways and the people who lived there. They travelled a lot and she had visited many countries by the time she was 10 years old. After four years they returned to Amer...
D
mmlu
Question: The World Health Organization has for the first time expressed "cautious optimism" that the growth in new Ebola cases in West Africa may be slowing down. Bruce Aylward, who is in charge of the WHO response to Ebola, said in Geneva that he was particularly encouraged by evidence of a downward trend in Liberia,...
D
mmlu
Question: Our school is No 1 Middle School. It is not big, and it has a short history, but I'm lucky that I am a student of this school. Ten years ago, there were not any teaching buildings and not a library in our school. The playground was so small that we could only play basketball there. Now great changes have take...
A
mmlu
Question: Living in a foreign culture there are many times when I realize that my perspective on life is drastically different from those Koreans I interact with on a daily basis. This past week I have been greatly challenged to change my perspective and here is why. My dream in life is to become a doctor, one who ...
C
mmlu
Question: Green Eyes is a book. It's about a lovely cat called Green Eyes. He is one year old. He is interested in everything around him. He lives in his big red box and greets spring, summer, autumn and winter--each with their special colours and feelings .The pictures of the book are beautiful, and the words are e...
D
mmlu
Question: Habits are a funny thing. We reach for them mindlessly, setting our brains on auto-pilot and relaxing into the unconscious comfort of familiar routine. "Not choice, but habit rules the unreflecting creatures," William Wordsworth said in the 19th century. In the ever-changing 21st century, even the word "habit...
B
mmlu
Question: As you know, the great American writer Jack London was often in need of money when he began writing his books. He worked hard but it didn't help him. Once he promised a New York magazine to write a story for it, but he was busy at that time and could not keep his promise. The boss of the magazine wrote le...
B
arc_easy
Question: The directions for making a protein Choices: A. result in DNA. B. are carried by DNA. C. result in amino acids. D. are carried by amino acids.
B
mmlu
Question: There are some topics that readers never grow bored with, and the search for a suitable partner is one of them. Pride and Prejudice by Jane Austen, first published in 1813, tells the story of five young women, all of whom are looking for a husband. In order to fully understand the novel, the readers must kno...
A
sciq
Question: What is the outer layer of skin, consisting almost entirely of epithelial cells? Choices: A. dermis B. connective tissue C. hypodermis D. epidermis
D
mmlu
Question: LAST week, the College Board announced that it was revising the SAT (Scholastic Assessment Test) in an effort to make it more acceptable to test-takers, teachers, college admission officers and the public more generally. Test-takers who receive lower scores than they have hoped for are likely to be concerned ...
B
mmlu
Question: Gaseous sulfur dioxide is a compound that combines with water in the atmosphere to form acid rain. What is the primary source of sulfur dioxide? Choices: A. volcanic emissions B. combustion of fossil fuels C. destruction of tropical forests D. mining and mineral extraction
B
mmlu
Question: David comes from the train station and he doesn't know where to go. This is the first time he comes to this town. He comes to see his good friend, Peter. Peter is a doctor. He works in a hospital. But David doesn't know where the hospital is. He walks in the street. He passes a bank, a post office, a hotel an...
B
mmlu
Question: Not very long ago, the question would have seemed absurd. Now it is on the lips of respected scientists; MPs are beginning to talk of "a war on sugar", and even England's chief medical officer has said sugar may have to be, like the old enemy tobacco, taxed in order to protect the nation's health. There...
C
mmlu
Question: "If you want to see a thing well,reach out and touch it!" That may seem a strange thing to say.But touching things can help you to see them better. Your eyes can tell you that glass ball is round.But by holding it in your hands,you can feel how smooth and cool the ball is.You can feel how heavy the glass is. ...
C
mmlu
Question: The World Bank estimates there are about 650 million mobile phone users in African countries south of the Sahara Desert. That is greater than the number of users in the United States and European Union. Samia Melhem worke for the World Bank to increase information technologies in Africa. She says mobile phone...
C
arc_challenge
Question: Which of the following Earth layers has the greatest density? Choices: A. crust B. mantle C. inner core D. outer core
C
mmlu
Question: New research says 35 percent of the deaths of children worldwide are caused by hunger. The research is from poor to middle-income countries in Africa, Asia and Latin America. Robert Black from the Bloomberg School of Public Health at Johns Hopkins University in prefix = st1 /Marylandwas the leading writer of...
C
mmlu
Question: While in Banff, make time for a walk around town. A special treat is to go up the mountainside on the Banff Gondola for a surprising view of the valley below. Here is The Pines, whose cook has developed a special way of mixing foreign food such as caribou, wild boar, and reindeer with surprising sauces. Best ...
A
mmlu
Question: SPECIAL EVENTS THIS WEEKEND Captain Goodfellow Do you children enjoy interesting stories funny games, and exciting dance? Captain Goodfellow will be ready to teach a11 these things to children at the City Theatre on Saturday morning at 10:00, free. morning at 10:00 Free. Walking Tour of the Town Forget your w...
A
mmlu
Question: Your next Saturday night takeaway could be brought to you by a robot after a major food delivery company announced plans to use automated vehicles to transport meals. Europe's biggest online takeaway food company Just Eat has partnered with Starship Technologies to deliver food with robots on the streets of L...
C
mmlu
Question: People in Australia love koalas and take care of them. They have set up places for them to live safely. No one can kill them for their pretty fur . When a koala is born, he has no fur. And he is not as big as your little toe ! The mother koala has a pocket in the front of her body. The baby goes into this war...
A
mmlu
Question: One day, many years ago, when I was working as a psychologist in England, David was brought into my office. His face was pale and he looked at his own feet. David lost his father when he was two years old and lived with his mother and grandfather ever since. But the year before he turned 13, his grandfather ...
D
mmlu
Question: Team building games can be fun for teenagers. They can also be tools for strengthening the group. There are many levels of team building exercises. Let's look at some activities that can help you build a stronger team. Pass the Clap Pass the Clap works well as a beginning activity to help your group get to kn...
C
mmlu
Question: Hangzhou, capital of Zhejiang Province, China, was chosen to be the host city of the 19th Asian Games . However, some people say that the 19th Asian Games will be held in 2022, while some say 2023. Which is true? To make it clear, we need to have a better understanding of Asian Games first. The Asian Games is...
D
mmlu
Question: Recently, I happened to hear a mother and daughter in their last moments together at the airport as the daughter prepared to leave. They hugged and the mother said "I love you and I wish you enough." They kissed and the daughter left. The mother walked over to the window where I sat. Standing there, I could s...
D
mmlu
Question: We have known for a long time that flowers of different plants open and close at different time of day. Yet no one really understands why flowers open and close like this at particular times. It is not as simple as we might think, as new experiments have shown. In one experiment, flowers were kept in darkness...
D
mmlu
Question: Though "nanometer" is now a fashionable term all over the world,few people know exactly what it is.It has become a new favorite of manufacturers and sellers in recent years.Many "high-tech" products bearing the name "nano" have entered the market,bringing more mysterious feeling to surprised consumers. Nanome...
A
mmlu
Question: Lee's mother Sun became unexpectedly pregnant while married to a disabled man. Doctors told her that because of a medication she had been taking her child would not be normal. She chose to continue with the pregnancy and in 1985 in Seoul, South Korea, little Hee Ah Lee was born with only two fingers on each h...
C
mmlu
Question: We are so used to having a cup of tea before heading off to work, during work or after getting back from work. Tea breaks are more like a custom that takes place regularly several times a day. This tea break tradition has been happening during the past 200 years or so. Tea just happens to be a wonderful drink...
A
mmlu
Question: It took me more than 10 years to realize that the world has no shortage of fashion designers who have the ability to make trendy and elegant garments, but that it is badly in need of, simply, clothes designers. My own definitions would set fashion and clothing greatly apart. It is a fact that, in the shoppi...
C
mmlu
Question: Growing strawberries in pots *The best way to start growing strawberries is to buy pot-grown strawberry plants m spring:5 plants are plenty for a hanging basket and 10 for the average 13 inch-sized pot. *Plant them immediately in soil-based compost and they will produce a modest crop in their first year.The ...
D
mmlu
Question: Watercolour is the oldest paints known. It dates back to the early cave men who discovered they could add lifelike qualities to drawings of animals and other figures on the walls of caves by mixing the natural colours found in the earth with water. Fresco , one of the greatest of all art forms, is done with ...
C
mmlu
Question: It's eight o'clock and the time for Morning New Highlights . One person was killed and two were injured in a car accident just thirty minutes ago. Cause of the accident is not yet found out. A great fire swept through a storehouse next to the Fulton River early this morning, causing about $3,000,000 in damage...
A
mmlu
Question: One of the greatest contributions to the first Oxford English Dictionary was also one of its most unusual. In 1879, Oxford University in England asked Prof. James Murray to serve as editor for what was to be the most ambitious dictionary in the history of the English language. It would include every English w...
A
mmlu
Question: A gila monster will likely have to interact negatively with Choices: A. trees B. eagles C. snails D. sharks
B
mmlu
Question: How could we possibly think that keeping animals in cages in unnatural environments-mostly for entertainment purposes-is fair and respectful? Zoo officials say they are concerned about animals.How ever, most zoos remain "collections" of interesting "things" rather than protective habitats .Zoos teach people ...
C
mmlu
Question: Mr. Green is quiet and doesn't like talking with people .He likes reading newspapers and using the Internet.He hardly ever exercises. Sometimes he watches soccer or basketball games on TV. He likes coffee very much and drinks it three times a day . Mr. Green is a bank clerk . It's a busy but boring job. He wo...
D
mmlu
Question: If you are living in the city, have you ever thought of going to live in the country for a change? Many people want to move from the country to the city because they think life in the city is more exciting and better than that in rural areas, especially young people who like new and modern things. Often peo...
A
mmlu
Question: A blue hole is a flooded sea cave with a hole that opens up at the land's surface. These cave systems form in carbonate rock, often on islands. Some blue holes have very special rock formations and water chemistry. Far below sea level, they contain some of the harshest environments on Earth, with no oxygen an...
B
mmlu
Question: President Barack Obama rode a bicycle at the White House Science Fair on April 22. But it wasn't an ordinary bike. As he pedaled, the President stayed in place, while the energy from his pedaling powered a water filtration system. He was testing an invention created by a team of 14 students from Northeast H...
D
mmlu
Question: Traveling by train is usually not easy in China. It can be hard to get a ticket. When you're traveling to the railway station, you look at your watch, for you are afraid you will miss your train. But there is good news for people traveling between Beijing and Shanghai. Construction on the express railway ...
C
mmlu
Question: Carol and Susan are very good friends. They are in the same class at school and they often go to each other's home on Sunday. Now they are both eight yeas old. Carol's mother has got a new baby. Carol is very glad to have a little sister, so she is always talking about her to Susan. At first Susan is very int...
B
mmlu
Question: Maricel Apatan, 22, stands in the kitchen of the Edsa Shangi-La Hotel in Manila, preparing to decorate a cheesecake. It would seem to be a routine task for a cake chef, but Maricel is no ordinary chef -- she has no hands. Maricel has come a long way since the day in September 2000 when she and her uncle w...
A
sciq
Question: Water is formed from oxygen and what other element? Choices: A. calcium B. helium C. lead D. hydrogen
D
mmlu
Question: When Jason's parents saw him for the first time, they were shocked .This lovely little baby with shining blue eyes and curly hair was born disabled . But soon the young couple accepted this fact: Jason's arms are just half without hands and his legs aren't fully grown either. They even forgot to think of him ...
A
mmlu
Question: Being less than perfectly well-dressed in a business setting can result in a feeling of discomfort. And the sad truth is that "clothing mismatches" on the job can ruin the day of the person who is wearing the inappropriateattire --and the people with whom he or she works. Offices vary when it comes to dress c...
A
mmlu
Question: When going through major life changes, like changing careers, I would change the people with whom I spent the most time. We've all gone through periods when the people in our lives have changed--graduation, moving to a new city, getting a new job, joining a new club, etc. I don't think I need to convince you ...
D
arc_easy
Question: Which of the following causes a chemical change? Choices: A. sugar added to soda B. detergent added to water C. lemon juice added to milk D. salt added to water
C
mmlu
Question: 1 On Friday, January 14, 2005, my cousin, Kara Rose, came into the world. 2 She looked perfectly healthy from the outside, but on the inside, the doctors had failed to discover a serious problem. 3 She often had trouble breathing and then turned blue. 4 The doctors found that Kara had been born without part o...
A
mmlu
Question: A company is designing a new laptop computer. The computer must not exceed a certain weight. Which of the following is the most likely reason to have a weight restriction for the computer? Choices: A. to make it easier to test the prototype B. to reduce the cost of making the computer C. to make it easier to ...
C
mmlu
Question: In Germany ,about 70% people like reading. They often read .They read in their homes. They read in libraries. They read in their schools. They also read in hospitals .Parents often read books for their kids. You can buy all kinds of books in Germany. There are many bookstores there. A bookstore can sell many ...
A
mmlu
Question: One of the greatest warriors of history, Genghis Kahn, came from the Mongolian people. He controlled many countries in Asia and Europe because of his bravery and leadership in battle. This time period was known as the Yuan Dynasty in the 13th and 14th centuries. Genghis decided to go hunting one day and many...
A
arc_easy
Question: When compared to current average conditions, which term would best describe conditions in Earth's lower atmosphere if greenhouse gases were absent? Choices: A. denser B. cooler C. wetter D. cloudier
B
mmlu
Question: Which of the following distinguishes the organisms in the kingdom Fungi from other eukaryotic organisms? Choices: A. Fungi are unicellular. B. Fungi reproduce sexually. C. Fungi obtain nutrients by absorption. D. Fungi make food through photosynthesis.
C
mmlu
Question: School education is very important and useful. The students both learn knowledge and get educated. Yet, no one can learn everything from school. Scientists, such as Edison, Newton, Galileo and Einstein, didn't learn everything from school. They learnt a lot of knowledge outside school or practiced a lot thems...
C
mmlu
Question: There are some vegetables in the garden and a big tree near the vegetables. They don't like each other, because vegetables drink much water, and the tree can't have enough water to live. He is very angry about that. So he wants to teach vegetables a lesson . On a very hot day, the big tree doesn't share its s...
D
mmlu
Question: The UN weather agency warned on Tuesday there was a good chance of an "El Nino" climate phenomenon in the Pacific Ocean this year, bringing droughts and heavy rainfall to the rest of the world. The World Meteorological Organization (WMO) said its modeling suggested a "fairly large potential for an El Nino,...
A
mmlu
Question: The air hostess was in a small kitchen at the back of the plane, preparing the plates for lunch, when a little old lady came and spoke to her, "Could you please tell me," she asked, "where is the ladies' lavatory in the plane?" "Yes, madam," said the air hostess and smiled. "It is right at the other end o...
B
sciq
Question: Sponges possess an internal skeleton called what? Choices: A. exoskelton B. endoskeleton C. fluid skeleton D. hydrostatic skeleton
B
mmlu
Question: One day, I heard an American boy say to a Chinese student of English, "You speak very good English." But the student answered, "NO, no. My English is very poor." The foreigner was quite surprised at the answer. Thinking he had not made himself understood or the Chinese student had not heard him clearly, he sa...
A
mmlu
Question: "Beating is a sign of affection,cursing is a sign of love." Many may not expect to hear the words of the old Chinese saying in these modern times--with parents wealthier and better educated than they have ever been--but experts say they still ring true. Today,it seems,Chinese parents are more likely to send...
B
mmlu
Question: Using too much water or throwing rubbish into our rivers are clear ways that humans can put our water supply in danger , but we also affect our water supply in less obvious ways. You may wonder how paving a road can lead to less useable fresh water. A major part of the water we use every day is groundwater. ...
B
mmlu
Question: Car needs gas to run as your body needs food to work for you. Eating the right kinds of food is very important. A good eating habit can help your body grow strong if you take care of what you eat. There are four main food groups altogether. The _ group has food like milk, cheese and sour milk. The other three...
B
mmlu
Question: We know that cigarette smoking kills. So, producers made electronic cigarettes as a safer smoking choice - safer than tobacco. Although e-cigarettes contain the drug nicotine like cigarettes, they do not use tobacco and you do not light them. They are powered by battery . However, if e-cigarettes are so safe...
B
mmlu
Question: With winter fast approaching, flu season is here. People can easily catch the flu bug and they try to fight it with western medicine, traditional Chinese medicine or some homemade secret recipes. Yet some of these strategies are ineffective or even harmful, the best way to counter the flu is to protect us fro...
B