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I'm taking a test and have to guess the right answer to the question after the article. Article: IT'S a scene in many homes around the world: tired-eyed teens wake to the sound of their alarm clock. Another school day begins, and we all wish we could have just one extra hour of sleep. For lucky high school students in England, they're now going to reset their alarm and get an extra hour of sleep. Instead of starting school at 9 am, students will begin the academic day at 10 am. This is part of a huge study by Oxford University. The experiment will see whether later classes can improve exam results. More than 100 schools across England will join the four-year experiment, which includes tens of thousands of students. It is based on(...) scientific evidence(; )that teenagers are out of step with traditional school hours. "We know that something funny happens when you're a teenager," lead sleep researcher Colin Epsie told The Telegraph. "Your parents think it's because you're lazy and everything would be OK if you could get to sleep earlier. But science is telling us that teenagers need to sleep more in the mornings." A similar experiment in 2009 saw an improvement of 19 percent in exam scores for major subjects - such as math and science. Teenagers' sleep cycles, on average, begin two hours after adults. Neuroscientists say teens have a built-in clock, which makes them more likely to go to sleep around midnight. As well as not feeling fully awake until between 9 am and 10 am. This body clock stays until the age of 19 for females and 21 for males. Schools are places for learning, as well as education laboratories - finding out the best ways to learn and increase knowledge. Yet we'll have to wait until 2018 to find out these exciting results! Question: The aim of the experiment in 2009 was to _ . Options: A: find out whether later classes can improve exam results B: test how students' body clocks work C: compare teenagers' and adults' sleeping styles D: help teachers to find the best way to teach
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: As traditional Chinese art, paper cutting has a long history. The first and earliest paper cutting was found in China 1,500 years ago. But this traditional art is at risk of disappearing now. Luckily, Voyo Woo, a Chinese immigrant in America, is trying to bring this art back to life. One Saturday in 2014, Ms Woo held a paper cutting show at a shopping center near Washington. She got much fun and peace doing it. She hoped more people would enjoy it. Ms Woo began to study the art of paper cutting as a 14-year-old girl in her hometown in China. She said all the students at school had to learn paper cutting. But she had a deep love for it. So her teacher spent more time teaching her after class. Later, she won the second prize in a national painting and art competition. Ms Woo went to America after she finished collage in 2008. Soon after that, she took part in an activity to promote Chinese paper cutting. And then she was invited to show the art in many important activities."It is important to promote this art to Americans or anyone who is interested in it.Maybe it will make this art more popular."Woo said. From the art of paper cutting, people can know about Chinese cultural values, history and stories of people's life. Ms Woo uses the art as a tool to show Chinese culture to people who know little about it. Chinese art is not only for Chinese, but also for people all over the world. Question: Ms Woo began to study the art of paper cutting _ . Options: A: when she was fourteen B: after she got to America C: when she was in college D: after she finished college
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: Space vegetables are grown from seeds that have been taken to space and brought back to the earth. The seeds are affected by the radiation and low gravity in space. When they are brought back to the earth, these seeds produce vegetables that are bigger and healthier than normal vegetables. However, some people worry about eating space vegetables. They think that space vegetables might not be good for us and could make us get sick because of the radiation in space. However, people should not be frightened because space vegetables are very healthy. Here are some facts that you should know about space vegetables. Space vegetables are grown from seeds that are carefully chosen. When seeds are brought back from space, they are tested to make sure that they will be safe to eat. Space vegetables are better for you than normal vegetables. For example, space tomatoes stay fresh for twenty days, which is one week longer than normal tomatoes. After genetically modified food appeared in the market, people worried that they were eating unknown things. For example, if nut genes are put inside potatoes, people allergic to nuts might get sick from eating these potatoes because they do not know they are also eating nuts. Unlike genetically modified food, space vegetables have not been genetically changed. This means that no new genes are put into the vegetables. Therefore, there are no dangers of eating something unknown. Question: The seeds brought back from space produce _ vegetables according to the passage. Options: A: more delicious B: healthier and bigger C: more dangerous D: cheaper and healthier
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B