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Read the article and select the best answer. Article: DNA is the whole "map" of the human body. It is something that all humans have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own. People have been trying to understand the human body for a long time. In 1860, Mr. Mendel discovered why we look the same as other people in our family. It is because of small things called "genes" in our body. In 1953, two scientists, Watson and Crick, found out that genes are really messages. They're written in the DNA with a special language. In 1961, another two scientists found the first "word" that they could understand in that language. It shows how DNA tells the cell to build its parts. So far, scientists have found all the words in the DNA map, but we still don't understand what they all do. By understanding what just one "word" means, we can help to save people from several illnesses. So the more we understand, the more doctors will be able to do. Most people hope that this will help to make better medicine and help sick people. Other people worry that when we learn more "words" and find out more information, we will use it in the wrong way. Just to make people more attractive , or stop sick people getting jobs. Question: How can we help sick people if we understand more "words" in the DNA map? Options: A: Make better medicine. B: Make them get jobs. C: Make maps for them. D: Make them attractive.
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A

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Read the article and select the best answer. Article: "ABC"and "Banana Persons" You may know the English letters A, B and C. But do you know there are people called "ABC"? You may like eating bananas. But do you know there are people called "banana persons"? If you don't know, I will tell you. They are Chinese people like you and me, but they aren't in China.Why do people call them like that? "ABC" means American-born Chinese. An "ABC" is a Chinese, but was born in the United States. Sometimes, people also call them "banana persons". A banana is yellow outside and white inside. So when a person is a banana, he or she is white (American) inside and yellow (Chinese) outside. They are born in America and they live in America for a long time. Even their nationality is American. So they think like Americans and do things like Americans. But they still have Chinese blood . Their parents, grandparents or even great-grandparents were from China.They all have black eyes and black hair. So they look like us Chinese people. For example, we all know the famous scientist C.N.Yang. He is an "ABC" and he is a "banana person". We like him, although his nationality isn't Chinese. Question: Why do people call an "ABC" a "banana person"? Options: A: They look like Americans but they think like Chinese. B: They look like Chinese but they think like Americans. C: They like to eat bananas. D: They can speak "ABC" very well.
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B

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Read the article and select the best answer. Article: Mr. and Mrs Black live in a small house near London with their children. Usually Mr Black comes back from work very late. At that time, his wife and the children are sleeping. So he opens the front door of his house with his keys and comes into the house quietly. One night he comes home very late. It is 11:00 p.m. But he can't find his keys. He rings the bell . Nothing happens . He rings it again. Again nothing happens. No one can hear it. Mr. Black knocks on the bedroom window. He calls his wife's name. He shouts but his wife doesn't wake up. At last he stops and thinks for a few minutes. Then he begins to speak like a small child. "Mother," he says. "I want to go to WC." Mrs Black wakes up at once . Then he speaks to her, and she opens the door for him. Question: Mr Black speaks like a little child because _ . Options: A: he looks like a child B: he wants to wake up his children C: he wants to wake up his wife D: he wants to go to WC
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C