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I'm taking a test and have to guess the right answer to the question after the article. Article: Language is a way to communicate with each other. We started to learn language when we were born. However, people are used to speaking their native language, so immigrants are having many problems between the first generation and the second generation because they don't have the same native language. Also, the second generation is losing their identity. Especially in America, there are many immigrants that came from different countries to succeed in the States. Because they suffer in lots of areas such as getting a job and trying to speak English, they want their children to speak English, not only at school, but also at home in order to be more successful. Because of this situation, their children are losing their identity and, even more, they are ignoring their parents whose English is not very good. I think most immigrants are trying to preserve their native language in their new country, but this doesn't help very much in getting a good job. My aunt taught Korean to her children not to help hem succeed in the U.S. she did so, hopefully, to help them establish a Korean identity. Though the second generation was born in the new country, they often get confused about their identity because they look different from others, and also, if they visit their parents' country, they will probably feel different from other people there too. My cousins told me that when they visited Korea a few years ago, they felt different from other Koreans. They could even feel it just strolling around the street because they wore different clothes and walked differently. We must realize that language is important and valuable for many reasons. Immigrants should make an effort not to be ignored by their children understand their background by teaching them the parents' language. This is very important, not only for the harmony of the family, but also in helping the second generation establish their identity. Question: According to the text, the native language is important and valuable to immigrants in that _ . Options: A: it gives them self-confidence and better chance B: t makes the second generation love motherland C: it helps the second generation to understand their parents D: it strengthens the family ties and reminds them of their identity (BCABD)
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D

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I'm taking a test and have to guess the right answer to the question after the article. Article: Zero gravity looks cool. But what about the thing no one likes to talk about? Yes, that is right: going to bathroom. Zero gravity makes this everyday task quite a challenge. Astronauts have to be toilet-trained all over again. The Apollo astronauts raised themselves off the seat of their chairs and stuck a clear plastic bag to their back sides with sticky strips. A second astronaut watched closely to be sure no waste matter escaped the seal. (You would not want that stuff floating around the cabin!) When the deed was done, the astronaut cleaned up with a piece of plastic attached to the inside of the bag, removed the bag, dropped a disinfectant pill in with the waste matter, and put the whole thing, sealed, into a special container. Donald W. Rethke, an engineer for Hamilton Standard Space Systems, developed a more private way to answer nature's call: the space toilet. It is somewhat like the kind of toilet one would find on commercial airplanes --- with unique adaptations for zero gravity, of course. For instance, it has thigh bars that keep the astronaut from floating off the seat. The astronaut (male or female) defecates in a bag and urinates in a hose. Solid and liquid wastes are kept separated because at least 85% of the urine is recycled and, yes, after careful filtration, used for drinking and other purposes. (Water is always in demand in space.) A vacuum sucks the waste materials into the toilet, where the waste is compacted into hamburger-like patties for easy storage. Although not exactly like an earthbound visit to the toilet, it is at the very least much more private than in the early days of space travel. Question: What can be inferred from the fact that most of the astronauts' urine is recycled? Options: A: The recycled water tastes better. B: Water is limited on the space shuttle. C: It is very convenient to get their urine recycled. D: Space science includes recycling urine.
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: One day,I received a call from a colleague.He was about to give a student a zero for his answer to a physical problem,while the student claimed a perfect score.I was elected as their arbiter .I read the examination problem,"Show how it is possible to determine the height of a tall building with the aid of a barometer ." The student had answered,"Take the barometer to the top of the building,attach a long rope to it,lower it to the street,and then bring it up and measure the length of the rope.The length of it is the height of the building." The student had really answered the question completely,but the answer didn't confirm his competence in physics.I suggested the student try again.I gave him six minutes to answer the question,warning that the answer should show some knowledge of physics.Five minutes later,he said he had many answers and dashed off one,which read "Take the barometer to the top of the building and lean over the edge of the roof.Drop the barometer,timing its fall with a stopwatch,then use the physical formula to calculate the height of the building." At this point,my colleague had to accept it,and then the student made almost full marks.I couldn't help asking the student what the other answers were.He listed many others,and then added,"Probably the best one is to take the barometer to the administrator and say to him,'Sir,here is a fine barometer.If you tell me the height of the building,I will give it to you.'" Then,I asked the student if he really did not know the conventional answer to this question.He admitted that he did,but said that he was fed up with high school and college instructors trying to teach him how to think. The name of the student was Bohr who later was famous all over the world.He won the Nobel Prize in Physics in 1922. Question: We know from the passage that _ . Options: A: the student knew the expected answer B: the administrator told Bohr the height C: the author preferred Bohr's last answer D: the teacher was a very stubborn person
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A