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What’s the topic discussed in this passage?
What’s the topic discussed in this passage?
admin
2011-03-01
76
问题
What’s the topic discussed in this passage?
Why do we cry? Can you imagine life without tears? Not only do tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so they can’t infect your eyes. Give up your tears, and you’ll lose this on-the-spot defense. Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes. Tears are very good at washing this irritating stuff out. Another thing you couldn’t do without your tears is cry from joy, anger or sadness. Humans are the only animals that produce tears in response to emotions, and most people say a good cry makes them feel better. Many scientists, therefore, believe that crying somehow helps us cope with emotional situations. Tear researcher, Winifred, is trying to figure out how it happens. One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress. When people talk about crying it out," I think that might actually be what they are doing", he says. If Fred is right, what do you think will happen to people who restrain their tears? Boys, for example, cry only about a quarter as often as girls once they reach teenage years, and we all cry a lot less now than we did as babies. Could it possibly be that we face less stress? Maybe we found another ways to deal with it, or maybe we just feel embarrassed.
选项
A、Only humans respond to emotions by shedding tears.
B、Only humans shed tears to get rid of irritating stuff in their eyes.
C、Only human tears can resist the invading bacteria.
D、Only human tears can discharge certain chemicals.
答案
A
解析
题干问:“人类和动物在流泪的时候有什么不同?”材料说“Humans are the only animals that produce tears in response to emotions…”这和答案A的意思一致,所以本题的答案选A。
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公共英语三级笔试题库公共英语(PETS)分类
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公共英语三级笔试
公共英语(PETS)
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