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What’s the topic discussed in this passage?
What’s the topic discussed in this passage?
admin
2011-03-01
44
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、Why people hold back their tears.
B、Why people cry.
C、How to restrain one’s tears.
D、How tears are produced.
答案
B
解析
题干问:“这篇文章讨论的话题是什么?”hold back的意思是“阻止,抑制,隐瞒”,restrain的意思也是“抑制,制止”。从文中可知,“人们为什么抑制眼泪流出”和“怎样抑制眼泪”并不是这篇文章讨论的内容,所以A、C不符合题意。文章并没有说明眼泪产生的机理,只是说眼泪与健康的关系,即“人们为什么哭”符合题意。所以答案选B。
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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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