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外语
A、We may forget what we have thought about. B、Our thoughts may be disturbed. C、Our mind might be harmed. D、We may have difficult
A、We may forget what we have thought about. B、Our thoughts may be disturbed. C、Our mind might be harmed. D、We may have difficult
admin
2016-07-25
25
问题
The sense of sound is one of our most important means of knowing what is going on around us. Sound has a waste product, too, in the form of noise. Noise is growing and it may get much worse before it gets any better.
Scientists have been studying how noise affects people and animals. They are surprised by what they have learned. Peace and quiet are becoming harder to find.
Noise pollution is a threat that should be looked at carefully.
There is a saying that it is so noisy that you can’t hear yourself think. Doctors who study noise believe that we must sometimes hear ourselves think. If we don’t, we may have headaches, other aches and pains, or even worse mental problems.
Ways of making less noise are now being tested. There are even laws controlling noise. We cannot return to the "good old days" of peace and quiet. But we can reduce noise, if we shout loudly enough about it.
19. Why are scientists surprised by the findings in their noise study?
20. What may happen if we cannot hear ourselves think?
21. Which of the following is true according to the passage?
选项
A、We may forget what we have thought about.
B、Our thoughts may be disturbed.
C、Our mind might be harmed.
D、We may have difficulty finding the right words.
答案
C
解析
预读选项可知,题目询问如果……可能会发生什么事。因此,在听音时要特别注意由if之类的词引导的条件句及这样做会导致什么后果。关键在于听到“如果我们听不见自己思考,可能会有头痛、其他的疼痛,甚至更糟的是会出现心理问题。”选项C就是原文中mental problems的同义表达,故正确。
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0
大学英语四级
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