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  3. The sense of sound is one of our most important means of knowing what is going on around us. Sound has a waster product, too, in

The sense of sound is one of our most important means of knowing what is going on around us. Sound has a waster product, too, in

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问题     The sense of sound is one of our most important means of knowing what is going on around us. Sound has a waster product, too, in the form of noise. Noise has been called unwanted sound. Noise is growing and it may get much worse before it gets any better.
    Scientists, for several years, 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.
    Noise adds more tension (紧张) to a society that already faces enough stress.
    But noise is not a new problem. In ancient Rome, people complained so much about noise that government stopped chariots (四轮马车) from moving through the streets at night!
    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.
Which of the following is TRUE according to the passage?
选项 A、Only recently did people realize the harmful effect of noise.
B、Noise pollution is the worst kind of pollution we suffer from.
C、People are now trying to find ways to make noise as low as possible.
D、The writer thinks that it is almost impossible for people to avoid noise.
答案C
解析 本题为总结题。A项是说，科学家们刚刚意识到噪音的害处不久，而文中提到他们是经过多年的研究得出的结果。B项是说噪音是我们遇到的最糟糕的污染，但文中并未提到噪音是最坏的污染。D项的意思是说作者认为人类不可能避免噪音，文章最后一句正好与之意思相反。因此应选C。
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