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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 waste 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 waste 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 waste 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.  
When the writer says we cannot return to the good old days, he means that______ .
选项 A、our society is becoming much worse than before .
B、the old days were much happier than the present time .
C、it is impossible for us to deal with noise as we did before.
D、in our modem society it is hard to lead a quiet life .
答案D
解析 推理题。文中最后一段作者指出，“现在正在测试减少噪音的方法，甚至有法律来控制噪音。我们很难回到“旧日的美好时光”______ 安静与平和，但是我们可以减少噪音……”。
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