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Life gets noisier every day and very few people can free from noise of some sort or another. It doesn´ t matter where you live--in the middle of a modern city, or a faraway village--the chances that you will be disturbed by jet aero planes, transistor radios, oil powered engines, etc. , are almost everywhere. We seem to be getting used to noise, too. Some people feel quite lonely without back-ground music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings. However, some people enjoy listening to pop music which is very loud, and this can do harm to their eardrums(耳鼓). The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration(专心,) suggested that although a lot of people say that any noise disturbs their concentration, what really affects their ability to concentrate is a change in the level of noise. It goes on to say that a background noise, which doesn´ t change too much (music, for example) lnay even help people to concentrate.
From this passage, the pollution of noise .
A
B
C
D
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答案：
解析：
根据文章第一段提到的生活每天都在变得更加喧闹，很少有人能够完全避免噪音的影响，以及噪音污染到处都变得严重，可以得出结论，噪音污染已经变得更加严重。因此，正确答案是B，即噪音污染已经到处变得更糟。
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本文链接：From this passage, the pollution of noise .
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