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Life gets noisier every day and ver
阅读理解。
Life gets noisier every day and very few people can be 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
are that you’ 11 be disturbed by jet planes, transistor radios, oil - powered engines, etc. We seem
to be getting used to noise, too. Some people feel quite lonely without background music while
they’ re working.
Scientific tests have shown that total silence can be a very frightening experience for a human being.
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 discos 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 influences 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) may even help people to concentrate.
1. According to this passage, the noise pollution _ _.
A. has become the worst in the countryside
B. has become better in big cities
C. has spread from cities to villages
D. has been controlled in modern cities
2. What does background music refer to?
A. Music played while people are working.
B. Music played in the backyard.
C. Noise that continues while you’ re listening to other noises.
D. Music used to help people to concentrate.
3. Some people have their hearing harmed _ _ .
A. while listening to pop music
B. in complete silence
C. when speaking loudly
D. while watching TV
4. Which of the following isn’t included among the things causing noise?
A. trucks
B. motorcycles
C. electric engines
D. jet planes
5. Scientists have discovered that what prevents people from concentrating on something is .
A. all kinds of noise
B. great changes in the level of noise
C. background noise
D. popular music
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