Life gets noisier every day and very f 小题1: people can be free from noise of some kind or another. W 小题2: you live in the centre of a modern city or a village far away, the chances that you will be disturbed by planes, cars, radios are almost everywhere. We seem to be used to noise, too. Some people feel quite lonely w 小题3: background music while they are working.
Tests have s 小题4: that total silence can be very frightening experiences. However, some people enjoy listening to pop music which is very l 小题5: , and this can do harm to their ears. The noise level in some places is far above the usual s 小题6: level for heavy industrial（工业） areas.
One recent report about noise said that a 小题7: a lot of people say that any noise disturbs their attention, only a sudden c 小题8: in the level of noise really affects people’s attention. It goes on to say that a background noise, which doesn’t change too much, may even help people to pay attention.
People are testing w 小题9: to make less noise. There are even laws controlling noise. We can’t r 小题10: to the “good old days” of peace and quiet, but we can make less noise if we shout loudly enough about it.
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