Life gets noisier every day and very f________ people can be free from noise of some kind or another. W________ 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, etc. are almost everywhere. We seem to be used to noise, too. Some people feel quite lonely w________ background music while they are working.
Tests have s________ that total silence can be very frightening experiences. H________, some people enjoy listening to pop music which is very loud, and this can do harm to their ears. The noise level in some places is far a________ the usual safety level for heavy industrial areas.
One recent report about noise said that a________ a lot of people say that any noise disturbs their attention, only a sudden c________ 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 (music, for example) may even help people to pay attention.
People are testing ways to make less noise. There are even laws c________ noise. We can’t r________ to the “ good old days ” of peace and quiet. But we can make less noise --- if we shout loudly enough about it.
答案：
1.few
2.whether
3.without
4.shown
5.However
6.above
7.although
8.change
9.controling
10.return