根據短文內容和首字母提示，在下文空格處填入適當的詞使短文完整。(每空一詞)

Life gets noisier every day and very (1)f______ people can be free from noise of some kind or another.

(2)W______ you live in the centre of a modem 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 (3)w______ background music while they are working.

Tests have (4)s______ that total silence can be very frightening experiences. (5)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 (6)a______ the usual safety level for heavy industrial areas.

One recent report about noise said that (7)a______ a lot of people say that any noise disturbs their attention,

only a sudden (8)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 (9)c______ noise. We cannot (10)r______

to the "good old days" of peace and quiet. But we can make less noise-if we shout loudly enough about it.