Question

1．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'll 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 are fond of 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（專注）．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．
21．According to this passage，the noise pollutionC．
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
22．What does background music refer to？A
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．
23．Some people have their hearing harmedA．
A．while listening to pop music         
B．in complete silence
C．when speaking loudly           
D．while watching TV．

Answer 1

分析 本文主要講述噪音對(duì)于生活的影響．

解答 CAA
21 C  細(xì)節(jié)題．通過(guò)文章第一段…few people can be free from noise of some sort or another．和It doesn't matter where you live in the middle of a modern city，or a far away village…可知不管城市和鄉(xiāng)村都在遭受著noise pollution．
22   A 細(xì)節(jié)題．根據(jù)文章第一段Some people feel quite lonely without background music while they're working．可知是指人們工作時(shí)播放的音樂(lè)．
23   A  細(xì)節(jié)題．根據(jù)第二段However，some people are fond of listening to pop music which is very loud，and this can do harm to their eardrums（耳鼓）．可知人們欣賞loud pop music時(shí)會(huì)對(duì)他們的耳鼓造成傷害．

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