Have You ever gone to a concert and realized that your seats were right next to the booming speakers? Are you guilty__________ .turning up the volume on your portable cassette or CD player to drown out the whiningof your little brother? Sometimes its difficult to avoid loud music or noises，but they can be bad news because loud noises can__________ temporary or permanent hearing loss.
Extremely loud music and noises that go on for long periods of __________ are common causes of deafness.If a noise is so loud that you have to shout to make yourself__________ ，there is a __________ that the mechanism inside your ear can be injured Temporary hearing loss can happen after youve been __________ to loud noise for only 1 minutes.If you have temporary hearing loss.you wont be able to hear as __________ as you normally can，and you may have tinnitus ，which is a fancy word for ringing in the ears.Your ears call feelfull，too __________ these things usually go away and your hearing soon returns to normal.
Permanent hearing loss can happen when，someone is exposed to loud noise__________ and over.Construction workers and people who work in factories must__________10)ear protectors because the equipment they use can be extremely loud.But even some lawn mowersand power tools can permanently __________ a persons ability to hear high-pitched noises and can also give him permanent tinnitus.Listening to extremely loud music over and over call also have the same effect on a persons __________ .And using headphones on a portable cassette or CD player can be dangerous __________ if the volume is too high and the headphones are used a lot，the noise can damage the ears.
The best way to avoid hearing loss is to wear eat protectors when working with machinery and earplugs when going to a__________ .Headphones are OK to wear when youre listening to music;just be sure the volume isnt too high，and give them a rest __________ once in a while.
1 A of B for C at D on
2 A have B take C cause D tap
3 A course B length C state D time
4 A heard B appreciated C tracked D welcomed
5 A luck B point C chance D sense
6 A exposed B expressedC carried D reflected
7 A good B well C regularly D stable
8 A Unfortunately B Accordingly C Luckily D Unexpectedly
9 A over B once C again D away
10 A hear B bear C wear D tear
11 A affect B effect C enforce D present
12 A scope B attitude C survey D hearing
13 A whereas B although C because D unless
14 A concert B factory C meting D mall
15 A each B every C all D for
参考答案
1 A to be guilty of,是固定搭配，表示有之过的意思。
2 C 根据上下文，此处应选表示引起之意的词语。
3 D 表示长时间应用long period softime。
4 A 只有高声喊叫才能之后显然应选被人听到。
5 C 句子要表达的意思是，如果只有高声喊叫才能被人听到，那么就有耳内机制受损的可能。
6 A 要表达暴露于或者是接受了的意思，应选exposed to。
7 B 要表达听力不如原来好，此处应选能修饰动词hear而又表示好的副词。
8 C 因为接下来讲的是：这些毛病通常会消失，而你的听力很快也会恢复正常，所以这是件幸运之事。
9 A over and over是固定搭配，表示不断的意思。
10 C 根据上下文，此处应选表示戴之意的词语。全句的意思是：建筑工人和在工厂里工作的人们必须戴护耳器，因为他们所使用的设备会产生巨大的噪音。
11 A 根据上下旬，此处应选表示影响之意的词语。全句的意思是：然而，即使是一些割草和电动工具也会对人听高音的能力产生永久性的影响，并且也有可能给他造成永久性的耳鸣。.
12 D 前一句讲的是噪音对听力的影响。句子所讲的是反复收听高音量的音乐会对听力产生同样的影响。
13 C 空格所填的词连接着一个主句和一个从句，而从句表示的又是主句的原因，因此不难做出选择。
14 A 文章最后一段是对前面所谈到内容的总结。前面分别提到了器械与音乐所产生的噪音，而此旬已经提及器械，因此接下来要选的应是与音乐有关的，即音乐会。
15 B 文章最后一句的意思是：听音乐时戴耳机是可以的，只是一定要确保音量不要太高，并且每过一段时间想着把耳机摘下来休息休息耳朵。once in a while是固定搭配，表示偶尔，有时的意思。