第6部分：完形填空

　　閱讀下面的短文，文中有15處空白，每處空白給出了4個選項，請根據(jù)短文的內(nèi)容從4個選項中選擇1個最佳答案。

Can Loud Music Cause Hearing Impairment （損傷）?

　　Have you ever gone to a concert and realized that your seats were right next to the booming speakers? Are you guilty （1） turning, up the volume on your portable cassette or CD player to drown out the whining （哭哭啼啼） of your little brother?

　　Sometimes it's difficult to avoid loud music or noises, but they can be bad news because loud noises can （2） temporary or permanent hearing loss.

　　Extremely loud music and noises that go on for long periods of （3） are common causes of deafness. If a noise is so loud that you have to shout to make yourself （4）, there is a （5） that the mechanism inside your ear can be injured.

　　Temporary hearing loss can happen after you've been （6） to loud noise for only 15 minutes. If you have temporary hearing loss, you won't be able to hear as （7） as you normally can, and you may have tinnitus （耳鳴）, which is a fancy word for ringing in the ears. Your ears can feel "full", too. （8）, these things usually go away and your hearing soon returns to normal.

　　Permanent hearing loss can happen when someone is exposed to loud noise （9） 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 mowers （割草機） and power tools can permanently （11） a person's ability to hear high-pitched noises and can also give him permanent tinnitus. Listening to extremely loud music over and over can also have the same effect on a person's （12）. And using headphones on a portable cassette or CD player can be dangerous （13） 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 ear protectors when working with machinery and earplugs when going to a （14）. Headphones are OK to wear when you're listening to music; just be sure the volume isn't too high, and give them a rest （15） once in a while.

　　1 A of B for C at Don

　　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 expressed C 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 meeting D mall

　　15 A each B every C all D for

　　 同時按下Crtl鍵和A鍵查看答案