题目内容：
根据下列文章,请回答题。Can Loud Music Cause Hearing Impairment(损伤)?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 tong 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’re been_________6)to loud．noise for only 15 minutes．If you have temporary hearing IOSS，you won’t be able to hear as_________(7) as you normally can，and．you may have tinnitus(耳鸣)，whiCh is a fancy Word．for ringing in the ears．Your ears can fell 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(割草机)and．power tools can permanently_________ (11)A person’s ability to hear high—pitched．noises and．can also give hi限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． A．of
B．for
C．at
D．on
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