阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上。
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_________(51) 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_________(52)temporary or permanent hearing loss．
Extremely loud music and noises that go on for long periods of_________(53) are common causes of deafness．If a noise is so loud that you have to shout to make yoursef _________(54)，there is a_________(55)that the mechanism inside your ear can be injured.
Temporary hearing loss can happen after you’ve been _________ (56) to loud noise for only 15 minutes．If you have temporary hearing loss, you won’t be able to hear as_________(57) as you normally can，and you may have tinnitus (耳鸣)，which is a fancy word for ringing in the ears．Your ears call feel“full”，too. _________(58)， these things usually go away and your hearing soon return to normal．
Permanent hearing loss can happen when，someone is exposed to loud noise _________(59)and over．Construction workers and people who work in factories must_________(60)ear protectors because the equipment they use can be extremely loud．
But even some lawn mowers(割草机)and power tools can permanently _________(61) a person’s 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 person’s________(62)．And using headphones on a portable cassette or CD player can be dangerous_________(63)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 wit
