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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 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（耳鸣）,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（割草机）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.
_________(15)
A.each
B.every
C.all
D.for
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Music and Driving
Listening to loud music while driving can seriously hamper reaction times and cause accidents,new research suggests.
A Canadian study found people took up to 20% longer to perform physical and mental tasks to loud music .If motorists were delayed that long at the wheel they could suffer a fatal crash, warned the RAG Foundation,a British motoring organization.Edmund King,the RAC
Foundation's executive director,said the study showed that"not only is loud music a nuisance to other,it could also be the cause of accidents".
Earlier research by the RAG Foundation found drivers were twice as likely to skip a red light while listening to music.In the Canadian study volunteers carried out tasks while listening to levels of noise varying from 53 decibels(equivalent to an office environment)to 95 decibels(equivalent to an oil rig).Researchers found reactions to be significantly decreased at higher noise levels for both physical and mental work.At 95 decibels reaction times to tasks that involve decision making plummeted（骤然减少）by 20%.Edmund King said:" The findings of the Canadian study are bad news for decibel-loving drivers,as they prove that not only is loud music a nuisance to others,it could also be the cause of accidents on the roads."Drivers are at even greater risk if they listen to music with a pounding beat rather than more relaxed tunes,according to experts.
Conrad King,consultant psychologist to the foundation,said:"It is important that drivers choose their music carefully when driving,as up-tempo music has been shown to cause drivers to have double the amount of accidents as those listening to slower music."In general,if music is ahove 60 beats per minute,listeners experience a faster rate and increased blood pressure."It doesn't matter if you listen to opera,classical or the latest rave music.It's the speed of the beat that counts."
It can be concluded that speed of the beat is the most important criterion when choosing the music for a driver.
A.Right
B.Wrong
C.Not mentioned
