时间:2012-10-29 21:07:38
It is even harder for children to avoid secondhand smoke.______(49)Research shows that children who are exposed to secondhand smoke are sick more often than children who live in homes where no one smokes and that the children of smokers are more than twice as likely to develop lung cancer when they are adults as are children of nonsmokers．The risk is even higher for children who live in homes where both parents smoke．
People are becoming very aware of the dangers of secondhand smoke.______(50)
A．Recently，though，scientists changed their opinion after they studied a large group of nonsmokers．
B．The Gilsons have been married for 35 years．
C．This smoke is called secondhand smoke．
D．However, secondhand smoke is dangerous to all people，old or young．
E．As a result，they have passed laws which prohibit people from smoking in many public places．
F．In the United States，nine million children under the age of five live in homes with at least one smoker
参考答案：
46.47C 48A 49F 50E
2004年职称英语卫生类A级考试试题及答案
第6部分：完形填空
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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 _____(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 yourself_____(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 returns 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 with machinery and earplugs when going to a _____(64).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 once in a while．
51 A of B for C at D on
52 A have B take C cause D tap
53 A course B length C state D time
54 A heard B appreciated C tracked D welcomed
55 A luck B point C chance D sense
56 A exposed B expressed C carried D reflected
57 A good B well C regularly D stable
58 A Unfortunately B Accordingly C Luckily D Unexpectedly
59 A over B once C again D away
60 A hear B bear C wear D tear
61 A affect B effect C enforce D present
62 A scope B attitude C survey D hearing
63 A whereas B although C because D unless
64 A concert B factory C meting D mall
65 A each B every C all D for
参考答案：
51 A 52.C
53 D 54.A 56.A 57.B 58.C 59 A 60 C 61.A 62.D
63.C 64.A 65 B