2015年职称英语考试理工类C级完形填空模拟(1)

　　You need a Nap

　　Medical experts say most Americans do not get __1__ sleep. They say more Americans need to rest for a short period in the middle of the day. They are advising people to sleep lightly before __2__ with other activities.

　　One study earlier this year found that persons who sleep for a few minutes during the day were less __3__ to die of disease. The study followed more than 2,300 Greek adults __4__ about six years. Adult who rested for half an hour __5__ three times a week had a 37 percent lower risk of dying from heart disease than those who did not nap.

　　Study organizers said the __6__ evidence was in working men. They said naps might improve health by mitigating tension caused by work.

　　Some European and Latin American businesses have supported the __7__ of napping for many years. They urge people to __8__ work, go home and have a nap before returning. In the United States, some companies let workers rest briefly in their offices. They believe this reduces in their offices. They believe this reduces __9__ and accidents, and also __10__ the amount of work a person can do.

　　Sleep experts say it is likely that people make more mistakes at work than at other times. They say people should not carry __11__ important duties when they feel sleepy. And they say the best thing to do is to take a nap. About twenty minutes of rest is __12__ you need. Experts say this provides extra energy and can increase your effectiveness __13__ the end of the day. But experts warn that a nap __14__ last no more than twenty to thirty minutes. A longer nap will put the　body into deep sleep2 and waking up3 will be __15__.

　　1　A　sweet B sound C sufficient D less

　　2　A　checking B sharing C continuing D meeting

　　3　A　lovely B likely C fondly D finely

　　4　A　for B at C in D with

　　5　A　at least B at most C at last D at first

　　6　A strongest B　biggest C　clearest D powerless

　　7　A　experiment B reform C idea D way

　　8　A change B　improve C repeat D　leave

　　9　A work B　mistakes C energy D time

　　10　A　increase B decrease C improve D low

　　11　A　about B out C off D away

　　12　A　all B few C any D nothing

　　13　A　unless B while C until D during

　　14　A　may B would C should D might

　　15　A　helpful B easy C difficult D happy

　　参考答案：

　　1. C　　2. C　　3. B　　4. A　　5. A

　　6. A　　7. C　　8. D　　9. B　　10. A

　　11. B　　12. A　　13. C　　14. C　15. C