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职称英语理工类阅读理解复习必备的练习题1

发布时间：2016-03-01 编辑：查字典英语网小编

　　Why is it that flying to New York from London will leave you feeling less tired than flying to London from New York? The answer may be a clear case of biology not being able to keep up with technology.

　　This body clocks programmes us to be sleepy twice a day, between 3-5am and again between 3-5pm. Afternoon tea and nap are all cultural responses to our natural biological sleepiness in the afternoon.

　　That is why traveling in a westward direction is more body-clock friendly than flying east. NASA studies of long haul pilots showed that westward travel was associated with significantly better sleep quan-tity and quality than eastward flights.

　　One of the more common complaints of travelers is that their sleep becomes disrupted. There aremany reasons for this: changing time zones and schedules, changing light and activity levels, trying tosleep when your body clock is programmed to be awake, disruption of the internal biological clock andworking longer hours.

　　So, our body clock truly can govern us.

　　A. enable us to sleep 6 hours a day

　　C. regulate the bodys functions

　　32. The word malady in Paragraph 4 is closest in meaning to.

　　B. discomfort

　　D. excitement

　　A. help you sleep better

　　C. shrink your day

　　34. Which of the following is NOT mentioned as a reason for the disrupted sleep of travelers?

　　B. Changing light and activity levels.

　　D. Watching out of the plane for a long time.

　　A. you can control your own body clock