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  3. Studies of the effect that makes many of us slumber or feel sleepy during the Queen’s speech on Christmas Day have revealed that

Studies of the effect that makes many of us slumber or feel sleepy during the Queen’s speech on Christmas Day have revealed that

admin2012-06-20  75
问题     Studies of the effect that makes many of us slumber or feel sleepy during the Queen’s speech on Christmas Day have revealed that changes may be required in Britain’s drink drive legislation.
    Dr. James Horne, director of the Sleep Research Laboratory at Loughborough University, is investigating post-lunch sleepiness. "We humans are designed to sleep twice a day, once at night and a short nap after lunch, but in this part of the world we tend to repress that."
    It is a remnant (剩余的) of the same primeval (原始的) programming that makes all animals in the bush rest in the hot afternoon sun to conserve energy.
    "Hot environments make it worse and many cultures living near the equator," says Dr. Horne, "have conceded to the inevitable, where the afternoon siesta is the way of life."
    In this study Dr. Home has been investigating the role of alcohol. "The theory is that if you are more often sleepy after lunch then it figures that alcohol will be more potent after lunch. One would figure then that a pint of beer at lunchtime has more effect than in the evening, when people are more alert. Indeed, we find that it has about twice the effect."
    This has more sinister (险恶的) implications. "If people take alcohol up to the legal driving limit, their performance is seriously impaired after lunch," he said.
    It seems that alcohol interacts with the circadian rhythm of sleep to cause afternoon sleepiness, so that one pint at lunchtime is equivalent, in effect, to a quart in the evening.
    "For this reason, most drivers ought not to drink at all at lunchtime and the legal blood alcohol limit is no guide to ’safe’ driving here," said Dr. Horne.
    For those who wish to enjoy the Queen’s speech, Dr. Home recommends mild exercise, a small amount of cold air or cold water on the face, or a cup of coffee. Otherwise, take a catnap. But this should be less than 15 minutes, otherwise, sleep really sets in and one can wake up feeling very tired and far sleepier than to begin with.
It is implied in the passage that British people______.
选项 A、don’t take a short nap after lunch
B、like to sleep twice a day
C、don’t feel sleepy after lunch
D、like to have a quick nap after lunch
答案A
解析 第二段Dr．James Home提到，…but in this part of the world we tend to repress that，that指代Wehumans are designed to sleep twice a day。repress意为“压制”，由此可知，英国人午饭后不睡觉，故答案为[A]。
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大学英语四级

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