2. 职称英语
  3. Studies of the effect that makes many of us slumber or feel sleepy during th

Studies of the effect that makes many of us slumber or feel sleepy during th

游客2024-02-20  38
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. [br] Which of the following is not mentioned as the reason for animals’ resting in the hot afternoon?
选项 A、The need to stay awake in the evening.
B、The remaining part of the primitive programming.
C、The need to save energy.
D、The hot living environment.
答案 A
解析 第三段提到It is a remnant(剩余的)of the same primeval(原始的)programming…in the hotafternoon sun to conserve energy，[B]中的primitive programming对应该句中的primeval programming；[C]中的save energy对应conserve energy；[D]中的hot living environment对应hot afternoon。根据题干中提到的notmentioned可排除这三项。[A]The need to stay awake in the evening并未在文中提到，故为答案。
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