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  3. Oversleeping on Saturday after a few weeks of too little shuteye may feel refreshing, but it can give a false sense of security.

Oversleeping on Saturday after a few weeks of too little shuteye may feel refreshing, but it can give a false sense of security.

admin2012-06-20  29
问题     Oversleeping on Saturday after a few weeks of too little shuteye may feel refreshing, but it can give a false sense of security.
    New research shows【S1】______sleep loss cannot be cured that easily. Scientists studied the effects of short- and long-term sleep loss respectively and found that people with long-term sleep loss may function normally soon after waking up, but experience steadily slower reaction times as the day【S2】______on, even if they had tried to catch up the previous night.
    It is work with important safety【S3】______in an increasingly busy society, not just for shift-workers but for the【S4】______one in six Americans who regularly get six hours or less of sleep a night.
    "We know that staying awake 24 hours in a row impairs one’s performance to a level【S5】______to a blood-alcohol content beyond the legal limit to drive," said lead researcher Dr. Daniel Cohen of Boston’s Brigham and Women’s Hospital.
    The National Institutes of Health says adults need seven hours to nine hours of sleep for good health. Regularly getting too little sleep increases the risk of health problems, including memory impairment and a weakened【S6】______system. More immediately, too little sleep affects reaction times；sleepiness is to blame for car【S7】______and other accidents.
    It is【S8】______important for anyone who works "crazy hours" and thinks they are performing fine with a few hours of weeknight sleep, said Shelby Freedman Harris, behavioral sleep-medicine director at New York’s Montefiore Medical Center, who was not【S9】______with the new research. "Don’t think you can just【S10】______on your sleep on the weekend, because it doesn’t work that way," Harris warned.
A) acute F) crush K) wears
B) comparable G) chronic L) complement
C) degrade H) immune M) imparts
D) roughly I) involved N) crashes
E) critically J) bank O) implications
【S8】
选项
答案E
解析 副词辨析题。空格位于important之前，应填副词修饰important。句意为“这项研究对于那些自认为每天睡几个小时不会影响日常表现的‘工作狂’们来说——重要”，因此选critically“极为重要地”。
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