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The normal human daily cycle of activity is of some 7-8 hours’sleep【C1】______with some16~17 hours’wakefulness and that the sleep
The normal human daily cycle of activity is of some 7-8 hours’sleep【C1】______with some16~17 hours’wakefulness and that the sleep
admin
2013-02-09
6
问题
The normal human daily cycle of activity is of some 7-8 hours’sleep【C1】______with some16~17 hours’wakefulness and that the sleep normally coincides【C2】______the hours of darkness. Our present【C3】______is with how easily and to what extent this【C4】______can be modified.
The question is no mere academic one . The ease with【C5】______people can change from working in the day to working at night is a【C6】______of growing importance in industry where automation【C7】______round-the-clock working of machines. It normally【C8】______from five days to one week for a person to adapt to a【C9】______routine of sleep and wakefulness, sleeping【C10】______the day and working at night.【C11】______it is often the case in industry that shifts are changed every week. This【C12】______that no sooner has he got used to one routine【C13】______he has to change to another,【C14】______much of his time is spent neither working nor sleeping very【C15】______.
One answer would seem to be【C16】______periods on each shift, a month, or even three months. 【C17】______, recent research has shown that people on such systems will revert to go back to their【C18】______habits of sleep and wakefulness during the week-end and that this is quite enough to destroy any【C19】______to night work built up during the week. The only real solution appears to be to hand over the night shift to those permanent night workers whose【C20】______may persist through all weekends and holidays.
【C18】
选项
A、favourite
B、temporary
C、normal
D、new
答案
C
解析
本题考查形容词的用法。normal为“正常的”,此处指“在周末回到他们原来那种白天工作晚上睡觉的常规作息时间”。favorite意为“喜爱的”,temporary意为“短暂的,暂时的”均与原文意思不符,而且这句话里有go back to,从意思上理解不能选D,所以选C。
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0
考研英语一
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