2. 职称英语
  3. A. so that B. preference C. normal D. circle E.

A. so that B. preference C. normal D. circle E.

游客2024-08-30  19
问题     A. so that        B. preference        C. normal        D. circle        E. calls for
    F. problem        G. longer            H. cycle         I. matter        J. illustrates
    K. hand over      L. formal            M. reversed      N. habit         O. means
    The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sleep normally coincides with the hours of darkness. Our present concern is how easily and to what extent this【C1】________can be modified.
    The question is not merely an academic one. The ease with which people can change from working in the day to working at night is a【C2】________ of growing importance in industry where automation【C3】________ round-the-clock working of machines. It normally takes from five days to one week for a person to adapt to a【C4】________routine of sleep and wakefulness, sleeping during the day and working at night. Unfortunately, it is often the case in industry that shifts are changed every week. This【C5】________ that no sooner has he got used to one routine than he has to change to another,【C6】________much of his time is spent neither working nor sleeping very efficiently.
    One answer would seem to be【C7】________periods on each shift, a month, or even three months. However, recent research has shown that people on such systems will go back to their【C8】________ habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any adaptation to night work built up during the week. The only real solution appears to be to【C9】________the night shift to those permanent night workers whose【C10】________ may persist through all weekends and holidays. [br] 【C6】
选项
答案 A
解析 分析句子结构，空格所在分句句子结构完整，因此推断空格处应填入连词。空格后的“大部分时间既不能高效地工作也不能安稳地睡觉”是空格前“刚适应一种生活规律时又不得不转换成另一种”导致的结果，故选词库中的so that“以至于”。
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