首页
登录
职称英语
The normal human daily cycle of activity is of some 7-8 hours’ sleep alterna
The normal human daily cycle of activity is of some 7-8 hours’ sleep alterna
游客
2025-04-20
38
管理
问题
The normal human daily cycle of activity is of some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sleep normally coincides【C1】______the hours of darkness. Our present concern is with how easily and to what extent this【C2】______can be modified.
The question is no mere academic one. The ease with which people can change from working in the day to working at night is a【C3】______of growing importance in industry where automation【C4】______round-the-clock working of machines. It normally【C5】______form five days to one week for a person to adapt to a【C6】______routine of sleep and wakefulness, sleeping during the day and working at night. 【C7】______, it is often the case in industry that shifts are changed every week. This means that no sooner has he got used to one routine【C8】______he has to change to another, 【C9】______much of his time is spent neither working nor sleeping every 【C10】______. One answer would seem to be【C11】______periods on each shift, a month, or even three months. 【C12】______recent research has shown that people on such systems will revert to go back to their【C13】______habits to sleep and wakefulness during the week-end and that this is quite enough to destroy any【C14】______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【C15】______may persist through all weekends and holidays. [br] 【C12】
选项
A、So
B、In short
C、Similarly
D、However
答案
D
解析
此处应选择D。根据前后句子的意思可知,此处表示转折,所以用However。
转载请注明原文地址:https://tihaiku.com/zcyy/4046503.html
相关试题推荐
______isoftenthecasewithanewidea,muchpreliminaryactivityandoptimisti
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Thenormalhumandailycycleofactivityisofsome7-8hours’sleepalterna
Duringthenormaldevelopmentofself,achildisaffectedbycertaininflue
随机试题
Ididn’tsleepwellbecausethetapinthebathroomwas______.A、drainingB、drop
Check-inRequirementsPassengersandtheirbaggagemustbecheckedinatlea
患者女,65岁,近半年反复出现头痛头晕,今晨在突然转头时感眩晕耳鸣,恶心呕吐,摔
女性,20岁,腹泻2个月,每日4~5次。粪便呈暗红色,有粪质带血或粘液,有腥臭味
小张硕士毕业后,准备前往美国自费攻读博士学位。在他取得前往美国的入境签证之前,他
下列说法错误的是()A.震颤都是病理性的 B.血压过高和过低都不好 C
已知向量a和b,|a|=3,|b|=2,a⊥b,则(a+2b)(a-b)的值是
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
学校德育的功能有()。 A.社会性功能B.个体性功能 C.教育性功能D
价差预备费以()为计算基数。A、建筑安装工程费.工程建设其他费之和 B、设备
最新回复
(
0
)