首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sl
The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sl
admin
2013-11-10
31
问题
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(1)_____ the hours of darkness. Our present concern is how easily and to what extent this(2)_____ 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(3)_____ of growing importance in industry where automation (4)_____ round-the-clock working of machines. It normally(5)_____ from five days to one week for a person to adapt to a(6)_____ routine of sleep and wakefulness,(7)_____ during the day and working at night.(8)_____, it is often the case in industry that shifts are changed every week. This (9)_____ that no sooner has he got used to one routine(10)_____ he has to change to another, (11)_____ much of his time is spent neither working nor sleeping very(12)_____.
One answer would seem to be(13)_____ periods on each shift, a month, or(14)_____ three months.(15)______, recent research has shown (16)_____ people on such systems will go back to their(17)_____ habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any(18)_____ to night work built up during the week. The only real solution appears to be to(19)_____ the night shift to those permanent night workers whose(20)_____ may persist through all week-ends and holidays.
(7)
选项
A、sleeping
B、eating
C、sporting
D、thinking
答案
A
解析
空格后说“晚上工作”,那对应的是“白天睡觉”,因此选sleeping“睡觉”。
转载请注明原文地址:https://kaotiyun.com/show/akGK777K
0
专业英语四级
相关试题推荐
Thewomanwas______beforewhenexamswerecoming.
Peopletaking"do-it-yourself"asawayoflifemaydothefollowingthingsEXCEPT
Peopletaking"do-it-yourself"asawayoflifemaydothefollowingthingsEXCEPT
Beforehistrip,themanneedstodothefollowingthingsEXCEPT
AmassiveearthquakestruckHaitijustbefore5p.m.onJan.12,about10milessouthwestofPort-au-Prince,thecountry’scapit
Acutelittlefemaleaboutsixincheshigh,withwingsandaprettydressistheusualdescriptionpeoplegiveifyouaskthemw
_________youdecidetospendyourtime,onethingiscertain:you’llarriveatyourdestination.
1ThemenandwomenofAnglo-SaxonEnglandnormallyboreonenameonly.Distinguishingepithetswererarelyadded.Thesemigh
Decidewhichofthechoicesgivenbelowwouldbestcompletethepassageifinsertedinthecorrespondingblanks.Formanype
WhichofthefollowinggiftsmaybeonanormalChristmaswishlist?
随机试题
在其他因素,如酶浓度、pH值、温度等不变的情况下,底物浓度的变化与酶促反应速度之间呈矩形双曲线关系,称米氏曲线。当反应速度为最大反应速度一半时,所对应的底物浓度即是
丙型肝炎的主要传播途径是
肝在体合_________,开窍于_________。
外商A公司与中方B公司拟组建中外合资经营企业,合资经营企业的投资总额为3600万美元,其可行性研究报告应当由()审批。
计算机的应用领域包括()。
下列不属于资产的基本特征的是( )。
被誉为“奇山异水,天下独绝”,是中国东部的“黄金旅游线”。这是指()。
教师通过对自己的教学进行自我观察、自我监控、自我调节、自我评价后提出一系列问题,以促进自身反思能力提高的方法属于()。
2017年11月3日,国务院通过了国家卫计委关于“设立中国医师节”的申请,同意自2018年起,将每年()设立为“中国医师节”。
家庭教育不能通过简单地复制粘贴完成,每个家庭都存在着不同的问题,找到问题所在,__________才是关键,而阅读作为“终身学习的基础,基础教育的灵魂”,__________能使孩子通过自主学习,获取新知识.提升能力;家长也能通过阅读学习到更合适的教育.沟
最新回复
(
0
)