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 of some 7~8 hours’sleep alternation with some 16—17 hours’ wakefulness and that the
The normal human daily cycle of activity is of some 7~8 hours’sleep alternation with some 16—17 hours’ wakefulness and that the
admin
2021-06-15
65
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 very【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 weekend 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.
【C2】
选项
A、cycle
B、period
C、circle
D、round
答案
A
解析
此处应选择A。根据句子中的指示代词this可知,其后所接单词应该是前面提到过的事物。根据句意判断,应该是cycle。
转载请注明原文地址:https://kaotiyun.com/show/3VTO777K
0
考博英语
相关试题推荐
IndustrialproductionmanagerscoordinatetheresourcesandactivitiesrequiredtoproducemillionsofgoodseveryyearintheU
Awonderdrugwas______fromthiscommonherbasacuretorcancer.(2007年中国矿业大学考博试题)
ThecompanythatJoanworksforis______withanautomotivecompany,soshecangetadiscountonanewcar.(2014年北京航空航天大学考博试题)
The______ofaccidentsonthatroadgivesthedoctorsalotofwork.
It’susuallythecasethatpeopleseldombehaveina______waywheninafuriousstate.
Manyskiers______aroundthefireanddrinkhotchocolateintheevenings.(2003年中国社会科学院考博试题)
Advancedmammalssuchasmonkeys,apesandhumanshavebrains______fromancestorsthattooktolivinginthetrees.(2004年武汉大学考
ThemiserablefateofEnron’semployeeswillbealandmarkinbusinesshistory,oneofthoseawfuleventsthateveryoneagreesm
Itisallverywelltoblametrafficjams,thecostofpetrolandthequickpaceofmodernlife,butmannersontheroadsarebe
Hisfailurewas______hisnotlisteningtoothers’advice.
随机试题
护患沟通的首要原则是
某化工厂排放的废水流入某湖后,发生大量鱼类死亡事件。在是否承担赔偿责任问题上,该化工厂的哪些抗辩理由即使有证据支持也不能成立?
安全管理目标不包括( )。
下列不属于金融市场的基本要素的是()。
下列选项中,可以质押的是()。
文饰作用是指人们在受挫折后会想出各种理由原谅自己,为自己的失败辩解的现象。根据上述定义,下列现象不属于文饰作用的是:
(2003年试题,一)曲面z=x2+y2与平面2x+4y一z=0平行的切平面的方程是________________。
【S1】【S3】
TASKONE—DOS•Forquestions13—17,matchtheextractswiththedos,listedA—H.•Foreachextract,choosetheappropriatewayst
A、Itincreasesenormously.B、Itdecreasessharply.C、Itremainsunchanged.D、Itincreasesslowly.A
最新回复
(
0
)