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
2017-03-25
28
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/7qGO777K
0
考博英语
相关试题推荐
Ahundredyearsagoitwasassumedandscientifically"proved"byeconomiststhatthelawsofsocietymadeitnecessarytohave
Upuntiltheageof18,Ireadverylittle.I【C1】______myselftowhatwasnecessaryforasecondary-school【C2】______Iwasalways
73.5percentofmajorU.S.firmsreportthattheyrecordandreviewtheiremployees’communicationsandactivitiesonthejob.
ThelegendofPaulRevere’smidnightridethroughtheMassachusettscountrysidein1775isknowntomostAmericans,youngandol
Communicationorallyinvolvesmorethanreadingortalking:gesture,posture,movementsmayallbe______toit.
It’saseriouscrimethatpeople____goodsoutofChinatoavoidpayingcustomsduty.
Ourpresentgenerationofculturalcritics,arrivingaftertheassaultofpostmodernismandtheincreasinglywidespreadcommerci
Sincetheearlynineties,thetrendinmostbusinesseshasbeentowardon-demand,always-availableproductsandservicesthatsuit
Yoga,theancientpracticeofpostures,breathingandmeditation,isgainingalotofattentionfromthematerialworldthatits
Thejudgeremainedsoberdespitethelawyer’sludicrousattempttoprovethedefendant’sinnocence.
随机试题
巩膜最厚处为
下列哪种说法对胃溃疡是正确的
教师通过口头语言系统连贯地向学生传授知识的方法是()
以下()体现了运动是物质的固有属性和存在方式。
根据下列材料,回答以下问题2011年1~5月,国有企业累计实现营业总收入141450.7亿元,同比增长24.3%。中央企业(包括中央管理企业和部门所属企业,下同)累计实现营业总收入90572.8亿元,同比增长24%。其中,中央管理企业累计实现营业
A.ThatisthecasewithZhangjiajiewherewatersandmountainscanbeseentogethereverywhereB.WhatmakeZhangjiajieunique
RAM的特点是______。A.断电后,存储在其内的数据将会丢失B.存储在其内的数据将永久保存C.用户只能读出数据,但不能写入数据D.容量大,但是存取速度慢
电梯群控系统由楼层控制器、电梯轿箱控制器、电机房控制器和中央控制子系统组成,其中电梯轿箱控制器的基本功能要求如下:a、需要若干个对应楼层的按键和开门、关门、紧急呼叫等功能按键,用户可同时按下若干个楼层按键。需要用7段LED显示器显示电梯所运行到的楼层。
在公钥密码体系中,下面哪个(些)是可以公开的________。Ⅰ.加密算法Ⅱ.公钥Ⅲ.私钥
下列是重载乘法运算符的函数原型声明,其中错误的是()。
最新回复
(
0
)