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
2012-10-23
38
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 mat 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 week-ends and holidays.
【C13】
选项
A、new
B、normal
C、temporary
D、favorite
答案
B
解析
根据句子前面的“revert to go back to”可知,此处指的是变回原来的正常作息习惯。
转载请注明原文地址:https://jikaoti.com/ti/UXHYFFFM
0
考博英语
相关试题推荐
Beforesittingfortheentranceexaminationforpost-graduatestudents,manycandidatestrytofamiliarizethemselveswiththef
MostpeoplewhodevelopLymedisease,atick-borneinfectionthat’sendemicinpartsoftheNortheastandMidwest,areeasilycu
The(militaryaspect)ofthe(UnitedStatesCivilWar)hasalwaysattractedthe(mostattention)(fromscholar).
Extraordinarycreativeactivityhasbeencharacterizedasrevolutionaryflyinginthefaceofwhatisestablishedandproducing
Beforethemid-nineteenthcentury,peopleintheUnitedStatesatemostfoodsonlyinseason.Drying,smoking,andsaltingcould
Whenwecreditthesuccessfulpeoplewithintelligence,physicalstrengthorgoodluck,wearemakingexcusesforourselvesbeca
TheU.S.dollaristraditionallythe______ofchoiceallovertheworldincaseofcrisis.
Signsofdeafnesshadgivenhimgreatanxietyasearlyas1798.Foralongtimehesuccessfullyconcealeditfromallbuthismo
Afterseveral______attemptstosendthemissileintospace,thespacecraftwasfinallylaunchedsuccessfully.
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
随机试题
10个月女婴,生后母乳喂养(其母以素食为主)。面色苍黄、不喜动2个月。查体:精神呆滞,面色黄,头发稀疏黄软,浅表淋巴结(-)。心尖部闻及2/6级收缩期杂音,肺(-),肝肋下0.5cm,脾未触及。外周血Hb58g/L,RBC2.5×1012/L,MCV96f
攻不通孔螺纹时,底孔深度要( )所需的螺孔深度。在丝锥上要做好深度标记,并经常退出丝锥,清除切屑。
在PC机中实现硬盘与主存之间数据传输的主要控制部件是中断控制器。()
下面哪一项与子宫肌瘤超声鉴别诊断最相关
左向右分流型先天性心脏病患儿,易发生肺炎的原因是
李某是期货监督管理机构的工作人员,在职期间,多次利用职务之便,侵吞国家资金100余万元。李某的行为构成()。
下列关于情绪的表述不正确的是()。
现金周转期,就是指介于公司支付现金与收到现金之间的时间段,下列会使现金周转期缩短的方式有()。
根据刊登在《自然》杂志上的一篇研究论文,美国一个眼科专家小组把带有“矫正基因”的病毒注射到两只色盲松鼠猴眼球里。几周之内,这些基因产生的一种蛋白质,令它们有生以来第一次看到了红色和绿色。这项研究显然让那些患有色盲及其他人类视觉疾病的病人看到了希望。以下哪项
A、 B、 C、 D、 B
最新回复
(
0
)