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 secrets of sleep were a mystery for centuries simply because there was neither the means(51)them, nor the need. Only when ca
The secrets of sleep were a mystery for centuries simply because there was neither the means(51)them, nor the need. Only when ca
admin
2009-06-15
41
问题
The secrets of sleep were a mystery for centuries simply because there was neither the means(51)them, nor the need. Only when candles gave way(52)gaslight, and gas to electricity, when man became able to(53)night into day, and double his output by working shifts round the clock, did people seriously start wondering(54)sleep could possibly be a waste of time. Our ability to switch night into day is very recent, and it is(55)if we will ever(56)want, or be able to give up our habit of(57)a good night’s sleep.(58), a remarkable research project in London has already discovered a few people who actually enjoy insomnia. Even chronic insomniacs often get hours more sleep.(59)they think. But, by placing electric contact(60)the eyes and on the head, it is possible to check their complaint by studying the tiny currents we generate which(61)the different brainwaves of sleep and(62). This has shown that for some people seven or eight hours sleep a night are quite unnecessary.
(63)recent work has shown that(64)sleep is bad for you, so that if you are fortunate enough to be born with a body which needs only a small(65)of sleep, you may well be healthier and happier than someone who sleeps longer.
选项
A、wake
B、awake
C、wakeful
D、wakefulness
答案
D
解析
易知此处应填名词,故选D。
转载请注明原文地址:https://jikaoti.com/ti/378sFFFM
本试题收录于:
职称英语卫生类C级题库职称英语分类
0
职称英语卫生类C级
职称英语
相关试题推荐
Readthefollowingletterandcompletethegiveninformationform.Writeaword,phraseornumberinthespaces1-5.De
Readthefollowingpassageanddecidewhichanswerbestfitseachspace.Forquestions26~45,markoneletterA,B,CorDo
Recently,amanwhowasalwaysingoodhealth,spentaweekinbedwithsevereflu.Itwastheworstillnessinhislife.Thepr
1.Alotofpeoplebelievethattelevisionhasaharmfuleffectonchildren.Afewyearsago,thesamecriticismsweremadeoft
Wedidn’tenjoyourwalkalongtheseafrontbecauseitwassowindy.preventedThestrongwind____________________our
Joisarobottohelpthedisabledwithdailylife.Garycontrolsasmalllaserpointerbypressingthebuttons,
Itisridiculoustodisputeaboutsuchthings.
A.tofindjobsB.todolow-skilllobsC.tofeeditspeopleD.tohandledisputesE.tomakeaprofitF.toworryabouttheBr
随机试题
男性,28岁,黏液脓血便2年,伴里急后重感,查体:一般状态佳,左下腹轻度压痛,进一步做哪项检查最合适
甲公司向乙公司购买一台机器设备,合同约定,甲公司支付定金2万元,货款总额为20万元。由于甲公司急需该套设备,故双方对迟延履行特别约定了违约金。合同订立后,甲公司向乙公司支付了2万元定金,但乙公司未能在约定的期限内交付机器。致使甲公司遭受损失1万元,为此引起
下列关于司法拘留、行政拘留和刑事拘留的表述,哪一项是正确的?()
下列不属于建设项目业主方安全生产责任的是()。
某场道工程施工总承包合同额为880万元,工期为10个月。承包合同规定:(1)工程预付款的额度为15%。(2)工程预付款从未施工工程尚需的主要材料及构配件价值相当于工程预付款时起扣,每月以抵充工程款的方式陆续收回。主要材料及构件费比重按65%考虑。(3
某立交桥计划浇筑连续梁,使用的是商品混凝土,在浇筑前没有对此进行检验,结果在浇筑至1/3时发生了堵管现象,由于坍落度太低,混凝土不能及时从管中喷出,且由于已经浇筑完成的混凝土中的水泥初凝,导致了拟浇筑连续梁不能形成一个整体,造成了损失,这体现了()。
首次申请在香港创业板发行与上市的内地企业如具备24个月活跃业务记录,则市值不得少于()港元;如具备12个月活跃业务记录,则不得少于()港元。
()年国务院公布了《事业单位登记管理暂行条例》和《民办非企业单位登记管理暂行条例》,开始在全国范围内实施了国有和非国有的两类事业单位登记管理制度。
Speakingtwolanguagesratherthanjustonehasobviouspracticalbenefits.Inrecentyears,scientistshavebeguntoshowthat
Weallknowthatamagiciandoesnotreallydependon"magic"toperformhistrick.【C1】______onhisabilitytoactatgreats
最新回复
(
0
)