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
81
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://kaotiyun.com/show/lZ2d777K
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
Readthefollowingletterandcompletethegiveninformationform.Writeaword,phraseornumberinthespaces1-5.De
Readthefollowingpassageanddecidewhichanswerbestfitseachspace.Forquestions26~45,markoneletterA,B,CorDo
Therearemanydifferentreasonswhyfashionissuchapowerfulculturalandeconomicinfluenceindevelopedsocietiesatthebe
1.Alotofpeoplebelievethattelevisionhasaharmfuleffectonchildren.Afewyearsago,thesamecriticismsweremadeoft
Wedidn’tenjoyourwalkalongtheseafrontbecauseitwassowindy.preventedThestrongwind____________________our
Youaregoingtoreadanarticleabouttheeffectofadvertisingonchildren.Forquestions22-35,choosefromthesectionsof
Claireaccidentallydamagedmybook.meanClaire____________________mybook.
Joisarobottohelpthedisabledwithdailylife.It’sveryexpensivetohireJo.
Joisarobottohelpthedisabledwithdailylife.JocancookforGary.
随机试题
甲在乙处修理汽车,因修理费未带足,遂将自己的一块手表放在乙处,约定第二天付清修理费后再把手表取走。乙占有该手表的依据是()
关于室间隔缺损的心脏听诊,以下哪项是错误的
A、妊娠49天以前B、妊娠10周内C、妊娠10~14周D、妊娠15~24周E、妊娠14~28周依沙吖啶引产术适用于
有关肺癌合并孤立性脑转移,较常采用的治疗措施是
属于健康的护理诊断的是
庭审过程中,被告人赵某指出,公诉人的书记员李某曾在侦查阶段担任鉴定人,并据此要求李某回避。对于赵某的回避申请,下列哪一选项是正确的?()(2007年司考,卷二,第34题)
《水利水电工程标准施工招标文件》(2009年版),下列不属于合同文件组成部分的是()。
根据下列材料。回答以下问题。随着基础设施建设不断加快,公路路网日益优化和城乡居民收入水平的提高,某省各类民用车辆拥有量保持稳步增长。至2012年年末,全省民用车(汽车、电车、摩托车、拖拉机、挂车和其他类型车等六类车)拥有量为862.70万/辆,比上年增长
A.下颌角下2cm绕下颌角弧形切口B.口内翼下颌皱襞内侧纵形切口C.下颌骨下缘上2cm作平行切口D.口内翼下颌皱襞处横形切口E.下颌骨下缘下1~1.5cm作平行切口咬肌间隙脓肿应作()。
类比二分搜索算法,设计k分搜索算法(k为大于2的整数)如下:首先检查n/k处(n为被搜索集合的元素个数)的元素是否等于要搜索的值,然后检查2n/k处的元素,……,这样,或者找到要搜索的元素,或者把集合缩小到原来的1/k;如果未找到要搜索的元素,则继续在得到
最新回复
(
0
)