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
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the natio
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the natio
admin
2018-05-11
43
问题
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the nation. "I can’t think of a single study that hasn’t found Americans getting less sleep than they ought to." says Dr. David.
The beginning of our sleep deficit crisis can be【C1】______ to the invention of the light bulb a century ago. From diary entries and other personal【C2】______ from the 18th and 19th centuries, sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night. By the 1950s and 1960s, that sleep schedule had been reduced【C3】______ to between 7.5 and 8 hours, and most people had to wake to an alarm clock. "People cheat on their sleep, and they don’t even【C4】______ they’re doing it," says Dr. David. "They think they’re okay because they can get by on 6.5 hours, when they really need 7.5, 8 or even more to feel ideally【C5】______
Perhaps the most merciless robber of sleep, researchers say, is the【C6】______ of the day. Whenever pressures from work, family, friends and community mount, many people consider sleep the least【C7】______ item on the agenda. "In our society, you’re considered dynamic if you say you only need 5.5 hours’ sleep. If you say you’ve got to get 8.5 hours, people think you lack【C8】______ and ambition."
To assess the【C9】______ of sleep deficit, researchers have put subjects through a set of psychological and performance tests. "We’ve found that if you’re sleep-deprived, performance【C10】______ says Dr. David. "Short-term memory is impaired, as are abilities to make decisions and to concentrate."
A) consequences B) complexity C) ingenious D) dramatically
E) suffers F) tracked G) realize H) expensive
I) slightly J) traced K) detaches L) vigorous
M) inspiration N) accounts O) drive
【C6】
选项
答案
B
解析
the…of结构表明此处需填入名词。由下文“来自工作、家庭、朋友及社会的压力”,可知填入的名词表消极含义,故complexity“错综复杂”符合句意,表示睡眠被无情夺走的原因是每天各种错综复杂的事务。
转载请注明原文地址:https://kaotiyun.com/show/2OT7777K
0
大学英语六级
相关试题推荐
KyleMaguirewantedtoattendtheUniversityofNebraskaassoonashegraduatedfromhighschoolyearsago.AnaspiringWebdev
A、Entrancefeesforpublicparks.B、Thirdparties’useofpublicparks.C、Costsofmaintainingpublicparks.D、Behaviorsofdogs
AreTeenagersReallyCarelessAboutOnlinePrivacy?[A]Theyshare,like,everything.Howtheyfeelaboutasong,theirmathshom
AreTeenagersReallyCarelessAboutOnlinePrivacy?[A]Theyshare,like,everything.Howtheyfeelaboutasong,theirmathshom
A、Itslowpurchaseprice.B、Itswideavailability.C、Itsgoodnutritionalvalue.D、Itshighwatercontent.C①选项都是表示积极信息的名词短语,推测题
PresidentBarackObama’spicktoheadtheEnvironmentalProtectionAgency(EPA),LisaJackson,hasspent20yearsasanenvironme
A、Theirfavoriteplayers.B、Theircareers.C、Theirfamily.D、Theirrecentlife.A男士提到男女在谈话方面的差异时,举了例子——在球赛中,他们的谈话内容会围绕运动员和比赛进程,别
A、Itoffersawardtowinnerstostarttheirbusiness.B、Itistargetedatteenagersandyoungadults.C、Ithelpscreateachanne
A、Individualbehaviorandgroupbehavior.B、Politicalandeconomicstatus.C、Educationandincome.D、Environmentandmedicaltre
Gulliverhasafriendwhorecentlygaveuphisjobtostudyfor"TheKnowledge",thenotoriouslydifficultprogrammethatLondo
随机试题
把一项工作或项目分成各种作业,然后根据作业顺序进行排列,通过对整个工作或项目进行统筹规划和控制,以便用最少的人力、物力、财力资源,以最快的速度完成工作的方法是()
患者,女,34岁。初次怀孕,孕16周出现心慌、气短,经检查发现心功能Ⅱ级。经过增加产前检查次数,严密监测孕期经过等,目前孕37周,自然临产。该产妇在分娩期护理正确的是
关于骨折中期功能锻炼的叙述中,正确的是
A.腹股沟斜疝B.腹股沟直疝C.股疝D.脐疝E.切口疝最常见的腹外疝是
背景资料:某项目部承揽了一项光缆直埋工程,光缆主要沿国道边水田敷设,沿途与其他地下管线有多处交越。为避免交越施工时损坏原有管线,项目部详细了解交越处具体情况并制定了安全防护措施,联系管线产权单位,说明情况并希望产权单位安排人员现场配合。
工程进度款的计算主要涉及()。
下列关于仓单的效力的说法,错误的是()。
下列事项中,不属于企业收入的是()。
甲公司和A公司适用的所得税税率均为25%。甲公司与A公司2×16年度有关资料如下:(1)甲公司2×16年1月1日发行股票10000万股取得A公司70%的股权,并能够对A公司实施控制。甲公司普通股股票每股面值为1元,发行日每股市价为2.95元,甲公司另支付
在间接融资中,资金供求双方并不形成直接的债权和债务关系,而是分别与金融机构形成债权债务关系。()
最新回复
(
0
)