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
2016-04-30
63
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/UkG7777K
0
大学英语六级
相关试题推荐
Accordingtoarecentsurvey,inthelastfewyears,quiteanumberofyoungpeoplehavechosentoquittheirdemandingbuthigh
Peopletendtounderestimatetheirlifeexpectancy,andit’snotsurprising.It’sthelook-aroundproblemagain:You【C1】______fr
HowCouldYourHobbyBetheKeytoFinancialSuccess?A)Virtuallyeveryonehastheknowledgetheyneedtomakeafortune.Everyo
A、Studentandteacher.B、Patientanddoctor.C、Waitressandcustomer.D、Clientandlawyer.D推理题。女士问男士她是否应该起诉这家公司,男士认为可以庭外和解,由此可以
Theestimatesofthenumbersofhome-schooledchildrenvarywidely.TheU.S.DepartmentofEducationestimatesthereare250,00
ImprovingthebalancebetweentheworkingpartofthedayandtherestofitisagoalofagrowingnumberofworkersinrichWe
It’smyhonortobeheretonight.OurorganizationiscalledtheNoiseAbatementSocietythatmonitorsandtriestodealwit
It’smyhonortobeheretonight.OurorganizationiscalledtheNoiseAbatementSocietythatmonitorsandtriestodealwit
A、Inalaboratory.B、Ataparty.C、Inasupermarket.D、Inagarden.D
A、Theshoppingcenterisfloodedwithpeople.B、Theywillcometothemallsomeotherday.C、Parkinginthiscityisahorrible
随机试题
张家界卞毓方张家界绝对有资格问鼎诺贝尔文学奖,假如有人把她的大美翻译成人类通用的语言。鬼斧神工,天机独运。别处的山,都是
A.表热证B.表寒证C.里热证D.表虚证发热重恶寒轻,头痛咽痛,口微渴,苔薄色黄白相兼,脉浮数,为
治疗胆绞痛宜选用
长于温中散寒,用于脾胃寒证,症见脘腹冷痛、呕吐、泄泻等,宜选用
(2008、2009年)工程建设监理单位的工作内容,下列哪条是正确的?()
下列各项中,关于存货清查的说法正确的有()。
减免税的形式有多种,下列属于税率式减免的是()。
医疗纠纷并非中国所独有。事实上,从现代医学诞生的那天起,医疗纠纷便如影随形,只不过,在发达的西方国家,经历数百年发展,已经形成了一整套与政治、经济、法律体制相适应的医患关系,双方受到必要的约束,也便减少了纠纷发展成社会暴力的几率。但这并不能掩盖在现代医学中
A.始发期B.早期病变期C.进展期D.病损确立期E.静止期结合上皮继续向根增殖,形成较浅的牙周袋,尚未见明显的牙槽骨吸收的是()。
Widespreadadoptionofplug-inelectricvehiclescoulddramaticallycutgreenhousegaspollutionandreduceU.S.dependenceonf
最新回复
(
0
)