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
71
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
【C9】
选项
答案
A
解析
the…of结构表明此处需填入名词。由后文We’ve found that…可知,研究专家做试验的目的是为了知道睡眠不足的后果,consequences指不太好的后果,故为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/6OT7777K
0
大学英语六级
相关试题推荐
KyleMaguirewantedtoattendtheUniversityofNebraskaassoonashegraduatedfromhighschoolyearsago.AnaspiringWebdev
AreTeenagersReallyCarelessAboutOnlinePrivacy?[A]Theyshare,like,everything.Howtheyfeelaboutasong,theirmathshom
AreTeenagersReallyCarelessAboutOnlinePrivacy?[A]Theyshare,like,everything.Howtheyfeelaboutasong,theirmathshom
PresidentBarackObama’spicktoheadtheEnvironmentalProtectionAgency(EPA),LisaJackson,hasspent20yearsasanenvironme
PresidentBarackObama’spicktoheadtheEnvironmentalProtectionAgency(EPA),LisaJackson,hasspent20yearsasanenvironme
A、Hisbackground.B、Hisproperty.C、Hisbelief.D、Histalent.C本题问的是什么给HowardWhite带来了好运。短文中提到,White认为自己很走运,他认为他的人生信仰是为他带来好运的主要因
Gulliverhasafriendwhorecentlygaveuphisjobtostudyfor"TheKnowledge",thenotoriouslydifficultprogrammethatLondo
Gulliverhasafriendwhorecentlygaveuphisjobtostudyfor"TheKnowledge",thenotoriouslydifficultprogrammethatLondo
Untilrecently,themedicalcommunitybelievedthatmosthearinglosswascausedbyhearcellsintheeardegradingasweage.B
随机试题
正当防卫
治疗阴虚发热,宜选用治疗肺热壅遏的咳喘,宜选用
根据《劳动合同法》,下列情形中,用人单位不得解除劳动者劳动合同的是()。
以下关于QDII基金的描述,不正确的是()。I.QDII基金的管理人可聘请境外投资顾问Ⅱ.QDII基金可单独或同时以人民币、美元等主要外币计算并披露净值信息Ⅲ.QDII基金一般直接由海外托管银行负责境内、境外资产的托管
生活中难免会遇到一些突发事件,我们要善于利用学过的知识,采取科学、有效的方法保护自己。如果发生了氯气泄漏,以下自救方法得当的是()。
①雪落在城外,也落在城内②温暖的房间里,有人用汤匙慢慢搅动一杯蜜汁③隔着结冰的河流,对岸是华灯灿烂的城市④杯勺碰撞的和声里,浓浓淡淡的花香冲逸开来,唤起多少鲜艳的回忆⑤蜜是花的情感,是融化的琥珀⑥这是白天从养蜂人那里买来的将以上6个句子重新排列
2011年1─8月,上海市接待“新马泰”游客()人次。
この建物の中ではどうぶつやことりを売っている。どうぶつ
Traditionalsuperstitionsandbeliefs【C1】______disappearaltogether;theyassumenewformsand【C2】______tocontemporarycond
Anewpartnerpushesouttwoclosefriendsonaverage,leavingloverswithasmallerinnercircleofpeopletheycanturntoin
最新回复
(
0
)