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
Why is it so difficult to fall asleep when you are overtired? There is no one answer that(1)______ to every individual. But many
Why is it so difficult to fall asleep when you are overtired? There is no one answer that(1)______ to every individual. But many
admin
2013-12-13
26
问题
Why is it so difficult to fall asleep when you are overtired? There is no one answer that(1)______ to every individual. But many people fail to note the(2)______ between fatigue — physical tiredness — and sleepiness, the inability to(3)______ awake. It is possible to feel tired(4)______ and still be unable to fall asleep, because while your body may be exhausted, you don’t feel(5)______. To fall asleep, you need adequate time to unwind, (6)______ you feel fatigued, not so easy to(7)______ "turn off."
According to Carl E. Hunt, director of the National Center on Sleep Disorders Research in Bethesda, Maryland, most people do not allow themselves(8)_____ deceleration.
Lack of sleep(9)______ matters even more. Experts say adults need at least 7 to 8 hours of sleep a night to (10)______ properly. When you get less sleep than(11)______ on consecutive nights, you begin to accrue "sleep debt".(12)______ sleep debt increases and functionality decreases, your body experiences a stress response and begins to release adrenaline. Now a vicious(13)______ has been created: You experience the feeling of being more and more tired,(14)______ your body is increasingly stimulated. Power sleeping for more hours on weekends is only a(15)______ solution. "There is no(16)______ for getting a good night’s sleep on a(17)______ basis," says Hunt.
Most of us,(18)______, don’t get the sleep we need. According to the 2002 National Sleep Foundation, Americans sleep a(n)(19)______ of 6.9 hours per night during the week, and 58 percent of adults experience (20)______ of insomnia a few nights a week or more.
(11)
选项
A、what
B、which
C、that
D、one
答案
C
解析
语法题。本句表达的意思是:如果你连续数晚睡眠都少于……,你就要开始负上“睡眠债”,由此推知,空白处应填入一个代词,指上文提到的7—8个小时,故C正确。A、B两项均不能作指示代词,D项one为不定代词。
转载请注明原文地址:https://kaotiyun.com/show/cTFK777K
0
专业英语四级
相关试题推荐
Sheneverhadkidsbecausetheywouldhave______withherdancingcareer.
Thebodyhadbeenbadlyburnedso______wasdifficult.
I’veneverconsideredmydisabilitya______,butotherpeopleoftenregarditasagraveproblem.
Underthedifficultfinancialsituation,Americans______.
Today,theearthisintroubleforthefollowingreasonsEXCEPTthat______.
TheInternet,E-commerceandglobalizationaremakinganeweconomicerapossible.Inthefuture,capitalistmarketswilllargel
Ilike______intheautumnwhentheweatherisclearandbright.
Joggingbecamepopularsometwentyyearsagoandhasremainedafavoritewayofkeepingfitforlotsofpeople.Ifyouhaveneve
WinstonChurchill’s______andstirringrhetoric,employedinmanyfamedspeeches,isseenasrepresentingthespiritofwartime
Manyelderlypeoplearenownotusedtothe______ofmodemliving,whichtheyconsiderisawayfromtheoldcustoms.
随机试题
滑铁卢桥地处泰晤士河弯曲处。桥上视野开阔,是游客们喜欢拜访的地方。1899年到1901年之间,旅居伦敦的印象派画家莫奈就以该桥为主题,创作了一系列画作。这些画的视角相似,构图也几乎一模一样,差别只是天气状况和相应的光影色彩变化。一直以来,莫奈作画的精确位置
25岁就诊患者,口腔卫生情况不佳,左下第一恒磨牙患有牙髓一牙周联合病变,疼痛剧烈,但患牙无松动。另外,还应嘱咐病人做好口腔保健,除了
A.肌肉疼痛 B.脱水热 C.吞咽困难 D.尿钠测不出 E.四肢麻木只有重度高渗性脱水可见的症状是
李村的甲在放羊时因一时大意,没能发现自己的一头羊走失。张村的乙在回家的路上发现该羊,误以为是自家前不久走失的羊。遂将其带回家并进行饲养。当夜,该羊被闯入羊圈的毒蛇咬死,此时该羊市价1000元。第二日,乙发现该羊并非自己的,虽将其打理出售,得1200元。数日
2014年3月1日,政府拨付A公司1000万元财政拨款(同日到账),要求用于购买大型科研设备1台;并规定若有结余,留归公司自行支配。2014年4月1口,A公司购入大型设备,以银行存款支付实际成本为960万元,同日采用出包方式委托丙公司开始安装。2014年4
研究者认为,人的价值观刚开始就能被个体清醒地意识到。()
为狩猎运动辩护的一个普遍说法是认为它起到了重要的管理野生动物的作用,如果没有它,无数动物将遭受饥饿和疾病。该辩护导致一个太过草率的结即狩猎运动,产生了一个更健康的动物群体。下面哪一项,如果正确,最好地支持了作者的立场,即狩猎运动不一定能产生一个更健康的动物
Thegrowthofthelimitedliabilitycompanyandmunicipalbusinesshadimportantconsequences.Suchlarge,impersonalmanipulati
A、Thereisavisitoratthedoor.B、ThewomaniscallingJack.C、Thedoorisopen.D、Thetelephoneisringing.AM:Someoneiskn
TOEICistheTestofEnglishforInternationalCommunication.Itmeasuresthe【B1】______ofpeopletocommunicateintheworkplac
最新回复
(
0
)