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
Our sleep time over the past century has been【B1】______ by almost 20 percent. Generally, adults need to sleep one hour for e
Our sleep time over the past century has been【B1】______ by almost 20 percent. Generally, adults need to sleep one hour for e
admin
2010-07-14
53
问题
Our sleep time over the past century has been【B1】______ by almost 20 percent.
Generally, adults need to sleep one hour for every two hours【B2】______ , which means that most need about eight hours of sleep a night. Of course, some people need more and some less. Children and teenagers need an average of about ten hours.
The brain keeps an exact【B3】______ of how much sleep it is owed. My colleagues and I【B4】______ the term sleep debt because【B5】______ lost sleep is like a【B6】______ debt: it must be paid back. If you get an hour less than a full night’s sleep, you carry an hour of sleep debt into the next day and your 【B7】______ to fall asleep during the daytime becomes stronger.
During a five-day【B8】______ , if you get six hours of sleep each night instead of the eight you needed,【B9】______ . Because sleep debt accumulates in an additive fashion,【B10】______ From this perspective, sleeping until noon on Saturday is not getting enough to pay back the ten lost hours as well as meet your nightly requirement of eight; you would have to sleep until about 5 p.m. to balance the sleep ledger.【B11】______ .
【B9】
选项
答案
you would owe yourself a sleep debt of ten hours
解析
转载请注明原文地址:https://kaotiyun.com/show/jlKK777K
0
大学英语六级
相关试题推荐
WhichofthefollowingbestdescribesAmerica’seconomicsituationnow?Howdoesmonetarypolicyofferhelpforweakeconomica
A、Ridingahorse.B、Shootingamovie.C、Playingagame.D、ApplyforthejobDW:Raiseyourhatalittlebitandholdthesaddlea
Asimpledefinitionforasocialnetworkisthecirclesofpeopleyouknow.Therearecirclesofyourclosefriends,othersincl
InGermany,______.Anewtendencyisdemographicchangeisthat______.
TheEnglish【B1】______settlementsinNorthAmericabeganinthe17thcenturywhenWesternEuropewas【B2】______greatchanges
A、Manisalsoakindofanimal.B、Therehavebeenmenformorethanamillionyears.C、Likeanyotheranimals,manslowlychange
ToallAmericans,anotherbasic【B1】______intheirconstitutionistheBillofRights,adoptedin1971.Thisconsistsof10very
A、ThesenateinBritainisolder.B、Therearemoresenatemembers.C、ThesenateinUSismorepractical.D、ThesenateinBritain
Wecanexperiencestressanytimewefeelwedon’thave【B1】______.Itcancomefromafeelingthatwecan’tdoanythingabout.
Everyonehasheardtilephrase"apictureisworthathousandwords".Videoconferencingprovidesthatpicture,bringingdecision
随机试题
枕叶病变可以引起
省级及国家药品监督管理部门受理药品生产企业GMP认证申请后多长时间内组织认证()。
下列说法正确的是()。
随着楼市调控的深入,房地产的融资一日比一日困难。在信贷和资本市场融资收紧的情况下,房地产信托成为开发商在融资困境中维持资金链的重要渠道,而房地产信托的收益率也随之水涨船高。统计显示,2月份投资房地产领域的信托资金流量最大,而存续期1年和1至2年的信托产品收
下面是某教师的课堂教学片段。T:Lookatthesentencesandfillintheblankswith"that"and"what".(1)Sheisnolonger______sheusedtobe.
初一语文单元测验中,王老师发现某学生抄袭了一道1分的题目。阅卷时,他在这个学生的试卷上打分为“90-1”。该生拿到试卷后非常惭愧,要求改为89分。老师给他批了一个“89+1”,并对他说:“知错能改就好。这1分是对你能认识和改正错误的奖励。”王老师的做法所体
简述培养幼儿好的饮食习惯包括哪些方面。
虚拟货币是指非真实的货币。网络虚拟货币大致可以分为:第一类是大家熟悉的游戏币。在单机游戏时代,主角靠打倒敌人、进赌馆赢钱等方式积累货币,用这些购买草药和装备,但只能在自己的游戏机里使用。那时,玩家之间没有“市场”。自从互联网建立起门户和社区、实现游戏联网以
只要小王能评上教授,同时老雷没有评上研究员,大李就一定会评上教授。如果以上判断为真,那么,加上以下哪项前提,则可得出老雷评上研究员的结论?
A、Theymayhavetofollowcertainhousingroles.B、Adepositmayberequiredtorentanapartment.C、On-campusapartmentsareli
最新回复
(
0
)