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
考研
How much sleep does a person need?【C1】______the physiological bases of the need for sleep remain conjectural(猜想), rendering conc
How much sleep does a person need?【C1】______the physiological bases of the need for sleep remain conjectural(猜想), rendering conc
admin
2016-02-21
62
问题
How much sleep does a person need?【C1】______the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on how much sleep people do in fact obtain. Perhaps the most important conclusion to be【C2】______from this evidence is【C3】______there is great variability among individuals in total sleep time. For adults,【C4】______between six and nine hours of sleep as a nightly average is not unusual, and 7.5 hours probably best expresses the norm. Such norms, of course, forms inevitably vary with the criteria of sleep employed. The most【C5】______and reliable figures on sleep time, including those cited here, come from studies in sleep laboratories, where EEG criteria are employed.
【C6】______consistently has been associated with the varying amount, quality, and pattern of electrophysiologically defined sleep. The newborn infant may spend an average of about 16 hours of each 24-hour period in sleep,【C7】______the sleep time drops sharply: by two years of age, it may【C8】______from nine to 12 hours. Decreases to approximately six hours have been observed among the elderly.
【C9】______will be discussed from below, EEG sleep studies have indicated that sleep can be considered to consist of several different stages. Developmental changes in the relative proportion of sleep time【C10】______in these sleep stages are as striking as age-related changes in total sleep time.
【C3】
选项
A、how
B、what
C、whether
D、that
答案
D
解析
本题的考点是表语从句引导词,后面there be从句语义完整,无须任何添加,故选择一个起语法作用的引导词that即可。
转载请注明原文地址:https://kaotiyun.com/show/z6ai777K
本试题收录于:
GCT工程硕士(英语)题库专业硕士分类
0
GCT工程硕士(英语)
专业硕士
相关试题推荐
Manypeoplecomplainoftherapid______ofmodernlife.
SpeakerA:So,howdidyouenjoythefoodinThailand?SpeakerB:______.Spicyandhot,butreallydelicious.
InNovemberof1902,PresidentTheodoreRooseveltwasonahuntingtripinMississippi.Hishuntwasgoing【B1】thatday,andhec
Ihopealltheprecautionsagainstairpollution,______suggestedbythelocalgovernment,willbeseriouslyconsideredhere.
Husband:CanIwaitatthecoffeebar?Ifeelillateasewhenyouarepickingthingsout.Wife:______.Idon’twanttoshopal
ComplimentaryDowJonesNewsGetDowJonesReal-TimeNewsforInvestorsatnochargewithyourScottradeaccount!It’st
Besidesactiveforeignenterprisesanda【31】numberofprivateemployers,aconsequentialnewdevelopmentwasthedevelopmentof
Atthefootofthemountain______.
Shegota______jobwhileshewaswaitingtogototheuniversity.
Hecomesfromapoorcountryvillageinthemountains,soit’sveryhardforhimtopaythewholeschoolyear’s__________atonet
随机试题
The"standardofliving"ofanycountrymeanstheaverageperson’sshareofthegoodsandserviceswhichthecountryproduces.
关于乳酶生的描述中,正确的是:
足厥阴肝经的输穴是
A、青蒿B、番泻叶C、麻黄D、广藿香E、薄荷橙皮苷结晶
背景沿海地区某住宅工程,地下水对钢筋混凝土结构有侵蚀作用。该工程由4栋地上12层,地下1层,结构形式完全相同的单体组成,其中地下室为整体地下室,四个单体及单体间空地均有地下部分。施工单位上报施工组织设计中,所有混凝土均采用预拌商品混凝土
劳动合同期满,劳动合同应当续延至相应的情形消失时终止的情形有()。
如果注册会计师无法实施存货监盘,也无法实施替代审计程序,则注册会计师应当考虑出具()的审计报告。
社区服务需要不断的开展面向老年人、儿童、残疾人、社会贫困户、优抚对象的社会救助和福利服务,面向社区居民的便民利民服务,面向社区单位的社会化服务,面向下岗职工的再就业服务和社会保障社会化服务。这一要求体现了在社区建设当中要以()的主要任务为目标。
表达式a*(b+c)一d的后缀表达式是()。
A、Showhispassport.B、Gettotheairport.C、Readthebook.A此段对话中女方说的是:对不起,先生,能出示您的护照吗?男方说的是:好的。由此可推断男士会出示自己的护照。因此A为答案。
最新回复
(
0
)