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
At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and bloo
At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and bloo
admin
2011-10-20
87
问题
At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and blood but also of time. They were able to (2)_____ that we all have an internal "body clock" which (3)_____ the rise and fall of our body energies, making us different from one day to the (5)_____. These forces became known as biorhythms: they create the (5)_____ in our everyday life.
The (6)_____ of an internal "body clock" should not be too surprising, (7)_____ the lives of most living things are dominated by the 24-hour night-and-day cycle. The most obvious (8)_____ of this cycle is the (9)_____ we feel tired and fall asleep at night and become awake and (10)_____ during the day. (11)_____ the 24-hour rhythm is interrupted, most people experience unpleasant side effects.
(12)_____, international aeroplane travelers often experience "jet lag" when traveling across time (13)_____. People who are not used to (14)_____ work can find that lack of sleep affects their work performance.
(15)_____ the daily rhythm of sleeping and waking, we also have other rhythms which (16)_____.longer than one day and which influence wide areas of our lives. Most of us would agree that we feel good on (17)_____ days and net so good on others. Sometimes we are (18)_____ fingers and thumbs but on other days we have excellent coordination. There are times when we appear to be accident-prone, or when our temper seems to be on a short fuse. Isn’t it also strange (19)_____ ideas seem to flow on some days but at other times are (20)_____ nonexistent? Musicians, painters and writers often talk about "dry spells".
选项
A、watchful
B、ready
C、alert
D、attentive
答案
C
解析
形容词辨析题。alert adj.提防的,警惕的,填入后符合句意。watchful一般不形容人。
转载请注明原文地址:https://kaotiyun.com/show/tkp4777K
0
考研英语一
相关试题推荐
EducationhasbeencalledAmerican’sreligion.Todaymorethan56millionAmericansareattendingschool.Thewidelydifferent
Lotsofpeopledon’tbother______aweddingceremonythesedays.
Studythefollowingtablecarefullyandwriteanessayinwhichyoushould1)describethechangesasisshowninthetable,
Thefollowingparagraphsaregiveninawrongorder.ForQuestions41-45,youarerequiredtoreorganizetheseparagraphsintoa
Thefollowingparagraphsaregiveninawrongorder.ForQuestions41-45,youarerequiredtoreorganizetheseparagraphsintoa
WhatscientistsJohanFeenstraandRobHayesdidwasthatGuofuZhouwouldprobablyagreethat
Inmorethanacenturyofhand-to-handcombatinshops,supermarketaisles,restaurantsandbarsaroundtheworld,Coca-Colahas
Asusedthefirstline,thephrase"talkback"means______.Thepassagemainlydiscussestheproblemthat______.
WecanlearnfromthebeginningofthetextthatWal-MartStoresInc.willTowardthisadventureofWal-Mart,theauthor’satti
YouaresupposedtoinviteDr.Kingtomakeaspeechaboutthefuturedevelopmentofcomputerscienceattheannualconferenceo
随机试题
吉祥话
痿证主要病理是
甲地刘某被乙地铁路公安分局作出拘留15天的行政处罚.刘某向市公安局申请复议,市公安局将拘留15天的处罚改为拘留5天。刘某仍不服,决定提起行政诉讼。下列哪些法院对此案享有管辖权?()
对轴心荷载作用或荷载作用偏心距e≤0.0336(6为基础的宽度)的基础,根据土的抗剪强度指标确定地基承载力的公式为:fa=Mbγb+Mdγmd+Mcck。使用本公式计算地基承载力的要点有()。
装饰抹灰是指在建筑墙面涂抹( )等。
家庭中可使用哪些方法来预防或延缓食品的腐败变质?
教师和学生在社会道德上是()的关系。
工厂的一个车间就是一个法人。()
今年全国人大和全国政协会议期间,为了更好地反映民情民意,部分人大代表和政协委员在互联网上利用QQ、E~mail、Blog(博客)等现代信息交流方式征求网民意见,并及时予以反馈,深受网民欢迎。这段文字表明()。①人大代表和政协委员由
Themoretimescientistsspenddesigningcomputers,themoretheymarvelatthehumanbrain.Tasksthatstumpthemostadvanced
最新回复
(
0
)