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
All types of stress study, whether under laboratory or real-life situations, study mechanisms for increasing the arousal level o
All types of stress study, whether under laboratory or real-life situations, study mechanisms for increasing the arousal level o
admin
2010-02-19
52
问题
All types of stress study, whether under laboratory or real-life situations, study mechanisms for increasing the arousal level of the brain.
The brain blood flow studies show that reciting the days of the week and months of the year increases blood flow in appropriate areas, whereas problem solving which demands intense concentration of a reasoning type produces much larger changes in the distribution of blood in the brain.
Between these basic studies of brain function and real life situations there is still a considerable gap, but reasonable deduction seems possible to try and understand what happens to the brain. Life consists of a series of events which may be related to work or to our so-called leisure time. Work may be relatively automatic——as with typing, for instance, it requires intense concentration and repetition during the learning phase to establish a pat tem in the brain. Then the typist’s fingers automatically move to hit the appropriate keys as she reads the words on the copy.
However, when she gets fired she makes mistakes much more frequently. To overcome this she has to raise her level of arousal and concentration but beyond a certain point the automatic is lost and thinking about hitting the keys leads to more mistakes.
Other jobs involve intense concentration such as holding bottles of wine up to a strong light and turning them upside down to look for particles of dirt falling down. This sounds quite easy but experience teaches that workers can do this for only about thirty minutes before they start making a mistake. This is partly because the number of occasions with dirt in the bottle is low and the arousal level, therefore, fails. Scientists have shown that devices to raise arousal level will increase the accuracy of looking for relatively rate events. A recent study of the effect of less of sleep in young doctors showed that in tests involving a challenge to their medical judgment when short of sleep they raised their arousal level and became better at tests of grammatical reasoning as well.
According to the author, a key factor in the ability to reason is ______.
选项
A、the subject’s knowledge of grammar
B、the amount of sleep the subject has had
C、the level of arousal of the subject
D、the extent to which the subject has been taught to mason
答案
C
解析
由最后一段最后一句“when short of sleep they raised their arousal level and better at…”可知缺少睡眠能提高医生的警觉性,从而使推理能力提高,所以选C。
转载请注明原文地址:https://kaotiyun.com/show/5NIO777K
0
考博英语
相关试题推荐
AccordingtoMr.Hunt,whatisthemajorcauseofstress?WhatdoesMr.Huntsayaboutthebestwaytobeatstress?
BethHatfieldlostherjobbecausethecompanysheworkedforBethfinancedJumpstartby
A、AcarcompanyisincreasingthecapacityofitsfactoryinMichigan.B、ThestaffatacarfactoryinMichiganwillincreaseto
Theworld-famousBritishMuseumwhichhousesa______collectionofvaluablebooks,paintings,worksofarts,etc.attractsmillio
语言时空论是语言学这门科学的一个观点。它以时空差异关注语言的流变现象,因为语言的流变基本上是由时间和空间延展在强度和性质上的差异表现出来的。它寻求以客观和精确的方式来描写和揭示语言的基本概念、内在关系以及流变机理,追索有关语言的现实知识。它观察语言流变的原
Itisimpossibleto______whethershe’llbewellenoughtocomehomefromthehospitalnextmonth.
回顾过去一年,我们清醒地看到,在前进道路上还有许多困难和问题,政府工作还有不少缺点,群众还有一些不满意的地方,多年积累的深层次矛盾从根本上解决还需要相当长时间。
美国的经济体制主要是围绕着私人企业和以市场为导向而建立起来的,在这种经济中,消费者们在很大程度上通过他们在市场上花钱购买他们最需要的货物和设施来决定厂家该生产什么。
Mrs.James______adivorcefromherhusband,forshecannolonger______hisstormytemper.
SinceXeroxcouldn’tworksmoothly,heassumedthatsomeonehad______withit.
随机试题
下列不属于中央银行“国家的银行”职能的是()
外科最常见的休克是________和________。
下列财产可以抵押的有( )。
将3个小球随机地投到4个大盒子中,则一个盒子中至多有一个球的概率为()。
Therepairpersoncouldnotfindthespecificproblem____hadcausedthecomputertocrash.
关于ATM机描述不符合规定的是()。
关于违约责任,下列说法不正确的是()
Thelimestonewaserodedbythe______wateruntilonlyathinshellremained.
RenownedChinesedirectorZhangYimou’slatestfilm,RidingAloneforThousandsofMiles,heldatrialpremiereinthesouthern
ThewordYogaitselfcomesfromanancientSanskritwordmeaning"union".Whatkindofuniondoyouthinkthewordrefersto?Wh
最新回复
(
0
)