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
专升本
Psychologist George Spilich and colleagues at Washington College in Chestertown, Maryland, decided to find out: whether, as many
Psychologist George Spilich and colleagues at Washington College in Chestertown, Maryland, decided to find out: whether, as many
admin
2015-10-30
52
问题
Psychologist George Spilich and colleagues at Washington College in Chestertown, Maryland, decided to find out: whether, as many smokers say, smoking helps them to "think and concentrate ". Spilich put young non-smokers, active smokers and smokers deprived(被剥夺)of cigarettes through a series of tests.
In the first test, each subject(试验对象)sat before a computer screen and pressed a key as soon as he or she recognized a target letter among a grouping of 96. In this simple test, smokers, deprived smokers and non-smokers performed equally well.
The next test was more complex, requiring all to scan sequences of 20 identical letters and respond the instant one of the letters transformed into a different one. Non-smokers were faster, but under the stimulation of nicotine(尼古丁), active smokers were faster than deprived smokers.
In the third test of short-term memory, non-smokers made the fewest errors, but deprived smokers committed fewer errors than active smokers.
The fourth test required people to read a passage, then answer questions about it.
Non-smokers remembered 19 percent more of the most important information than active smokers, and deprived smokers bested those who had smoked a cigarette just before testing.
Active smokers tended not only to have poorer memories but also had trouble separating important information from insignificant details.
"As our tests became more complex," sums up Spilich, "non-smokers performed better than smokers by wider and wider margins. " He predicts, "smokers might perform adequately at many jobs—until they got complicated. A smoking airline pilot could fly adequately if no problems arose, but if something went wrong, smoking might damage his mental capacity. "
The purpose of George Spilich’ s experiment is ______.
选项
A、to test whether smoking has a positive effect on the mental capacity of smokers
B、to show how smoking damages people’s mental capacity
C、to prove that smoking affects people’ s regular performance
D、to find out whether smoking helps people’ s short-term memory
答案
A
解析
文章第一段第一句PsychologistGeorge Spilich and colleagues at WashingtonCollege in Chestertown,Maryland,decided tofind out whether,as many smokers say,smokinghelps them to“think and concentrate”.故选A。
转载请注明原文地址:https://kaotiyun.com/show/D8YC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,
Lastyear,myclassmateJaneandIgraduatedfromanordinarynormaluniversity.Likemostofthestudentswhohadjuststepped
Lastyear,myclassmateJaneandIgraduatedfromanordinarynormaluniversity.Likemostofthestudentswhohadjuststepped
Americansareproudoftheirvarietyandindividuality,yettheyloveandrespectfewthingsmorethanauniform,whetheritis
Americansareproudoftheirvarietyandindividuality,yettheyloveandrespectfewthingsmorethanauniform,whetheritis
随机试题
尘肺的X线改变中,不规则小阴影的病理基础为
在工程建设参与方中,()已成为项目业主不可或缺的助手,承担着本来由业主实施的管理工作。
场地自然坡度为16%时,应选()设计场地连接形式。
()都是消防工作的主体,共同构筑消防安全工作格局,任何一方都非常重要,不可偏废。
对单一客户进行授信限额管理时,商业银行对客户进行信用评级后,首要工作是要确定该客户的()
某债券面值100元,每年按5元付息,10年还本,则其名义收益率是()。
保险公司应当及时将核定结果通知旅行社以及受害人;对属于保险责任的,在与旅行社达成赔偿保险金的协议后()内,履行赔偿保险金义务。
1~3岁儿童心理发展有哪些特征?
设向量α=[a1,a2,…,an]T,β=[b1,b2,…,bn]T都是非零向量,且满足条件αTβ=0,记n阶矩阵A=αβT,求:A能否相似于对角矩阵,说明理由.
证明若f(x)为奇函数,且f′(x0)=A,则f′(一x0)=A.
最新回复
(
0
)