A.Because few people like to reverse the cycle of sleep and wakefulness.
B.Because sleep normally coincides with the hours of darkness.
C.Because people are required to work at night in some fields of industry.
D.Because shift work in industry requires people to change their sleeping habits.
A.to be more successful in his career
B.to be more specialized in his field
C.to solve technical problems
D.to develop his professional skill
开始考试点击查看答案A.less importance than awareness of being a good employee
B.as important as the ability to deal with public relations
C.more important than employer-employee relations
D.more important as the ability to co-operate with others in the organization
开始考试点击查看答案A.2) most probably means ________.A.valuable
B.useful
C.doubtful
D.helpful
开始考试点击查看答案A.factory labourers will overtake intellectual employees in number
B.there are as many middle-class employees as factory labourers
C.employers have attached great importance to factory labourers
D.the proportion of factory labourers in the total employee population has decreased
开始考试点击查看答案A.eighty per cent of American working people were employed in factories
B.twenty per cent of American intellectuals were employees
C.the percentage of intellectuals in the total work force was almost the same as that of industrial workers
D.the percentage of intellectuals working as employees was not so large as that of industrial workers
开始考试点击查看答案A.the inconveniences brought about to the workers by the introduction of automation
B.the disturbance of the daily life cycle of workers who have to change shifts too frequently
C.the fact that people working at night are often less effective
D.the fact that it is difficult to find a number of good night workers
开始考试点击查看答案A.to change shifts at longer intervals
B.to have longer shifts
C.to arrange for some people to work on night shifts only
D.to create better living conditions for night workers
开始考试点击查看答案A.body temperature changes when the cycle of sleep and wakefulness alternates
B.body temperature changes when he changes to night shift or back
C.the temperature reverses when the routine is changed
D.people have higher temperatures when they are working efficiently
开始考试点击查看答案A.Body temperature may serve as an indication of a worker’s performance.
B.The selection of a number of permanent night shift workers has proved to be the best solution to problems of the round-the-clock working system.
C.Taking body temperature at regular intervals can show how a person adapts to the changes of routine.
D.Disturbed sleep occurs less frequently among those on permanent night or day shifts.
开始考试点击查看答案A.became
B.had become
C.has become
D.becomes
开始考试点击查看答案投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
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类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
类别:建筑类其它投资项目管理师投资项目管理师宏观经济政策2010年投资项目管
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