The Works Project Administration could _

单选题 The Works Project Administration could __

A． relieve the burden of both the unemployed and the government
B． satisfy the need of people from various fields of the society
C． meet the need of most people who were once white-collars
D． offer people no jobs which would support them for a whole life

参考答案D

解析: 定位：根据题干信息词Works Project Admini Stration定位到第二段。
解析：由第二段最后一句可知： “这些都是暂时性的‘工作救济’项目，而不是永久性的工作机会。”显然D项符合文意，为正确答案。本段第三句虽然说到就业项目得以在失业人数众多的各个领域设立，但并未提到能满足社会各领域人们的需求，故B项排除。A、C两项在文中未提及。

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单选题 Compared with WPA, the Public Works Administration

A． got private businesses involved in the restoring of economy
B． encouraged the local governments to make concrete plans
C． offered jobs in all the aspects conceming construction
D． stimulated the economy by lending money to local governments

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单选题The Civilian Conservation Corps mainly offered jobs __

A． to give more opportunities to various age groups
B． to foster the spirit of American youths
C． that are laborious to youngsters
D． under the name of relieving family burdens

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单选题Questions are based on the following passage.
We all know that the normal human dally cycle of activity is of some 7-8 hours sleep alternating with some 16-17 hours wakefulness and that, broadly speaking, the sleep normally coincides with the hours of darkness. Our present concern is with how easily and to what extent this cycle can be modified.
The question is no mere academic one. The ease, for example, with which people can change from working in the day to working at night is a question of growing importance in industry where automation calls for round-the-clock working of machines. It normally takes from five days to one week for a person to adapt to a reversed routine of sleep and wakefulness, sleeping during the day and working at night. Unfortunately, it is often the case in industry that shifts are changed every week; a person may work from 12 midnight to 8 a.m. one week. 8 a.m. to 4 p.m. the next,and 4 p.m. to 12 midnight the third and so on. This means that no sooner has he got used to one routine than he has to change to another, so that much of his time is spent neither working nor sleeping very efficiently.
One answer would seem to be longer periods on each shift, a month, or even three months. Recent research by Bonier of the Netherlands, however, has shown that people on such systems will revert to their normal habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any adaptation to night workbuilt up during the week.
The only real solution appears to be to hand over the night shift to a number of permanent night workers. Aninteresting study of the domestic life and health of night-shift workers was carried out by Brown in 1957. She found a high incidence of disturbed sleep and other disorders among those on alternating day and night shifts, but no abnormal occurrence of these phenomena among those on permanent night work.
This latter system then appears to be the best long-term policy, but meanwhile something may be done to relieve the strains of alternate day and night work by selecting those people who can adapt most quickly to the changes of routine. One way of knowing when a person has adapted is by measuring his body temperature. People engaged in normal day-time work will have a high temperature during the hours of wakefulness and a low one at night; when they change to night work the pattern will only gradually go back to match the new routine and the speed with which it does so parallels, broadly speaking, the adaptation of the body as a whole, particularly in terms of performance. Therefore, by taking body temperature at intervals of two hours throughout the period of wakefulness it can be seen how quickly a person can adapt to a reversed routine, and this could be used as a basis for selection. So far, however, such a form of selection does not seem to have been applied in practice.
The study of sleep cycle can be of practical use to places where

A． strict work shifts are required to cater for the need of automatic machines
B． working at night is normal for most employees
C． employees work according to different requirements of machines
D． employees have to adapt to irregular work patterns and organizations

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