题目内容
听力原文：W: Are you sure you have corrected all the typing errors in this paper？
M: Perhaps. I'd better read it through again.
What's the woman going to do？
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听力原文：W: How is Helen's experiment coming along？
M: I'm not sure. Why don't we go to have a look？
Q: What does the man mean？
(17)
在采用市场法进行拆迁估价时，如果选取的可比实例是含有装修的房地产，则在建立可比实例比较基准时，应将可比实例中的装修价值扣除。()
We all know that the normal human daily 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 earl 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 4p.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.
The only real solution appears to be handed over the night shift to a number of permanent night workers. An interesting 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.
The 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 daytime work will have a high temperature during the hours of wakefulness and 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 basis for selection. So far, however, such a form. of selection does not seem to have been applied in practice.
Why is the question of "how easily people can get used to working at night" not a mere academic question？
听力原文：M：I am told that there is something wrong with your video camera？ Let me see what's the matter.
W: Oh, I went to the shop and had them replace it with a new one yesterday afternoon.
What did the woman do with her camera yesterday afternoon？
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