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  3. Why is the question of "how easily people can get used to working at flight" no mere academic one? It is possible to find out i

Why is the question of "how easily people can get used to working at flight" no mere academic one? It is possible to find out i

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问题 Why is the question of "how easily people can get used to working at flight" no mere academic one?
It is possible to find out if a person has adapted to the changes of routine by measuring his body temperature because______.
选项 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
答案A
解析 根据第四段第三句，在白天正常工作的人醒着时体温高，夜间体温低。当他们改成值夜班时，体温模式只会逐渐调整以便适应新的工作方式；一般来讲，调整的速度与整个身体——特别是就工作表现而言——的调整同步。本段倒数第二句又提到，体温调整的速度可以帮助我们确定工人适应换班的快慢。B项和C项不对．根据第四段第三句，当工作时间改变时，体温模式只会"逐渐"调整，以便适应新的工作方式，不会迅速地调来调去。D项不对。主要错在efficiently这个词上。原文只是说醒着的时候体温会高。
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