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【单选题】
两个运输队，第一队有320人，第二队有280人，现因任务变动，要求第二队的人数是第一队人数的2倍，需从第一队抽调多少人到第二队( )
A.
80
B.
100
C.
120
D.
140
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep 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 n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.