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【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.
【单选题】根据“十一五”规划，我国努力推进交通运输装备现代，争取到2010年，营运货车达到700万辆，力争重型货车、专用车辆、厢式货车的比例分别达到( )。
A.
20%，30%和30%
B.
30%，20%和30%
C.
30%，30%和20%
D.
30%，20%和20%