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举一反三
【单选题】客船的换证检验间隔期?
A.
不超过1年到期前后、各3个月内进行
B.
不超过2年到期前后、各3个月内进行
C.
不超过1年到期前3个月内进行
D.
不超过2年到期前3个月内进行
【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.