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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】战国时，荀子游访秦国后，在《强国篇》中谈到：秦民风纯朴，官吏忠于职守，士大夫效忠公室，朝廷办事效率高，“故四世（自秦孝公起的四位国君）有胜，有非幸也，数也。”荀子的观感可以说明（）。
A.
秦国的四位国君很有作为，秦国强盛是必然的
B.
荀子把秦国军事上的胜利错误地归为偶然因素所致
C.
由于秦国统治政策得当，其强盛成为形势发展的必然
D.
封建经济发展是秦国强盛的根本原因