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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】（）谁在《揭开红楼梦作者之谜》一文中提出：公认作者曹雪芹仅仅是“在石兄《风月宝鉴》旧稿的基础上巧手新裁改作成书的”？
A.
土默热
B.
戴不凡
C.
陈镛
D.
梁恭辰