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【单选题】
属于Kenncdy第二类二亚类的是
A.
下颌872112678缺失
B.
上颌3211278缺失
C.
上颌432112缺失
D.
下颌43211236缺失
E.
下颌321123678缺失
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参考答案：
参考解析：
刷刷题刷刷变学霸
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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】Kennedy分类中没有亚类的分类是
A.
Kennedy第一类
B.
Kennedy第二类
C.
Kennedy第三类
D.
Kennedy第四类
E.
Kennedy第五类