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【单选题】
动物园的饲养员给三群猴子分花生，如只分给第一群，则每只猴子可得12粒；如只分给第二群，则每只猴子可得15粒；如只分给第三群，则每只猴子可得20粒。那么平均分给三群猴子，每只可得多少粒
A.
3
B.
4
C.
5
D.
6
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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.