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【单选题】
有个500米的环形跑道，小明和小亮同时从起跑线起跑，小明每秒跑6米，小亮每秒跑5米。第二次追上小亮时小明跑了（ ）圈。
A.
11
B.
12
C.
13
D.
14
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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】小明在选举班委时得了28票，下列说法错误的是
A.
不管小明所在的班级有多少学生，所有选票中选小明的选票频率不变
B.
不管小明所在的班级有多少学生，所有选票中选小明的选票频数不变
C.
小明所在班级的学生人数不少于28人
D.
小明的选票的频率不能大于1
相关题目：
【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】小明在选举班委时得了28票，下列说法错误的是
A.
不管小明所在的班级有多少学生，所有选票中选小明的选票频率不变
B.
不管小明所在的班级有多少学生，所有选票中选小明的选票频数不变
C.
小明所在班级的学生人数不少于28人
D.
小明的选票的频率不能大于1
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