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问题 单项选择题

赛马场有一条跑马道，长600米。现在有A、B、c三匹马，A2分钟能跑1圈，B3分钟能跑1圈，C4分钟能跑1圈。如果这三匹马并排在同一个起跑线上，向着同一个方向跑，那么经过几分钟，这三匹马才能重新排在起跑线上

A．12

B．15

C．18

D．20

答案

参考答案：A

单项选择题

在现金整理工作中，纸币墩齐的方法是（）中采用的办法。

A.挑出残币

B.整理纸币

C.整理硬币

D.纸币摆放
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问答题

Getting a proper amount of rest is absolutely essential for building your energy resources. If you frequently work far into the night or have a poor sleep, it stands to reason that you may start to feel a little run down. Though everybody is different, most people need at least seven to eight hours of sleep per night in order to function at their best.
If you have been lacking energy, try going to bed earlier at night. If you can wake up feeling well-rested, it will be an indication that you are starting to get an appropriate amount of sleep at night. If you sleep more than eight hours every night but still don’t feel energetic, you may actually be getting too much sleep.
Once in a while, you are bound to have nights where you don’t get an adequate amount of sleep. When your schedule permits you can also consid-er taking a short sleep during the day, for sometimes taking a nap is the perfect way to recharge your batteries,
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