盘点现金时，出纳人员必须回避。
参考答案：错
解析：为明确经济责任，在盘点现金时，出纳人员必须在场，并且不允许以借条、收据抵充现金。
Hearing their grandpa was coming, they began to ________ the work to prepare for a nice dinner.
A．set off
B．set down
C．set aside
D．set about
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