试题与答案

起重吊运指挥用手势信号中的拇指向左，做左右运动表示（）。 A.机身向右转 B.机身向

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题型：单项选择题

题目：

起重吊运指挥用手势信号中的拇指向左，做左右运动表示（）。

A.机身向右转

B.机身向左转

C.机身前进

D.机身后退

答案：

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参考答案：宫颈癌

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