试题与答案

On a ship,how many ring buoys are required

题型:单项选择题

题目:

On a ship,how many ring buoys are required to have a buoyant line attached?()

A.One ring life buoy

B.One ring life buoy on each side of the ship

C.Three ring life buoys

D.Two ring life buoys on each side of the ship

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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