单项选择题

The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.

A.sheath-screw davit
B.gravity davit
C.radial davit
D.bruckner davit

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单项选择题
The tops of the thwarts，side benches，and the footings of a lifeboat are painted which color?（）

A.International orange
B.Yellow
C.White
D.Red
单项选择题
The steering oar in a lifeboat is usually referred to as the（）.

A.bumpkin oar
B.stroke oar
C.sweep oar
D.becket oar
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