单项选择题
If a davit-launched liferaft aboard a ship cannot be launched because of damage to the davit，you should（）.
A.inflate the liferaft on deck B.roll the liferaft over the side C.go to another liferaft station D.get a saw and cut the liferaft free
单项选择题 Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
单项选择题 Hanging a barge off means to（）.
单项选择题 Electrical wiring on all “T-Boats” must be（）。
