单项选择题
A.cool the craft in a fire B.cool the engine C.spray oil on the sea to calm it D.spray personnel during a fire
A.forward and outboard of all obstructions B.forward and inboard of all obstructions C.up and down from the main deck D.to the foremost point on the vessel
A.check the liferaft's way B.keep the liferaft end on to the sea C.reduce the possibility of capsizing or broaching D.right the raft if it inflates inverted