单项选择题
A.Permalloyed B.Destroyed C.Deployed D.employed
The use of sinking and dispersing chemical agents for r...
单项选择题The use of sinking and dispersing chemical agents for removal of surface oil is（）.
A.the most common method used in the United States B.too expensive for common use C.generally safe to sea life D.authorized only with prior approval of the Federal On-Scene Coordinator
The sprinkler system of an enclosed lifeboat is used to...
单项选择题The sprinkler system of an enclosed lifeboat is used to（）.
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
The sea painter of a rescue boat should be led（）.A.forw...
单项选择题The sea painter of a rescue boat should be led（）.
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
