单项选择题
A.man-rope B.frapping line C.sea painter D.lifeline
The Vessel can be（）in lawful trades between ports，ancho...
单项选择题The Vessel can be（）in lawful trades between ports，anchorages or places where it is customary for similar size vessels to lie safely aground.
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
