单项选择题
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
A.tank capacities B.stability in the event of damage C.towing speed D.anchor holding ratio
单项选择题 Hanging a barge off means to（）.
单项选择题 Electrical wiring on all “T-Boats” must be（）。
单项选择题 Damage to another vessel’s cargo，caused by a collision，is covered under which marine insurance policy?（）.
