单项选择题
Aboard damaged vessels，the MOST important consideration is preserving（）.
A.bilge pumping capacity B.reserve buoyancy C.level attitude D.instability
单项选择题 A vessel has a strong wind on the port beam. This has the same affect on stability as（）.
单项选择题 A flooded leg on a lift boat would adversely affect the vessel’s stability underway by（）.
单项选择题 （）is the tendency of a vessel to return to its original position after it is displaced therefrom.
