单项选择题
The control lever for the mechanical disengaging apparatus in a lifeboat shall（）.
A.be painted bright red B.be secured to a permanent part of the lifeboat structure C.have the area surrounding the lever painted white D.All of the above
单项选择题 A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.
单项选择题 The line-throwing appliance provided on board ship is（）.
