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
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单项选择题
A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.
A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG (center of gravity) off center -
单项选择题
The line-throwing appliance provided on board ship is（）.
A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose
