单项选择题
Immersion suits must be stowed（）.
A.in the pilothouse B.on top of lockers C.where readily accessible D.on open deck areas
单项选择题 If you were to pass a stopper on a wire rope，what should the stopper be made of?（）
单项选择题 If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）
单项选择题 If the ship is alongside the wharf，what kind of（）is used?
