单项选择题
Life jackets should be marked with the（）.
A.maximum weight allowed B.stowage space assigned C.vessel's home port D.vessel's name
单项选择题 Instructions to the crew in the use of all the ship’s lifesaving equipment shall be completed（）.
单项选择题 If you must jump from a ship，your posture should include（）.
单项选择题 If a mooring line should part while you are tying up at a dock，you should make a temporary eye by tying a（）.
