单项选择题

When abandoning ship and jumping into the water from a substantial height without a life jacket，you should（）.

A.dive head first，using your hands to break the surface of the water
B.hold your arms firmly at your sides and jump feet first
C.jump feet first，covering your nose and mouth with one hand and grasping the opposing upper arm with the other
D.jump feet first，holding your knees to your chest

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单项选择题

When a rescue vessel approaches a lifeboat in heavy seas，the person in charge of the lifeboat should（）.

A.tie up to the rescue vessel
B.transfer only those personnel who are not seasick
C.wait for calmer weather before transferring personnel
D.transfer all personnel immediately

单项选择题

What shall be conducted during a fire and boat drill?（）

A.All watertight doors which are in use while the vessel is underway shall be operated
B.All lifeboat equipment shall be examined
C.Fire pumps shall be started and all exterior outlets opened
D.All of the above

单项选择题

What is TRUE concerning frapping lines?（）

A.They are used to steady a lifeboat when lowered
B.They are normally attached to the davit span
C.They are needed only on radial davits
D.They are used to clear the puddings