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單項選擇題

Each open lifeboat carried on a vessel on an international voyage must have（）.

A.hand-propelling gear
B.a davit span with at least 2 lifelines
C.a mast and a sail
D.a motor

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單項選擇題

Each lifeboat must be lowered and maneuvered in the water at least once every（）.

A.2 months
B.3 months
C.4 months
D.5 months

單項選擇題

During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.

A.instructed in the use of portable fire extinguishers
B.shown a video demonstrating lifeboat launching
C.instructed in the use of life jackets
D.not required to attend the boat drill

Each open lifeboat carried on a vessel on an international voyage must have（）.

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Each lifeboat must be lowered and maneuvered in the water at least once every（）.

During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.

During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.