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單項(xiàng)選擇題

（）is a full nautical record of a ships voyage, written up at the end of each watch by the officer of the watch.

A.Sea protest
B.Deck log
C.Accident report
D.Seamans book

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單項(xiàng)選擇題

（）is not suitable for bagged cargo?

A.The hydraulic crab
B.The rope sling
C.The canvas sling
D.The cargo tray

單項(xiàng)選擇題

（）is the most visible signal of distress from a lifeboat at sea in the daytime.

A.Smoke signal
B.Flash signal
C.Fire signal
D.Radio emergency transmission

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