單項選擇題

The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.

A.a continuous ringing for 10 seconds
B.one short ring followed by one long ring
C.two long rings of at least 20 seconds
D.a continuous ringing until the fire is extinguished

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單項選擇題

The engine（）smoke and steam.

A.gives up
B.gives away
C.gives in
D.gives off

單項選擇題

The entries in the official logbook must be signed by the master and（）.

A.the chief engineer
B.the person about whom the entry concerns
C.one other crew member
D.no other signature is required

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The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.

你可能感興趣的試題

The engine（）smoke and steam.

The entries in the official logbook must be signed by the master and（）.