你可能感興趣的試題

The third officer’s duty is to（）when vessel is commanded under the pilot or captain.

A.operate the wheel and stand by
B.keep a lookout and operate steering gear
C.enter telegraph orders in the bell book
D.operate the telegraph and enter telegraph orders in the bell book

單項(xiàng)選擇題

The tide（）.It’s 2 hours before low water, and（）your present position you will be aground at low water.

A.falls/in
B.has been falling/on
C.has fallen/at
D.is falling/in

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