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單項(xiàng)選擇題

Continuous sounding of a fog whistle by a vessel is a signal（）.

A.that the vessel is anchored
B.to request the draw span of a bridge to be opened
C.of distress
D.that the vessel is broken down and drifting

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單項(xiàng)選擇題

The Greek ship drifted and struck the portside of a Chinese ship，which（）the bulwalk and Stanchions.

A.caused damage to
B.had collision with
C.was damaging
D.was causing damage to

單項(xiàng)選擇題

The extent of the damage could not be（）though I inspected it with the Chief Stevedore in charge.

A.sure
B.contained
C.ascertained
D.applied