单项选择题

According to the relevant regulation, lifeboat should be powered by（）.

A.inboard diesel engine
B.outboard diesel engine
C.outboard gasoline engine
D.inboard gasoline engine

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Berthing means bringing a vessel to her berth until（）.

A.the ship is made fast
B.the ship‟s first line is sent ashore
C.the ship is dredging anchor
D.the ship‟s pilot disembarks

单项选择题

ECDIS must be able to perform all of the following EXCEPT（）.

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The mean draft of a ship is the draft（）.

A.midway between the forward and aft draft marks
B.at the center of flotation
C.at the load line
D.at the center of buoyancy