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（）.
A.determine true bearing and distance between two geographical points
B.determine magnetic compass deviation
C.transform a local datum to the WGS-'84 datum
D.convert "graphical coordinates" to "display coordinates" -
单项选择题
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
