单项选择题

A.pressure gradientB.Coriolis effectC.aurora borealisD.……

The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

A.pressure gradient
B.Coriolis effect
C.aurora borealis
D.ballistic deflection

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单项选择题When steering by autopilot,how often should the steering be checked?（）

A.12 times on each watch
B.When time allows
C.At least once a watch
D.No checking is necessary

单项选择题（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.

A.Container loading
B.Container discharging
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A.inboard diesel engine
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D.inboard gasoline engine

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A.the ship is made fast
B.the ship‟s first line is sent ashore
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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"