單項(xiàng)選擇題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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1.單項(xiàng)選擇題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

2.單項(xiàng)選擇題（）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
C.Stowage planning
D.Container checking

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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"