A.meeting another head-on
B.crossing the course of another
C.overtaking another
D.Any of the above
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A.at as small an angle as possible
B.as nearly as practical at right angles to the general direction of traffic flow
C.only in case of an emergency or to engage in fishing within the zone
D.never
A.only in case of an emergency or the engage in fishing within the zone
B.as nearly as practical at right angles to the general direction of traffic flow
C.at as small an angle as possible
D.only to anchor within the zone
A.a good one
B.reliable
C.is easy to be fixed
D.obtainable
A.zone time
B.zulu time
C.Greenich Mean Time
D.zone standard time
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
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（）.
When steering by autopilot,how often should the steering be checked?（）
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Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
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The helm command PORT TWENTY means（）.