A.Riggins
B.Gears
C.Boarding arrangements
D.Fittings
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A.large cumulonimbus (thunderclouds) building up
B.high cirrus clouds gradually changing to cirrostratus and then to altostratus
C.fog caused by the warm air passing over the cooler water
D.low dark clouds accompanied by intermittent rain
A.straits
B.channels
C.canals
D.roadsteads
A.G
B.H
C.B
D.N
A.relieves the Master of his duties
B.is solely responsible for the safe navigation of the vessel
C.is a specialist hired for his or her local navigational knowledge
D.relieves the officer of the watch
A.straight
B.direct
C.forward
D.on
A.the Master or person in charge of the vessel
B.a person designated by the Master
C.a person on board to pilot the vessel
D.All of the above
A.pilot
B.speaker
C.standby wheel
D.automatic pilot
A.pressure changes in the air mass
B.movement of the air mass
C.the heterogeneous nature of the air mass
D.upper level atmospheric changes
A.Ground speed
B.Boarding speed
C.Relative speed
D.Speed of the vessel
A.very quick flashing
B.flashing
C.fixed
D.occulting
最新試題
Temperature and moisture characteristics are modified in a warm or cold air mass due to ().
On no account ()proceed without pilot in this water area.
Pilot ladder is () on port side.
Please wireless to let me know () I am to anchor or to meet pilot.
The first indications a mariner will have of the approach of a warm front will be ().
Place names used should be those ().
Which vessel may show three lights in a vertical line,the top and bottom being red and the middle being white? ()
The characteristic of a lighted cardinal mark may be ().
From ()the mariner can understand the data of tide.
When the movement of engine is no longer required the pilot usually gives the order like this() .