A.once
B.whether
C.previous
D.just
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A.will take
B.took
C.is taking
D.would take
A.for and aft
B.from and aft
C.fore and aft
D.all and aft
A.bearing
B.position
C.location
D.place
A.an officer's license
B.an officer's promotion
C.an officer's statement
D.a seaman's book
A.Greenwich Mean Time
B.Gross Mean Time
C.Great Mean Time
D.Gross Metric Ton
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（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The dew point temperature is（）.
Full details of all lights and fog signals are shown on（）.
The ISM code is part of（）.
Berthing means bringing a vessel to her berth until（）.
（）is on the panel of radar.