A.synchronous rolling occurs
B.roll period decreases
C.roll period increases
D.roll amplitude is dampened
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A.falling
B.rising
C.constant
D.same
A.rain
B.frost
C.sleet
D.snow
A.sea
B.current
C.tide
D.swell
A.above
B.below
C.equal to
D.uncertain
A.varies
B.maintains
C.Shifts
D.assembles
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Bales close to the deckhead should be covered to prevent（）.
The dew point temperature is（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Fog is likely to occur when there is little difference between the dew point and the（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Berthing means bringing a vessel to her berth until（）.
According to the relevant regulation, lifeboat should be powered by（）.