A.within two hours
B.within three hours
C.within four hours
D.within five hours
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A.to get
B.to approach
C.to proceed
D.to close
A.damage by dripping sweat
B.damage by odor contamination
C.from striking structure
D.from steel rusty
A.pressure gradient
B.Coriolis effect
C.aurora borealis
D.ballistic deflection
A.12 times on each watch
B.When time allows
C.At least once a watch
D.No checking is necessary
A.Container loading
B.Container discharging
C.Stowage planning
D.Container checking
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（）is where the crew eat their meals.
The mean draft of a ship is the draft（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Before any loading takes place any signs of the previous cargo should do（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Berthing means bringing a vessel to her berth until（）.
Full details of all lights and fog signals are shown on（）.
Which of the following is not a form of precipitation?（）
According to the relevant regulation, lifeboat should be powered by（）.