A.the coastal navigation
B.the celestial navigation
C.traditional navigation
D.the great circle navigation
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A.very good
B.good
C.poor
D.moderate
A.radar
B.GPS
C.DF
D.satellite navigator
A.Dunnage is used to reduce broken space
B.Dunnage is used to benefit ventilation
C.Dunnage is used to segregate cargo
D.Dunnage is used to protect cargo
A.at sea
B.the ship was at sea
C.she was at sea
D.they w re at sea
A.at
B.by
C.to
D.for
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（）is on the panel of radar.
Before any loading takes place any signs of the previous cargo should do（）.
According to the relevant regulation, lifeboat should be powered by（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
In the Northern hemisphere northerly winds may cause temperature（）.
Full details of all lights and fog signals are shown on（）.
The dew point temperature is（）.
（）is where the crew eat their meals.
The loading of the ship must be done in accordance with（）.