A.Loran C
B.Direction Finder
C.Gyro- compass
D.Radar
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A.very good
B.good
C.poor
D.moderate
A.resistance
B.weight
C.speed
D.displacement
A.brightness of obtain
B.color of targets
C.shape of targets
D.bearing of objects
A.aweigh
B.weight
C.weigh
D.weighing
A.wharf
B.wharves
C.wharve
D.wharfs
最新試題
What is it called when it is possible to ignite the vapour above the oil?（）
In the Northern hemisphere northerly winds may cause temperature（）.
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.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
（）is on the panel of radar.
（）is where the crew eat their meals.
Manoeuvring information can not be obtained from（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）