A.only in case of an emergency or the engage in fishing within the zone
B.as nearly as practical at right angles to the general direction of traffic flow
C.at as small an angle as possible
D.only to anchor within the zone
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A.a good one
B.reliable
C.is easy to be fixed
D.obtainable
A.zone time
B.zulu time
C.Greenich Mean Time
D.zone standard time
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.the chain is not upright
B.the chain is tight
C.the chain is upright
D.the chain is slack
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The dew point temperature is（）.
Manoeuvring information can not be obtained from（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
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（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
A tide is called diurnal when（）.
Bales close to the deckhead should be covered to prevent（）.
（）is where the crew eat their meals.