A.rain
B.frost
C.sleet
D.snow
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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
A.UK Hydrographic Office
B.IMO
C.International Hydrographic Organization
D.International Association of Classification society
A.Being mroe than 25 miles from shore
B.Only at night when it‟s dark
C.Being more than 6 miles from shore
D.Never
最新試題
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
According to the relevant regulation, lifeboat should be powered by（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The helm command PORT TWENTY means（）.
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?（）
The mean draft of a ship is the draft（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Manoeuvring information can not be obtained from（）.