A.sea
B.current
C.tide
D.swell
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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
A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog
最新試題
The loading of the ship must be done in accordance with（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Berthing means bringing a vessel to her berth until（）.
A tide is called diurnal when（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
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（）.