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（）.
According to the relevant regulation, lifeboat should be powered by（）.
In the Northern hemisphere northerly winds may cause temperature（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Before any loading takes place any signs of the previous cargo should do（）.
Manoeuvring information can not be obtained from（）.
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（）.
Which of the following is not a form of precipitation?（）
ECDIS must be able to perform all of the following EXCEPT（）.
（）is on the panel of radar.