A.increasing
B.decreasing
C.remaining the same
D.varying during the day
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A.north
B.south
C.east
D.west
A.forecasts
B.observations
C.analyses
D.reports
A.geostrophic winds
B.doldrums
C.horse latitudes
D.prevailing westerlies
A.Red
B.Blue
C.Alternating red and blue
D.Purple
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
最新試題
The direction of prevailing winds in the Northern hemisphere is caused by the（）.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
In the relatively calm area near the hurricane center，the seas are（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.
When experiencing heavy winds，you should reef sails to（）.