A.Ice blink
B.Whiteout
C.Water sky
D.Aurora reflection
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A.a specific barometric pressure
B.a specific temperature
C.a specific wind speed
D.any time
A.increasing
B.decreasing
C.remaining the same
D.varying during the day
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
最新試題
When experiencing heavy winds，you should reef sails to（）.
When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.
The wind is（）and decreasing.
In the relatively calm area near the hurricane center，the seas are（）.
MIST is caused by（）.
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（）.
What kind of pressure systems travel in easterly waves（）.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
Which of the following is not a wind（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.