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
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（）.
Which of the following is not a wind（）.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
What kind of pressure systems travel in easterly waves（）.
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（）.
When your vessel is on or near the path of an approaching tropical storm the（）.
In the relatively calm area near the hurricane center，the seas are（）.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
In regions near the poles，the winds are generally described as（）.