A.a high pressure area
B.an extratropical cyclone
C.a tropical storm
D.an easterly wave
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A.High pressure
B.Low pressure
C.Subsurface pressure
D.Terrastatic pressure
A.Huge waves approaching from all directions，clearing skies，light winds，and an extremely low barometer
B.Flat calm seas，heavy rain，light winds，and an extremely low barometer
C.Flat calm seas，heavy rain，light winds，and high pressure
D.Huge waves approaching from all directions，clearing skies，light winds，and high pressure
A.Stratocumulus clouds or strange birds
B.Rain and increasing winds
C.An exceptionally long swell
D.Dark clouds and the“bar”of the storm
A.Hill of low pressure
B.Trough of low pressure
C.Valley of low pressure
D.Ridge of low pressure
A.Hurricane
B.Tropical disturbance
C.Tropical depression
D.Cyclone
最新試題
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
The doldrums are characterized by（）.
Monsoons are characterized by（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
The passing of a low pressure system can be determined by periodically checking the（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
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 condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.