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
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
What kind of pressure systems travel in easterly waves（）.
The passing of a low pressure system can be determined by periodically checking the（）.
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
Steady precipitation is typical of（）．
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
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（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
In regions near the poles，the winds are generally described as（）.