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 Northern Hemisphere a wind is said to veer when the wind（）.
Monsoons are characterized by（）.
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（）.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
MIST is caused by（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
When a tornado moves over the water from land it is called a（）.
The passing of a low pressure system can be determined by periodically checking the（）.