A.High pressure
B.Low pressure
C.Subsurface pressure
D.Terrastatic pressure
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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
A.anticlockwise rotating
B.anticlock rotating
C.clockwise rotating
D.clock rotating
最新試題
In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
When a tornado moves over the water from land it is called a（）.
In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.
In the relatively calm area near the hurricane center，the seas are（）.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
Steady precipitation is typical of（）．
In regions near the poles，the winds are generally described as（）.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.