A.High pressure area
B.Extratropical low-pressure system
C.Tropical storm
D.Easterly wave
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A.a high pressure area
B.an extratropical cyclone
C.a tropical storm
D.an easterly wave
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
最新試題
The southeast trade winds actually blow toward the（）.
When your vessel is on or near the path of an approaching tropical storm the（）.
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
The passing of a low pressure system can be determined by periodically checking the（）.
When experiencing heavy winds，you should reef sails to（）.
When a tornado moves over the water from land it is called a（）.
The strong wind will make us（）here for some days.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.