A.Hill of low pressure
B.Trough of low pressure
C.Valley of low pressure
D.Ridge of low pressure
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A.Hurricane
B.Tropical disturbance
C.Tropical depression
D.Cyclone
A.anticlockwise rotating
B.anticlock rotating
C.clockwise rotating
D.clock rotating
A.To stay
B.Staying
C.Stay
D.Stayed
A.Southeast
B.South
C.East
D.Northwest
A.Thermometer
B.Hygrometer
C.Barometer
D.Anemometer
最新試題
In the relatively calm area near the hurricane center，the seas are（）.
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（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
The doldrums are characterized by（）.
Two well-developed high pressure areas may be separated by a（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
The wind is（）and decreasing.
In regions near the poles，the winds are generally described as（）.
In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.