A.Coming cold weather conditions
B.A warm front weather condition
C.High pressure conditions
D.Scattered cumulus cloudsduring the day
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A.light，variable winds with little or no humidity
B.strong，gusty winds that blow from the same general direction all year
C.steady winds that reverse direction semiannually
D.strong，cyclonic winds that change direction to conform to the passage of an extreme low pressure system
A.forest fires
B.smoke from industrial areas
C.dust or sand storms
D.water droplets with the relative humidity more than 95%
A.clockwise direction
B.northeasterly direction
C.northerly direction
D.counterclockwise direction
A.moderate but easily navigated
B.calm
C.mountainous and confused
D.mountainous but fairly regular as far as direction is concerned
A.NNW
B.WSW
C.ESE
D.SSW
最新試題
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
The passing of a low pressure system can be determined by periodically checking the（）.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
MIST is caused by（）.
The wind is（）and decreasing.
In the relatively calm area near the hurricane center，the seas are（）.
When experiencing heavy winds，you should reef sails to（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
When a tornado moves over the water from land it is called a（）.