A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts
您可能感興趣的試卷
你可能感興趣的試題
A.Coming cold weather conditions
B.A warm front weather condition
C.High pressure conditions
D.Scattered cumulus cloudsduring the day
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
最新試題
The direction of prevailing winds in the Northern hemisphere is caused by the（）.
Monsoons are characterized by（）.
In the relatively calm area near the hurricane center，the seas are（）.
What kind of pressure systems travel in easterly waves（）.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
When your vessel is on or near the path of an approaching tropical storm the（）.
MIST is caused by（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.
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（）.