单项选择题

A.fluctuatesB.remains the sameC.remains the same，with c……

After a cold front passes the barometric pressure usually（）.

A.fluctuates
B.remains the same
C.remains the same，with clouds forming rapidly
D.rises，often quite rapidly，with clearing skies

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热门试题

单项选择题A WIND BLOWS ROUND ANTICLOCKWISE defines（）.

A.Backing (of wind)
B.Beach (to)
C.Veering (of wind)
D.Maintaining direction of the wind

单项选择题A weather map is a synoptic data because it（）.

A.summarizes a great deal of information
B.can be interpreted accurately
C.appears daily
D.is prepared by the Weather Bureau

单项选择题A weather forecast states that the wind will commence backing. In the Northern Hemisphere，this would indicate that it will（）.

A.shift in a clockwise manner
B.shift in a counterclockwise manner
C.continue blowing from the same direction
D.decrease in velocity

单项选择题A tropical wave is usually preceded by（）.

A.tropical storms
B.good weather
C.heavy rain and cloudiness
D.heavy seas

单项选择题A tropical wave is located 200 miles due west of your position，which is north of the equator. Where will the wave be in 24 hours? （）

A.Farther away to the west
B.Farther away to the east
C.In the same place
D.Closer and to the west