单项选择题

A katabatic wind blows（）.

A.up an incline due to surface heating
B.in a circular pattern
C.down an incline due to cooling of the air
D.horizontally between a high and a low pressure area

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热门试题

单项选择题A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXCEPT（）.

A.higher than normal swells
B.high winds
C.winds veering from south，through west，to northwest
D.light showers

单项选择题（）causing strong winds and rough sea north west Bay of Biscay.

A.Strong low pressure
B.Strong high pressure
C.Steep pressure gradient
D.Steep gradient pressure

单项选择题Isobars on a synoptic chart are useful in predicting（）.

A.temperature
B.dew point
C.wind velocity
D.relative humidity

单项选择题When a wind blows round clockwise，it is（）.

A.Variable
B.Changing
C.Backing
D.Veering