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
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（）.
单项选择题 （）causing strong winds and rough sea north west Bay of Biscay.
单项选择题 Isobars on a synoptic chart are useful in predicting（）.
