冷锋和暖锋的共同特点是( ) A.冷空气在锋面以下            

冷锋和暖锋的共同特点是(  )

A.冷空气在锋面以下                        B.过境时气压升高

C.过境时天气转晴                          D.降水多发生在锋后

 

答案

A

冷锋和暖锋是一对对立性的天气系统,过境时、过境后的天气特征各不相同,但形成时的共同特点是冷空气都在锋面之下,因为冷气团密度较暖气团大。

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