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【题目】在爬山的过程中小明他们遇到了降雨,你认为这种雨最有可能是(  )

A.对流雨B.地形雨C.台风雨D.锋面雨

【答案】B

【解析】

根据空气上升运动的原因和形式,把降水分成三种主要类型:对流雨、地形雨、锋面雨.对流雨是空气受热膨胀上升,一般在气温较高,比较炎热的赤道地区,容易形成对流雨;地形雨是湿润气流受到山地的阻挡,被迫“爬升”,在迎风坡形成地形雨,地形雨多发生在山地迎风坡;锋面雨是冷暖空气相遇,暖空气比较轻,被冷空气“抬升”,形成降水.我国东部大部分地区的降水是锋面雨,进行分析解答。

湿润空气水平运动时,遇到山地,暖湿气流被迫沿山坡爬升,随着海拔升高,气温降低,容易成云至雨,这种降雨类型被称为地形雨。因此小明他们遇到的降雨是地形雨。故选项B符合题意。故选:B。

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