新疆维吾尔自治区地处亚欧大陆腹地，远离海洋，属于温带大陆性气

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新疆维吾尔自治区地处亚欧大陆腹地，远离海洋，属于温带大陆性气候区。读下图，完成问题。

该区域发展农业的有利条件有（）

A．夏季日照时间长，昼夜温差大

B．河流众多，水源充足

C．平原广阔，土壤肥沃

D．农业基础好，具有精耕细作的传统

该区域农业发展中最主要的生态问题是（）　　

A．不合理灌溉引发泥石流

B．过垦过牧导致土地荒漠化

C．不合理耕作导致洪涝灾害

D．坡地开垦导致水土流失

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