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    【题目】据报载，我国江西省中南部山区出现大片“红色荒漠”，即在亚热带湿润的岩溶地区，土壤遭受严重侵蚀，基岩裸露，地表出现类似荒漠化景观的土地退化现象。据此，回答下列问题。

    【1】

    A. 风化作用 B. 风蚀作用 C. 水蚀作用 D. 沉积作用

    【2】

    A. 滥伐森林 B. 过度放牧 C. 开山取石 D. 环境污染

    【答案】

    【1】C

    【2】A

    【解析】试题分析：

    【1】红色沙漠出现在亚热带湿润的岩溶山区，该区域降水多，表层土壤薄，加上地势起伏较大，土壤被侵蚀后，岩石裸露，岩溶被侵蚀，出现红漠化现象，所以主要是水蚀作用。风蚀作用最典型是在西北地区，沉积作用在地势平坦的地区。故选C。

    【2】红漠化主要的原因是植被覆盖率小，滥伐森林破坏了地表植被，加剧荒漠化，A对。江西位于湿润地区，植被以森林为主；山区适合发展林业，不是畜牧业，B错。故选A。

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