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    【题目】2000～2010年内蒙古全区常住人口增长4.0%，同期乡村常住人口减少17.8%。乡村人口迁移对生态脆弱区植被覆被影响较大。据此，完成下列问题。

    【1】内蒙古的人口变化表明（ ）

    A．区内人口大量迁出

    B．区内人口大量迁入

    C．城市化快速发展

    D．牧区生态持续恶化

    【2】内蒙古乡村人口迁移最可能直接导致（ ）

    A．乡村植被覆被减少

    B．乡村植被覆被增加

    C．城市植被覆被减少

    D．城市植被覆被增加

    【答案】

    【1】C

    【2】B

    【解析】

    试题分析：

    【1】材料“内蒙古全区常住人口增长4.0%”说明本区人口增长较快，“同期乡村常住人口减少1.78%”说明人口从乡村迁出，前往城市，城市人口增加，也就是城市化快速发展。乡村人口大量迁出，牧区生态得到改善。故选C。

    【2】内蒙古乡村人口迁出，最直接的影响是使乡村生态环境得到改善，植被覆被增加。间接地使城市化加速，使城市植被覆被减少。故选B。

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