[题目]下图为某河流域局部图.一业余科考队从①地出发.沿该河主河道沿岸.对①②③④地进行科学考察.完成下面小题.[1]科考队走过的①②③④地所在的省区依次是( )A. 内蒙古.陕.晋.鲁 B. 晋.鲁.内蒙古.秦C. 内蒙古.晋.秦.鲁 D. 晋.陕.鲁.内蒙古[2]科考队经过对四地的粗略考察.得出如下结论:①地土地荒漠化严重,②地所在的省份� 题目和参考答案——青夏教育精英家教网—

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【题目】下图为某河流域局部图。一业余科考队从①地出发，沿该河主河道沿岸，对①②③④地进行科学考察。完成下面小题。

【1】科考队走过的①②③④地所在的省区依次是( )

A. 内蒙古、陕、晋、鲁 B. 晋、鲁、内蒙古、秦

C. 内蒙古、晋、秦、鲁 D. 晋、陕、鲁、内蒙古

【2】科考队经过对四地的粗略考察，得出如下结论：①地土地荒漠化严重；②地所在的省份已经根治了水土流失；③地水土流失依然严重；④地地上悬河是两岸人民生命、财产的安全隐患。你认为科考队对哪一个地方的考察结论与事实不符( )

A. ① B. ②

C. ③ D. ④

【答案】

【1】C

【2】B

【解析】试题分析：

【1】①位于内蒙古自治区，②位于山西省，③位于陕西省，④位于山东省，该四个省区的简称依次是内蒙古、晋、陕或秦、鲁，故选C．

【2】①西北地区远离海洋、深居内陆，降水稀少，土地荒漠化严重．在内蒙古中部，黄河急转南下，流出区境，把黄土高原一分为二：西面是③陕北高原，东面是②山西高原，由于土质疏松，植被稀少，在夏季暴雨的冲刷下，水土流失严重．近几十年来，通过对黄土高原进行大规模的整治，这里的生态环境逐渐发生了喜人的变化．黄河⑤下游游荡在华北平原上，河床宽坦，水流缓慢，泥沙大量淤积，使河床平均高出两岸地面4～5米，成为举世闻名的“地上河”，故选B．

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