【題目】下圖為某河流域局部圖。一業(yè)余科考隊從①地出發(fā)，沿該河主河道沿岸，對①②③④地進行科學考察。完成下面小題。

【1】科考隊走過的①②③④地所在的省區(qū)依次是( )

A. 內(nèi)蒙古、陜、晉、魯 B. 晉、魯、內(nèi)蒙古、秦

C. 內(nèi)蒙古、晉、秦、魯 D. 晉、陜、魯、內(nèi)蒙古

【2】科考隊經(jīng)過對四地的粗略考察，得出如下結論：①地土地荒漠化嚴重；②地所在的省份已經(jīng)根治了水土流失；③地水土流失依然嚴重；④地地上懸河是兩岸人民生命、財產(chǎn)的安全隱患。你認為科考隊對哪一個地方的考察結論與事實不符( )

A. ① B. ②

C. ③ D. ④

【答案】

【1】C

【2】B

【解析】試題分析：

【1】①位于內(nèi)蒙古自治區(qū)，②位于山西省，③位于陜西省，④位于山東省，該四個省區(qū)的簡稱依次是內(nèi)蒙古、晉、陜或秦、魯，故選C．

【2】①西北地區(qū)遠離海洋、深居內(nèi)陸，降水稀少，土地荒漠化嚴重．在內(nèi)蒙古中部，黃河急轉(zhuǎn)南下，流出區(qū)境，把黃土高原一分為二：西面是③陜北高原，東面是②山西高原，由于土質(zhì)疏松，植被稀少，在夏季暴雨的沖刷下，水土流失嚴重．近幾十年來，通過對黃土高原進行大規(guī)模的整治，這里的生態(tài)環(huán)境逐漸發(fā)生了喜人的變化．黃河⑤下游游蕩在華北平原上，河床寬坦，水流緩慢，泥沙大量淤積，使河床平均高出兩岸地面4～5米，成為舉世聞名的“地上河”，故選B．

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