读黄河水系示意图,回答问题(3分)(1)黄河的发源地A是      

读黄河水系示意图,回答问题(3分)

(1)黄河的发源地A是                山脉。

(2)中游流经B(黄土高原)是我国          最严重的地区之一。

(3)黄河进入下游平原地区,河水流速减缓,泥沙沉积,河床抬高,成为“            ”

 

 

答案

(1)巴颜喀拉  (2)水土流失   (3)地上河

 

解析:

 

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