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【题目】读长江水系示意图,完成下列问题。

(1)长江发源地A地 山脉,注入东海,全长 千米。

(2)长江水能资源丰富,B地是 水利枢纽工程,也是世界最大水电站。

(3)C地是 (城市名),这里是中游和下游的分界。

(4)D处是 平原,这里是我国洪涝多发区。

【答案】

(1)唐古拉 6300

(2)三峡

(3)湖口

(4)长江中下游

【解析】

试题分析:

(1)长江是我国第一长河和第一大河,长江发源于青藏高原的唐古拉山,最终注入东海,全场6300多千米,故A是唐古拉山,长江全长6300千米。

(2)长江中上游地区流经我国地势的阶梯交界处,水能资源丰富,长江干流上有我国最大的水利枢纽三峡水电站,故B是三峡水电站。

(3)长江上中游的分界线是湖北宜昌,中下游的分界线是江西湖口,故C是湖口。

(4)长江流经我国的青藏高原、云贵高原、四川盆地和长江中下游平原,由于中下游长江中下游平原地势较低,洪涝灾害频繁,故D处是长江中下游平原。

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