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【题目】我国山地面积占1/3,山区面积占2/3。山区的优势是(  )

A. 发展农业多种经营 B. 开发生态旅游

C. 基础设施建设难度较小 D. 山区生态环境与平原相比,并不脆弱

【答案】AB

【解析】我国地形复杂多样,山区面积广大,地形复杂为我国发展多种农业提供了基础,山区多可以发展多种农业以及开放生态旅游,但是山区多,交通不好,基础设施建设难度较大,山区生态环境与平原相比,十分脆弱,易发山体滑坡;故选项AB正确。

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