【題目】下列關(guān)于地形類型的說法，正確的是 （ ）

A. 盆地是一種四周低中間高的地形

B. 海拔在500米以上，頂面寬闊平坦的地形是平原

C. 海拔在500米以上，起伏很大，坡度陡峭的地形是山地

D. 高原、丘陵和盆地統(tǒng)稱為山區(qū)

【答案】C

【解析】

根據(jù)人們通常把陸地地形分為平原、高原、山地、丘陵和盆地五種基本類型。丘陵海拔較低，地面有起伏，坡度和緩，相對高度一般不超過200米。平原海拔較低，一般在200米以下，地面平坦遼闊。山地海拔較高，一般在500米以上，坡度陡峻，溝谷較深。高原海拔較高，一般在500米以上，地面坦蕩，邊緣比較陡峻．盆地四周高中間低，進行分析解答。

盆地是一種四周高中間低的地形，故A錯誤；

海拔在500米以上，頂面寬闊平坦、邊緣比較陡峻的地形是高原，故B錯誤；

海拔在500米以上，起伏很大，坡度陡峭的地形是山地，C正確；

山區(qū)是指山地、丘陵和比較崎嶇高原的合稱，故D錯誤。

故選：C。

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