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【题目】下表为我国各类地形面积占全国面积的百分比,回答10~12题。

类型

山地

高原

盆地

平原

丘陵

百分比(%)

33

26

19

12

10

【1】构成我国地形的骨架是

A.高原

B.山脉

C.盆地

D.丘陵

【2】下列关于我国地形的说法,不正确的是

A.类型复杂多样

B.山地面积最大

C.各类地形交错分布

D.平原、丘陵多集中分布在热带地区

【3】下列关于如何实现山区社会、经济和生态可持续发展的叙述,错误的是

A.山区风景秀丽,开发生态旅游

B.砍伐与抚育更新相结合,大力发展林业

C.大量砍伐林木,以满足市场需要

D.山区急流水能丰富,积极建设水电站

【答案】

【1】B

【2】D

【3】C

【解析】

试题分析:【1】由图可知,在我国主要的地形中,山脉所占的比例最大,所以山脉是构成我国地形的骨架,故选B。

【2】我国地形的特点是:地形复杂多样,以高原山地为主,各类地形交错分布,山地面积最大,平原和丘陵主要分布在我国东部季风区(属于温带),D错。故选D。

【3】山区风景秀丽,可以开发生态旅游,山区急流水能丰富,还可以积极建设水电站,对于林区要砍伐与抚育更新相结合,大力发展林业,不能过度砍伐林木,以满足市场需要,C错。故选C。

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