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【题目】我国人口分布的基本特点是:以黑河-腾冲线划分,东南部人口稠密,西北部人口稀少。回答下列各题。

【1】对我国人口分布格局起决定性作用的主要是

A.地形和气候 B.土壤和植被

C.历史和文化 D.政治和经济

【2】西北地区总体人口稀少,但局部地区人口分布较集中,此类地区大多

A.海拔较低,热量充足 B.地处山麓,临近河流

C.矿产丰富,工业发达 D.平原广阔,土壤肥沃

【3】关于我国民族分布的说法,正确的是

A.各民族杂居,少数民族分散分布

B.少数民族相对集中在西北、西南和东南地区

C.少数民族相对集中在中部地区

D.少数民族相对集中在西北、西南和东北地区

【答案】

【1】A

【2】B

【3】D

【解析】

试题分析:

【1】人口、聚落分布区,主要是自然条件适宜生产、生活的地区,对我国人口分布格局起决定性作用的主要是地形和气候,A对。土壤和植被分布受地形、气候的制约,B错。历史和文化、政治和经济是人口分布格局形成后出现的,C、D错。

【2】西北地区总体人口稀少,但局部地区人口分布较集中,此类地区大多地处山麓,临近河流,水源较充足,适宜人类居住,B对。西北地区属于第二阶梯,海拔较高,热量没有优势,A错。西北地区矿产丰富,工业不发达,C错。沙漠面积广,土壤肥力较差,D错。

【3】我国民族分布的特点是各民族大杂居,小聚居,少数民族相对集中在西北、西南和东北地区,D对。A、B、C错。

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