[题目]我国东南部人口稠密.西北部人口稀疏.其分界线大致是( )A.漠河﹣腾冲B.黑河﹣腾冲C.800mm等降水量线D.昆仑山﹣祁连山﹣横断山题目和参考答案——青夏教育精英家教网—

【题目】我国东南部人口稠密，西北部人口稀疏，其分界线大致是（）
A.漠河﹣腾冲
B.黑河﹣腾冲
C.800mm等降水量线
D.昆仑山﹣祁连山﹣横断山

【答案】B
【解析】自20世纪70年代初期我国大力推行计划生育政策以来，全国大约少生了约4亿人，人口过快增长的势头得到有效遏制．特别是近十年来，人口的出生率和自然增长率明显下降．中国人口的地理分布以黑河﹣﹣﹣滕冲为地理分界线，东部地区人口多，西部地区人口少．具体表现为沿海、沿河、沿湖地区人口多，干旱荒漠地区人口少；平原、盆地人口多，山地、高原人口少；经济和交通运输发达的地区人口多，经济落后、交通闭塞的地区人口少；城镇密集、工业发达的地区人口多，偏僻的农业、牧业地区人口少；汉族地区人口多，大部分少数民族地区人口少．根据题意．故选：B．

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