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【题目】关于我国人口的叙述,正确的是( )

A. 我国人口占世界的30% B. 我国人口西北多,东南少

C. 我国人口地理界线是内蒙古黑河——云南腾冲一线 D. 我国人口基数大,增长快

【答案】D

【解析】

A、根据2010年全国第六次人口普查结果,中国总人口为13.7亿,约占世界人口总数的1/5以上,是世界上人口最多的国家。故A不符合题意;B、C中国人口地区分布不均。一般来说,以黑河-腾冲线为界,东部地区人口多(稠密),西部地区人口少(稀疏).故B、C不符合题意;D、由于我国人口基数大,青少年的比重高,在今后一段较长的时期内,人口总量还将持续增长。因此,实行计划生育,控制人口的数量,提高人口的质量,是我国一项长期的基本国策,故选D。

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