【題目】關(guān)于我國人口的敘述，正確的是（ ）

A. 我國人口占世界的30% B. 我國人口西北多，東南少

C. 我國人口地理界線是內(nèi)蒙古黑河——云南騰沖一線 D. 我國人口基數(shù)大，增長快

【答案】D

【解析】

A、根據(jù)2010年全國第六次人口普查結(jié)果，中國總?cè)丝跒?/span>13.7億，約占世界人口總數(shù)的1/5以上，是世界上人口最多的國家。故A不符合題意；B、C中國人口地區(qū)分布不均。一般來說，以黑河-騰沖線為界，東部地區(qū)人口多（稠密），西部地區(qū)人口少（稀疏）．故B、C不符合題意；D、由于我國人口基數(shù)大，青少年的比重高，在今后一段較長的時期內(nèi)，人口總量還將持續(xù)增長。因此，實行計劃生育，控制人口的數(shù)量，提高人口的質(zhì)量，是我國一項長期的基本國策，故選D。

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