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【题目】下表是2012年世界四个地区人口相关数据表,据表回答下列各题。

地区

总人口(万人)

出生率(%)

死亡率(%)

地区生产总值(亿美元)

130

1.78

0.62

160

820

0.55

0.60

908

1900

1.79

0.81

190

4800

1.24

0.64

1036

1四个地区中,人口老龄化趋势最明显的是

A. ①地区 B. ②地区 C. ③地区 D. ④地区

2①地区在四个地区中

A. 经济发展水平最低 B. 年净增人口最多

C. 人口年龄结构最年轻 D. 劳动力资源最丰富

【答案】

1B

2C

【解析】试题分析:

1】自然增长率=出生率-死亡率。地区的出生率、死亡率都最低,自然增长率也小,说明地老龄化最为显著。选B正确。

2地区出生率高,死亡率低,人口自然增长率较高,人口年龄结构最年轻;年净增人口多,但人口总数少,年净增人口不是最多;人口总数少,劳动力资源不是最丰富的;人均收入低,但经济发展水平最你低的是地区,不是;选C正确。

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