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【题目】下表为某国不同年份人口增长变化比较表,据此完成下列问题。

年份

出生率%

3.8

2.8

4.1

1.5

死亡率%

1.8

1.5

3.9

0.8

自然增长率%

2

1.3

0.2

0.7

【1】根据人口增长特点变化的一般规律,表中所示四年份的先后顺序最有可能是

A.

B.

C.

D.

【2】目前该国

A.外迁人口增多

B.少年儿童比重降低

C.老龄化趋势减缓

D.社保负担减轻

【答案】

【1】D

【2】B

【解析】

试题分析:

【1】在早期人口表现为人口增长为原始型:高出生率、高死亡率、低自然增长率;再后来为传统型:高出生率、低死亡率、高自然增长率;再以后过渡型:高出生率、低死亡率、高自然增长率;此时出生率比传统型小;最后为现代型:低出生率、低死亡率、低自然增长率。

【2】目前该国是现代型的人口增长模式,老龄化趋势明显,社保养老负担重;少年儿童比重低;吸引外来人口。选B。

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