【题目】下列关于人口的叙述,错误的是( )
A.人口增加可以提供更多的劳动力,因此不必限制人口的数量
B.为了满足增加人口所需的粮食,乱垦滥伐会加重水土流失
C.人口自然增长率较高的国家一般都是发展中国家
D.目前人口最多的大洲是亚洲
【答案】A
【解析】
地球上的自然资源是有限的,人类在地球上的生存空间同样是有限的。世界人口的急剧增长,社会经济的迅速发展,给资源和环境造成了空前的压力,也给人类的生存和发展带来了一系列的问题。人口的自然增长主要是由出生率和死亡率决定的。人口自然增长率与经济发展水平有密切联系。近几十年来,随着生活和医疗水平的提高,婴儿死亡率逐渐降低,人的寿命不断延长。这样就促使世界人口迅速增长。一般来说,经济发展水平高的国家,人口的自然增长较慢;经济发展水平低的国家,人口的自然增长较快。亚洲、非洲和拉丁美洲的一些国家,人口增长过多过快,给社会经济发展造成很大压力,使居民的就业、居住、教育、医疗等问题难以解决,还有一部分国家则长期处于贫困状态。目前人口最多的大洲是亚洲。在欧洲的一些国家,比如意大利、德国和瑞典,近些年来人口一直处于负增长状态,已引起劳动力短缺、人口老龄化等问题。故选:A。
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