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随着社会经济的发展,物质生活的富裕,医疗水平的提高,人们的平均寿命比以前有不同程度的延长。从几个国家的统计数字看(我国1987年,男性平均寿命67.06岁,女性平均寿命69.66岁)女性的平均寿命一般高于男性2～4岁,为什么有这种现象呢?这同他(她)们所处的社会环境和自身的生理心理因素有密切关系。
With the development of society and economy, the affluence of material life and the improvement of medical care, the average life expectancy of people has been extended to some extent than before. From the statistics of several countries (in 1987, the average life expectancy of men was 67.06 years and the average life expectancy of women was 69.66 years), the average life expectancy of women was generally higher than that of men aged 2 to 4 years. Why is this phenomenon? The social environment in which they live is closely related to their own physical and psychological factors.