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人的自然寿命应是多少?影响寿命的因素又有哪些?这些话题对老年人谈似乎比较合适,而对广大青年教师和学生谈,似乎为时过早了点,其实不然。随着社会的不断进步,物质文明的日益提高,人类的平均寿命虽然在不断增长,但是,古今中外享尽天年的人却是寥寥无几。据1982年第三次全国人口普查统计,全国百岁以上老人只有3765人,而据世界上平均寿命最长的国家——日本在1980年的调查,男性为73.46岁、女性为78.89岁,寿命
What are the factors that affect life expectancy? These topics seem to be more appropriate for the elderly. However, it seems too early for the vast number of young teachers and students to talk about it. Actually, it is not true. With the continuous progress of the society and the ever-increasing material civilization, the average life expectancy of mankind has been on the rise. However, there are only a few people who have enjoyed an unprecedented number of years at home and abroad. According to the statistics of the Third National Census in 1982, there were only 3,765 old people over the age of 100 in the country. According to a survey conducted by Japan in 1980, the country with the longest average life expectancy in the world, men were 73.46 years old and women were 78.89 years old,