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  3. In general, people are living longer now. Discuss the causes of this phenomenon.

In general, people are living longer now. Discuss the causes of this phenomenon.

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问题     In general, people are living longer now. Discuss the causes of this phenomenon.
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答案 People nowadays are living much longer than their counterparts in the past. In China, the average life expectancy has reportedly increased more than 4 years since 1990. Among various factors that contribute to this phenomenon are the continuously advancing food condition, the rapidly developing medical care system, and finally the current stable social and economic circumstance. The food condition overall is becoming better and better, and is an important factor that makes people live much longer than before. First of all, foods are more hygienic. People today drink untainted mineral water, and sterilized skim milk. Furthermore, foods are more nutritious, not to mention various carefully designed nutritious products. Of equal importance is the rapidly developing national medical care system. Development of modern technology has always been amazing. Certain diseases such as tuberculosis, pneumonia, and dysentery are now easy to remedy with low expense, but in the past, they are all probably lethal. Dental technology seems developed little except its exorbitantly charged bill, yet the simplest technology contributes to people’s longevity most. It is not difficult to imagine that if an individual who lived in the past got a toothache, without certain dental care which is common today, he was certainly in an awful prospect: he might even die of a toothache! Finally, the current stable economic circumstance is also a great influential factor. Social and economic circumstance has a dramatic effect on people’s life expectancy. It was reported that Russian life expectancy dropped from 70 to 58 shortly after the disintegration of the previous Soviet Union. Apparently, people have less pressure in a more stable society, and the less pressure they suffer, the healthier they are. At the same time, various types of insurance are readily available, which make people feel safe, therefore indirectly contributes significantly to longevity of people.
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