英語(yǔ)六級(jí)作文范文和題目 Health Gains in Developing Countries
六級(jí)作文題：
Directions: For this part, you are allowed thirty minutes to write a composition on the topic Health Gains in Developing Countries. You must base your composition on the following instructions (given in Chinese):
1. 以下圖為依據(jù)描述發(fā)展中國(guó)家的期望壽命（life expectancy）和嬰兒死亡率（infant mortality）的變化情況。
2. 說明引起變化的各種原因。
Health Gains in Developing Countries
范文：
In the developing countries great changes took place in life expectancy and infant mortality in the period from 1960 to 1990. In 1960 life expectancy was very low, while infant mortality ws very high. However, in 1990 life expectancy increased, whereas infant mortality declined.
There are many reasons for the changes, but in general, they come down to three major ones. First, their living conditions were improved. In the old days people in the developing countries suffered hunger and were exposed to the elements. Nowadays they are well fed and housed. Naturally they live longer than before. Besides, the medical condition was also improved and so the adequate medical treatment ensures the adults' health and reduces infant mortality. Most important of all, in the early 60s there were constant wars in some developing countries because of the colonial rule and so a lot of people were killed in wars. Nowadays most developing countries have become independent countries and their people live a peaceful life.
In conclusion, the national independence and social stability are responsible for these changes.
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