You are asked to write a composition in no less than 150 words according to the chart given below. Remember to write clearly on ANSWER SHEET 2. (1)以上图为依据描述发展中国家的预期寿命(life expectancy)和婴儿死亡率(inrant mortality)的变化情况。 (2)说明引起变化的原因。
【参考答案】
正确答案: Health Gains in Developing Countries In the developing......