托福考试优秀及思路解释5.docxVIP

Word文档下载后（可任意编辑） 第 第 PAGE 1 页 共 NUMPAGES 1 页 托福考试优秀及思路解释5 一篇好的作文，文中一定是有一些点睛的句子或者词组的，那么除了我们自己想出的内容，还有一个快速的通道就是多看范文，整理了很多范文，都在托福考试里面，有需要的小伙伴快去看看吧！ 21. The causes of peoples longevity today  In general, people are living longer now. Discuss the causes of this phenomenon. Use specific reasons and details to develop your essay.  『分析』  现象描述：20世纪初全球平均年龄(life expectancy)大约45岁。到20世纪末，这个数字已经增长到70岁左  右。  人们越来越长寿的原因：  越来越好的饮食条件，饮食卫生，越来越科学的饮食模式  越来越发达的医疗技术、越来越完善的医疗保健系统  经济稳定、社会稳定。极端的例子：前苏联(the previous Soviet Union)解体(disintegration/breakup)  后，俄罗斯的平均年龄大幅度下降  『范文』  Among various factors that contribute to todays longevity of people are three most obvious ones: the improvement of food conditions, the development of modern medical technology, and finally current stability of economy in our country.  Food conditions are better than before and are still being developed with a rapid pace. First of all, foods are more hygienic. People today drink untainted mineral water, sterilized skim milk, which are cheaply supplied in supermarkets. Furthermore, foods are more nutrient. Not to mention various carefully designed nutrient products. People can just ignore the possibility of being dystrophic, since they can keep nutrient balance by simply taking a cheap pill of vitamin compound every day. Another essential improvement that contributes to peoples longevity is swiftly developing medical technology. Development of modern medical technology has always been amazing. Certain diseases such as tuberculosis, pneumonia, and dysentery are now easy to remedy with low expenses, but in the past, they are all probably lethal ones. The dental technology seems developed little except its exorbitantly charged bill, yet the simplest technology contributes to peoples 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 a