第一部分、四六级作文：阐述主题题型作文写作步骤
英语四六级作文阐述主题题型，要求考生从一个主题出发，按照提纲的要求进行写作，如：2005年12月四级作文、2005年6月四六级作文、2003年1月四级作文。对这类题型，通常分为三个步骤来写：
第一段、总结描述
先用一句话描述当今社会的某种现象或者事物，并且用简单的话扩展说几句：
主题句＋扩展句
第二段、举例说明现象
主题句＋举例1+举例2+举例3
第三段、表明自己的观点并结束全文
在结尾的时候，一定要表明自己的观点。
第二部分、阐述主题题型作文写作范文练习
［实战演练］
Directions：For this part, you are allowed thirty minutes to write a composition on the topic Pollutions. You should write at least 120 words and you should base your composition on the outline below:
1、目前污染问题已经成为人们普遍关注的一个问题；
2、造成污染问题的原因；
3、解决办法。
［写作模板：架构阶段］
第一段：
主题句：________has become a serious problem about which we worry.
扩展句：1、Wherever we turn, we find ________.
2、And this is threatening the survival of the human race.
第二段：
主题句：The real problem with _______ is _____.
扩展句：1、It is ____ that _____.
2、It is also _____ that ________.
3、Ironically, it is _______ itself that _____.
第三段：
结尾句：We must do something to solve _____.
扩展句：1、First of all,we must let everyone see the imprtance of ____.
2、Then we _____
3、Only when everyone makes a joint-effcet to ____can this problem be solved.
［写作模板：填充阶段］
第一段：
主题句：Pollution has become a serious problem about which we worry.
扩展句：1、Wherever we turn, we find pollution: polluted air, polluted water, polluted food and polluted environment.
2、And this is threatening the survival of the human race.
第二段：
主题句：The real problem with pollution is people.
扩展句：1、It is people that throw millons of tons of waters into rivers, lakes and seas.
2、It is also people that destroy tbiologic balance of nature.
3、Ironically, it is the people themselves that must breathe, eat and drink their own pollutants.
第三段：
结尾句：We must do something to solve our environmental problems.
扩展句：1、First of all,we must let everyone see the imprtance of keeping our enviroment clean.
2、Then we make more strict laws to protect our surroundings from being spoiled.
3、Only when everyone makes a joint-effcet to eliminate pollution can this problem be solved.
第三部分、范文
Pollution has become a serious problem about which we worry.Wherever we turn, we find pollution: polluted air, polluted water, polluted food and polluted environment.And this is threatening the survival of the human race.
The real problem with pollution is people.It is people that throw millons of tons of waters into rivers, lakes and seas.It is also people that destroy tbiologic balance of nature. Ironically, it is the people themselves that must breathe, eat and drink their own pollutants.
We must do something to solve our environmental problems.First of all,we must let everyone see the imprtance of keeping our enviroment clean.Then we make more strict laws to protect our surroundings from being spoiled.Only when everyone makes a joint-effcet to eliminate pollution can this problem be solved.
