一般来讲，环保类话题分为三种类型，分别为环境类，动物类及资源类。而这三种类型的题目都有一些母题。考生在准备期间就可以按照这些母题来准备，后面任何题目内容的转变都是万变不离其宗的。
1. 环境类
（1） Somepeople think that environmental problems are too big for individuals to solve. Only governments and large companies can make a difference. To what extent do you agree or disagree?（关于谁为环境保护负责）
（2） Some people believe that air travel should be restricted because it causes serious pollution and will use up the world’s resources. To what extent do you agree or disagree?（交通工具的利弊比较）
2. 动物类
（1） Some people think it is necessary to use animals for testing medicines intended for human use. Others, however, think it is cruel to do that. Discuss both views and give your own opinion.（关于是否要用动物做实验的讨论）
（2） Many animal species in the world is becoming extinct. Some people say countries and other individuals should protect these animals from dying out, while others say we should concentrate more on problems of human beings. Discuss both views and give your own opinion.（关于是否要保护濒危动物的讨论）
3. 资源类
（1） Many countries use fossil fuels （coal, oil and natural gas） as the main source of energy. However, in some countries the use of alternative sources of energy such as wind energy and solar energy are encouraged. To what extent do you agree or disagree?（关于化石燃料和新能源的对比）
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