2013雅思考试备考:雅思作文考试分类话题必备题(5)
4. 自然资源怎样保护? 母题:Fossil fuels, such as coal, oil, natural gas, are used in many countries. But in some countries, the use of alternative sources of energy, including wind and solar power, are encouraged. Is this trend a positive or a negative development? (090530)、 提示:这道题目问的是新能源alternative energy的优缺点。优点:取之不尽用之不竭inexhaustible,更环保environmentally-friendly, 缺点:核能 nuclear power会引发安全事故,水能hydropower会破坏生态环境upset the ecological balance, 太阳能solar power 成本太高,风能wind power会产生次声波污染infrasonic wave. 子题:淡水资源怎样保护?是什么原因导致了石油、森林和淡水资源的紧张,怎样解决?解决环境问题的最佳方法是提高... [ 查看全文 ]2013雅思考试备考:雅思作文考试分类话题必备题(5)的相关文章