子题:
淡水资源如何保护?
是什么原因导致了石油、森林和淡水资源的紧张,如何解决?
解决环境问题的最佳方法是提高石油的价格吗?
5. 交通工具
母题:One long-distance flight consumes fuel which a car uses in several years time, but they cause the same amount of pollution. So some people think that we should discourage non-essential flights, such as tourist travel, rather than to limit the use of cars. To what extent do you agree or disagree?
提示:这道题目是经典老题,多次在雅思考试中出现。题目中的理由有明显的逻辑漏洞,因为飞机承载的乘客数量和行驶的距离要远大于汽车,因此先驳斥理由,再讲飞机被禁止的后果就可以了。
子题:
汽车会带来哪些问题?
廉价航空是否应当被推广?
6. 食品安全
母题:Some people support the developments in agriculture such as factory farming and creations of new types of fruits and vegetables, while others oppose this view. Discuss both views and give your opinion.
提示:工厂化农业factory farming提高了农产品的产量,但也祸害无穷。比如大规模喷洒化学肥料chemical fertiliser和农药pesticide,集中式养殖battery farming会侵害动物权利,也使得肉类安全受到威胁。转基因食品genetically modified food虽然改善了食物的品质和产量,但是破坏生态平衡,对人体健康构成潜在的威胁。
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