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托福综合写作练习题：环保材料乙醇

2017-09-15 19:08:00来源：网络

三、托福综合写作听力笔记：

　　Main point: 三个理由都没有说服力

　　Sub point one: 乙醇燃料虽然会产生二氧化碳，但是制造乙醇燃料的作物在生长的过程中会吸收二氧化碳

　　Sub point two: 生产乙醇燃料使用的是动物不食用的部分，不会影响动物的饲料供应

　　Sub point three: 乙醇燃料的价格会在使用量增大后下降

　　四、托福综合写作范文(仅供参考)：

　　The professor in the lecture definitelybelieves that ethanol is a good alternative of the gasoline. His view point isdefinitely opposite to the statements made in the reading passage. Actually, hefinds the statements made by the reading passage unconvincing.

　　On one hand, the professor points out thatburning ethanol will not add to global warming as the statement mentioned inthe reading passage. Although burning ethanol will release carbon dioxide intothe atmosphere, the growing process will counteract the effort by absorbingcarbon dioxide in the air. Therefore, the professor finds the first statementin the reading passage unconvincing.

　　On the other hand, the professor indicatesthat producing ethanol will not reduce the amount of food for animals. In fact,the professor says we can produce ethanol by using cellule, which will not beeaten by animals. Therefore, the amount of plants for other use will notdecrease as the reading passage mentions.

　　What’s more, the professor counters thatethanol will compete with gasoline in terms of price. The professor indicatesthat the continuing support for ethanol will make the production of ethanol increase,and thus the price of ethanol will decrease in the future. Under thiscircumstance, the third statement made by the reading passage is unconvincing.

　　以上就是新东方在线托福网为你带来的托福综合写作练习题：环保材料乙醇，更多精彩敬请关注新东方在线托福网。

本文关键字: 托福写作练习题 托福写作

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