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前段时间为gre考生汇总了gre issue写作提纲思路和分析，希望对考生在攻破gre issue写作上有所帮助。接下来的几天我们将为gre考生整理gre argument部分的提纲内容。希望通过我们的整理和汇总，让gre考生真正能掌握gre写作的精髓。 题目题材：环境 gre argument 108题目： The following appeared in a Brenton newspaper. The Brenton power plant draws water from Scotts River for its cooling system and releases the warmed water back into the river. The town council recommends that the plant install a more efficient cooling system that uses less water, claiming it will be more environmentally sound. However, in Uptown, where the new system is used, a study found that the complex network of pipes in the new system tends to accumulate algae. The build up of algae can be avoided by scrubbing the pipes, which is costly, or by adding an herbicide to the water in the pipes to prevent algae accumulation. But water containing the herbicide cannot be released back into the river and it is known that low water levels can harm river ecosystems accustomed to higher levels. Therefore, Brenton power plant should continue to use the old cooling system exclusively. 提纲： The problem in Uptown may not necessarily also occur in Brenton. The author does not provide any evidence to illustrate the necessity of eliminating algae. | 
