托福写作TPO41综合写作阅读&听力文本(完全正确版)5页.doc
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1、如有侵权,请联系网站删除,仅供学习与交流托福写作TPO41综合写作阅读&听力文本(完全正确版)【精品文档】第 5 页ReadingBurning coal in power plants produces a waste product called coal ash, a material that contains small amounts of potentially harmful chemicals. Environmentalists in the United States are concerned about the damage such harmful chemical
2、s may be doing to the environment and suggest that the United States government should create new, much stricter regulations for handling and storing coal ash. However, representatives of power companies take the opposite view: they argue that new regulations are unnecessary and might actually have
3、negative consequences. They use the following arguments to support their positionRegulations ExistFirst, power company representatives point out that effective environmental regulations already exist. For example, one very important regulation requires companies to use linerspecial material that pre
4、vents coal ash components from leaking into the soil and contaminating the surrounding environment. Companies that dispose of coal ash in disposal ponds or landfills must use liner in every new pond or landfill they build.Concerns About Recycling Coal AshSecond, some analysts predict that creating v
5、ery strict rules for storing and handling coal ash might discourage the recycling of coal ash into other products. Currently, a large portion of coal ash generated by power plants is recycled: it is used, for example, in building materials such as concrete and bricks. Recycling coal ash reduces the
6、need to dispose of it in other ways and presents no environmental danger. However, if new, stricter rules are adopted for handling coal ash, consumers may become concerned that recycled coal ash products are just too dangerous, and may stop buying the products.Increased CostFinally, strict new regul
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