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gre写作考试范文8:Skyscrapers and Environment

发布时间：2016-03-01 编辑：查字典英语网小编

　　下面是一篇关于Skyscrapers and Environment的gre写作范文。考生应该从范文中领会到整个文章的结构、用词等，这样才有助于gre写作的提高。

　　GRE 写作范文8：Skyscrapers and Environment

　　In the late 1960s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a city often overburdens public transportation and parking lot capacities.

　　Skyscrapers are also lavish consumers, and wasters, of electric power. In one recent year, the addition of 17 million square feet of skyscraper office space in New York City raised the peak daily demand for electricity by 120, 000 kilowatts-enough to supply the entire city of Albany, New York, for a day.

　　Glass-walled skyscrapers can be especially wasteful. The heat loss through a wall of half-inch plate glass is more than ten times that through a typical masonry wall filled with insulation board. To lessen the strain on heating and air-conditioning equipment, builders of skyscrapers have begun to use double-glazed panels of glass, and reflective glasses coated with silver or gold mirror films that reduce glare as well as heat gain. However, mirror-walled skyscrapers raise the temperature of the surrounding air and affect neighboring buildings.

　　Skyscrapers put a severe strain on a citys sanitation facilities, too. If fully occupied, the two World Trade Center towers in New York City would alone generate 2.25 million gallons of raw sewage each year-as much as a city the size of Stanford, Connecticut , which has a population of more than 109, 000.

　　gre写作考试范文只是给考生作为一个参考作用，一方面考生可以背诵这些优秀的gre写作范文，另一方面应该从中举一反三，不要只是一味地背诵。

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