托福口语经典文章系列之摩天大楼


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  托福口语备考过程中大家往往会用到一些素材或者模板之类的,其实一些优秀的托福口语范文也是非常不错的。不知道大家在平时的备考过程中收集到了哪些,今天小编在这里为大家整理了托福口语经典文章,希望对大家托福口语提分有帮助。

托福口语必背篇经典文章:摩天大楼Skyscrapers and Environment
In the late 1960's, 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 (or gain)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 city's 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.
以上就是小编为大家整理的托福口语备考必背的经典文章,大家一起来看看这些文章是如何获得高分的吧,希望这些可以帮助以大家广大考生。最后,小编预祝大家托福考试能取得理想的成绩。


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