备考托福想要拿高分，跟平时的刻苦学习和练习是分不开的，启德考培小编为大家带来托福阅读考试练习经典素材之堤坝，希望可以帮助考生度过考试的难关。

　　托福阅读考试练习经典素材：堤坝

　　内容回忆：

　　提到了修建大坝对人们的生活等各方面带来不少好处。比如说可以用于农业灌溉，发电，防洪以及蓄水等功能。对此政府本来想要发展就见大把的项目。但文章后半部分也有说修建大坝的一些负面影响，以某一条和例子，讲了在修建大坝之后，该河域的水质受到污染，水里的生物渐渐变少。所以后面类似的计划有没有进一步发展。

　　参考阅读：

　　For nearly a century, two United States governmental agencies, the United States Army Corps of Engineers and the Bureau of Reclamation, have constructed dams to store water and to generate electricity. Building these dams provided cheap electricity, created jobs for workers, stimulated regional economic development, and allowed farming on lands that would otherwise be too dry. But not everyone agrees that big dam projects are entirely beneficial. Their storage reservoirs stop the flow of rivers and often submerge towns, farms, and historic sites. They prevent fish migrations and change aquatic habitats essential for native species.

　　所考词汇：

　　acute = severe; commonplace = ordinary; dismiss = reject; excrete = release; notion = idea

　　rudimentary = primitive; significant = important

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