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新托福阅读解析:Saving Soil and Cropland

2017-04-24 11:38:57来源：新东方在线整理

　　为了帮助大家熟悉托福阅读考试内容，新东方在线托福网为大家带来新托福阅读解析:Saving Soil and Cropland一文，希望对大家托福备考有所帮助。

　　The 1930s Dust Bowl that threatened to turn the United States Great Plains into a vast desert was a traumatic experience that led to revolutionary changes in American agricultural practices, such as the planting of tree shelterbelts—rows of trees planted beside fields to slow wind and thus reduce wind erosion.

　　Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.

　　The 1930s Dust Bowl was a revolutionary event that threatened to destroy United States agriculture by turning the Great Plains into a vast desert.

　　The 1930s Dust Bowl in the united States resulted in radical changes in agricultural practices aimed at reducing wind erosion, such as the planting of tree shelterbelts.

　　Tree shelterbelts, which are often used in the Great Plains area, are made up of the trees that are planted in long rows beside agricultural fields.

　　Of all the innovative techniques used to control wind erosion after the 1930s Dust Bowl, only tree shelterbelts proved effective.(答案见下一页)

本文关键字: 2017年4月23日托福 托福阅读考试回忆

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