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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

  这道题真的不选A……而必须选B。

  Saving cropland is sometimes more difficult than saving the topsoil on the cropland. This isparticularly the case when dealing with urban sprawl, where strong commercial forces have influence. With cropland becoming scarce, efforts to protect prime farmland from urban spread are needed everywhere. Japan provides a good example of such efforts. It has successfully protected rice paddies even within the boundaries of Tokyo, thus enabling it to remain self-sufficient in rice, its staple food.

  In paragraph 6, the author refers to Tokyo, Japan, in order to

  explain why Japan is not likely to experience problems with soil erosion in the future

  provide evidence of the importance of maintaining cropland close to big cities

  point to an approach for reducing urban spread into croplands that has had positive results

  argue for the use of Japanese techniques to prevent erosion in the United States.(答案见下一页)

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