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What is the relationship between chemicals and America’s agricultural prosperity?
What is the relationship between chemicals and America’s agricultural prosperity?
admin
2015-03-11
67
问题
What is the relationship between chemicals and America’s agricultural prosperity?
选项
A、They did not affect it.
B、They helped to create it.
C、They slowed it down.
D、They almost destroyed it.
答案
B
解析
细节题。文章最后说到这些化学肥料在美国农业的发展中起着非常重要的作用，并促成了这个历史不长的国家的繁荣，故选B项。
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0
专业英语四级
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