The passage is mainly about the differences between conventional and organic fanning. Different from large organic farms, small

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问题 The passage is mainly about the differences between conventional and organic fanning.
Different from large organic farms, small organic farms were mainly, engaged in ______ .

选项

答案mixed vegetable production

解析 本题涉及到大型有机农业与小型有机农业的区别,从而将题目出处定位到Organic Farming in the U. S. Today部分。该部分第二段即为答案出处。
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