2. 外语
  3. The passage is mainly about the differences between conventional and organic fanning. According to the USDA, ______ tend to be

The passage is mainly about the differences between conventional and organic fanning. According to the USDA, ______ tend to be

admin2009-08-19  42
问题 The passage is mainly about the differences between conventional and organic fanning.
According to the USDA, ______ tend to be reduced in organic food production.
选项
答案input costs
解析 本题涉及到有机食物产品降低的原因，从而将答案出处定位到Why Should I Care if a Food is Organic?部分。该部分首段首句According to the USDA, organic food production allows farmers to lower input costs即为答案出处。题千中的reduced对应文中的lower。
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大学英语六级

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