2. 外语
  3. The passage is mainly about the differences between conventional and organic farming. ______ are applied in conventional farmin

The passage is mainly about the differences between conventional and organic farming. ______ are applied in conventional farmin

admin2009-04-23  43
问题 The passage is mainly about the differences between conventional and organic farming.
______ are applied in conventional farming for weed control.
选项
答案Synthetic herbicides
解析 本题是问在传统农业中农民使用什么来控制杂草，这显然与农业生产有关，故将答案锁定在小标题Production：Organic vs. Conventional部分，再根据conventional farming将答案进一步缩小到该部分下面的Conventional farmers处，根据第三点便可得出答案。
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大学英语六级

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