2. 外语
  3. According to the author, the greatest mistake of our forefathers was that ______. It can be inferred from the third paragraph t

According to the author, the greatest mistake of our forefathers was that ______. It can be inferred from the third paragraph t

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问题 According to the author, the greatest mistake of our forefathers was that ______.
It can be inferred from the third paragraph that earlier generation didn’t realize ______.
选项 A、the importance of the proper use of land
B、the interdependence of water, soil, and living things
C、the value of the beauty of nature
D、the harmfulness of soil destruction and river floods
答案D
解析 推理判断题。从We need to know why all watersheds(流域) need the protection of plant life and why the running current of streams and rivers must be made to yield their full benefit to the soil...可以推断水、土壤和生物是相互依赖的，而这是我们在改正前人的错误上需要做的事情，说明以前的人没意识到这一点。B项正确。
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大学英语四级

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