题目内容

. ________ by the advances in technology, many farmers have set up wind farms on their land.

A. Being encouraged B. Encouraging

C. Encouraged D. Having encouraged

C。

解析:

根据句意和空格后的介词by短语可知，空格处应填一个表被动意义的选项，故可排除B和D；而选项A为现在分词的被动式，除表示被动外还表示动作在进行，与句意不符，故也排除。

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C．officer

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Long live our planet and its peoples. Long live the United Nations!

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2. B.
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3. C.
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4. D.
  the steps that have been taken to help developing countries
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1. A.
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2. B.
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4. D.
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1. A.
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2. B.
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3. C.
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