精英家教网 > 高中英语 > 题目详情

The bark of some species of oak trees yields substance used in ____ leather.


  1. A.
    treating
  2. B.
    to treat
  3. C.
    its treatment
  4. D.
    it treats
A
解析:
介词后面只能跟动词的v+ing形式。不必十分清楚这句话的意思,便可选定A. treating。而因为缺少介词of引导的短语of leather,故不能使用C. its treatment中的名词treatment构成词组:in treatment of leather(最好说:in leather treatment)。
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B

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