题目内容
They showed me a medicine that was scientifically ______ from human hair and used in helping their growth.
- A.learned
- B.chosen
- C.prepared
- D.separated
试题分析:考查动词辨析:A. learn学习,B. choose选择,C. prepare准备D. separate分离,句意是:他们给我看了一种以科学手段从人的头发分离出来的药,并被用来帮助他们生长。选C。考点; 考查动词辨析点评:这几个动词都可以和from搭配,learn from“向…学习”,choose from“从…中选择”, separate from从…中分离,在平时的学习中加强识记。
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