2. 外语
  3. The passage centers on the controversy ______. Ingham insists that her testimony is based on______.

The passage centers on the controversy ______. Ingham insists that her testimony is based on______.

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问题 The passage centers on the controversy ______.
Ingham insists that her testimony is based on______.
选项 A、evidence provided by the EPA of the United States
B、the results of an experiment she conducted herself
C、evidence from her collaborative research with German biologists
D、the results of extensive field tests in Corvallis, Oregon
答案B
解析 由题干定位到文章第4段，推断题，由此段末句间接引用Ingham的话when she put it in soil with wheat plants，all of the plants died within a week可知，她本人亲自做过试验，其试验结果证明，这种转基因的细菌确实给植物造成了破坏。因此，本题应选B。
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大学英语六级

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