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题型:语法填空(语篇) 题类:常考题 难易度:困难

四川省成都石室中学2018-2019学年高一上学期英语10月月考试卷

阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

    Brave and (intelligence), the tiny mouse from the US cartoon series Tom and Jerry is loved and remembered by fans worldwide.

    Recently, scientists from Britain and Canada have created super-clever mice by (change) a single gene (基因). In the study, (research) changed one of the mice's genes to stop the PDE4B enzyme (酶), a substance found in the human brain, working.

    After that, they ran several tests on the (behave) and found they tended to learn(fast), remember events for longer and (solution) difficult problems better than normal mice. The mice also suffered less anxiety (焦虑) and showed fear of cats, their natural enemy.

    A team from the UK's Leeds University is now trying developing drugs (药品) could block the PDE4B enzyme. (hope), the drugs could help with treatments for brain conditions such as Alzheimer's disease (老年痴呆症).

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