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    3．Similarly，to enrich to our minds，we need information and knowledge，which can beobtained through reading．

    分析 同样，为了丰富我们的头脑，我们需要信息和知识，这些可以通过阅读获得．

    解答 答案：to enrich； obtained
    第一个空在句中作目的状语，应使用动词不定式形式，意为：为了丰富我们的头脑，故填to enrich；第二个空指的是：信息和知识可通过阅读来获得，由于此处符合情态动词can+be+done的结构，故用过去分词obtained．

    点评 做类似的题时，首先应根据句意判断出空缺处的意思；其次从语法分析的角度，确定出应填单词的形式；因此在平时的学习中，除了应牢固记忆单词的拼写之外，还要熟练掌握一些的语法知识．

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