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    精英家教网 > 高中英语 > 题目详情
    9．-What has made him so knowledgeable？
    -______ domestic and foreign classics．（　　）
    A．Having exposed toB．Being exposed to
    C．Exposing toD．Exposed to

    分析 -什么让他如此博学？
    -长期接触国内外的经典．

    解答 答案：B
    题干中是回答作主语的特殊疑问词what，要用动名词形式；be exposed to暴露在…之下，（长期）接触，短语搭配．根据句意，故选B．

    点评 动名词相当于名词，具备名词的特征．在句中可以作主语，宾语，表语，定语等．动名词和现在分词的构成方式一样，但用法不同．现在分词具备动词的特征，有时态和语态的变化，学习时要注意区分和掌握．

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