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    4．volunteer志愿；志愿者．

    分析 volunteer v．志愿；n．志愿者

    解答 答案是"志愿；志愿者"；考查词义识记；volunteer v．志愿；n．志愿者；如：She now helps in a local school as a volunteer three days a week．目前她在当地的一家学校做志愿工作，一周去3天．

    点评 对于单词短语的识记，要从词义着手，理解词性和常见用法或搭配，并能在语境中灵活运用．

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