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    精英家教网 > 高中英语 > 题目详情

    Her research ________ the social effects of unemployment

    [　　]
    A．

    shows interest in

    B．

    results from

    C．

    is centered on

    D．

    is focus on

    答案：C
    解析：

    考查动词短语的区别．根据句意“他的研究集中在失业的社会影响上”，be centered on与此意义相符．


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