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    population作为整体作主语时.谓语动词用单数形式.如果就其中某部分而言.谓语动词用复数形式.也就是说出现分数.百分数修饰名词.那么谓语动词的单复数形式要根据名词的形式和意义来决定.如Two thirds of the books are about science. 而Two thirds of the book has been finished. 【查看更多】

     

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    It is the prevention of disease ________ its successful treatments that has led to the rapid increase of the world's population.

    [　　]

    A．rather than
    B．not only
    C．but also
    D．less than

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