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题库解析   >   逻辑语义题型   >  
    本题由hyman1提供
243次学习

A powder derived from the North American Echinacea

flower, which has been effective in preventing colds, is grown by many small farmers out West.


    A.A powder derived from the North American Echinacea flower, which has been effective in preventing colds,

    B.A derivative, which has been effective in preventing colds, of North American Echinea flower,

    C.North American Echinacea flower derivative, which has been effective in preventing colds

    D.The North American Echinacea flower has a derivative which has been effective in preventing colds, that

    E.The North American Echinacea flower, a derivative of which has been effective in preventing colds,



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答案:
E

这题要看

划线部分后面的"is grown by many small farmers out West",前面的主语必然是能被种植的,ABC的主语都是derivitive或powder,很显然不能被种植,排除;选项Dthat is grown...变成了定语从句,修饰不明,句子有歧义,选E

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