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题库解析   >   增强题型   >  
    本题由hyman1提供
105次学习

Bio-chemists at Perck Pharma Corporation have discovered a new type

of allergy. Their research confirms that it is not just caused by pollen of a certain flower, as it was thought. In addition, the flower has to be pollinated by a certain kind of bee to cause the allergy.

Which of the following would most likely support the data's implication?

    A.In the absence of the bee, the pollen does not cause allergic reactions. 

    B.The bee has been shown to be a critical element in the reproduction of the particular flower.  

    C.Many cases of the allergy have been observed only in the presence of the bee.  

    D.In cases in which the allergy does not develop, the flower will grow without the presence of the bee.  

    E.The onset of the allergy is usually caused by the flower even if the pollen is not present. 

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答案:
A

结论:新

型过敏不仅由特定花的花粉造成,这种花还要被特定的蜜蜂授粉。哪个选项增强词结论?

A.没有这种蜜蜂,这个花粉就不会导致过敏反应(正确)

B.蜜蜂在该花繁殖中是至关重要的因素(与过敏无关)

C.许多过敏的案例都只在有蜜蜂的时候(许多案例,并不是所有)

D.在没有过敏的案例中,花的成长没有蜜蜂的出现(没有说明过敏的案例有无蜜蜂)

E.过敏通常由花导致即使没有花粉(与蜜蜂无关)


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