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    精英家教网 > 高中英语 > 题目详情
    (2013·安徽蚌埠一次质检)Finding information in today's world is easy.The ________ is how you can tell if the information you get is useful or not.
    A．knowledgeB．ability
    C．competitionD．challenge
    D
    D　句意：当今世界找信息很容易。但挑战是你如何辨别你所获得的信息是否有用。knowledge知识；ability能力；competition竞赛。challenge挑战，艰巨任务。又如：She likes her job to be a challenge.她喜欢艰巨的工作。
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