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Finding information in today’s world is easy.The ________ is how you can tell if the information you get is useful or not.

[  ]

A.ability

B.competition

C.challenge

D.knowledge

答案:C
提示:

句意为:“在当今世界找到信息很容易,难题在于你如何判断你所获取的信息是否有用。”challenge“挑战,具有挑战性的事”;ability“能力”;competition“竞赛”。


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