【題目】— Finding information is not a big deal today.

—Well, the ___________ is how we can tell whether the information is useful or not.

A.troubleB.messageC.challengeD.knowledge

【答案】C

【解析】

句意“-查詢信息在如今不是一個大問題。-是的,挑戰(zhàn)是我們能否區(qū)別這個信息是否有用”。A.麻煩;B.信息;C.挑戰(zhàn);D.知識。根據(jù)句意可知,表示“辨別信息是一個挑戰(zhàn)”,故選C。

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