【題目】—It is not hard to find information on the Internet today.

—Well, the is how to tell whether the information is useful or not.

A.knowledgeB.courageC.messageD.challenge

【答案】D

【解析】

句意：——現(xiàn)在在網(wǎng)上找到信息不是困難的�！�，問題是怎樣分辨信息是否是有用的。

knowledge知識；courage勇氣；message信息；challenge挑戰(zhàn)。根據(jù)句意how to tell whether the information is useful or not.可知，這是使用因特網(wǎng)的時候的一個問題，或者說挑戰(zhàn)。故選D。

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