【題目】Keep away from these computer games.They're ________ to teenagers.

A. helpful B. useful

C. harmful D. hopeful

【答案】C

【解析】

句意遠(yuǎn)離這些電腦游戲它們對青少年有害。A.有幫助的;B.有用的;C.有害的;D.有希望的,這里是說要遠(yuǎn)離游戲,肯定是因?yàn)橛螒蛴泻η嗌倌辏?/span>be harmful to…意為“對有害”,故選C。

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