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    【题目】Don’t use earphones for a long time. It’s ______ to your ears.

    A. comfortable B. harmful C. helpful D. relaxing

    【答案】B

    【解析】

    句意：不要长时间使用耳机。这对你的耳朵有害。考查形容词辨析题。A. comfortable舒服的；B. harmful有害的；C. helpful有帮助的；D. relaxing放松的。根据上文Don’t use earphones for a long time.，可知harmful符合句意，故选B。

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