【題目】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：不要長時間使用耳機。這對你的耳朵有害。考查形容詞辨析題。A. comfortable舒服的；B. harmful有害的；C. helpful有幫助的；D. relaxing放松的。根據(jù)上文Don’t use earphones for a long time.，可知harmful符合句意，故選B。

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