【題目】—Spending so much time on the screens is really ________to your eyes.

—I know it, mom. I’ll try to control myself, for my eyes, OK?

A.harmfulB.thankfulC.successful

【答案】A

【解析】

句意：——在屏幕上花費太多時間對你的眼睛是有害的�！抑溃瑡寢�。為了我的眼睛，我會嘗試控制我自己的，好嗎？

考查形容詞辨析。harmful有害的；thankful感激的；successful成功的。由“Spending so much time on the screens”可知，看屏幕太長時間是有害的，故選A。

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