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15．Under the new schedule，school teachers must ______each class on time，instead of adding extra lessons．（　�。�
A．cancelB．ignoreC．abandonD．dismiss

分析 在新的計劃下，學校教師必須準時下課，而不是增加額外的課程．

解答 答案：D
A．取消；   B．忽視；不理睬；C．遺棄；放棄；D．解散；解雇；根據"instead of adding extra lessons"學校教師不能增加額外的課程可知，應準時下課（解散課堂）；故選D

點評 做本題時，首先從句意著手，看懂句意是解答此類題目的關鍵；其次對四個選項的意思也要了如指掌．這就要求在平時的學習中要勤積累，多記憶，多查字典．

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