互動封閉仿真課堂
1、智能交互 2、電子板書式視頻教學 3、在線互動問答 4、封閉課堂啟發(fā)式教學方式
隨堂測試、知識梳理、易錯點揭示、總結啟迪智能錯題本
聽課中的錯題能自動加入錯題本，課后可方便復習及導出錯題本升級服務
在線答疑、課后同類題練習、講義下載、短信提醒1. Functional Items：Ways of giving advice or making suggestions.
2. Topic：Talking about cultural relics, including ways of protecting them.
3. Word-formation：“re V.”(eg. rebuild, replaced, recreate).
4. Key words and expressions：select, represent, in history, be kept as, give in(up), in ruins,
in pieces, bring … back to life, etc
5. Structure (Grammar)：The Passive Voice (I) — The Present Perfect Passive Voice
6. Writing：Write a letter to the editor on a certain cultural site, suggesting ways of
protecting the cultural relics.
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