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21. People always treasure the ones which haven‘t obtained， but forget the ones which had already had.
22. One today will exceed two tomorrow.
23. Must engrave on mind； every day is the happiest day in a year.
24. The optimism sees the opportunity in the disaster； the pessimist sees the disaster in the opportunity. 25. It doesn‘t mean the in existence of fear if have courage， but is dares facing to fear， to overcome the fear.
26. The biggest mistake in life is the unceasingly worried about making mistake.
27. Turn your face to the sunlight then there cannot have the shadow.
28. The experience takes out by the essence of pain.
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