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(jié)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2. started its work in China in 1980. It has done a lot to protect the environment and wildlife.
3. As many as 18,000,000 blind people can see again because of the help from , a flying hospital.
4. was set up in the UK in 1942. Its name comes from Oxford Committee for Famine Relief. It works to support poor people. Now, it has 13 member organizations and works in more than 110 countries.
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