互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒Because he wanted to meet Bob, Bob was invited to dinner.
Before he left the room, he checks the lights.
Because John wanted to learn how to sew, a course in home economics was taken by him.
Katie visited the shopping centre and a lot of money was spent without 10 minutes.
If drama coach suggested that the part of Macbeth was played by Gordon.
I wish you are going with us.
It was at the desk that Luther set and translated the Bible into German.
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