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1. Can you tell me ?
A. what’s the matter with you. B. What the matter is with you.
C. what was the matter with you D. what the matter was with you
2. I can only tell you .
A. too much B. much too C. this much D. much this
3. What happened ?
A. on your way school B. on your way to school
C. on your way in school D. on your way at school.
4. We are going to leave when it began .
A. rain B. to raining C. rains D. raining
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