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31. Do not put yourself in the deep of sorrow when you feel unpleasant， think about the days with laughter.
32. Before correct others， meditate on yourself whether you make mistake first.
33. If you cannot put yourself in the battle of heights just because of the fear of defeat， you will never get successes.
34. If you want to overcome the anxiety and depressed in life， you may learn to be your own master first.
35. You cannot control the weather， but you can change your mood.
36. the most fearful poverty is the feeling of lonely and be abandoned.
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