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I still remember the bad day I have experienced clearly.
It was a Friday. I woke up late because my clock didn't go off. I felt very nervous. I might be late for school. When I got to school，the teacher was having a class. I felt afraid. As a result，the teacher punished me. I was very sad. By the time we had English class，I found I had left my English book at home. So I had to borrow one.
After lunch，I fought with my classmate because of some small things.The teacher kicked me off the classroom and sent me home. I knew I let my parents down. I also felt I wasn't a good child. I didn't feel like eating dinner and went to bed.
That night I thought about these things carefully and decided to make a change. I believed I could be a good boy soon.
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