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Thank you very much for inviting me to your party. But I am very sorry I can't come.My mother is ill. The doctor asks her to stay in bed for several days. I have to take care of my mother.Thank you very much for sending me such a beautiful postcard. I like it very much. I am going to put it on my desk.Could I hear from you soon﹖ Give my best wishes to your family.