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(Post-reading and Word study)
As is known to all, music is a universal language. Suppose there is no music in this world, what will the world be like?
Step 5 Demonstration
Have some students report the result of their discussion to the rest of the class.
Homework:
1.Finish the workbook vocabulary exercises.
2.Make up another story, using at least 5 new words and expressions.
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