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3. It has been decided that those who do not do their homework will have to return to school on Saturday. (2-3电脑)
4. It is hoped that one day it will be returned to nature. (2-4生物)
5. It occurred to me that he has grown up. (2-5音乐)
XIV. While句型
While a diary writer tries to record how he feels, a journal writer record what he sees on a journey. (1-3游记)
Other musicians sing the songs for the programme while the band pretend to sing them.(2-5音乐)
XV. 省略句型
It easily melts when heated. (2-1古迹)
第二节 其他句式
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