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1. They are planning to tear _______ these old houses ________new buildings.
2. He' s new in the office but he' 11 soon shake ________.
3. I'll get in touch _________them right__________.
4. Leaders hope that serious differences on the issue among their fellows are now ________an end.
5. The houses across the street are ________ ruins.
6. Some people died ________ falling furniture and bricks in the earthquake.
7. You should tie the horse _________ the pole.
8. My home is far ________the train station.
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