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What does it say?
写了什么?
The mayor says the crime rate is going down.
市长说犯罪率在下降。
Then why does everyone lock their doors?
为什么每个人都把门紧锁?
I guess they haven't read this article.
我想他们还没有读到这篇文章。
No one believes that the crime rate is going down.
没人会相信犯罪率在下降。
Maybe the mayor is just talking about his own neighborhood.
可能市长只是在谈论他自己的邻居。
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