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How to set up a national healthy city?
Our city is trying to set up a national healthy city. As a member of the city, I think we should obey the rules.
We can’t throw rubbish here and there. We can’t talk loudly in public, such as in the library or in the museum. We can’t spit and smoke in public as well. When we are on the bus, we should give our seats to the old and children, as well as some women with babies in their arms.
During our daily lives, we should be polite to others. And we should obey the traffic rules. Remember to stop when the traffic light is red. We must go across the road when the traffic light is green. Finally, we should also turn off the lights before we leave the room.
I’m sure our city will become more and more beautiful as long as we all try our best to do something for it!
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