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、短信提醒男女平等（equal rights between men and women）
in many countries in the world, women are looked down upon. it is more difficult for them to get some work than men. in order to get a job, they sometimes have to tell a lie. that"s unfair. in fact, women can work no worse than men. there"s nothing that women can"t do.
perhaps, they are better at their work than men. for example, in making telephones and computers, many companies would rather employ women, for men can"t pick up the small pieces with their fingers. like , they can also become excellent engineers, doctors and teachers. so i am sure the day will come soon when women can really get equal rights
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