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、短信提醒劳动节的来历英语作文
The international workers’day， also known as May day， is celebrated on the first day on May. There are more than eighty countries celebrate this festival since 1889. People may know that the worker’s day is about having a rest on that day， but most of them don’t know how this day comes from and the story behind it.
In the late of 18 century， the cruel capitalists in order to make more money， they demanded their employers to work all day， but only paid them with low salaries. In America， the workers had to work at least 14 hours a day， sometimes， they even worked as long as 18 hours. Due to the unfair payment， the works knew that they had to stand up and fight for their rights， or all of them will die young. Then the workers started to go on strike， demanded that the reasonable working hours should be 8 hours a day. However， the capitalists did not pay attention to the workers’demand. The workers had to fight for their rights for themselves.
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