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11. …. We had reached a stage where we have almost no rights at all.
12. They could not get the jobs they wanted.
13. we were put into a position in which we had either to accept we were less important or fight the government.
14. I was worried about whether I would become out of work.
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