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devote … to rather than argue for/against/with
set up look down upon/on refer to
care for as well as make sure
have … in common put to death concern oneself with
instead of communicate with body language
work out lead a … life crowd in
say to oneself carry on by chance
come across catch one’s eyes can’t wait to do
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