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9. The two students ________ （相互交流）greetings when they met.
10. After 10 years in prison， he was given his ________（自由）。
11. They_______（结束）the party with a song “Take me to your heart”。
12. It seems that you don‘t _________ （在乎） your failure in the examination at all.
13. The police are __________（寻找）the escaped prisoners.
14. The baby is hungry but it is too young to ______ （喂养） itself yet.
15. We want to _______（装备）your children with some special skills.
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