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record determine treat altitude change one’s mind
be familiar to give in dream bring up so far
1. Once she is determined to do something, it is impossible to get her to____________.
2. Nowadays, many young children would like to bargain with their parents when asking for money. Unfortunately their parents seldom ___________.
3. They insisted they ________ equally.
4. Pop songs _____usually __________ teenagers.
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