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42 before had Mrs. Jackson seen Miss Smith look so unhappy . “Have you 43 with him about it ?” she asked .
“Why should I ? He knows he has to prepare his lessons and do his homework . I 44 that clear the first day for class . When the course started , he did so 45 that I considered asking the 46 to give him a scholarship (奖学金). But now he even 47 in class ! I’ve never seen such a 48 in a student .”
“You should have a 49 with him . Give him a chance to tell his side of story .”
Miss Smith spoke to Tom and 50 all about it . He was studying all day and 51
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