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S1:Yes.Because many English words are formed by adding affixes.So long as you know the meanings of some affixes,and word parts,you will guess the meanings of some new words without looking them up in a dictionary.
T:Quite right.Sit down,please.Now,let’s do an exercise to consolidate it.Please look at the screen,and then fill in the blanks.
(Teacher shows the following on the screen.)
1.submarine=______ ______
2.disappear=______ ______
3.overturn=______ ______
4.Internet=______ ______
5.underwater=______ ______
6.prisoner=______ ______
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