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4. 数的一致
名词的数须与其修饰语保持一致.
1)?You can find all kinds of information in just a few minute on the Internet
2) You know, that was a dinner we had waited for several month
5.主饰一致
句中主要词（中心词）应与其修饰词保持一致.
1) I would learn a lot of new words from these books, but I had terribly problems memorizing them.
2) She said that she and my schoolmate all wished me success.
3) Unfortunate, there are too many people…
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