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19. ______ of people came to the meeting from all over the country.
A. Many B. A number C. The number D. A plenty
20. ______ English has changed a lot over time and ______ English spoken between about AD 450 and 1150 was quite different.
A. /; the B. /; / C. The; / D. The; the
21. Kennedy didn’t get up until nine that morning and he arrived at the meeting ____.
A. too late much B. much too late C. too much late D. late too much
22. --- How is everything, Rose?
--- _______.
A. Very well B. Not too bad C. I’m all right, thanks D. Not at all
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