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1. The reason ____ you failed, I think, was ____ you had turned a deaf ear to your mother's advice.
A. that; because B. why; because
C. why; that D. for that; that
2. The English play ____ my students acted at the New Year's party was a great success. (2004 全国卷I)
A. for which B. at which
C. in which D. on which
3. When ____, the museum will be open to the public next year. (2002 上海春招)
A. completed B. completing
C. being completed D. to be completed
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