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About once a month I have to go to Degford for my work. One day I went into a hotel to have something to 1 . The waiter 2 my coat and put it in a small room.
About an hour later I was 3 to go. The waiter 4 me my coat. 5 something fell out of the pocket onto the floor. It was a small white box. Then I took a good look at the 6 .“Oh, you’ve brought someone 7 coat.”I said to the waiter. “It looks very much like mine, 8 it is quite new, and this isn’t my box, either.”
“Oh, then I 9 someone has taken your coat and left this.”said the waiter. “This kind of thing 10 sometimes.”
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