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. Mice ran out of the fields looking for places to hide.
2. But the one million people of the city, who thought little of these events, were asleep….
3. The number of people who were killed or injured reached more than 400,000.
4. It seemed as if the world was at an end.
5. Water, food and electricity were hard to get.
句型：主语 be adj to do 其中to do 用主动形式表示被动含义
6. All hope was not lost. all 与not 连用 表示部分否定
7. It’s never too late to learn. 活到老，学到老。
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