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、短信提醒六、1. Add up these numbers for me, please.
2. I’ve got to go to a meeting.
3. You really don’t know what we went through.
4. We’re all concerned about her safety.
5. I'm tired of watching TV, let's go for a walk.
6. I’ve fallen in love with Mary.
7. It was far more expensive than I expected.
8. He knows how to get along with people
9. Don't worry. My brother will pack everything up.
10. He looked at them, without joining in their conversation.
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