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8. In Shangri-la, there are vast grasslands__________(环绕) the lakes, which look like jewels.
9. The aliens took Justin away so that they could do _____________(研究) on him.
10. The achievements of some amazing people have a great________(影响) on our lives today.
11. The club is for t____________ and people in their early twenties, so that’s why some old people wouldn’t accept it.
12. I’m sorry for what he did, but he has been u___________ for it. Can you explain it?
13. The children had an a_____________ about what game to play, but they didn’t reach an agreement.
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