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2)(of a plane) leave the ground and begin to fly
3)leave hurriedly or suddenly eg. When he saw the police coming he took off in the opposite direction
blockbuster: book or film strongly promoted by its producers to increase sales
Afraid be afraid of sb/sth
be afraid to do sth / be afraid of doing sth
be afraid of ding sth / be afraid that clause
I’m afraid…
Go wrong: experience trouble eg. The experience went disastrously wrong