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. After the war,a new school building was put up ________ there had once been a theatre.
A. that B. where C. which D. when
2. ____ he took part in the competition, he won a second prize.
A. For the first time B. At a time C. At one time D. The first time
3. I would appreciate it _______ you call back this afternoon for the doctor’s appointment.
A. until B. if C. when D. that