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17.There was an _______ look on his face when his face appeared on the stage.
A. exciting B. excite C. excitement D. excited
18.Do you want to go ______ a visit ______Shanghai?
A. at; at B. on; at C. on; to D. at; to
19.Itis difficult to imagine his ________ the decision without any consideration.
A. accept B. accepting C. to accept D. accepted