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5. It’s impossible for ____ few people to finish ____ a lot of work in only two days.
A. such; such B. so; such C. such; so D. so; so
6. Hearing the ____ story, the little boy had a ____ expression on his face.
A. frightening; frightening B. frightened; frightened
C. frightening; frightened D. frightened; frightening
7. ----What’s your first impression ________ Mrs Wang?
----She looks serious. I think she’ll be strict _____ us.
A. on; in B. on; with C. of; with D. of; in
8. ----Do you know our hometown at all?
----No, this is the first time I _____ here.
A. was B. have been C. came D. am coming
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