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12. When ________ you ________ to Shanghai?
A. do, come B. did, come C. did, came D. were, come
13. She ________ the national table tennis team in 1988.
A. joins B. joined C. took part in D. took part
14. Tom was born ________ June 3rd, 1997. A. in B. of C. on D. at
15. ―___ is Li Yundi? ―A famous Chinese pianist. A. How B. What C. Which D. Who
16. He ________ morning exercises yesterday.
A. wasn't do B. didn't C. didn't do D. doesn't do
17. ―______ did he become a football player? ―He became a football player in 1990.
A. How long B. What time C. How D. When
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