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21. "What does he do?" means ____________
A. who is he B. Where is he
C. What is he D. what is he doing
22. The girl wants ______ a doctor.
A. being B. to C. to be D. to do
23. Please _____ late for school next time.
A. don’t be B. aren’t C. doesn’t be D. be not
24. My parents often cook noodles ____ me.
A. to B. for C. in D. of
25. One of the children _____ in the river last summer.
A. was swimming B. is swimming
C. are swimming D. were swimming
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