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. The Smiths ________ sending emails ________ letters, because it is faster.
A. prefer, to writing B. prefer, write C. prefers, to writing D. prefers, to write
13. Jim’s brother has several pairs of jeans, but he prefers the black______.
A. jean B. jeans C. pair D. pairs
14. I have a new idea. Let’s _________.
A. try out it B. try it out C. try them out D. try out them
15. –Which hair band do you like best, madam? –I can’t decide now. I really don’t know _______.
A. to choose which one B. choose which one C. which one to choose D. which one I should choose it