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( ) 1. This sign means “ ”.
A. Go up B. No parking C. Don’t touch D. Don’t smoke
( ) 2. ― Tony, what’s matter with you?
― I have toothache.
A. a; the B. the; a C. /; the D. the; /
( ) 3. Please don’t leave the tap when you brush your teeth.
A. run B. to run C. running D. runs
( ) 4. To live a green life, we should try to save energy and produce pollution.
A. less; more B. more; less C. more; fewer D. most; least
( ) 5. — How was your climbing?
— I didn’t believe I could do it I got to the top.
A. until B. unless C. after D. when
( ) 6. ― Remember to return the book to the library in time, you will be fined.
― Yeah, I know.
A. or B. and C. but D. then
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