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31. A. office B. shop C. library D. hospital
32. A. to B. with C. from D. at
33. A. a B. some C. the D. any
34. A. a robot B. robots C. the robots D. robot
35. A. isn’t B. don’t C. not D. doesn’t
But，in that case，a westerner will rush over and help the person get up. If a westerner falls，he or she，like a Chinese person，may try to make a joke if he or she is not hurt. If two close friends are walking together，and one falls but clearly isn’t hurt，a common joke is to say “Have a nice trip”.
So different people have different habits and different countries have different cultures.
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