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9. 吃饭时发出太多噪音是不礼貌的。
It’s impolite _________________________________________________ .
10. 我们应该保护我们的孩子远离危险。
We should___________________________________________________ .
六.完形填空(每小题1分，共10分)
Manners in different countries
You have to shake hands when you're coming or going in Germany, ___1____ in Britain you usually only shake hands when you meet someone _____2___ the first time.
You have to give your present in public in the Middle East _____3____ it's not a bribe贿赂, but it's a good manner to give your present in private in Asia.
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