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Mum: That means being patient and polite. There is nothing that costs less than civility (礼貌). So keep smiling and remember to say thanks often.
Andy: OK. (5)
Mum: I’m sure you will be one.
Ⅱ. 阅读下面的对话，根据所给首字母提示，用合适的单词填空
Andy: What do you think of John, Wendy?
Wendy: John? He is a lovely boy. He is generous and is always (1) w to share. But we would like him more if he could be (2) m polite.
Andy: You think him not polite (3) e ?
Wendy: Yes. Maybe he is just too (4) c .And I do think he is sometimes a hothead(急性子). He becomes (5) i easily when he is waiting for something. It seems he dislikes waiting for his (6) t .
Andy: I (7) a on this. He sometimes likes to (8) c in on others. But this doesn’t mean he is impolite, does it?
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