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.phantom n.---a mysterious figure; a spirit 幽灵，鬼魂
a phantom ship
2.opera house n.--- a big theatre especially for opera, which is a form of art in which
there is a play but all the words are sun，not spoken 歌剧院
3.ugly adj.--- unpleasant to look at; extremely unattractive 丑陋 (anti. Beautiful)
(plain: female’s not good-looking face)
ugly smell/ sky/ duckling (丑小鸭)/ customer
4.mask n.---something which covers most of your face 面具
The robbers all wore masks so that no one could recognize them.
5.force v. ---make (someone do something, against their will) 迫使，强迫
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