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Our team performed well in the match yesterday.
4. ability n. skill; capability or power to do sth.
She did the work to the best of her ability.
He is a man of great ability. The acting abilities of both are well-known.
5. advertisement n. public note (esp. in newspaper or TV) to arouse the public’s attention about a product or idea Advertisement helps to sell goods. You can always see a lot of advertisements in the newspaper. Your job is dealing with advertisements.
6. musician n. someone who is talented at composing or performing music He wants to be a great musician in the future. Her mother’s friend, Miss Chen, is a well- known musician. It seems that musicians always keep long hair.
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