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. Ling Feng is Chinese , but he speaks good English .
2. On my birthday , my mother bought me a beautiful shirt and my father sent me a book on computer .
3. My husband works in a factory . I work in a school . So does my daughter .
4. When I came into the classroom , my classmates were doing some cleaning .
5. Alice was ill in bed . She took some medicine without seeing a doctor .
6. He is so strong that he can carry the heavy box .
B. Choose the right answer , which is closest in meaning to the sentence you hear
7. I have to stop to talk to him .
8. I learned to ride a bike by myself .
9. I slept until eleven yesterday .
10. He finished the hard work in the end .
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