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18. With the Internet， people can ___________（交流）each other much easier.
19. He _________（瞧不起）people who‘ve never been to university.
20. I know the writer who ________ （ 打算） work _____ children.
1. After a long s_______， he gained control of the business.
2. Our foreign trade has e_________ greatly in recent years.
3. The girl s________ her mother by cleaning up the kitchen.
4. As is known to all， coal and iron are m___________.
5. She r_______ her weight by 5 kilograms.
6. Her unexpected arrangements________（搞乱）all our plans.
7. After the conference， the secretary passed me a ten-page _______ （纪要，摘要）。
8. The Fashion Magazine developed a large _________（销售量）quickly.
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