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Changes in people’s life
Great changes have taken place in people’s life in the last few years.
In the past people kept in touch with relatives or friends mainly by sending letters. They would listen to the radio for news and other information. Children used to go to school by bike. Big families had to share small rooms.
Now people can talk to others by telephone or on the internet at home. When they are free, they watch the news and other programs on TV. Some families are rich enough to send their children to school in their own cars. More and more people live in big and bright apartment with several rooms.
In a word, people live better than before.
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