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When I met him， I had a lot of anger inside of me. I‘ve lived my whole life in Spanish Harlem， but in my neighborhood， there are shoot-ups all the time. I know kids who have been shot or beaten up. I have friends who ended up in prison. I could have ended up that way， too， but Mr. Clark wouldn’t let that happen.
Mr. Clark worked long hours， making sure I did my work. My grades rose. In fact， the scores of our whole class rose. One day， he took our class to see The Phantom of the Opera， and it was the first time some kids had ever been out of Harlem. Before the show， he treated us to dinner at a restaurant and taught us not to talk with our mouths full. We did not want to let him down.
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