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6. When he makes friends with Wilson， he understands that friendship is about feelings and that we must give as much as we take.
当他和威尔逊交朋友时，他懂得了友谊离不开感情；人既要得到关爱，必须给他人以同样的关爱。
7. Chuck learns that we need friends to share happiness and sorrow and that it is important to have someone to care about.
查克知道我们需要朋友同甘共苦，关心别人是人生要事。
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