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Children from all around the world are basically the same.世界各地的儿童基本上是一样的。
Their needs are similar wherever they live.无论在哪里，他们的需求是相似的。
Of course they need food, parents and love.当然，他们需要食物、父母和关爱。
However, as children grow older, their needs may differ according to their culture.然而长大之后，他们的需求会因为文化不同而有所差别。
In some countries, children go to school from the age of three.在某些国家，儿童三岁上学。
In other cultures, children may never go to school at all.在一些文化国度里，孩子们也许永远都不去上学。
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