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The weather of today is very comfortable, though the weather forecast said it is cloudy, but just a little bit rain, very cool.
The weather forecast said it is cloudy, and friends about to play basketball, but unfortunately, in the rain can play. Afternoon after the rain stopped to help my mother to buy food supermarket. Generally bad mood today.
今天天气很舒适，虽然天气预报说今天是阴天，可是下了点小雨，很凉爽。
天气预报说今天是阴天，本来都和朋友们约好要去打篮球的，可是很遗憾，在下雨没法去玩。下午雨停了之后有去超市帮妈妈买菜。总的来说今天心情不算太坏。
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