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Eventually, she had her own business by running the small store. And she really managed it well all the time with great efforts. I never expected that the store would break. This will undoubtedly take everything away from my mother. I couldn't help worrying about her. Mother seemed to read the worry on my face. She patted me on my shoulder, speaking with a faint smile: "Well, it may not be that serious. I'll try to make it better whatever. We'll be fine, my dear boy." I was so moved by mother's words. It turned out that mother really rebuilt her business soon and the store ran well. I could imagine how much mother had paid for her small store business. It was really too much for a woman. But she never gave up. She just went ahead with her unusual perseverance.
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