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Not many years ago， a wealthy and rather strange old man named Johnson lived alone in a village in the south of England. He had made a lot of money in trading with foreign countries. When he was seventy-five， he gave ￡ 12，000 to the village school to buy land and equipment for a children‘s playground.
As a result of his kindness， many people came to visit him. Among them was a newspaperman. During their talk， Johnson remarked that he was seventy-five and expected to live to be a hundred. The newspaperman asked him how he managed to be healthy at seventy—five. Johnson had a sense of humor. He liked whisky and drank some each day. “I have an injection （注射） in my neck each evening.”he told the newspaperman， thinking of his evening glass of whisky.
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