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Scientists find that the hard-working prestigious people live longer than average men and women. Career women are healthier than housewives. Evidences show that the jobless are in poorer health than job-holders. An investigation shows that whenever the unemployment rate increases by 1%, the death rate increases correspondingly by 2%. All this comes down to one point: work is helpful to health.
Why is work good for health? It is because work keeps people busy, away from lonehness and solitude. Researches show that people feel unhappy, worried and solitary when they have nothing to do. Instead, the happiest are those who are busy. Many high achievers who love their careers feel they are most happy when they are working hard. Work serves as a bridge between man and reality. By work, people come into contact with each other. By collective activity, they find friendship and warmth. This is helpful to health. The loss of work means the loss of everything. It affects man spiritually
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