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5. experience 1) [U]经验 2) [C] 经历 3) vt 体验 4) experienced有经验的
Have you had any experiencein work of this sort? 你对这工作有经验吗?
Only women with experience of office work can apply for the position.
She is a teacher with more than 20 years' experience in teaching.
这次车祸对他来说是一次可怕的经历。The accident is a terrible experience for him.
Please tell us your experiences of living abroad for so many years.
He experienced the greatest hardship for the first time in his life.
An experienced doctor is operating on the wounded soldier.
6. attend vt. 参加，出席，上(学，课)
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