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2.He was (判刑)to ten years in prison.
答案：sentenced
3.He gave the children some candies to (奖励)them for behaving well.
答案：reward
4.It is time to stop his (残忍)to the animals.
答案：cruelty
5.He couldn’t decide any important things.He asked his wife’s o on every important decision.
答案：opinion
Ⅱ.完成句子
1.Not knowing its meaning，I had to (求助于)the dictionary.
答案：turn to
2.The economic crisis has made many people (失业).
答案：out of work
3.Mr.Black had failed many times in this experiment，but he did not (丧失信心).
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