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. There were times when my size was totally changed. (2-3电脑)
3. This was a time when one had got to have a passbook. (1-5英雄)
4. This was the time when drought hit the area. (1-5英雄)
5. This was a time when two countries were at war. (2-1古迹)
6. I felt bad the first time I talked to him(1-5英雄)
7. It was the first time that I had seen the night face to face. (1-1朋友)
VII. 句子副词
1. We can keep it because the search cost us a lot of money. Besides, any person who find something can keep it. (2-1古迹)
2. He has a big heart. In other words, he is very kind. (2-1古迹)
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