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The boy sat down. Swift went out， knocked at his door and waited. The boy said， “Come in.” Swift entered， walked to his desk and said， “My mistress sends her kind regards and hopes you will accept these hares.”
The boy answered， “Thank you， my boy. Give your mistress my thanks for her kindness and here are two shillings for yourself.”
Dr. swift laughed， and after that， Swift never forgot to give the boy his tip.
61. What did the boy get for delivering presents at the beginning？
A. Something. B. Nothing. C. Some money.
62. Why did the boy one day deliver the bag rudely？
A.Because he could not do it in a polite way.
B.Because he was in such a hurry.
C.Because he was not satisfied with what swift had done for his work.
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