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( ) 6. There _____a very small number of books on science in our school library, and in these years the number of them growing larger and larger.
A. are, is B. is, are C. have, are D. have, is
( ) 7. Our teacher told us that the earth around the sun.
A. went B. go C. goes D. would go
( ) 8. Liu Xiang is one of ______ runners in the world.
A. famous B. more famous C. the most famous
( ) 9. When I asked her, she tried to avoid______ me.
A. answered B. an swering C. answer D. to answer
( ) 10. Mary likes singing and _______________.
A. so I do B. So do I C. neither do I D. neither I do
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