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( ) 11. ______ does she speak well, _______ she is good at listening.
A. Both, and B. Not only, but C. Either, or D. Not, but
( ) 12. The young trees should ______well as often as possible
A. be water B. watered C. watering D. be watered
( ) 13.She is _____ girl from Asia.
A. a 18-year-old B. an 18-year-old
C. an 18-years-old D. a 18-years-old
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