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25.Frank , with his two sisters , London by train which at 8:30 next morning .
A.is leaving for ; will leave B.are leaving for ; leaves
C.is leaving for ; leaves D.will leave for ; will leave
26.He his right hand and then he was asked to from his chair .
A.raised ; rise B.rose ; raise C.raised ; raise D.rose ; rise
27.My uncle knows several foreign languages , English , French and Japanese .
A.for example B.for instance C.such as D.that is
28.A few weeks later the first buildings had been damaged were repaired .
A.which B.that C.where D.in which
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