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. — Who's the greatest man
— Stephen Hawking, I think.
A. alive B. living
C. lively D. live
( ) 7. It's difficult for us ____________the work by tomorrow morning.
A. finish B. to finish
C. finishing D. to finishing
( ) 8. Some animals, ____________rabbits and deer, are active all winter. They look for food everywhere.
A. in factB. add up
C. such as D. as usual
( ) 9. On ____________, children sing and dance happily to celebrate their own festival.
A. Mother's Day B. Father's Day
C. Children's DayD. Teachers' Day
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