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. We are all concerned _____ her safety .
A.in B. with C. about D.at
12. The shop _____ until 7 o’clock.
A. stays opened B. continues open C. stays open D. continues opened
13. Because he didn’t finish the work on time and was fired by the company, he was very _____ about it.
A. upset B. worried C. anxious D. nervous
14. The speaker spoke so fast that I couldn’t _____ what he talked about at the meeting.
A. set aside B. set down C. set out D. copy
15. I wanted to have a word with her, but she _____ me and went away.
A. saw B. calmed C. told D. ignored 第二课时：Reading
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