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8. It ________ in this new hall ________ was just set up last month ________we held an important meeting yesterday.
A. is; where; thatB. was; which; what
C. is; that; whichD. was; which; that
9. --- What’s the noise?
--- Oh, I forget to tell you. The new machine __________ now.
A. has been testedB. was testedC. is being testedD. will be tested
10. The cow _________ by the fire rushed out into the street.
A. frighteningB. frightenedC. was frightenedD. be frightened
11. He is one of the most excellent students in our class, and he always _______ himself in his studies.
A. leavesB. hidesC. coversD. buries
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