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. Progress ______ so far very good and we are sure that the work will be finished on time
A was B had been C has been D will be
7. For breakfast he only drinks juice fresh fruit_____on his own farm.
A grown B being grown C to be grown D to grow
8. Would you please keep silent? The weaher report______ and I want to listen
A is broadcast B is being broadcast
C has been broadcast D had been broadcast
9. ----- Why does the lake smell terrible?
----- Because large quantities of water_____
A have polluted B is being polluted
C has been polluted D have been polluted