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4 insist
② Jane tried to keep up a calm appearance ，but her trembling voice ______her ______
③ He may ______to my view
④ It is always the husband who ______ first when quarrel breaks out between the young couple 。
⑤ Her patiece finally ______ ______
⑥ The teacher ______ ______ the exam paper 。
9 for one thing 。。。for another (thing)/besides; on (the ) one hand ，on the other (hand)
for one thing 首先。。。一则。。。，陈述两方面的情况常一致，常与for another (thing)/besides(再者，另一方面)呼应; on (the ) one hand ，on the other (hand)常表达相矛盾的两方面
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