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_________ hearing the good news, they jumped with joy.
A. For
B. To
C. On
D. At
解析：选择C。on (one’s) doing意为“当……时”，相当于when引导的时间状语从句。如：On (my) asking for information, I heard a loud noise outside.
In modern times, people have to learn to ______ all kinds of pressure although they are leading a comfortable life.
A. keep with
B. stay with
C. meet with
D. live with
解析：选择D。 stay with与…暂住在一起;meet with偶遇。获得;live with忍受，容忍。由句意可知D。
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