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I know nothing about the young lady __________ she is from Beijing.
A. except
B. except for
C. except that
D. besides
Let’s learn to use the problem we are facing __________ a stepping-stone to future success.
A. to
B. for
C. as
D. by
I like Mr. Miner’s speech; it was clear and ______ the point.
A. at
B. on
C. to
D. of