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10. salve 1) n. a) a person who is owned by another person and must work for them; b) a slave to sth. \ of sth: a person completely under the control of a particular thing 2) vi. to work hard
There were more slaves than citizens in ancient Athens.
They are all slaves to fashion.
He is a slave t o drink.
She slaved for him all her life.
I have been slaving away all weekend in the garden.