互動封閉仿真課堂
1、智能交互 2、電子板書式視頻教學(xué) 3、在線互動問答 4、封閉課堂啟發(fā)式教學(xué)方式
隨堂測試、知識梳理、易錯點揭示、總結(jié)啟迪智能錯題本
聽課中的錯題能自動加入錯題本,課后可方便復(fù)習(xí)及導(dǎo)出錯題本升級服務(wù)
在線答疑、課后同類題練習(xí)、講義下載、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.