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3.dig out 1) to get sth out of a place, using a spade or your hands 2) to find sth you have not seen for a long time, or that is not easy to find Let’s dig out the roots. Why did you dig out all those old magazines? We must dig the truth out of him.
4.a (good \ great \ large) number of n.(pl.) many; a large quantity of; a lot of A good number of students are not interested in modern art. I’ve seen the film a number of times. The Great Wall attracts a great number of foreign tourists every day. the number of… The number of private colleges has increased. = Private colleges have increased in number.