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1.root out:根除
It is more difficult to root out a bad habit than build a good one.根除惡習(xí)比培養(yǎng)一個好習(xí)慣困難得多。
混淆短語:pull up one's roots:從久居地移居他鄉(xiāng)
The civil war had forced many people to pull up their roots.內(nèi)戰(zhàn)迫使許多人不得不移居他鄉(xiāng)。
2.root and branch:徹底地
Many people strongly oppose the idea of abolishing death penalty root and branch.許多人強烈反對徹底廢除死刑的想法。
3.rub off:擦掉
He rubbed the lip print off his face.他將臉上的唇印擦掉了。
替換短語:rub out:擦掉
He rubbed out the lip print on his face.他將臉上的唇印擦掉了。