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(diǎn)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16. be careful (not) to do sth 小心(不)做某事 be careful about 注意 be careful with 小心;
17. as with ....也一樣 as to / for 至于;關(guān)于
18. think about 考慮 think of 想到,想起 think over 仔細(xì)考慮 think out 想出
19. go rafting 去漂流
20. unless = if not 除非...否則... You should not go rafting unless you know how to swim.(條件)
區(qū)分:until You must not get off the bus until it has stopped.(時間)
How are you getting to the airport? 現(xiàn)在進(jìn)行時表示的將來
My plane leaves at seven this evening. 一般現(xiàn)在時表示時刻表的將來