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role n. 原因;理由
(1) (戲劇中的) 角色
Oliver played (acted) the role / part of Hamlet.
(2) (現(xiàn)實生活中的) 身份;作用
What is your role on the Committee?
(3) play a...role in... = play a...part in在……中扮演……角色或作用
The headmaster plays an important role / part in the good running of a school.
reason n. 原因;理由
(1) to do sth. You haven't any reason to leave me.
(2) for sth. / doing People must have a reason for saying such things.
(3) 從句;從句用why / for which引導(dǎo) That is the reason why you should leave.