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3. Jim broke away from his friends, saying "I have got to hit the books."
吉姆離開他的朋友時(shí),說道:“我得回去做功課了。”
concern
n. 關(guān)心,關(guān)系, 關(guān)切的事,憂慮
v. 涉及,與...有關(guān),影響;使關(guān)心
1. How much money I earn is none of your concern. 我掙多少錢與你無關(guān)。
2. These problems concern all of us. 這些問題影響到我們每一個(gè)人。
3. This restaurant is a family concern. 這家飯店是由一家人經(jīng)營的。
be concerned about
vt. 關(guān)心(掛念)
1. It is reassuring to be enquired after when you're ill. It shows your friends haven't stopped being concerned about you.
如果能詢問一下你是何時(shí)生病的我們也就放心了。因?yàn)槟愕呐笥岩恢痹陉P(guān)心你。