互動封閉仿真課堂
1、智能交互 2、電子板書式視頻教學 3、在線互動問答 4、封閉課堂啟發(fā)式教學方式
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,課后可方便復習及導出錯題本升級服務
在線答疑、課后同類題練習、講義下載、短信提醒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生病的我們也就放心了。因為你的朋友一直在關(guān)心你。
2. The government's claim to be concerned about unemployment is sheer hypocrisy.
政府聲稱對失業(yè)表示關(guān)注純屬做做姿態(tài)。