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1. afford
(1) (和can,could,be able to連用) 有 (時間、經(jīng)濟等) 條件(做某事) to do
We can't afford to pay such a price.
afford n. / pron. (出得起;買得起等)
They donot consider whether they can afford it or not.
(2) 經(jīng)得起 (做某事或發(fā)生某事) (多 to do)
He could not afford to lose his fortune entirely.
2. apologize的用法
▲ 構詞:apology n. 辯解,道歉
▲ 搭配:
?、?apologize to sb for (doing) sth = make an apology的 sb for (doing) sth向某人為某事(為做了某事)道歉