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. can't help doing sth. 禁不住做某事,不由得不做某事
She couldn't hep smiling.
[比較]
(1) can't help but do 不得不……;不能不 When the streets are full of melting snow, you can't help but get your shoes wet.
(2) cannot but 不能不,只能He could not but feel disappointed.
[歸納]
(1) help (sb.) (to) do sth. Help me get him back to bed at once. / By helping them we are helping save ourselves.
(2) help...with sth. 幫助……做某事 In those days he used to help her mother with her gardening.