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5. She was so surprised that she couldn\t move.她大驚訝了以致于動彈不得。
so...that...導目的狀語從句，意為“如此……以致于…”，so是副詞，后接形容詞或副詞。如：
He is so tired that he does not want to go with us.他太疲勞所以他不想和我們一起去。
She walked so fast that I couldn\ t follow her.她走得太快了以致于我跟不上她。
6. However, before she could think twice, the water was upon her. 然而，轉念之閻，洪水已近在眼前。
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