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7. She was so surprised that she couldn't move. 結(jié)果狀語從句
8. Tree after tree went down, cut down by water. 過去分詞作狀語
9. The next moment, the first wave swept her down, swallowing the garden. 現(xiàn)在分詞作狀語
10. However, before she could think twice, the water was upon her. It didn't take long before the building was destroyed. before的用法