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A. Useful expressions:
1.unless if not ; except when
Don’t touch anything unless your teacher tells you to.
2.allow sb. to do sth.
They allowed us to use the lab.
Smoking is not allowed in public.
3.fill … with …
Please fill one bottle with petrol.
She was filled with joy.
4.instead of -- in the place of 代替以…
Instead of doing homework at home, they went swimming.
5.dip … into …
The teacher dipped one finger into the mixture.