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46. He got excited at the news,________ I was calm.
A. when B. while C. because D. after
47. Shall Brown come and play computer games?
No,________ he has finished his homework.
A. when B. if C. unless D. once
48. Hardly had he arrived in Hongkong ________ she rang me up.
A. when B. than C. that D. and
49. ________ they heard the shout for help,they rushed out.
A. Immediately B. The moment C. The while D. All the above
50. ________,he never seems able to do the work beautifully.
A. Try as he may B. as he tries C. Try as does he D. As he does try