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(diǎn)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1.) People all over the world have been making paper for two thousand years.
2) As a result of the invention of paper, the Chinese people could know a lot about the history in other parts of the world.
3) As there was no paper, much of the history over hundreds of years is completely unknown in many parts of the world.
4) Before writing was developed, people in China had no way to keep records.
5) From the text we know that writing was developed in the third century BC.
6) Books of pieces of bamboo or wood tied together were difficult to read and heavy to carry.