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The following are some facts and figures about the closing ceremony of the Beijing Olympic Games, held here on Sunday night.
THE VENUE
The closing ceremony is held in the National Stadium, also known as the Bird‘s Nest, in the Olympic Green in northern Beijing.
The stadium was jointly designed by Herzog & de Meuron Design Office, and China Architecture Design & Research Group and ARUP. Its construction began on December 24, 2003, and completed on June 30, 2008.
The stadium’s seating capacity is 91,000, including 11,000 temporary seats. The floor space is 258,000 square meters.
MEMORY TOWER
The tower, consisting of five stories of elevation structure, is stretchable. Its maximum height is 20.7 meters and maximum load is 20 tons.