北京奥运对我国有哪些正面的影响?

我刚交上去一个，给你用吧
奥运会的举办推动了北京的城市基础设施建设，健全了城市交通体系，完善了城市绿化设施，提高了城市文明程度，增进了中国人民与世界人民的友谊，对北京乃至中国的经济发展都起到了推动作用，同时更向世界展示了中华文明的博大精深，向世界宣传了正在健康发展中日益强大的中国。
The hosting of the Olympic Games promotes Beijing's urban infrastructure construction, improves the urban transportation system, and improves the city’s environment-protect facilities, strengthens the urban civilization ,and enhances the friendship of Chinese people and all peoples of the world.This have played a catalytic role in Beijing and China's economic development, also demonstrates to the world of the profound Chinese culture, which inform the world of the harmonious development of increasingly powerful China.

奥运会的举办推动了北京的城市基础设施建设，健全了城市交通体系，完善了城市绿化设施，提高了城市文明程度

奥运城市的各种运输将受严重影响。