世博演讲(英文)3分钟以上,跪求!!!

自己参考下~删掉些觉得不需要的东西~
The first World Expo was held in London on 1 May 1851. At that time, Britain was the greatest power in the world. To display the power and pride of the country, the British government built a 1,700 feet long and 100 feet high "Crystal Pa lace" in Hyde Park with 4,500 tons of steel and 300,000 blocks of glass (later de stroyed in the Second World War). Queen Victoria invited ten countries to exhibit products inside this "Palace". A total of 6.3 million people attended the Expo throughout the 160 days of its duration.

There are two types of World Expo, the "Comprehensive World Expo" and the "Special World Expo". Over the past 50 World Expos, most have been Comprehensive. The products exhibited at Comprehensive World Expos covered items of every nature. On the free sites provided by the host country, the exhibitors built Expo halls at their own expense to display their achievements in science, technology, cultu