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题目
The first World Expo was held in London on 1 May 1851. At that time, Britain was the greatest power
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.
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提问时间:2021-01-26

答案
1851年5月1日,首次世界博览会在伦敦展开.作为当时最强大的英国为了展示本国实力,在海德公园用4500吨钢筋,300000块玻璃建造起了长1700英尺高100英尺的“水晶宫”(后毁于二次世界大战).10个国家收到维多利亚女王的邀...
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