美国，仅2OO多年的建国史，却在人类的发展史册上写下了辉煌的一页。但不论政治体制和社会制度如何，能以其科技、教育、经济高度发达，物质极大丰富，没有工农差别城乡差别的世界强国之一而著称于世，感召各国人们去观光、去考察、去研究就很了不起。1998年10月下旬至11月上旬 In the United States, only over 200 years of founding a nation have written a glorious page in the history of human development. However, regardless of the political system and social system, it is famous for its science and technology, education, highly developed economy, great material enrichment, and one of the world powers that do not have the difference between urban and rural areas without workers and peasants. All these people are encouraged to go sightseeing, visit and go Research is amazing. From late October to early November 1998