问题描述：
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问题解答：
Shanghai 上海
Area: 6.185 km, the city itself covers 145 km/Population:11.8 million Shanghai is a special city in every respect. Only 50 years ago, it was still considered one of the most important metropolises of the world, as the trading and banking center of Asia, as a city of extremes, an EI Dorado for adventurers.
The city has made great social and economic progress since 1949. The Shanghai of the past had unsolvable economic problems, a dreaded underworld, masses of unemployed, beggars and homeless, thousaands of prostitutes and pimps. Today, it presents itself as an orderly large city where everyone has enough to live on and no ragged coolies and beggars loiter about. Shanghai is the largest city in China and a trade and manufacturing center. Almost one-half of all national and international trade is transacted in shanghai, which has trade telations with 115 countries. Shanghai is also China's most important port. There are 275 different shipping connections with foreign port. Inland shipping is conducted on the Changjiaang to the interior as far as Sichuan. The four airports have inland and foreign connections.
Today, Shanghai is the most important cultural and scientific sectors.Opera, ballet and circus companies known in China as well as abroad are based in Shanghai. One hundred and ninety research institutes, universities and technical schools hav made Shanghai into a center for thhe sciences.
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