Shanghai-born novelist Lu Shi'e wrote a fantasy novel called New China in 1910．In the book he described a dream where trains were running underground, an iron bridge crossed the Huangpu River and Shanghai hosted a successful World Exposition in the underdeveloped Pudong area at that time．The blueprint(蓝图)described in the novel became real exactly after 100 years．

　　On May 1, 2010, the World Exposition, with 158 years of history, drew back its curtain from Shanghai．According to a source at the Organizing Committee(组织委员会)of the World Exposition 2010 Shanghai, it is expected to attract more than 70 million visitors, making it the most popular exposition in history．It is also the first time the World Exposition is held in a developing country．

　　About 600 years ago, Shanghai was just a small fishing village in China's eastern coastal area．It grew into a commercial(商业的)city thanks to its prosperous(繁荣的)port and, over the course of 100 years, Shanghai became among the first Chinese cities to open its doors to the world．Along the way, it became the economic and commercial hub of China．

　　Today, Shanghai is developing into an international metropolis(大都会)．

Answer the following questions according to the passage．

1．Was the novelist Lu Shi'e born in Shanghai?

2．When did the blueprint become real?

3．How many visitors will Shanghai Exposition attract according to the source?

4．What was Shanghai like about 600 years ago?

5．What's the passage mainly about?