THE NEW YORK STOCK EXCHANGE

　　The New York Stock Exchange (NYSE) is a neo-classical building located at 11 Wall Street,. It is the world's largest stock exchange by market capitalization of its listed companies (at US $12.25 trillion as of May 2010). You can visit the building and watch from the third floor as traders buy and sell shares from companies around the world. 　　BANKERS STRUST COMPANY BUILDING

　　At 14 Wall Street you can find the Bankers Trust Company Building. It's a 227-metre skyscraper that occupies an entire block. The building was originally the headquarters of Bankers Trust. These days, it serves as the American headquarters of Deutsche Bank. 1. How did Wall Street Wall acquire its name?

A. Local New Yorkers named it after a certain man.

B. Some Native American Indians gave it the name.

C. The street got its name due to the original architecture there.

D. The English adopted the name in memory of the original wall.

2. Among the important landmarks, which used to stage certain political events?

A. Trinity Church. B. Federal Hall National Memorial.

C. The New York Stock Exchange. D. Bankers Trust Company Building.

　　B

　　Do you like chocolate? It's popular all over the world, but why? Scientists have been trying to discover its secrets.

The main thing is that chocolate makes us happy. This may have something to do with the 380 known chemicals found in it. The problem is that many of these chemicals appear in other types of food too. So, it's difficult to know why the ones in chocolate make us feel good. But we aren't all lost. Adam Drewnowski at the University of Michigan found that chocolate makes the