专四听写训练120：The Library of Congress
The Library of Congress is the national library of the United States. / It was founded in 1800 to serve the needs of the congressmen. / Today, it contains books, articles and documents on every subject imaginable. / Besides senators, congressmen and other government officials, / it serves libraries, researchers, artists and scientists throughout the country and the world. /The Library is one of the largest libraries in the world. / It has a collection of 74 million items which are housed in three buildings. / The bookshelves stretch for 350 miles. / Of the 18 million books, more than half are in languages other than English. / The main reading room is a great hall of marble pillars. / It is the center of activity in the library. / There is a computer catalog center with six terminals for quick access to information. / For greater speed and efficiency, / the library has installed an electric book – carrying system / that carries books from one building to another in only a few seconds.