What are the ten continents in the United States? The ten most important

New york is the largest city and the largest commercial port in the United States. It is not only the financial center of the United States, but also one of the financial centers in the world. New york is located at the mouth of the Hudson River in southeastern New York, bordering the Atlantic Ocean. It consists of five districts: Manhattan, Brooklyn, Bronx, Queens and Richmond, covering an area of 828.8 square kilometers, with an urban population of more than 7 million. Greater new york includes a suburban population of 6,543,800. New york is also the seat of the United Nations Headquarters, which is located on the east coast of Manhattan Island.

Manhattan Island is the core of new york, with the smallest area among the five districts, only 57.9438+0 square kilometers, but it is the financial center of the United States. More than one-third of the 500 largest enterprises in the United States are headquartered here. Six of the seven major banks and the headquarters of major monopoly organizations have set up central strongholds here. It also concentrates the essence of the world's finance, securities, futures and insurance industries. Wall Street, located in the south of Manhattan Island, is the symbol of American wealth and economic strength, the base camp of American monopoly capital and the synonym of financial oligarchy. On both sides of this narrow street, which is only 540 meters long, there are more than 2900 financial and foreign trade institutions. The famous new york Stock Exchange and American Stock Exchange are located here.

New york is the city with the most skyscrapers. Representative buildings include the Empire State Building, Chrysler Building, Rockefeller Center and later the World Trade Center (the World Trade Center collapsed due to terrorist attacks on September 1 2006). The Empire State Building and the World Trade Center Building have 100 floors, which are majestic and spectacular. Therefore, new york is called "a city that stands tall". New york is also the center of American culture, art, music and publishing, with numerous museums, galleries, libraries, scientific research institutions and art centers. The headquarters of the three major American radio and television networks and some influential newspapers and news agencies are located here.

New york is also an important hub of railway transportation. The length of the subway in new york is over 1000 km, which is the longest and fastest subway transportation system in the world. There are three international airports in new york, among which the famous Kennedy International Airport undertakes 50% of the national air transport business of import and export goods and 35% of the international passenger transport business.

New york is the region with the largest concentration of ethnic minorities in the United States. There are more than 6,543,800 blacks, mainly living in Harlem. The famous Chinatown has 1.5 million Chinese. There are also many Italians and Jews.

City of angels is the second largest city in the United States after new york. Located in the south of California on the west coast of the United States, near the coasts of San Pedro Bay and Santa Monica Bay on the east side of the Pacific Ocean, and backed by San Gabriel Mountain, it covers an area of 1.200 square kilometers. The metropolitan area includes Los Angeles County, part of Orange County and Ventura County, and more than 80 towns such as Beverly Hills, Pasadena and Long Beach, with a total area of 65,438+00,567 square kilometers. The city is located in an open basin surrounded by mountains on three sides and facing the sea on one side. Except for some hills, the ground is flat, with an average elevation of 84 meters, and the highest point, Elsie Peak, is 1549 meters. The year is sunny, dry and rainy, and the climate is mild and pleasant, with an average temperature of about 12 degrees, 10/3.7 degrees in October and 23.4 degrees in July. The annual precipitation is only 357mm, mainly winter rain.

19 At the end of the 20th century, with the discovery of oil, Los Angeles began to rise and quickly developed into the largest city in the western United States. After World War II, with the rise of modern industry, the prosperity of commerce, finance and tourism, the surge of immigrants and the continuous expansion of urban areas, Los Angeles has become a megacity in the United States. Now Los Angeles has become the largest petrochemical, marine, aerospace and electronic industrial base in the United States. It is one of the major science and technology centers in the United States, with the largest number of scientists and engineers in the United States and the title of "City of Science and Technology", where the famous Silicon Valley is located. In recent years, the financial industry and commerce in Los Angeles have also developed rapidly. Hundreds of banks have set up offices in Los Angeles, including many famous international consortia, such as Lockheed, Northrop and Rockwell. Los Angeles has become a financial center after new york.

Los Angeles is also the cultural and entertainment center of the United States. The famous "movie kingdom" Hollywood, charming Disneyland and beautiful Beverly Hills make Los Angeles a world-famous "movie city" and "tourist city". Freeways and city streets crisscross like cobwebs, extending in all directions. The road area of Los Angeles accounts for about 30% of the city's area. It is the most developed city in the United States and the city with the most cars in the United States.

Los Angeles is also very developed in culture and education. There are world-famous California Institute of Technology, UCLA, University of Southern California, Huntington Library and Getty Museum. The Los Angeles Public Library has the third largest collection in the United States.

Los Angeles is the largest industrial center in the western United States, and its manufacturing output accounts for about12 of California, ranking third in the country. Los Angeles is also a modern deep-water harbor. There is a famous thermos bottle project in Long Beach nearby, which is an artificial island for oil exploitation. There is a unique large inclined shaft on the island.

A large number of immigrants have made Los Angeles a multi-ethnic and multi-cultural international city. Ethnic minorities account for about half of the city's population and there are many immigrant communities. Areas inhabited by various ethnic groups have formed their own "cities". Los Angeles is also one of the major gathering places for Chinese Americans, with about 400,000 Chinese.

Chicago is the third largest city in the United States and the largest industrial center in the Great Lakes region. Located in the northeast of Illinois, at the southwest end of Lake Michigan. It covers an area of 590.5 square kilometers and has a population of 2.784 million (1990), of which blacks account for about 40%. The metropolitan area consists of six counties including Cook, including several neighboring cities in satellite towns and the northwest lakeside area in Indiana, with an area of 1206 1.6 square kilometers. Within 480 kilometers around Chicago, nearly 20% of the country's population is concentrated. The city extends to the west, north and south along the lakeside plain, with flat terrain. The climate is mild and humid. 65438+ 10, the monthly average temperature is -4.3℃, the July average temperature is 23.7℃, and the annual precipitation is 875 millimu. The northeast wind from Lake Michigan blows all the year round, and it is known as the "windy city".

At the beginning of the 20th century, the Midwest was already the largest grain, meat and milk producing area in the United States. With the development of coal and iron resources in the Great Lakes region, Chicago has quickly become the largest city, transportation and industrial center in the central and western regions, and its commerce and financial industry have become increasingly prosperous. Chicago has a glorious history in the international workers' movement. It is the birthplace of International Labor Day (1886) and Women's Day (1909).

Chicago has a complete industrial sector, with advantages in heavy industry and developed light industry. It is the largest steel and meat processing industrial base in China, and it is in a leading position in agricultural machinery, transportation machinery, chemistry, petrochemical industry, motors, aircraft engines and printing, as well as wood processing, paper making, electronics, textiles, clothing, flour and other industrial fields. Industries are mainly distributed in the north of Chicago and on both sides of the canal. Lupu Industrial Zone, which is close to the city center, has a high density of factories and is an important light industrial zone. There are many large-scale enterprises in Kaliumet Industrial Zone in the south of the city, which is a heavy chemical industrial zone dominated by steel, and there is the largest steel complex in the United States in the satellite city of Gary. Commerce and finance have flourished. There is a huge grain and livestock market in this city. There are more than a thousand trading companies, and the wholesale and retail are among the best in China. It is also a major mail order center in the world. Tourism is also very developed.

Chicago is the largest railway hub in the United States, where more than 30 railway lines are assembled in the north-central United States. The total length of urban railway lines (65.438+0.24 million kilometers) and the annual freight volume (56.5438+0.2 billion tons) rank first among major cities in the world. Highway traffic is developed, and 12 highway trunk line passes through the territory, which is the center of the state highway system. In addition, it is also an important lake port in the Great Lakes region. Ships can go to sea through the Erie Canal-Hudson River or St. Lawrence River. There are three important airports in the city, among which O 'Hare International Airport, located in the northwest of the city, is the largest and busiest airport in the United States, with an annual passenger flow of 30-40 million.

Lupu District, located at the mouth of the Chicago River, is the center of Chicago and the most prosperous business district. Its area only accounts for 1% of the city, but it concentrates about 1/6 employees in the city. The streets of Chicago are distributed in a grid, and modern high-rise buildings with different styles are dense. Sears Tower, with a height of 443 meters and a floor of 1 100, is the tallest building in the United States, followed by Standard Petroleum Building with a height of 346 meters and 80 floors, Hancock Center Building with a height of 343.5 meters and a floor of 100, Water Tower Plaza Building and First National Bank Building. At the western end of Lupu District, the Chicago River is divided into a south branch and a north branch. The north area between the North Branch and Lake Michigan has a beautiful environment and is a high-grade residential area with complete cultural and entertainment facilities. The southern district between the South Branch and Lake Michigan and the western district between the South Branch and the North Branch are mainly industrial areas, inhabited by blacks and many low-standard houses. There are many parks and green spaces in Chicago, covering an area of nearly 5,000 hectares. The lakeside "green belt" is the main leisure place for citizens, and there are also large forest reserves in the suburbs of Chicago.

Chicago is one of the major cultural and educational centers in the United States. There are 95 colleges and universities in the capital circle. University of Chicago, founded in 189 1, enjoys an international reputation. Its Oriental College and Museum are famous for collecting oriental art treasures. There are also famous universities such as the University of Illinois, Illinois Institute of Technology and Northwestern University. Other important cultural facilities include the Art Institute, Art Museum, Science and Industry Museum, Shede Aquarium, Adler Planetarium, Historical Society, etc. The ancient water tower standing in the center of the city is a historical relic that survived the Chicago fire in 187 1.

Houston, the fourth largest city in the United States, is located in the upper part of the Gulf Plain in southeastern Texas, 80 kilometers away from the Gulf of Mexico and 49 feet above sea level (14.94 meters). The greater Houston area (including seven surrounding counties) covers an area of 6,304 square miles and has a population of about 4.3 million. The urban area of Houston is 6 17 square miles. Mainly white, black and Mexican. Among them, the population of Mexico has grown rapidly in recent years.

The rest cities have subtropical climate, with an average annual temperature of 20.7 degrees Celsius and an average annual rainfall of 1.224 mm. Summer is hot and humid, and the temperature above 33 degrees Celsius reaches 94 days. The annual sunshine duration is 188 days, and there are many hurricanes from July to 165438+ 10 every year.

There are abundant oil and natural gas around the city, especially along the Gulf Coast. In addition, barite, gypsum, magnesium, salt, wood and fresh water resources are also abundant.

Closed market is the center of American petroleum industry and petrochemical industry. Of the 65,438+000 largest energy companies in the United States, 28 are headquartered here, and more than 5,000 companies are engaged in energy-related businesses. At present, the closed market can refine 3.347 million barrels of crude oil every day, accounting for 85. 1% in Texas and 2 1.7% in the United States. Other places in the city also produce American 39. 1% polyethylene and 6 1% polypropylene.

The remaining cities are also important international financial and trade centers, with 523 commercial banks, 393 mortgage lending institutions and 52 1 securities trading institutions. Nearly 40 of the top 50 banks in the world have set up branches or representative offices here.

1993, Hugh became the second largest port in the United States. 1 became1the largest import port, the fourth largest export port and the seventh largest port in the world in 1994. There are 66 fixed routes connecting 250 ports in 1 13 countries and regions. The main throughput of the port is petrochemical agricultural products and industrial machinery and equipment.

It is very convenient to close the city's land transportation. The 14 railway trunk line radiates outward, and expressways extend in all directions. There are three airports in other cities, and dozens of airlines operate passenger and freight services, making it the largest international airport in the southern United States.

The closed Texas Medical Center is one of the largest and most famous medical centers in the United States and even in the world, and it is the most famous in cancer and heart research.

Johnson Space Center was built in 1962, covering an area of 1620 acres and employing 17000 people. It is a base for training American astronauts, developing and designing space shuttles and space stations.

Houston is also a marine science research center. Of the more than 70 marine research institutions in the United States, half have set up headquarters here, and the other half have offices here.

There are 38 institutions of higher learning with more than 230,000 students. The largest university is the University of Houston, and the most famous is Rice University, which is known as Harvard in the South. 1990 was the school where the G-7 Summit was held.

Philadelphia, the fifth largest city in the United States and the largest city in Pennsylvania, is called Delfia in Philadelphia. Located on the southeast edge of the state, at the intersection of the Delaware River and the Skulkir River, east of the Atlantic Ocean142km. The urban area is 352 square kilometers and the population is 654.38+0.586 million (654.38+0.990). The metropolitan area includes about 140 towns in five counties such as Philadelphia and two counties such as Camden, New Jersey, with a total area of 9,202 square kilometers.

The city is backed by the Appalachian piedmont platform and extends along the narrow peninsula between the two rivers. Flat terrain, with an average elevation of 30 meters. The climate is mild and humid. The average temperature in winter and summer is 0.2℃ and 24.9℃ respectively, and the average annual precipitation is about1000 mm.

Philadelphia is a famous historical city in the United States and played an important role in the American War of Independence. 1774- 1775 two continental conferences were held here and the declaration of independence was adopted; 1787, a constitutional convention was held here, and the first federal constitution was born. 1790- 1800 is the capital of the United States. /kloc-since the 0/9th century, railways and ports have developed rapidly, and the manufacturing industry has risen. 1860 manufacturing output once accounted for 30% of the country. It remains one of the major economic, transportation and cultural centers in the United States.

The heavy chemical industry is developed, and it is the main oil refining center and steel and shipbuilding base on the east coast of the United States, as well as important industrial departments such as chemistry, motors, electrical appliances, machinery, railway locomotives and automobiles, and is known as the "Ruhr of the United States". Textile, clothing and other light industries are also famous. About two-fifths of the employed population in this city are engaged in industry. Commerce and finance are also very developed. The first American bank and stock exchange was born here. At present, there are more than 20,000 retailers and wholesalers in the capital circle, and commercial employees account for 1/5 of the total employed population. There are 58 commercial banks and 7 mutual savings banks, which are the headquarters of the Third Federal Reserve Bank of the United States. 1969 A new American mint was built.

Philadelphia Port is one of the largest estuary ports in the world. There is a canal connecting the Delaware River and chesapeake bay. There is a free trade zone with an area of about 29 hectares. There are three railway trunk lines, and the dense road network is connected with the port, which has convenient land and water transportation. There are subways, elevated railways and complete public transportation facilities in the city. There are six bridges across the Delaware River in the metropolitan area, connecting towns in New Jersey on the other side. Philadelphia International Airport is located in the southwest of downtown 12km, with the highest passenger and freight volume in China.

The urban area is centered on this square, which is located in the middle of the river, and the tower of the city hall standing on the square is the commanding height of the city; There is a tree-lined square in every corner of the square. The layout of the street is checkerboard. This city is quiet and livable, and is known as "the city of hometown". 38% of urban residents are black, while 95% of suburban residents are white. Maikaite Street and Bloomwood Street, which pass through the central square, are the east-west and north-south main roads. The new "Central Center" along mccabe Street and John F. Kennedy Street on the west side of this square is the main business district with many high-rise buildings.

Benjamin extends northwest from the city hall? Franklin Street is a broad boulevard, passing through Philadelphia Museum of Art, Rodin Museum, Benjamin? Important cultural facilities such as Franklin Memorial Hall and Festus Planetarium lead to fairmont Park. The park extends along the Skulkier River and covers an area of 65,438+0,600 hectares. It is the largest city park in the world, with 65,438+0,876 American centennial expositions. There are many historical sites in the east of the city's Independence Square, which was built at 1730 and is now a part of the National Independence Park. The Inner Independence Palace is the place where 1776 announced the declaration of independence on July 4th, and it contains the famous liberty bell. Carpenter Hall nearby was the site of the first continental congress. The Christian church built in 1727 is the chapel of leaders such as Washington and Franklin during the War of Independence, and there is Franklin's tomb nearby. In the west of the city is a university area, including the University of Pennsylvania, Tampa University and St. Joseph College. Keltis Conservatory of Music, Pennsylvania Academy of Fine Arts and other famous institutions of higher learning. Philadelphia Orchestra enjoys a high reputation in the world.