American cities are urgent! !

Houston is the capital of Texas. In the early 1950s, it was only a city with a population of over 500,000. At present, the population10.6 million, including the suburbs, has reached more than 2.9 million. It can be said to be an "upstart" city. Houston, located in the center of the oil-producing area along the Gulf Coast, is the largest industrial center of petroleum processing, petrochemical and basic chemistry in China, enjoying the reputation of "World Oil Capital" or "World Energy Capital". At present, its refining capacity accounts for more than 30% of the whole country, producing more than 1/2 of the whole country.

Artificial rubber and 2/3 ethylene, as well as more than 290 organic compounds and more than 80 inorganic compounds. Twenty-nine of the 30 largest oil companies in America have headquarters or branches here. NASA has a space center here, and successfully achieved the moon landing plan.

2. "Motor City" Detroit

Located on the shores of Lake St. Clare between Lake Huron and Lake Erie, it is an important railway and water transportation hub, and it is also on the coal-iron transportation trunk line, which is convenient for obtaining steel and energy to develop the automobile industry. It is the largest automobile industry center in the United States and a world-famous automobile city. Detroit has a population of about 4.4 million (including suburbs), and more than half of its workers are directly or indirectly engaged in automobile manufacturing. It is home to Ford, General Motors and other automobile companies and central factories, and is the most famous "automobile city" in the world.

3. "Airplane City" Seattle

Seattle is located in the north of the west coast of the United States, near the border between the United States and Canada. It is a military port and aircraft manufacturing center in the United States. The integrated management office of Boeing Aircraft Company and its main factories and research institutions are located here. The annual output of Boeing aircraft is more than 300, the sales amount is more than 8 billion US dollars, and more than 70% of them are exported. It is a world-famous "airplane city".

4. "Electronic City" San Francisco

San Francisco is also called San Francisco, and Silicon Valley is located in the valley of Santa Clara County, 50 kilometers southeast of the city. The valley is 48km long and16km wide, and now it has become an electronic industrial city with a population of100000. There are more than 2,700 large and small electronics factories, more than 3,000 companies providing prenatal and postnatal services for the electronics industry, and more than 2,000 other enterprises. * * * has more than 200,000 employees and an annual output value of over US$ 40 billion, making it the ninth largest manufacturing center in the United States.

5. "Steel Capital" Pittsburgh

Pittsburgh is one of the most important steel industry centers in the United States. Seven of the 65,438+000 largest enterprises in the United States are located here, among which the 64-story, 256.3-meter-high American Steel Company Building, the symbol of Pittsburgh, stands here. The city has a population of over 500,000, and 300,000 employees work here, making it a veritable "steel capital".

6. "Wind Capital" Miami

Statistics show that the maximum hurricane wind speed of 17 is 6 1.2 m/s, and Miami, a famous tourist city at the southern tip of Florida Peninsula, sometimes has a maximum wind speed of more than 77-88 m/s, which is the "wind capital" most affected by hurricanes. However, the average temperature here is 24℃ in summer and 2 1℃ in winter. It is suitable for swimming all year round and is also a famous tourist attraction.