【正文】
strial(工業(yè)的 )area begins to grow. There is usually a living area nearby. The factory workers can lire there. The families of these workers need schools, hospitals, and shops. So more people e to 1ive in the area to provide these services and so a city grows. In every big city in the world, there is a business area(商業(yè)區(qū) ). There the big panies(公司 )have their main offices. In the United States. this area is usually in the city center. The people who work there often travel a long way to work each day. Many of them live outside the city. It is far away from the industrial area and the city center. What is the future of the big cities? Will they go on getting bigger and bigger? Perhaps(或許 )not. Some big cities have bee smaller in the last ten years. It is quite possible that one day we will see people moving out of the big cities and back into smaller towns and villages. ( )1. People began moving to 1ive in cities_________. A. in the 16th century B. in the 17 th century C. in the 18 th century D. in the 19 th century ( )2. What’ s the main reason why people e to live in cities? A. To live a better life. B. To provide jobs for them. C. To build factories. D. To enjoy good services. ( )3. Big panies have their main offices_________. A. in the business area B. in the industri