阅读短文，选择正确答案。 Indianapolis is the capital and largest city of Indiana, USA. With a population of 774000, it is one of the largest cities in the world that cannot be reached by water. However, Indianapolis is a city through which many railways, roads, buses, and planes pass. There are many factories that make cars, farm tools and electrical things. These factories cause little pollution for the city. Bulter University, well known for engineering, and the law and medical schools of Indiana University are in the city center. Nearby is the Indianapolis race course, where the nation's most famous car race is held every year on May 30th. If you visit Indianapolis, you will be able to find your way around easily because most of the streets cross each other like a chessboard. In the center of the city, called the circle, stands the Soldier's and Sailor's Monument (纪念碑), 100 hundred meters high. Also in the center there are many buildings made of famous Indianapolis stone, which makes them white in color. 1. You can not travel to Indianapolis by _______. [     ] A. boat B. bike C. car D. train 2. What is Indianapolis best known for? ________. [     ] A. Its school and libraries B. Its yearly motor race C. Its universities and medical schools D. Its Soldiers' and Sailors' Monument 3. It is easy for a stranger to go about in the city because ________. [     ] A. most of the buildings are in the center of the city B. there are many different ways of traveling there C. the buildings are very close to each other D. the city is planned in squares 4. Many buildings in Indianapolis are white because ________. [     ] A. they are painted every year B. the Indiana people keep them clean C. they are made of special stone D. there is little pollution from factories