阅读理解。 The favorite food in the United States is the hamburger. The favorite place to buy a hamburger is a fast food restaurant. At fast food restaurant, people order their food, wait a few minutes, and carry it to their tables themselves. People also take their food out of the restaurants and eat it in their cars or in their homes. At some fast food restaurant, people can order their food, pay for it and pick it up without leaving their cars. There are many kinds of fast food restaurant in the United States. The greatest in number sell hamburger, French fries and so on. They are popular among Americans. Besides, fast food restaurant that serve Chinese food, Mexican food, Italian food, chicken, seafood and ice-cream are very many. The idea of a fast food restaurant is so popular that nearly every kind of food can be found in one. Fast food restaurants are popular because they reflect (反映) American life style. Customer can wear any type of dress when they go to a fast food place. Second, they are fast. People who are busy do not want to spend time preparing their own food or waiting while someone prepares it. In fast food restaurant, food is not expensive. Therefore, people often buy and eat at a fast restaurant, while they may not be able to go to a more expensive restaurant very often. 1. In the United States the favorite food is ____. [     ] A. Chinese food B. Mexican food C. French fries D. the hamburger 2. Americans like to fast food restaurant because ____. [     ] A. they can easily find fast food restaurant B. they like to eat hamburger and French fries C. they are too busy to want to spend time preparing or waiting D. they are so rich that they don't want to do cooking themselves 3. ____ of fast food restaurant sell hamburger, French fries. [     ] A. All B. Most C. Few D. None 4. The food in fast food restaurant is ____ ready before the customers order it. [     ] A. always B. usually C. seldom D. never 5. The best title for the passage is ____. [     ] A. The Fast Food Restaurant in the U.S.A. B. The Hamburger in the U.S.A. C. American Life Style D. All Kinds of Food in the U.S.A.