美国是一个汽车王国。美国现有人口约2.6亿,据1995年统计,美国拥有1.5亿多辆汽车,人均占有汽车0.57辆,所以人们称其为“装在汽车轮子上的国家”。在美国,年满16岁的公民就可通过简单学习取得驾驶执照(driving/driver's li-cense),有的老人80多岁了还在驾驶。美国农业人口约占全 The United States is a car kingdom. The United States has a population of about 260 million. According to 1995 statistics, the United States owns more than 150 million vehicles and 0.57 cars per capita, so people call it “a country that is mounted on the wheel of a car.” In the United States, citizens over the age of 16 are able to obtain a driving license (driver / driver's li-cense) by simple study. Some elderly people are still driving. The United States agricultural population accounts for about