2014高考英语阅读理解专题训练极品题（11）及答案
C7 [2013·陕西卷] ----C
According to sociologists(社会学家), every modern industrial society has some form of social stratification(阶层)．Class, power and status are important in deciding people's rank in society.
Class means a person's economic position in society.A commonly used classification is lower class, middle class and upper class.While sociologists disagree on how these terms should be exactly defined, they do describe societies like the United States quite well.One study shows that 53% of Americans belong to the lower class, 46% the middle class, and 1% the upper class.Interestingly, a surgeon earning $ 500，000 a year and a bus driver earning $ 50，000 a year both regard themselves as the middle class!
Power refers to the amount of control a person has over other people.Obviously, people in positions of great power(such as governors) exercise(行使) big power, but people who take orders from others have less power.Power and class do not always go hand in hand, however.For example, the governor of a state has great power, but he or she may not belong to a corresponding(相应的) economic class.Generally, however, there is a
