2014
高考英语阅读理解精品练习（7）及答案（解析） 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
