2014
高考英语阅读理解抓分精品练习(9)及答案 阅读理解 a 篇 until late in the 20th century most americans spent time with people of different generations. now midd le-aged americans may not keep in touch with old people until they are old themselves. that's because we group people by age. we put our three-year-olds together in day-care centers, our 13-year-olds in schools and sport activities, and our 80-year-olds in