http://www.qinxue6.com提供
英语四级阅读理解模拟试题及答案详解14免费下载，
as well---grandparents, uncles, aunts and cousions. Such "extended" families were suited for survival in slow paced __1__ societies. But such families are hard to __2__. They are immobile.Industrialism demanded masses of workers ready and able to move off the land in pursuit of jobs, and
英语四级阅读理解模拟试题及答案详解14
标签：
