精选优质文档-倾情为你奉上2005年10月12日开始第一次加试Sumerian CivilizationIt is an astonishing fact that human civilization should have emerged into the light of history in two separate places at just about the same time. Between 3,500 and 3,000 B.C. when Egypt was being united under pharaonic rule, another great civilization arose in Mesopotamia, the “land between the rivers”. And for close to three thousand years, the two rival centers retained their distinct characters, even though they had contact with