1·The earliest of the city states of the ancient Near East appeared at the southern end of the Mesopotamian plain, the area between the Tigris and Euphrates rivers in what is now Iraq.
古代近东地区最早的城邦出现在美索不达米亚平原的南端，该地区位于底格里斯河和幼发拉底河之间，也就是现在的伊拉克境内。
2·Are the Zhou 's Fengguoes city states?
周代的封国是否城邦？
3·Are the Zhou's Fengguoes city states? There are two opposite viewpoints on it.
周代的封国是否城邦？学术界有截然相反的两种看法。
4·This date would make the city nearly as old as the end of the last ice age and pre-dates the earliest recorded city states, found in what is now Iraq, so seems rather unlikely.
这个日期使这座城市与上一个冰河期末一样古老，并且也刷新了史上记载最古老的城市(位于现伊拉克境内)，因此这看起来相当不可能。
5·The reason why the ancient Greeks organized such games was there were always wars between the city states in ancient Greece and they wanted to cease fire through their efforts.
古希腊人举办这样的运动会是因为那时城邦之间战争不断，他们想通过努力实现停火。
6·Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of pollutants.
虽然现在的情况不像以前那么糟糕，但是根据美国肺脏协会的数据，洛杉矶仍然是美国污染物水平最高的城市。
7·Approved April 24, 1800, the act of Congress that made provision for the removal of the government of the United States to the new federal city, Washington, D.C..
1800年4月24日，国会通过法案，规定将美国政府迁移到新的联邦城市华盛顿特区。
8·Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States.
汤姆·布拉德利在1973年至1993年期间担任洛杉矶市长。在这个时期，洛杉矶从一个郊区聚居的城市转变为美国第二大城市。
9·In mid-February 1917 a women's movement independent of political affiliation erupted in New York City, the stronghold of the Socialist party in the United states.
1917年2月中旬，一场独立于政治派别的妇女运动在纽约市爆发，纽约市是美国社会党的大本营。
10·This second largest city in the entire United States is also the biggest metropolitan area on the west coast.
这个全美第二大城市同时还是西海岸最大的都会区。