我们两个伟人的国家，交往的历史已经有200年了，跨越厂三个世纪。两同人民友谊和合作的动人事迹还历历在日。19世纪 60年代，中国数以万计的华工参加了美国横贯东西部大铁路的修建工作。他们不顾严寒、饥饿和待遇菲薄的恶劣条件，当别的建筑队伍都撤下来的时候，只有中国这支队伍坚持到底。最后一根枕木是由四位华下铺上的。无数人为这个工程献出了生命。1991年伊利诺伊州曾经专门派人到上海用3 000个道钉做了个纪念碑。他们说，中国筑路工人的最大贡献就是沟通了美国东西部的大通道，并由此推动厂美国的统一，这是一个重要的因素。

问答题But as we Americans use the word, friend can be applied to wide range of relationships—to someone one has known for a few weeks in a new place, to a close business associate, to a childhood playmate, to a man or woman, to a trusted confidant. There are real differences among these relations for Americans—a friendship may be superficial, casual, situational or deep and enduring. But to a European, who sees only our surface behavior, the differences are not clear. As they see it, people known and accepted temporarily, casually, flow in and out of Americans’ homes with little ceremony and often with little personal commitment. They ,lay be parents of the children’s friends, house guests of neighbors, members of a committee, business associates from another town or even another country. Coming as a guest into an American home, the Europe an visitor finds no visible landmarks. The atmosphere is relaxed. Most people, old and young, are called by first names.

填空题higher upper

填空题将price改为prices

填空题将北改为there。

填空题将week改成week’s。