一、问题的提出本课题的研究起因一是三曾流传这样一首民谣:“南仙水团团,有脚无路打圈圈。活牢关住男子汉,勿想城里媛子来寻婚。”深刻地表述了三无桥交通不便的尴尬状况。二是我们学习了课文《桥之美》和《中国石拱桥》,被文中所描述的中国古桥和桥文化吸引。我们所居住的三 I. The Proposal of the Problem One of the causes of the research on this topic was the fact that three people had circulated such a folk song: “The Southern Sin Shui group has no feet and no way to circle. Keep alive the man, and don’t want to find marriage in the city.” Deeply expressed the embarrassing situation of the inaccessibility of the Sanwu Bridge. The second is that we learned the text “Beauty of Bridges” and “China Stone Arch Bridge” and was attracted by the Chinese ancient bridge and bridge culture described in the article. The three we live in