生子的

As to the formation and evolution of the motives in classical fictions, our viewpoints are: the FuXi custom had engendered an extremely rich repertory of motives, such as JianDi pregnancy legend in the Shang Dynasty, which was the earliest form of the "Swan Maiden" type stories in the world. This type of the story later in the Jin Dynasty evolved into the Maiden-bird type story, which again involved into many other stories in which maidens took the shape of an egret, a swallow, a snail, a tigress, a fairy maiden or a girl in lotus leaves. The custom of HanShi or QingMing may be embodied in the stories about encountering with a girl reviving from a tomb. The dragon in classical fictions may be disguised into an ox or trees, whose fight on fifth of May was a counterevidence of DuanWu.

至于古小说母题的生成和演化方面，我们也许可以认识到：以上巳为主的祓禊风俗产生了最为丰富的小说故事母题，如殷商时期的简翟生子传说是世界上最早的"天鹅处女"型故事，它在晋代又演化为女鸟故事；而那些鹤女、鹄女、鹭女、燕女、螺女、虎女、荷衣女等故事，则在不同程度上是"天鹅处女"型故事的变型型式；在同异境女子遇合的故事中，郑交甫神遇江妃二女、世间男子巧遇仙境女子的故事都包藏着上巳习俗的内涵，而幽婚故事更多地带有寒食、清明风俗的痕迹；古代盛传的金牛故事、青牛故事不但可以归属龙类故事，而且在很大程度上与端午厌胜蛟龙的巫术有关，至于龙斗故事则明显地和端午习俗相联系，甚至可以由此反证端午驱龙的本意。

This dissertation attempts to map out African American dreams for personal fulfillment, for equal opportunity, for recognition in the society, and for a place to start all over again respectively in four major novels written by African American writers in the twentieth century: Their Eyes Were Watching God (1937) by Zora Neale Hurston, Native Son (1940) by Richard Wright, Invisible Man (1952) by Ralph Ellison, and Paradise (1998) by Toni Morrison.

本文以非洲裔美国作家于二十世纪创作的四部作品（佐拉·尼尔·赫斯顿于1937年发表的《他们眼望上苍》、里查德·赖特于1940年发表的《土生子》、拉尔夫·艾里森于1952年发表的《无形人》和托妮·莫里森于1998年发表的《乐园》）为对象，从文化研究的角度分别考察了非洲裔美国人追寻自我价值的实现、平等寻梦的机会、主流社会的认可和获得新生的机会等梦想。

Decades of extensive efforts have been dedicated to the searching of DNA sequence variations that increase the risk. However, the non-Mendelian complex mode of transmission made genetic studies in Schizophrenia quite difficult.

大量的双生子、寄养子和家系研究的数据表明在精神分裂症的发病过程中遗传因素有很重要的作用，多年来为了寻找提高精神分裂症风险的DNA序列上的突变已付出了巨大的努力，然而该病的遗传方式非常复杂，并不符合简单的孟德尔遗传规律，使得遗传分析至今还没有获得令人满意的结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。