2.One can raedily trace the disappearance of dinosaurs to a major cataclysmic event.

人們很容易把恐龍消失的原因歸結為重大的災難性事件。

3.The raesons for poverty are many, but for the most part center on illiteracy, the lack of opportunities and in some cases pure laziness.

貧困的原因很多，但主要是因為缺少教育、缺少機會，有的情況下純粹是由于懶惰。

4.The reasons for antisocial behavior are both complicated and varied. I suggest the phenomenon results from inappropriate role models and the lack of well-defined norms of behavior. However, the main reason is quite likely the continuing degeneration of social values.

反社會行為的原因既復雜又多樣。我認為這種現(xiàn)象是不恰當?shù)慕巧�典型和缺少行為�?guī)范的很好的定義造成的。然而，主要原因很可能是不斷貶低的社會價值。

5.The causes of racial hatred are not readily definable. Sociologists, however, attribute them to the misguided concept of a superior race and an innate mistrust of people of color. Perhaps the main cause is quite simply ignorance.

種族仇恨的起因沒有現(xiàn)成的答案。然而，社會學家把原因歸結為被誤導的更高貴的種族的觀念以及天生的對有色人種的不信任。主要原因可能僅僅是因為無知。

6.The scourge of HIV/AIDS currently engulfing the world will quite likely be brought under control within the next few years thanks to the untiring efforts of scientists and researchers worldwide.

現(xiàn)在席卷世界的艾滋病的禍害很有可能由于全世界科學家和研究人員的不懈努力在未來幾年內(nèi)得到控制。

7.One of the most common failures of people today is to avoid telling the truth. People must realize that avoidance and lying have never in the past and, in fact, never will right a wrong.

如今人類最常見的一個不足是不說真話。人們必須意識到不說真話、說謊話在過去沒有，事實上，將來也永遠不會變錯誤為正確。

8.Increased urban pollution levels and the mounting death toll from motor vehicles accidents can mainly be attributed to the glut of automobiles appearing on city roads in recent years. Detrimental factors will quite likely outweigh the benefits of rising automobile usage.

城市人口的增長和車禍中死亡率的增加主要是由于近年內(nèi)充斥城市道路的汽車。汽車使用量的增加帶來的有害因素很有可能超過它的好處。

9.The rising divorce rate in China can, at least in part, be attributed to spousal incompatibility, disparities in education levels, changing social attitudes and the increasing upward mobility of the younger generation.

中國上升的離婚率可以，至少部分可以歸結為婚姻的不和諧，受教育水平的差異，變化的社會看法以及年輕一代不斷增強的上進心。

10.Social finesse, willingness to relocate and language capacity are also determinant factora in assessing job qualifications.

社交手腕、愿意調(diào)動以及語言能力也是評估工作資格的決定性因素。