很多考生在复习英语长难句时不知道何处下手。下面是新祥旭考研整理的120句考研英语长难句，分享给各位考生。考生只需把以下单句研究透彻了，长难句就不用担心了。

　　21. The realization that she can be a good provider may increase the chances that a working wife will choose divorce over an unsatisfactory marriage.

　　22. For most thinkers since the Greek philosophers, it was self-evident that there is something called human nature, something that constitutes the essence of man.

　　23. The exact mechanisms involved are still mysterious, but the likelihood that many cancers are initiated at the level of genes suggests that we will never prevent all cancers.

　　24. The fact that the general literature on interviewing does not deal with the journalistic interview seems to be surprising for two reasons.

　　25. In 1993, there was an explosion in a population of rodents in southwestern United States that spread hantavirus syndrome, a lung infection, after a drought that killed off the rodents' predators was quickly followed by heavy rains that expanded the rats' food supply.

　　26. She adds, “Most women and blacks are so frightened that people will think they’ve gotten ahead because of their sex or color that they play down(使不突出)their visibility.”

　　27. An examination of the history of humanity suggested that man in our epoch is so different from man in previous times that it seemed unrealistic to assume that men in every age have had in common something that can be called "human nature."

　　28. The study of primitive peoples has discovered such a diversity of customs, values, feelings, and thoughts that many anthropologists arrived at the concept that man is born as a blank sheet of paper on which each culture writes its text.

　　29. As surgeons watch a three-dimensional image of the surgery, they move instruments that are connected to a computer, which passes their movements to robotic instruments that perform the surgery.

　　30. After driving many of the animals around them to near extinction, people were forced to abandon their old way of life for a radically new survival strategy that resulted in widespread starvation and disease.