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。

　　41. The emphasis on data gathered first-hand, combined with a cross-cultural perspective brought to the analysis of cultures past and present, makes this study a unique and distinctively important social science.

　　42. It is recounted of Thomas Carlyle that when he heard of the illness of his friend, Henry Tailor, he went off immediately to visit him, carrying with him in his pocket what remained of a bottle of medicine formerly prescribed for an indisposition of Mrs Carlyle’s.

　　43. The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.

　　44. President Bush, in a June 11 speech on global climate change, described as "fatally flawed" the 1997 treaty negotiated in Kyoto, Japan, by the United States and other industrial countries but later rejected by the Bush Administration.

　　45. Given the great expense of conducting such experiments with proper controls, and the limited promise of experiments performed thus far, it is questionable whether further experiments in this area should even be conducted.

　　46. One of the first measures proposed by president Franklin D .Roosevelt when he took office in 1933 was the Agricultural Adjustment Act, which was subsequently passed by Congress.

　　47. As the century developed, the increasing magnitude and complexity of the problems to be solved and the growing interconnection of different disciplines made it impossible, in many cases, for the individual scientist to deal with the huge mass of new data, techniques and equipment required for carrying out research accurately and efficiently.

　　48. If courses in design, which in a strongly analytical engineering curriculum provide the background required for practical problem solving are not provided, we can expect to encounter silly but costly errors occurring in advanced engineering systems.

　　49. There is no more difference, but there is just the same kind of difference, between the mental operations of a man of science and those of an ordinary person, as there is between the operations and methods of a baker or of a butcher weighing out his goods in common scales, and the operations of a chemist in performing a difficult and complex analysis by means of his balance and finely graded weights.

　　50. It is not that the scales in the one case, and the balance in the other, differ in the principles of their construction or manner of working; but that the latter is a much finer apparatus and of course much more accurate in its measurement than the former.