GRE考试2015年10月17日阅读预测机经-智课教育旗下智课教育.pdf

智 课 网 G R E 备 考 资 料 GRE考试2015年10月17日阅读预测机经-智课教育旗下 智课教育 机经对于GRE考试来说，就是获得高分的一个重要的保证，考生可 以凭借对机经的了解，更为行之有效的准备自己的复习，以下是小编为 考生分享的GRE考试2015年10月17日阅读预测机经。 对于大部分想要借由GRE考试成绩，搭乘名校留学直通车的考生而 言，如何更为行之有效的利用好手中的资源就是考生获得高分的一个必 要保证，那么今天小编为考生分享GRE考试2015年10月17日阅读预测 机经，通过对机经的了解，小编希望考生可以取得更加满意的分数。短阅读 Although passenger pigeons, now extinct, were abundant in eighteenth-and nineteenth-century America, archaeological studies at twelfth-century Cahokian sites in the present-day United States examined household food trash and found that traces of passenger pigeon were quite rare. Given that the sites were close to a huge passenger pigeon roost documented by John James Audubon in the nineteenth century and that Cahokians consumed almost every other animal protein source available, the archaeologist conducting the studies concluded the passenger pigeon population had once been very limited before increasing dramatically in post-Columbian America. Other archaeologists have criticized those conclusions on the grounds that passenger pigeon bones would not be likely to be preserved. But all the archaeological projects found plenty of bird bones--and even some tiny bones from fish. 1. The author of the passage mentions tiny bones from fish primarily in order to A. Explain why traces of passenger pigeon are rare at Cahokian sites B. Support a claim about the wide variety of animal proteins in the Cahokian diet C. Provide evidence that confirms a theory about the extinction of the passenger pigeon D. Cast doubt on the conclusion reached by the archaeologists who conducted the studies discussed in the passage E. Counter an objection to an interpretation of the data obtained from Cahokian sites 答案：C 长阅读 In 1995 the Galileo spacecraft captured data about Jupiters atmosphere--namely, the absence of most of the predicted atmospheric water--that challenged prevailing theories about Jupiters structure. The unexpectedness of this finding fits a larger pattern in which theories about planetary compos