想要知道刚刚过去的GRE考试中，GRE阅读究竟有什么题目吗?今天小编为考生分享2015年9月20号GRE阅读机经回忆之短阅读，解析稍后发布，更多GRE考试真题请关注前程百利GRE官网。
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
2. Which of the following, if true, would most call into question the reasoning of "the archaeologists conducting the studies"?
A. Audubon was unable to correctly identify twelfth-century Cahokian sites.
B. Audubon made his observations before passenger pigeon populations began to decline.
C. Passenger pigeons would have been attracted to household food trash.
D. Archaeologists have found passenger pigeon remains among food waste at eighteenth-century human settlements.
E. Passenger pigeons tended not to roost at the same sites for very many generations.
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