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请教各位Prep 2012 -35 题
Perkins: According to an article I read, the woolly mammoth‘sextinction in North America coincided with a migration of humans onto thecontinent 12,000 years ago, and stone spearheads from this period indicate thatthese people were hunters. But the author's contention that being hunted byhumans contributed to the woolly mammoth ‘s extinction is surely wrong since,as paleontologists know, no spearheads have ever been found among the manymammoth bones that have been unearthed. (Prep 12 – 35) Which of the following, iftrue, provides the strongest reason for discounting the evidence Perkins citesin arguing against the contention that being hunted by humans contributed tothe North American extinction of woolly mammoths? A. At sites where mammothbones dating from 12,000 years ago have been unearthed, bones of other mammalshave rarely been found. B. The stone from whichstone spearheads were made is unlikely to have disintegrated over the course of12,000 years. C. Conditions in NorthAmerica 12,000 years ago were such that humans could not have survived there ona diet that did not include substantial amounts of meat. D. Cave paintings in NorthAmerica that date from 12,000 years ago depict woolly mammoths as well as avariety of other animals, including deer and buffalo. E. Because of the greateffort that would have been required to produce each stone spearhead, hunterswould have been to leave them behind.
正选为E. 自己在做题时以reverse logic的理由排除. 后来看到有版本指出E的后半部分应该为"hunters would have been UNLIKELY to leave them behind." 也有资源（LG）感觉在强行解说, 说没有unlikely的E选项正确，意味着“因为做石矛头很费事，猎人会留下它们；说明猎人在杀猛犸后会把矛头回收再用，即猎人会导致猛犸灭绝，削弱结论，正确”
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发表于 2016-11-19 12:58:45
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发表于 2016-11-21 17:13:14