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GRE阅读题目解析:旅鸽灭绝

我爱台鸽网 2021-10-18 00:42 我爱台鸽网 66
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  Although the 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 archaeologists 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 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. Archaeologist 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

  1

  Although the 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.

  尽管现在已经绝迹的旅鸽,在十八和十九世纪的美洲曾相当繁盛,但现在美国进行的关于十二世纪 C 遗址的研究,检查了家庭食物残渣,发现旅鸽的痕迹相当罕见。

  (

  旅鸽 [passenger pigeon]

  鸠鸽科鸽亚科已灭绝的鸽,学名Ectopistes migratorius。体长约32厘米,尾长而尖,雄鸟体呈淡粉红色,头蓝灰色。19世纪初有数十亿只旅鸽栖息于北美东部,迁徙鸟可遮天蔽日达数天之久。猎人开始大量屠杀旅鸽,还用火车把它们运到城市里的肉品市场销售。最后一只叫“马莎”的旅鸽在1914年死于辛辛那提动物园。旅鸽的灭绝是猎禽销售终止的主要原因,成为保护运动的主要推动力。

  (大英袖珍百科)

  PS:信鸽叫 homing pigeon,而且也没灭绝

  )

  2

  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 archaeologists conducting the studies concluded the passenger pigeon population had once been very limited before increasing dramatically in post-Columbian America.

  鉴于这些遗址,离十九世纪的 J J A 记录的一块巨大的旅鸽栖息地很近,而且 C 人吃其他能找到的几乎所有动物蛋白质,主持研究的考古学家得出结论认为,旅鸽种群数量,在后哥伦布时代的美洲爆发性增长之前,曾一度非常有限。

  3

  Other archaeologists have criticized those conclusions on the grounds that passenger pigeon bones would not be likely to be preserved.

  其他考古学家不同意这些结论,根据是(他们认为)旅鸽的骨头不大可能保存下来。

  4

  But all the archaeological projects found plenty of bird bones- and even tiny bones from fish.

  但所有的考古项目都发现过大量鸟骨,以及甚至是鱼的小刺。

  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

  选 E

  做这题需要理清整个文段的逻辑。

  美国有几个考古学家发掘研究一处十二世纪 C 人遗址,在厨余残渣中,没发现什么旅鸽骨头,这是一种十八-十九世纪非常多的鸟。

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