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  3. Despite hypotheses ranging from armed conflict to climate change, the abandonmen

Despite hypotheses ranging from armed conflict to climate change, the abandonmen

游客2024-01-11  29
问题 Despite hypotheses ranging from armed conflict to climate change, the abandonment of more than 600 Pueblo cliff dwellings in Mesa Verde by a.d. 1300 still puzzles archaeologists. Researchers analyzing refuse from one Pueblo community found remains of maize—a Pueblo crop—in 44 percent of samples from years when the community flourished, but in only 10 percent of samples from years near the time of depopulation, while the remains of wild plants increased significantly.
Bones found in the samples showed that the consumption of domesticated turkeys—which were fed maize—decreased from 55 to 14 percent, while there was a marked increase in wild-animal bones. These data suggest that near the end of the site’s occupation, villagers experienced substantial food shortages and adopted hunting-and-gathering strategies to compensate for crop failure. [br] According to the passage, which of the following is likely true regarding the consumption of wild plants in the Pueblo community investigated by researchers?
选项 A、It decreased dramatically as the settlement began to decline.
B、It significantly affected the food supply of wild animals living nearby.
C、It increased as domesticated sources of food declined.
D、It represented a continuation of centuries-old traditions.
E、It fell markedly as the consumption of wild animals increased.
答案 C
解析 The passage presents four developments that accompanied the decline of one Pueblo community: consumption of maize and domesticated turkeys fell, while that of wild plants and wild animals increased. This summary shows that answer Choices A and E are incorrect, since both refer to a drop in the consumption of wild plants. Since the passage says nothing about whether the consumption of wild plants affected nearby wildlife nor about whether it was a long-standing tradition, Choices B and D are incorrect. Choice C is correct, however: consumption of wild plants rose as that of maize and domesticated turkeys fell.
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