passage 34 外來人口導致生存競爭
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①Was resource intensification—an increase in labor and time devoted to subsistence activities in order to increase food yields—by Dorset Paleo-Eskimos and Recent Indians on the island of Newfoundland simply a response to population pressure? ②Not exactly. ③On Newfoundland, population pressure did not result from a steadily growing resident population but, rather, from the arrival and lingering presence of new and significantly different populations. ④Newfoundland’s hunter-gatherer populations—both resident and newcomer—adjusted to the presence of other populations through niche differentiation. ⑤Building on a tradition that emphasized marine resources, Dorset Paleo-Eskimos intensified their harvest of seals in response to the arrival of Recent Indians in the first few centuries A.D. ⑥Recent Indians who were more familiar with broad-based, interior-maritime adaptation, intensified this strategy to cope with the Dorset.?
① + ② 作者觀點
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? ? ③
? ? ?↓
? ? ④
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⑤ + ⑥?
1. According to the passage, which of the following resulted from the arrival of the Recent Indians?
B
A. The Dorset Paleo-Eskimos were forced to compete with the Recent Indians for a limited supply?of seals. 沒有證據(jù)
B. The Dorset Paleo-Eskimos spent more time harvesting seals than they had in the past.?對應intensify
C. The Dorset Paleo-Eskimos increased the amount of labor and time devoted to defending their territory. 沒有證據(jù)
D. The Dorset Paleo-Eskimos began to adopt new subsistence strategies they learned from?the Recent Indians. 沒有證據(jù)
E. The previously steady growth of the Dorset Paleo-Eskimo population came to a halt. 沒有證據(jù)
?
2. Which of the following best describes the function of the highlighted sentence in the context of the passage as a whole? 現(xiàn)象解釋類文章
D
A. It points out a flaw in a theory discussed earlier in the passage.沒有證據(jù)/相反
B. It demonstrates the need for additional research?on a phenomenon mentioned earlier in the passage.沒有證據(jù)
C. It underscores the importance of a trait?mentioned earlier in the passage. 沒有證據(jù)
D. It supports an assertion made earlier in the passage.
E. It questions the evidence for a tradition mentioned earlier in the passage. 沒有證據(jù)/相反