2. 外语
  3. The primary purpose of the passage is to______ The passage suggests that, compared with Pleistocene carnivores in other areas,

The primary purpose of the passage is to______ The passage suggests that, compared with Pleistocene carnivores in other areas,

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问题 The primary purpose of the passage is to______
The passage suggests that, compared with Pleistocene carnivores in other areas, Pleistocene carnivores in the La Brea area______
选项 A、included the same species, in approximately the same proportions
B、had a similar frequency of tooth fractures
C、populated the La Brea more densely
D、consumed their preys more thoroughly
E、found it harder to obtain sufficiency prey
答案B
解析 This question asks you to recognize what is implied in the passage’s comparison of data obtained from La Brea with data obtained from other Pleistocene sites. The best answer is B. The passage says “…breakage data obtained from other Pleistocene sites were similar to the La Brea” (lines 16-17). Since there is no suggestion in the passage that this data is misleading, the implication is that the frequencies of tooth fractures (“breakage data”) in the two groups were similar. Choice A is incorrect because this issue is not addressed in the passage. There is no discussion of differences between or similarities in species found in the two areas. Choices C, D, and E can be eliminated because the passage does not suggest that carnivore populations at La Brea differed from carnivore populations at other Pleistocene sites.
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