Which of the following is the main point of Karens reply to David?
Although it would be desirable to preserve all endangered species, doing so is not economically feasible.
Even if the value to humanity of a given species is known, that value should not be a factor in any decision on whether to expend effort to preserve that species.
Species whose contributions to humanity are direct should have a higher priority for preservation efforts than species whose contributions to humanity are only indirect.
Since the methods for deciding which species have the most value to humanity are imperfect, informed decisions cannot be made on the basis of the assessment of such value.
The preservation of endangered species whose value to humanity can be reliably predicted is more important than the preservation of species whose value for humanity is unpredictable.
10. Roger: Reading a lot as a child causes
nearsightedness-difficulty seeing things at a distance.
Louise: I disagree. Any correlation between near-sightedness and reading results from the fact that children who have trouble seeing things at a distance are likeliest to prefer those activities, such as reading, that involve looking at things close up.
Louise disputes Rogers claim by
demonstrating that an absurd conclusion would follow if Rogers claim were accepted
【GRE阅读逻辑练习题目(10)】相关文章:
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