GWD-05-Q19实在看不懂讨论稿

Outsider1988

Historian:In the Drindian Empire, censuses were conducted annually to determine the population of each village.Village census records for the last half of the 1600’s are remarkably complete.This very completeness makes one point stand out; in five different years, villages overwhelmingly reported significant population declines.Tellingly, each of those five years immediately followed an increase in a certain Drindian tax.This tax, which was assessed on villages, was computed by the central government using the annual census figures.Obviously, whenever the tax went up, villages had an especially powerful economic incentive to minimize the number of people they recorded; and concealing the size of a village’s population from government census takers would have been easy.Therefore, it is reasonable to think that the reported declines did not happen.



In the historian’s argument, the two portions in boldface play which of the following roles?



A.The first supplies a context for the historian’s argument; the second acknowledges a consideration that has been used to argue against the position the historian seeks to establish.

B.The first presents evidence to support the position that the historian seeks to establish; the second acknowledges a consideration that has been used to argue against that position.

C.The first provides a context for certain evidence that supports the position that the historian seeks to establish; the second is that position.

D.The first is a position for which the historian argues; the second is an assumption that serves as the basis of that argument.

E.The first is an assumption that the historian explicitly makes in arguing for a certain position; the second acknowledges a consideration that calls that assumption into question



答案是C
知道第二个BF是position,就是不明白为啥第一个BF支持第二个
不是第一个的completeness说明了reported significant population declines， 第二个推出了the reported declines did not happen.
这不是相驳吗

求解释
。。。

haonan15110

第一个BF是一个总前提（context），因为统计是complete，所以我们才会对统计的结果进行分析。如果统计不完整，那么我们分析这个统计就没有意义了。下面第一个BF和第二个BF之间的内容是分析及推理过程。第一个BF并不是支持第二个，而是一个大前提

Outsider1988

第一个BF是一个总前提（context），因为统计是complete，所以我们才会对统计的结果进行分析。如果统计不完整，那么我们分析这个统计就没有意义了。下面第一个BF和第二个BF之间的内容是分析及推理过程。第一个BF并不是支持第二个，而是一个大前提

-- by 会员 haonan15110 (2010/7/24 10:51:08)

懂了懂了
原来是这样
谢谢啦