菜鸟求助

triplesd · 发表于 2013-2-13 20:12:22

求那位大侠解释下这个题目的逻辑错误，我看了提纲但非常的不明白怎么个入手。特别是逻辑错误2和4，正么看都觉得写出来的差不多。3. The following appeared in a memorandum issued by a large city’s council on the arts.
“In a recent citywide poll, fifteen percent more residents said that they watch television programs
about the visual arts than was the case in a poll conducted five years ago.
During these past five years, the number of people visiting our city’s art museums has increased by a similar percentage.
Since the corporate funding that supports public television, where most of the visual arts programs appear,
is now being threatened with severe cuts, we can expect that attendance at our city’s art museums will also start to decrease.
Thus some of the city’s funds for supporting the arts should be reallocated to public television.”

1The survey is doubtful: until detailed information has been given.
2causal oversimplification: It is groundless to say the attendance of the art museums increased because people watched more visual art programs during the past five years only because the latter occurred coincidently with the former.
3all things are equal
4gratuitous assumption: The author’s argument is based on a gratuitous assumption that the fund of the visual should not be reduced because the attendance of the art museums will decline.

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