Citing the fact that the real gross domestic product (GDP) per capita was higher in 1997 than ever before, some journalists have argued that the United States economy performed ideally in 1997. However, the real GDP is almost always higher than ever before; it falls only during recessions. One point these journalists overlooked is that in 1997, as in the twenty-four years immediately preceding it, the real GDP per capita grew nearly one-half percent a year more slowly than it had on average between 1873 and 1973. Were the 1997 economy as robust as claimed, the growth rate of real GDP per capita in 1997 would have surpassed the average growth rate of real GDP per capita between 1873 and 1973 because over fifty percent of the population worked for wages in 1997 whereas only forty percent worked for wages between 1873 and 1973. If the growth rate of labor productivity (output per hour of goods and services) in 1997 had equaled its average growth rate between 1873 and 1973 of more than two percent, then, given the proportionately larger workforce that existed in 1997, real GDP per capita in 1997 would have been higher than it actually was, since output is a major factor in GDP. However, because labor productivity grew by only one percent in 1997, real GDP per capita grew more slowly in 1997 than it had on average between 1873 and 1973.
The author of the passage asserts that "the real GDP is almost always higher than ever before" (see highlighted text) most probably in order to
show that a fact cited in support of a claim is inaccurate
show that a fact cited in support of a claim actually contradicts the claim
show that a fact cited in support of a claim does not prove the claim
explain why a fact cited in support of a claim is relevant to the claim
explain how the proponent of a claim selected a fact cited in support of the claim
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正确答案是 C。这里的文字强调的是 GDP 基本上总是比以前更高,但通常不能用来证明美国经济在 1997 年发展得特别理想,因此 C 选项正确说明了这一点。
原句:However, the real GDP is almost always higher than ever before
however 前的argument 就是 claim,
however 表示转折,之后的句子 虽然是个fact但是并没有support claim
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