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.
According to the passage, which of the following is true of the average rate at which real GDP per capita grew in the twenty-four years immediately before 1997?
It was less than it had been between 1873 and 1973 because only forty percent of the population worked for wages between 1873 and 1973.
It was less than it had been between 1873 and 1973 because labor productivity grew less between 1973 and 1997 than it had between 1873 and 1973.
It was less than it had been between 1873 and 1973 as a result of an increase in the percentage of the population earning wages during these years.
It was less than the average rate at which real GDP per capita grew between 1873 and 1973.
It was less than the rate at which real GDP per capita grew in 1997.
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正确答案是 D。
根据文章,1997年之前的24年里,实际GDP人均增长比1873年至1973年间的平均水平要低近一半%。由于1973年至1997年之间劳动生产率只增长1%,因此1997年的实际GDP人均增长低于1873年至1973年的平均水平。因此,选项D:它低于1873年至1973年间实际 GDP 人均增长的平均速度,是正确答案。
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.
B选项两个错误点:1.文中原句指出1873-1973年间average的值,不是每年的值;2.原文中提及的原因是1997和(1873 and 1973)的对比,而不是1997年之前和(1873 and 1973)的对比。
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