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  3. Americans used to stand tall as the people with the highest average height in the world. However, since the middle of this centu

Americans used to stand tall as the people with the highest average height in the world. However, since the middle of this centu

admin2010-08-04  34
问题     Americans used to stand tall as the people with the highest average height in the world. However, since the middle of this century, several Scandinavian (斯堪的那维亚的) countries have moved ahead and now have taller citizens on average than the United States.
    "One of the keys to understanding why America is falling behind other countries in terms of stature has to do with access to health care, particularly for children," said Richard Steckel, a professor of economics and anthropology at Ohio state university.
    "I suspect there are pockets of poverty in the United States where the lack of medical programs and nutritional programs may be factors in poor health, and the reason some people aren’t growing as tall as they might."
    "I think the countries that have surpassed the United States have done well in reaching nearly everyone with complete health and nutrition services."said Steckel. "The success of the Scandinavian countries in health care shows up in many measures, not just height, such as mortality rates(死亡率) and life expectancy(寿命)."
    Immigration to the United States of people with shorter average heights -- such as Asian -- can’ t explain why other countries have moved ahead in average height, according to Steckel. "In the past half century, the change in ethnic (种族的) composition hasn’t been enough to make a significant difference in the country’s average height."
    Steckel said he first began investigating height as an alternative way to measure the standard of living -- a traditional area of research for economists.
    Research has shown that average height is significantly associated with a country’s per capita (人均) income. But studying height has some advantages, Steckel said. For example, researchers have records of average height that go further back in history than do records of national income. Height also tells a slightly different story about the standard of living because it measures consumption of basic necessities, rather than output. Moreover, because growth occurs mostly in childhood, it allows researchers to look at how resources are allocated within families.
    "Studying height captures some things about the standard of living that income leaves out," Steckel said, "Economists need to take a multiple approach to studying the standard of living."
What is implied in the last paragraph?
选项 A、Studying income reveals nothing about the standard of living.
B、Height and income combined reveal more about the standard of living.
C、The standard of living cannot be truly measured.
D、Economists do not agree on what the standard of living means.
答案B
解析 推断题。该题问“文章最后一段暗示了什么?”最后一段说，“研究身高发现了‘收入法’忽视了的问题，经济学家需要采取多层面研究方法宋研究生活水平问题。”据此，我们可以推断正确答案为[D](身高和收入结合在一起可以揭示更多生活水准的问题)。
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