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  3. Our trouble lies in a simple confusion, one to which economists have been prone since the beginning of the Industrial Revolution

Our trouble lies in a simple confusion, one to which economists have been prone since the beginning of the Industrial Revolution

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问题     Our trouble lies in a simple confusion, one to which economists have been prone since the beginning of the Industrial Revolution. Growth and ecology operate by different rules. Economists tend to assume that every problem of scarcity can be solved by substitution, by replacing tuna with tilapia, without factoring in the long-term environmental implications of either. But whereas economies might expand, ecosystems do not. They change—pine gives way to oak, coyotes arrive in New England—and they reproduce themselves, but they do not increase in extent or abundance year after year. Most economists think of scarcity as a labor problem, imagining that only energy and technology place limits on production. To harvest more wood, build a better chain saw; to pump more oil, drill more wells; to get more food, invent pest-resistant plants.
    That logic thrived on new frontiers and more intensive production, and it held off the prophets of scarcity—from Thomas Robert Malthus to Paul Ehrlich—whose predictions of famine and shortage have not come to pass. The Agricultural Revolution that began in seventeenth-century England radically increased the amount of food that could be grown on an acre of land, and the same happened in the 1960s and 1970s when fertilizer and hybridized seeds arrived in India and Mexico. But the picture looks entirely different when we change the scale. Industrial society is roughly 250 years old; make the last ten thousand years e-qual to twenty-four hours, and we have been producing consumer goods and CO2 for only the last thirty-six minutes. Do the same for the past 1 million years of human evolution, and every thing from the steam engine to the search engine fits into the past twenty-one seconds. If we are not careful, hunting and gathering will look like a far more successful strategy of survival than economic growth. The latter has changed so much about the earth and human societies in so little time that it makes more sense to be cautious than triumphant.
    Although food scarcity, when it occurs, is a localized problem, other kinds of scarcity are already here. Groundwater is alarmingly low in regions all over the world, but the most immediate threat to growth is surely petroleum.
Economists are prone to______.
选项 A、emphasize the differences between economic growth and scarcity
B、ignore the human creative and productive power
C、see ecology from an economic perspective
D、use different approaches to economy and ecology
答案C
解析 题目问：经济学家们倾向于什么。根据文中第一段“Our trouble lies in a simple confusion，one to which economists have been prone since the beginning of the Industrial Revolution．Growth and ecology operate by different rules．Economists tend to assume that every problem of scarcity can be solved by substitution，by replacing tuna with tilapia，without factoring in the long-term environmental implications of either．”可知，自从工业革命以来，我们的问题就在于经济学家们易于混淆发展和生态的关系，认为这两方面是靠不同的规则来运行的。经济学家往往认为，所有的短缺问题都可以依靠替代品来解决，如用罗非鱼来替代金枪鱼，但却没有将环境这个长远的问题考虑在内。据此可知，经济学家没有将经济发展和生态环境联系起来，认为所有的短缺问题都可以依靠替代品来解决，强调了二者之间的不同，因此C项为正确答案。
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