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  3. Energy independence. It has a nice ring to it, doesn’t it? If you think so, you’re not alone, because energy independence has be

Energy independence. It has a nice ring to it, doesn’t it? If you think so, you’re not alone, because energy independence has be

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问题     Energy independence. It has a nice ring to it, doesn’t it? If you think so, you’re not alone, because energy independence has been the dream of American president for decades, and never more so than in the past few years, when the most recent oil price shock has been partly responsible for kicking off the great recession.
    "Energy independence" and its rhetorical(修辞的)companion "energy security" are, however, slippery concepts that are rarely though through. What is it we want independence from, exactly?
    Most people would probably say that they want to be independent from imported oil. But there are reasons that we buy all that old from elsewhere.
    The first reason is that we need it to keep our economy running. Yes, there is a trickle(涓涓细流)of biofuel(生物燃料)available, and more may become available, but most biofuels cause economic waste and environmental destruction.
    Second, Americans have basically decided that they don’t really want to produce all their own oil. They value the environmental quality they preserve over their oil imports from abroad. Vast areas of the United States are off-limits to oil exploration and production in the name of environmental protection. To what extent are Americans really willing to endure the environmental impacts of domestic energy production in order to cut back imports?
    Third, there are benefits to trade. It allows for economic efficiency, and when we buy things from places that have lower production costs than we do, we benefit. And although you don’t read about this much, the United States is also a large exporter of oil products, selling about 2 million barrels of petroleum products per day to about 90 countries.
    There is no question that the United States imports a great deal of energy and, in fact, relies on that steady flow to maintain its economy. When that flow is interrupted, we feel the pain in short supplies and higher prices, At the same time, we derive, massive economic benefits when we buy the most affordable energy on the world market and when we engage in energy trade around the world.
What is the author’s purpose in writing the passage?
选项 A、To justify America’s dependence on oil imports.
B、To arouse Americans’ awareness of the energy crisis.
C、To stress the importance of energy conservation.
D、To explain the increase of international oil trade.
答案A
解析 题目问作者写作意图，即问全文主旨。根据各段首句以及串联五个题干信息可得知，文章主要讨论“America”的“energy independence”，就可以直接排除BCD选项了。为做题保险，还要进一步确认。由文章末端的结尾“At the same time，we derive massive economicbenefits…when we engage in energy trade around the world．”可得知作者态度还是站在“oilimports”这一边的，因为可以得到“massive economic benefits”，所以作者还是在为“oil imports”而申辩的。答案选A。
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