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  3. Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Was

Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Was

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问题     Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Washington area. They’re reducing his wealth, too.
    House prices in his rural subdivision beyond the Blue Ridge Mountains in Charles Town, West Virginia, have plunged as commuting expenses have soared. A four-bedroom home down the street from his is listed for $239,000, after selling new for $360,000 five years ago.
    Homeowners in the exurbs aren’t the only ones whose assets have taken a hit because of the surge in energy costs. Companies such as General Motors Corp. are writing off billions of dollars in plants and equipment that are no longer viable in an age of dearer oil. The destruction of wealth and capital will weigh on U.S. growth for years to come.
    "Our whole economy reflects the relative costs of energy: the cars we drive, the houses we occupy, the kinds of factories we have and the equipment in them," says Dana Johnson, chief economist at Comerica Bank in Dallas. "I’m expecting relatively large changes in all of these things."
    The loss of wealth could be a double whammy for the U.S. economy. In the short run, it depresses demand as homeowners save more and spend less, and companies fire workers. Longer run, it curbs productivity growth, as firms shift their focus from increasing worker efficiency to reducing energy costs.
    "At $4 per gallon gas, $125 per barrel oil and $10 per million Btu natural gas, a lot of activity becomes uneconomical," says Mark Zandi, chief economist at Moody’s Economy.com in West Chester, Pennsylvania.
    The lifestyle of the exurban commuter may be one casualty.
    Emerging suburbs and exurbs—commuter towns that lie beyond cities and their traditional suburbs—grew about 15 percent from 2000 to 2006, nearly three times as fast as the U.S. population, as Americans moved further out in search of more affordable houses or the bigger ones that are sometimes derided as McMansions.
    "It was drive until you qualify for a mortgage," says Robert Lang, director of the Metropolitan Institute at Virginia Tech in Alexandria, Virginia. "You can’t do that anymore. Your cost of transportation will spike too much."
"Exurbs" most probably refers to
选项 A、regions situated farther away from city than suburbs.
B、rural areas where residents have to commute to work.
C、suburbs with high-end facilities.
D、intelligent residential districts.
答案A
解析 原文倒数第2段中的破折号内的内容是exurbs的定义，A是这个内容的近义改写，为本题答案。B最具干扰性，其中的rural一词在第2段第1句提及，关于commute(通勤)的内容在第2段、倒数第2段都有提及，但根据倒数第2段对exurbs的定义可以知道rural和commute都不是exurbs的重点特征。
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