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  3. The United States Interstate Highway System is an infrastructure feat of unprecedented proportions. Not only does it join all fi

The United States Interstate Highway System is an infrastructure feat of unprecedented proportions. Not only does it join all fi

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问题     The United States Interstate Highway System is an infrastructure feat of unprecedented proportions. Not only does it join all fifty states in the union together allowing for rapid transport of goods and people, but it also has legitimate claim to the title of the largest public works program in history. The project was motivated by both military and economic goals. Interest in the project existed since the early 1940’s, but was delayed by the outbreak of World War II, followed by the postwar recovery. Although approved by Congress in 1944, the building did not actually begin until 1956.
    The postwar prosperity in America accentuated the need for such a massive infrastructure project. After America’s success in World War II and recovery of its economy from the Great Depression, the population’s disposable income soared, allowing most families to purchase automobiles, previously thought of as luxury items. With the sudden boom of cars, a more efficient road on which to travel was desperately needed, and the interstate highway system provided that, allowing travelers to safely and reliably visit other states or destinations closer to home.
    The same surge in car ownership that created the need for the interstate highway system also provided the means by which to pay for the project. A new tax on gasoline provided 90 percent of the funding for the project, and state taxes covered the remaining 10 percent. With the new highway system in place, not only could travelers visit previously unfeasible destinations on their holidays and vacations, but businesses could transport their products to markets in other states, increasing competition across the country, to the benefit of consumers and product quality alike.
    The military had a keen eye on the system as well. Troop transport was now possible to all corners of America in a rapid and efficient manner, and the long stretches of straight highways instantly provided runways for military aircraft in times of emergency. The country, linked together by a network of roads that greatly reduced travel time, could now more efficiently be defended.
    In the last forty years alone, 17 trillion miles have been traveled on the US Interstate Highway System. Those miles can be equated to three trips around the world for every American, a trip to the moon for 75 million people, or three light years in space. No matter what figure is used, the numbers are stunning. The interstate highway has gotten and continues to get people where they need to go in America, and at a fraction of the time it would otherwise take.
The distance traveled on the US Interstate Highway System since its building is expressed in a variety of different measurements so as to______.
选项 A、stress the effects of the interstate highway system that continue to this day
B、highlight the incredible distances that have been traveled on the interstate highway system
C、state the distances traveled on the interstate highway system in more comparable terms
D、make a final statement attesting to the greatness of the interstate highway system
答案B
解析 属信息推断题。有关道路使用情况的不同数据的描述在最后一段。本段第三句是对这些数据的总结：无论用什么样的形式来表达这个数字，它都是那么惊人的一个数目。由此可知，选项B正确(突出令人难以置信的路程)。选项A与本段中第一句内容不符(时间是在过去的40年间，没有涉及目前)；选项C不是真正的目的；选项D(attesting意为“证明”)与原文内容不符(这些数据不是最终和最重要的证明)。
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