In the 18th century New York was smaller than Philadelphia and Boston. Today

游客2023-10-05  25

问题     In the 18th century New York was smaller than Philadelphia and Boston. Today it is the largest city in America. How can the change in its size and importance be explained?
    To answer this question we must consider certain facts about geography, history and economics. Together these three will explain the huge growth of America’s most famous city.
    The map of the Northeast shows that four of the most heavily populated areas in this region are around seaports. At these points materials from across the sea enter the United States, and the product of the land are sent there for export across the sea.
    Economists know that places where transportation lines meet are good places for making raw materials into finished goods. That is why seaports often have cities nearby. But cities like New York needed more than their geographical location in order to become great industrial centers. Their development did not happen simply by chance. [br] The seaports have cities nearby because______.

选项 A、people like to live nearby seaports
B、industries should be built around seaports
C、industries are often built where transportation lines meet
D、transportation lines meet around seaports

答案 C

解析 细节推断题。由线索词seaports have cities nearby定位到原文最后一段第二句。由That is why可知,上文提到的就是海港附近建城市的原因。文中提到,经济学家都知道,在交通干线交汇的地方通常是将原材料加工生产为成品的好地方,这也解释了海港地区城市多的原因,因此本题答案为C)。
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