In the 18th century New York was smaller than Philadelphia and Boston. Today it is the largest city in America. How can the chan

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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.
In the following paragraphs the passage will talk about______.

选项 A、geographical factors for the development of a city
B、factors for New York’s becoming the largest city of America
C、economic and historic factors for the development of a city
D、distribution of large cities in America

答案C

解析 综合推断题。本题考查文章接下来可能会谈论的内容,这需要对全文进行整体把握。文章开头提到纽约由小城市变成美国最大城市的例子,意在说明城市的发展有地理、历史及经济方面的原因,但本文只说明了地理方面的因素对城市发展的影响,最后提出地理因素并不是唯一的因素,还有很多其他的因素,因此判断接下来文章应该会讲历史及经济方面的因素。
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