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三、例题讲解

 

(一)各种题型具体解题思路与分析

1.细节题

Although the United States covers so much land and the land produces far more food than the present population needs, its people are by now almost entirely an urban society. Less than a tenth of the people are engaged in agriculture and forestry, and most of the rest live in or around towns, small and large. Here the traditional picture is changing: every small town may still be very like other small towns, and the typical small town may represent a widely accepted view of the country, but most Americans do not live in small towns any more. Half the population now lives in some thirty metropolitan areas (large cities with their suburbs) of more than a million people — a larger proportion in Germany or England, let alone France. The statistics of urban and rural population should be treated with caution because so many people who live in areas classified as rural travel by car to work in a nearby town each day. As the rush to live out of town continues, rural areas within reach of towns are gradually filled with houses, so that it is hard to say at what moment a piece of country becomes a suburb. But more and more the typical American lives in a metropolitan rather than a small town environment.

 

36. If now America has 250 million people, how many of them are engaged in agriculture and forestry?

A. About 25 million. B. More than 25 million.

C. Less than 25 million. D. Less than 225 million.

【题解】此题为细节题中计算类，往往需要进行简单的计算。首先分析题干，抓住题干中的关键句 “if now America has 250 million”这个条件限定，同时题干中的how many是对“数字”的提问，这个时候一定要抓住问题是对什么数字的提问，很明显，在这个题中就是对问题中的“are engaged in agriculture and forestry”的人的数量提问。回到原文去寻找相关的词句，原文的第二句话就是此题的出处。原句给出了一个数据“less than a tenth of 少于十分之一的”，根据这个数据，我们很容易的就可以结合题干中的条件，就可以算出如果美国人口是2.5亿，那么农业和林业的从业人员为其十分之一不到，即少于2500万，所以正确答案为C选项。

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