2013年12月四级听力Dictation原文(新东方)

2013年12月14日11:30  新东方在线 微博   

  新浪教育[微博]讯 2013年12月14日全国大学英语四级考试已结束,本次考试为多题多卷,新浪外语第一时间收集整理不同版本试题,供考生参考,以下是全国大学英语四级Dictation原文:

  Section C Dictation

  Many college students today own personal computers that cost anywhere from one thousand dollars to perhaps five thousand dollars or more. In addition, it is not uncommon for them to purchase software costing another several hundred dollars. Twenty years ago, computers were available, but they were very large and extremely expensive. Few if any individuals purchase computers for home use , over the years , the price of the guts of a computer ,its memory , has declined to less than a thousand of the price per unit of memory that prevailed twenty years ago.This is the main reason Why computers cost 50 much less today than they used to. Moreover, technological improvements have made it possible to manufacture memory circuitry that is small enough to fit into the port able personal computers that many of us own and use。

  In short, as the price of computation has declined, the average consumer and business have spent more on purchasing computers . By contrast, improved agricultural technology, high breed seeds. scientific animal breeding and so on , have vastly increased the amount of output a typical farmer can produce . The prices of goods, such as meats and grins have fallen sharply relative to the prices of most other goods in services. As agricultural prices have fallen, many households have decreased their total expenses on food. Even though the quantity of a product purchased generally increases when its price falls, total expenses on it may decline。

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