自考四级听力短文听写专题

1、四级短文听写专题主讲：Alex欢迎使用对啊网络课堂2013 年 12 月第二套Many college students today own短文听写al computert costanywhere from $1,000 to perhaps %5,000 or more. (26), it isnotseveralmon for them to purchase (27)costing anotherdred dollars. Twenty years ago, computers were (28), but they were very large and extremely expe

2、nsive. Few, ifany,(29) purchased computers for home use.Over the years, the price of the “guts” of a computerits memory has declined to lessn a thousandth of the price per unit ofmemoryt prevailed twenty years ago. This is the main reason whycomputers cost so much less todayn they used to.Moreover,

3、(30) improvements have made itsible to (31)o the portablememory circuitryt is small enough to fital computerst many of us own and use.(32), as the price of compuion has declined the averageconsumer and business have spent more on purchasing computers.(33),improvedagriculturaltechnology,hybrid( 杂 交 )

4、 seeds,(34)animal breeding, and so on have vastly increasedthe amount of outpuypical farmer can produce.The priof goods such as meats and grains have fallen sharplyrelative to the priof most other goods and servi. As agriculturalprihave fallen, many households have decreased their totalexpenses on f

5、ood. Even though the (35)of a productpurchased generally increases when its price falls, total expenses on it may decline.原文:Many college students today ownal computert costanywhere from $1,000 to perhaps %5,000 or more. (26)_in addition_,itisnotmonforthemtopurchase(27)_software_costing_another seve

6、raldred dollars. Twenty yearsago, computers were (28) _available_, but they were very large andextremelyexpensive.Few,ifany,(29)_individuals_purchased computers for home use.Over the years, the price of the “guts” of a computerits memory has declined to lessn a thousandth of the price per unit ofmem

7、oryt prevailed twenty years ago. This is the main reason whycomputers cost so much less todayn they used to.Moreover, (30) _ technological _improvements have made itsibleto (31) _ manufacture _memory circuitryt is small enough to fitothe portableal computerst many of us own and use.(32)_ In short _,

8、 as the price of compuion has declined the averageconsumer and business have spent more on purchasing computers.(33)_ By contrast _,improved agricultural technology, hybrid( 杂交)seeds,(34)_ scientific _animal breeding, and so on have vastlyincreased the amount of outpuypical farmer can produce.The priof goods such as meats and grains have fallen sharplyrelative to the priof most other goods and servi. As agriculturalprihave fallen,many households have decreased their totalexp