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　　Today the car is the most popular sort of transportation in all of the United States.

　　It has completely __1__ the horse as a __2__ of everyday transportation.

　　Americans use their car for __3__ 90% of all __4__ business.

　　Most Americans are able to __5__ cars.

　　The average price of a __6__ made car was ,050 in 1950, ,470 in 1960 and up to ,750 __7__ 1975.

　　During this period American car manufacturers set about __8__ their products and work efficiency.

　　As aresult, the yearly income of the __9__ family increased from 1950 to 1975 __10__ than the price of cars.

　　For this reason __11__ a new car takes a smaller __12__ of a familys total earnings today.

　　In 1951 __13__ it took 8.1 months of an average familys __14__ to buy a new car.

　　In 1962 a new car __15__ 8.3 of a familys annual earnings, by 1975 it only took 4.75 __16__ income.

　　In addition, the 1975 cars were technically __17__ to models from previous years.

　　The __18__ of automobile extends throughout the economy __19__ the car is so important to American.

　　Americans spend more money __20__ keeping their cars running than on any other item.

　　1.A.denied B.reproduced C.replaced D.ridiculed

　　2.A.means B.mean C.types D.kinds

　　3.A.hardly B.nearly C.certainly D.somehow

　　4.A.personal B.personnel C.manual D.artificial

　　5.A.buy B.sell C.race D.see

　　6.A.quickly B.regularly C.rapidly D.recently