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

　　7.A.on B.in C.before D.after

　　8.A.raising B.making C.reducing D.improving

　　9.A.unusual B.smallest C.average D.biggest

　　10.A.slower B.equal C.faster D.less

　　11.A.bringing B.obtain C.bought D.purchasing

　　12.A.part B.half C.number D.quality

　　13.A.clearly B.proportionally

　　C.percentage D.suddenly

　　14.A.income B.work C.plans D.debts

　　15.A.used B.spent C.cost D.needed

　　16.A.months B.years C.family D.year

　　17.A.famous B.superior C.fastest D.better

　　18.A.running B.notice C.influence D.affect

　　19.A.then B.as C.so D.which

　　20.A.to B.in C.of D.for