【TodaythecaristhemostpopularsortoftransportationinalloftheUnitedStates.Ithascompletely1thehorseasa2ofeverydaytransportation.Americansusetheircarfor390%ofall4business.MostAmericansareableto5cars.Theaverag】

　　TodaythecaristhemostpopularsortoftransportationinalloftheUnitedStates.Ithascompletely1thehorseasa2ofeverydaytransportation.Americansusetheircarfor390%ofall4business.MostAmericansareableto5cars.Theaveragepriceofa6madecarwas,050in1950,,470in1960andupto,75071975.DuringthisperiodAmericancarmanufacturerssetabout8theirproductsandworkefficiency.Asaresult,theyearlyincomeofthe9familyincreasedfrom1950to197510thanthepriceofcars.Forthisreason11anewcartakesasmaller12ofafamilystotalearningstoday.In195113ittook8.1monthsofanaveragefamilys14tobuyanewcar.In1962anewcar158.3ofafamilysannualearnings,by1975itonlytook4.7516income.Inaddition,the1975carsweretechnically17tomodelsfrompreviousyears.The18ofautomobileextendsthroughouttheeconomy19thecarissoimportanttoAmerican.Americansspendmoremoney20keepingtheircarsrunningthanonanyotheritem.

　　1.A.deniedB.reproducedC.replacedD.ridiculed

　　2.A.meansB.meanC.typesD.kinds

　　3.A.hardlyB.nearlyC.certainlyD.somehow

　　4.A.personalB.personnelC.manualD.artificial

　　5.A.buyB.sellC.raceD.see

　　6.A.quicklyB.regularlyC.rapidlyD.recently

　　7.A.onB.inC.beforeD.after

　　8.A.raisingB.makingC.reducingD.improving

　　9.A.unusualB.smallestC.averageD.biggest

　　10.A.slowerB.equalC.fasterD.less

　　11.A.bringingB.obtainC.boughtD.purchasing

　　12.A.partB.halfC.numberD.quality

　　13.A.clearlyB.proportionallyC.percentageD.suddenly

　　14.A.incomeB.workC.plansD.debts

　　15.A.usedB.spentC.costD.needed

　　16.A.monthsB.yearsC.familyD.year

　　17.A.famousB.superiorC.fastestD.better

　　18.A.runningB.noticeC.influenceD.affect

　　19.A.thenB.asC.soD.which

　　20.A.toB.inC.ofD.for