高考综合复习:数词与介词数词考点透析hundred,thousand,million,billion表示确切的数目时;不能加s,如:twohundredstudents,如果表示不确切的数目,则在后加s,并与of连用。如:hundredsofteachers,thousandsoffarmers,millionsofstars。scoresof与dozensof都表示概数,意为“数十,许多”,ascoreeggs(二十个鸡蛋)、adozeneggs(十二个/一打鸡蛋)都是成立的,但可以说ascoreofeggs,不能说adozenofeggs。年代的表示法有两种:二十世纪八十年代可写成inthe1980s或inthe1980s'。“基数词+名词”构成的定语,其中的名词用单数。如:athree—monthbaby,an800—wordcomposition序数词前如有the,表顺序。如:theSecondWorldWar,thefirstquestion如果序数词前有不定冠词a,则表示“再,又”。如:I'vefailedsixtimes,butIdecidedtohaveaseventhtry.常见的含数词的短语:intwosandthrees三三两两oneortwodays没几天;一二天firstofall首先secondtonone首屈一指,不亚于任何人onebyone一个一个地tentoone十之八九oneinten十分之一fiftyfifty对半数词强化训练选择题1.Americanseat______vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethantwiceasmany2.Inthatyearthegreatwomanreceived______secondNoblePrize______physics.A.a,forB.a,inC.the,onD.the,for3.Thereare______thesebooksand______pencilsinthissmallshop.A.adozen,scoresofB.scores,adozenofC.scoresof,adozenD.twodozens,ascore用心爱心专心4.Greatchangeshavetakenplace______.A.inthe1990'sB.in1990'sC.onthe1990sD.on19905.Believeitornot,mygrandmabegantolearncomputer______.A.atherseventeenB.inherseventiesC.inherseventiethD.atherseventies6.Aboutthree______tookpartinthedemonstrationagainstthewaronIraq.A.thousandpeopleB.thousandspeopleC.thousandsofpeopleD.thousandspeoples7.Itisreportedthatonly______oftheAmericanpeoplethinkthatthewarisgoingonsuccessfully.A.three—tenthsB.third—tenthC.three—tenthD.three—tens8.Thericeproductionhasincreasedby______percentthisyear.A.fivepointeightsixB.five—point—eight—sixC.fivepointeightsixthD.fivepointseightsixth9.—HowmanypresidentsbeforeAbrahamLincoln?—______,sohewas______president.A.Fifteen,thesixteenthB.Fifteen,sixteenthC.Fifteen,sixteenD.Fifteenth,thesixteen10.Itwilltakeme______timetofinishthecourse.A.oneandahalfyearsB.ayearandflhalfC.oneandflhalfyears'D.oneandahalfyear's11.IstheYellowRiver______riverinChina?A.asecondlargeB.thesecondlargestC.thesecondlargeD.asecondlargest12.______ofthetextareratherdifficultforusbeginners.A.ThefirstthreepartsB.FirstthreepartC.Theone—thirdpartD.Thethirdfirstpart13.—Howlongwillyoustaythere?—For______.A.oneandtwodaysB.oneandtwodayC.oneortwodayD.adayortwo用心爱心专心14.Manyscientistsbelievethatoilwasformedintheearth______yearsago.A.millionB.millionsofC.millionsD.millionof15.—WhatcanIdoforyou?—I'dliketotake______thesetomatoes.A.twodozenofB.twodozenC.twodozensD.twodozensof16.Thefounda______cavenearthemountain.A.three-metres-deepB.threemetresdeepC.three-metre-deepD.threemetredeep17.Helivedin______on______floor.A.the506room,thefifthB.Room506,thefifthC.aRoom506,afifthD.Room506,flfifth18.______whowilltakepartinthebeautycompetitionareuniversitystudents.A.TwentypercentofthegirlsB.TwentypercentsofgirlsC.TwentiethpercentofthegirlsD.Twentypercentgirls19.Jack'ssalaryis3,000dollarsamonth,whichis______John's.A.twotimesmorethanB.twicemoreC.twicetheamountofD.twiceasmuchthan20.Theclasswasover.Thestudentswentoutoftheclassroomby______.A.twoorthreeB.twosandthreesC.threeortwoD.twosorthrees用心爱心专心