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1语法复习十六：数词高考重点要求：1．掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。2．掌握不定数量词、约数词的表达方法。数词在各个题项中，单选、阅读、听力、写作中发挥着很强的作用，往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词，而其他数字表示法如分数，小数等均由这两大部分的不同组合而构成。（一）基数词：表示数目的词为基数词，它的构成如下表：（二）序数词：表示顺序的数词为序数词，它的构成如下表：（三）数词的用法：1.英语中年月日、点钟、序数词、分数词、算式列表示例英语表示法2001．6．30June30,200130June,200130thJune,20017：25seventwenty-fivetwenty-fivepasteven12:54twelvefiftyfoursixtoone9:15ninefifteenaquarterpastnine2:30twothirtyhalfpasttwo21:50twenty-onefifty9:50p.m.第21twenty-first第123onehundredandtwenty-third21ahalf522twoandtwo-fifths20%20percent20percent第七路公共汽车BusNumberSeven第201房间Room201人民路153号153RenminRoad4+8=12Fourpluseightistwelve11-7=4Elevenminussevenisfour.6×5=30Sixtimesfiveisthirty.范围特点实例1~12无规律one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve13~19以teen为结尾thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen20~90以ty结尾twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety21~99十位与个位之间要加连字符“-”twenty-five,sixty-five,ninety-nine101~999百位与十位之间通常用andthreehundredandtwenty-five（美语中常将and省略）千以上6275—sixthousandtwohundredandseventy-five；1200—twelvehundred220÷5=4twentydividedbyfiveisfour.A＞BAismorethanB.A＜BAislessthanB.A≈BAisapproximately(近似地,大约)equalstoB.A≠BAisnotequaltoB.2.约数表示法列表含义英语表达例句大于某数morethanHehaslivedhereformorethantwentyyears.oversheisoverfifty.ormoreThere'rethirtypeopleormoreinthemeeting-room.小于某数lessthanIhavelessthan(notmorethan)fiftydollars.underChildrenundersevenarenotallowedtoenter.belowHewouldnotsellitforbelowahundredfiftydollars.orlessThecoatmightcosthimsixtydollarsorless.大约（某数）nearlySheisnearlyfiftynow.almostItsalmostthreeo'clock.uptoUptotenmencansleepinthistent.orHespentfourorfivedayswritingthearticle.orsoThedistanceistwentymilesorso.aboutIvisitedthatvillageaboutthreeyearsago.someTheirteamhassomefourorfiveplayers.moreorlessThecontainercanholdmoreorlesstwentypoundsofwater.around/roundLet'smakeitround/aroundeighto'clock.3.不定数量词“多”的表示法列表被修饰名词的数英语表达汉译修饰可数名词dozensof几十、许多scoresof许多many,agood(great)many,manya(饰单数可数名词)许多、大量hundredsof数以百计thousandsof,thousandsuponthousandsof成千上万millionsof数百万billionsof亿万修饰不可数名词much,agreat(good)dealof,alargeamountof,largeamountsof许多、大量修饰可数名词或不可数名词alotof/lotsof,plentyof,alargequantityof,largequantitiesof许多、大量3练习、数词1.Two__diedofcoldlastwinter.A.hundredsoldpeopleB.hundredoldpeopleC.hundredsoldpeoplesD.hundredoldpeoples2.Hewasonlyin__atthetime.A.his20'sB.the20'sC.histwentiesD.thetwenties3.Thetwogreatmenwrotethoselettersin__.A.1870'sB.1879sC.the1870'sD.the18704.IwonderifIcanaskhim__time.A.fourB.fourthC.thefourthD.afourth5.Hecameout__inthetrackevents.A.firstB.oneC.thefirstD.theone6.Itwasin1939that__brokeout.A.WorldWarSecondB.theWorldWarSecondC.SecondWorldWarD.WorldWarII7.You'llhavetospend__writingyourreporthere.A.onedayortwodaysB.onedayortwoC.adayortwoD.twodaysorone8.Hecutthecake__.A.inhalvesB.inhalfC.intohalvesD.intohalf9.Theearthisnearly__themoon.A.50timethesizeofB.50timesthesizeofC.50timesassizeasD.50timesasthatof10.Eitheryouortheheadmaster__theprizesforthesegiftedstudentsatthemeeting.A.ishandinginB.aretohandoutC.arehandinginD.istohandout11.__ofthepopulationherearepeasants.A.20percentsB.20percentC.the20percentD.the20percents12.It'sabout__,thethicknessofahumanhair.A.two-fifteenthB.two-fifteenthsC.twofifteenD.twofifteens13.Thepriceofsuchmaterialwasreduced__.A.by18percentB.to18percentC.at18percentD.for18percent14.Southoftheequator,81percentofthesurfaceoftheearth__water.A.isB.areC.wasD.were15.Theysold__boxesofsuchsweetslastweek.A.fourdozenB.fourdozensC.fourdozensofD.fourdozenof16.Ittookme__daystofinishdrawingabeautifulhorse.A.ahalfdozenB.halfadozenC.haftdozensD.halfdozen17.__peopleweresenttheretohelpfightagainsttheflood.A.ThreescoresofB.ThreescoreofC.ThreescoreD.Threescores418.Don'tleaveyouwork,__.A.donehalfB.halfdoneC.ahalfdoneD.doneahalf19.Nobodycandotwothingswell__.A.atonetimeB.atonceC.onetimeD.once20.Hehas__booksinhisstudy.A.severalthousandsB.somethousandsofC.somethousandsD.somethousandof21.OnNationalday__peopletakepartinallkindsofcelebration.A.hundredsofmillionsofB.millionsofhundredofC.hundredsmillionsofD.millionshundredsof22.Hehaslivedat__for30years.A.No.101HepingStreetB.101HepingStreetC.HepingStreet101D.HepingstreetNo.10123.Youcanfindhimin__.A.Room201B.201RoomC.theRoom20D.the201Room24.It's__walkfromheretomyschool.A.two-hoursB.twohoursC.two-hourD.atwo-hour25.Itwasin__whenhewasalreadyin___thathewenttoYan'an.A.the1940s,the40sB.the1940s,hisfortiesC.1940's,hisfortiesD.the1940's,his40s26.Hewenttothemarketandbought__eggsandsomemeat.A.threedozenofB.threedozenC.threedozensD.threedozensof27.Shortlyaftertheaccidenttwo___policeweresenttothespottokeeporder.A.dozenofB.dozensC.dozenD.dozensof(MET9229)28.MrSmith___metobuyseveral__eggsforthedinner.A.asked,dozenB.suggested,dozensofC.had,dozenD.persuaded,dozensof('94上海)29.____ofthelandinthatdistrict___coveredwithtreesandgrass.A.Twofifth,isB.Twofifth,areC.Twofifths,isD.Twofifths,are(2000上海)30.Two___diedofcoldlastwinter.A.hundredsoldpeopleB.hundredoldpeopleC.hundredoldpeoplesD.hundredoldpeoples('88MET.15)31.Itisnotrarein___thatpeo