初三英语 数词 复习

中考总复习之,数词,数词的考点,一.基数词、序数词,二.数词的表示法,一、基数词1112的基数词是独立的单词，即：one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve。21319的基数词以-teen结尾。如：fourteen，seventeen等，但13，15，18较特殊，13thirteen15fifteen18eighteen。32090的整十位均以-ty结尾。如：sixty，ninety，但20，30，40，50，80较特殊，20twenty30thirty40forty50fifty80eighty。表示“几十几”时，个位和十位之间需加连字符，如twenty-one,thirty-two,forty-three等。,一.基数词、序数词,first,second,third,fourth,fifth,sixth,eighth,ninth,twelfth,twentieth,twenty-first,fortieth,onehundredth,onehundredandfifth,onehundredandtwenty-ninth,nineteenth,二.基数词的读法,1、百位和十位间用and连接,十位和个位间用-连接,threehundredandtwenty-one,321,2、右往左数,三位一组,逗号隔开.依次是thousand(千)million(百万)billion(十亿),fourthousandthreehundredandtwenty-one,sevenmillion,sixhundredandfiftyfourthousandthreehundredandtwenty-one,7,654,321,1,987,654,321,4321,4,321,onebillionninehundredandeighty-sevenmillion,sixhundredandfifty-fourthousandthreehundredandtwenty-one,1.hundredthousand(表示具体数字)millionbillion2.hundredsthousands(表示概数)millionsbillions,三.基数词的用法,数词(several)+,+of,some/manyhundredsof,1.Ifa=3,b=4,whatstheanswertotheproblem,a+2ab+1=?theansweris_.A.twentyeightB.twenty-eighthC.twenty-eight2.Inourschoolseveral_studentsareabletosearchtheInternet.A.hunderdofB.hunderdsofC.hundred,3.Many_sheepwerekilledintheaccident.A.thousandsofB.thousandC.thousands4.Thereareovernine_workersinthefactory,but_ofyoungpeoplehopetoworkinit.A.hundred;hundredsB.hundreds;hundredsC.hundreds;hundred,月日年在2008年10月1日,四.数词的表示法年月日,onOctorberthefirst,twothousandandeight,onAugusttheninth,inMay,twothousandandten,有日用on无日用in,onOct.1st,2008,月日在8月9日月年在2010年5月,1.Theaccidenthappenedon_.A.April5,2001B.2001,April5C.April2001,52.Iwasborn_.A.inMarch8,1993B.onJuly9,1994C.onMay,1995,20世纪90年代,inthe1990s,在他50多岁时,inhisfifties,四.数词的表示法年代世纪,inthe,inones+整十基数词复数在某人几十岁时,nineteen,nineties,1.Therewillbemorechancesin_centurythanin_century.A.twenty-one,twentyB.twenty-first,twentiethC.thetwenty-first,thetwentieth2.Thecitychangedalot_.A.in1980sB.inthe1980sC.inthe1980,3.Hegraduatedin_of_century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentieth4.Hegottheprize_.A.inhisfiftiesB.infiftiesC.inhisfifty,oneoclock,tenpasttwo,halfpastthree,twentytofive,aquarterpastfive,aquartertoseven,sevenfifty,表示在几点钟用介词at,四.数词的表示法时间,1.Itsalready7:40now.Whenwillthefilmstart?_.Westillhavefiveminutes.A.AquartertosevenB.Sevenpastforty-fiveC.Aquartertoeight,15,分子基数词分母序数词,onefifth,27,分子1分母+s,twosevenths,14,分子a分母quarter,aquarter,34,threequarters,12,ahalf,13,threeandonethird,3,基数词+and+分数,四.数词的表示法分数百分数,80%,基数词+percent,eightypercent,half/(百)分数+of+可数名词复数谓语动词用复数half/(百)分数+of+不可数名词谓语动词用单数,3.78,threepointseveneight,1._ofthestudents_boysinClassA.Twothree;areB.Twothirds;areC.Twothirds;is2._ofhermoney_spentonclothes.A.Twothree;areB.Twothirds;isC.Twothird;is3._theteachersinourschoolisaboutonehundred,and_ofthemarewomenteachers.A.Thenumberof;twothirdB.Thenumberof;twothirdsC.Anumberof;twothirds,一个半小时两个半小时,twoandahalfhours=twohoursandahalf,oneandahalfhours=onehourandahalf,四.数词的表示法半的表示法,1.Theboyalwaysstaystherefor_.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank_beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalf,一倍once，两倍twice，三倍threetimes(三倍或以上基数词times),四.数词的表示法倍数,Thisboxisfivetimesasbigasthatone.=Thisboxisfourtimesbiggerthanthatone.,A+be+倍数+as+adj.原+as+B.A是B的倍C+be+倍数+adj.比+than+D.C比D倍,1.Thisbuildingis_thatbuilding.A.threetimeastallasB.twicetallerthanC.threetimesastalleras2.我的箱子比你的重六倍!Myboxis_yours.,sixtimesheavierthan,seventimesasheavyas,一般编码用名词+基数词207房三年级一班第五部分第一课3号汽车第一中学,Room207ClassoneGradethreepartfive=thefifthpartlessonone=thefirstlessonBusNo.3=theNo.3busNo.1MiddleSchool,四.数词的表示法编号,结构：be+数词+量词+形容词只能用来放到名词前作定语。如：Sheisa3-year-oldgirl.注：这种结构中名词不能用复数，同时只能作定语。用作表语时，不用连字符，名词有复数。如：Sheis3yearsoldthisyear.,四.数词的表示法基数词名词形容词”结构,1.Theriverisabout_.A.6,000meterslongB.6,00