1、.,1,數(shù)詞,.,2,數(shù)詞的考點(diǎn),一.基數(shù)詞、序數(shù)詞,二.數(shù)詞的表示法,.,3,一.基數(shù)詞、序數(shù)詞,first,second,third,fourth,fifth,sixth,eighth,ninth,twelfth,twentieth,twenty-first,fortieth,onehundredth,onehundredandfifth,onehundredandtwenty-ninth,nineteenth,.,4,基數(shù)詞變序數(shù)詞的口訣,一二三，要死記；四后都加th；五用f換ve，其后都加th;六七同四首規(guī)律；八少t,九去e,然后再加th;十和十一首規(guī)律;十二f換ve,然后再加th;十

2、三起，十九止，其后都加th;整十?dāng)?shù)有規(guī)律，先將y變?yōu)閕e，然后再加th；幾十幾，有規(guī)律，前半基數(shù)后半序，在用短橫線(xiàn)連起；,.,5,二.基數(shù)詞的讀法,1、百位和十位間用and連接,十位和個(gè)位間用-連接,threehundredandtwenty-one,321,2、右往左數(shù),三位一組,逗號(hào)隔開(kāi).依次是thousand(千)million(百萬(wàn))billion(十億),.,6,fourthousandthreehundredandtwenty-one,sevenmillion,sixhundredandfiftyfourthousandthreehundredandtwenty-one,7,654

3、,321,1,987,654,321,4321,4,321,onebillionninehundredandeighty-sevenmillion,sixhundredandfifty-fourthousandthreehundredandtwenty-one,.,7,1.hundredthousand(表示具體數(shù)字)millionbillion2.hundredsthousands(表示概數(shù))millionsbillions,三.基數(shù)詞的用法,數(shù)詞(several)+,+of,some/manyhundredsof,.,8,1.Ifa=3,b=4,whatstheanswertothepro

4、blem,a+2ab+1=?theansweris_.A.twentyeightB.twenty-eighthC.twenty-eight2.Inourschoolseveral_studentsareabletosearchtheInternet.A.hunderdofB.hunderdsofC.hundred,.,9,3.Many_sheepwerekilledintheaccident.A.thousandsofB.thousandC.thousands4.Thereareovernine_workersinthefactory,but_ofyoungpeoplehopetoworkin

5、it.A.hundred;hundredsB.hundreds;hundredsC.hundreds;hundred,.,10,月日年在2008年10月1日,四.數(shù)詞的表示法年月日,onOctorberthefirst,twothousandandeight,onAugusttheninth,inMay,twothousandandten,有日用on無(wú)日用in,onOct.1st,2008,月日在8月9日月年在2010年5月,.,11,1.Theaccidenthappenedon_.A.April5,2001B.2001,April5C.April2001,52.Iwasborn_.A.in

6、March8,1993B.onJuly9,1994C.onMay,1995,.,12,20世紀(jì)90年代,inthe1990s/inthe1990s,在他50多歲時(shí),inhisfifties,四.數(shù)詞的表示法年代世紀(jì),inthe,inones+整十基數(shù)詞復(fù)數(shù)在某人幾十歲時(shí),nineteen,nineties,.,13,1.Therewillbemorechancesin_centurythanin_century.A.twenty-one,twentyB.twenty-first,twentiethC.thetwenty-first,thetwentieth2.Thecitychangedalo

7、t_.A.in1980sB.inthe1980sC.inthe1980,.,14,3.Hegraduatedin_of_century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentieth4.Hegottheprize_.A.inhisfiftiesB.infiftiesC.inhisfifty,.,15,oneoclock,tenpasttwo,halfpastthree,twentytofive,aquarterpastfive,aquartertoseven,sevenfifty,表示在幾點(diǎn)鐘用介詞at,四.數(shù)

8、詞的表示法時(shí)間,.,16,1.Itsalready7:40now.Whenwillthefilmstart?_.Westillhavefiveminutes.A.AquartertosevenB.Sevenpastforty-fiveC.Aquartertoeight,.,17,15,分子基數(shù)詞分母序數(shù)詞,onefifth,27,分子1分母+s,twosevenths,14,分子a分母quarter,aquarter,34,threequarters,12,ahalf,四.數(shù)詞的表示法分?jǐn)?shù),.,18,1._ofthestudents_boysinClassA.Twothree;areB.Two

9、thirds;areC.Twothirds;is2._ofhermoney_spentonclothes.A.Twothree;areB.Twothirds;isC.Twothird;is3._theteachersinourschoolisaboutonehundred,and_ofthemarewomenteachers.A.Thenumberof;twothirdB.Thenumberof;twothirdsC.Anumberof;twothirds,.,19,一個(gè)半小時(shí)兩個(gè)半小時(shí),twoandahalfhours=twohoursandahalf,oneandahalfhours=on

10、ehourandahalf,四.數(shù)詞的表示法半的表示法,1.Theboyalwaysstaystherefor_.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank_beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalf,.,20,一般編碼用名詞+基數(shù)詞207房三年級(jí)一班第五部分第一課3號(hào)汽車(chē)第一中學(xué),Room207ClassoneGradethreepartfive=thefifthpartlessonone=thefirstlessonBusNo.3=theNo.3busNo.1MiddleSchool,四.數(shù)詞的表示法編號(hào),.,21,Thewinneris_.Heisan_boy.A.eight-year-old;eightyearsoldB.eightyearsold;eight-year-oldC.eight-yearsold;eight-year-oldHecametoCh