1数词1TherearedaysinayearAthreehundredandsixtyfiveBthreehundredsandsixtyfiveCthreehundredsandsixtyfive2DannylivesinAroom404BRoom404C404roomD404Room3JimisinAclassonegradesixBgradeoneclasssixCClassOneGradeSixDGradeOneClassSix4ThebikecostmeyuanAfivehundredfortyBfivehundredsfourtyCfivehundredandfortyDfivehundredfourty5MytelephonenumberisAeightyeighttwofortyfourzeronineBeighteighttwodoublefourOnineCeightyeighttwofortyfourzeronineDeighteighttwofourfourzeronine6IsthereanyfoodforusAtenBtenthCthetenthDtheten7MaryisgirlAan8yearoldB8yearsoldCthe8yearsoldDan8yearold8WhatdayistodayAJuneBTuesdayCItishotDItsfine9WhatsthedatetodayAItsSaturdayBItsJulyCItsfineDItsJuIy1510WhattimedoyougetupeverydayAItssevenoclockBSevenoclocktimeCAtsevenDOnseven11ThetreeistallAfourteenfootsBfourteenfeetCfourteenfootDfortyfoot12FiftyplusAfourtyisninetyBfortyisninetyCthirtyisninetyDfiftyisninety13TherearestudentsinthisschoolAfourhundredfiftytwoBfourhundredsfiftytwoCfourhundredandfiftytwo4MyhomeisaboutawayfromtheschoolAthreehundredmetreBthreehundredsmetresCthreehundredmetresDthreehundredmetre5DecemberisandlastmonthinayearAthetwelvethBtwelveCthetwelfthDtwelfth6oftheteachersintheschoolarefromcollegesAThreequartersBTwothirdCTwofifthDTwoninth7ThereweretwoworldwarsduringcenturyAthetwentiesBthetwentiethCtwentiesDtwentieth8HisfatherservedintheNewArmy新四军whilehismotherworkedintheRouteArmy八路军AFourthEighthBFourEighthCFourtheightDFourtheighth9WearelearningAthetwentyfirstlessonBLessonTwentyfirstCthe21thlessonDLesson21st10HewillstayhereforAoneandhalfmonthBoneandahalfmonthConemonthsandahalfDoneandahalfmonths11WhatsthedatetodayItsAnineBMondayCJune5D110012WouldyouliketoeatapplesNothankyouAmoretwoBtwomoreCtwoanotherDtwoelse13HesaidhewouldcomebackinAoneortwodaysBoortwodaysConeandtwodaysDadayandtwo144545Howoftendoyouwritetoyourparentsabroad4545ATwiceamonthBSecondtimesamonthCAsecondtimeamonthDsecondatimeamonth15peoplediedinthetrafficaccidentsintheworldAThousandofBThousandsofCTenthousandsofDTenthousandof16Inthe1850saboutwascoveredbyforestintheUSAAthirdBathirdCthethirdDathirds17ThisisherbirthdayIthinkAtwentyBtwentiethCthetwentiethDthetwentys18SeptemberisTeachersDayAthetenBtenthCthetenthDthetens19TherearechildreninthecountryschoolAtwothousandfivehundredandsixtyBtwothousandsfivehundredandsixtyCtwothousandsfivehundredsandsixtyDtwothousandfivehundredsandsixty20ofthesoldiersisabouttwothousandAAnumberBThenumberofCAgreatnumberDThebiggestnumbersof2二用英语写出下列日期11月6日2八月七日35月1日44月3日512月1日610月1日7九月十日82月4日二用英语写出下列时间1930210536404857540961200答案一15BBCCC610ABAAD1115CBAAB1620BBCAB1序数词的构成及其说明1序数词第一第二和第三为firstsecond和third其他序列数词的构成是在基数词后加th例如sixsixthsevenseventhtententhfourfourth2fifth第五eighth第八ninth第九和twelfth第十二在拼法上有变化3二十三十等基数词变为序数词时要把y变成ie再加th例如twentytwentieth5twentiiWfortyfortiethfCtiiW4基数词几十几变成序数词时表示几十的数词不变只把表示几的基数词变成序数词例如twentyonetwentyfirstfortyfivefortyfifth5第一百第一千第一百万第十亿都是在基数词后直接加th构成例如第一百hundredth第一千thousandth第一百万millionth第十亿billionth6序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成例如1st2nd3rd4th21st32nd40th2序数词在句子中的应用序数词在句中主要是充当定语也可以作主语表语宾语前面要加定冠词the例如ThefirsttimeIcametoChinaIlikeditverymuch我第一次来中国我就非常喜欢这个国家Thefirstisalwaysbetterthanthesecond第一总是比第二好Shewillchoosethethird她将选择第三1基数词的构成及其说明1112是独立的单词即onetwothreefourfivesixseveneightnineteneleventwelve21319多数在末尾加teen但应注意131518的拼写形式例如13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen3从2090整十位数多数在词尾加ty但要注意20304050和80的拼法例如20twenty30thirty40forty350fifty60sixty70seventy80eighty90ninety42199是由几十和几合起来构成中间加连字符例如21twentyone32thirtytwo55fiftyfive74seventyfour86eightysix99ninetynine5101999等三位数中十位数或个位数的前面加and例如101aonehundredandone230twohundredandthirty513fivehundredandthirteen678sixhundredandseventy999ninehundredandninetynine61000以上的数要用计数逗点即从个位开始每隔三位数加一逗点第一个逗点处是thousand千第二逗点处是million百万第三个逗点处是thousandmillion英或billion美十亿例如一千1000aonethousand4596fourthousandfivehundredandninetysix一万10000tenthousand18261eighteenthousandtwohundredandsixtyone十万100000aonehundredthousand766132sevenhundredandsixtysixthousandonehundredandthirtytwo一百万1000000aonemillion4538536fourmillionfivehundredandthirtyeightthousandfivehundredandthirtysix一千万10000000tenmillion一亿100000000aonehundredmillion十亿以上的数英美说法不同十亿10000000000英国aonethousandmillion美国aonebillion百亿10000000000tenthousandmillion注意汉语中有百千万亿等单位而英语中有hundred百thousand千million百万等但没有表示万和亿的专门单词要用十进位的方法推算出来例如thousand千百万tenthousand万hundredthousand十万million百万tenmillion千万hundredmillion亿万万巧学巧用读数的诀窍有一首歌诀可以帮助我们迅速地用英语读出长数字从右向左三逗开一逗千二逗百万三逗就是十万万左右三位分开读保你又快又喜欢从右向左三逗开指从右向左把长数字母三位用逗号分开如1000022543051000000000一逗千二逗百万三逗就是十万万指从右向左的第一个逗号表示千thousand第二逗号表示百万million第三个逗号表示十万万billion即十亿左右三位分开读保你又快又喜欢指读数时从左向右每三位三位地按三位数的读法读遇到有逗号时就分别加上该逗号所表示的那个英语单词42hundredthousandmillion与of连用数词hundredthousandmillion等的前面有其他数词用作确定的数目时不用复数形式例如threethousand三千不能说threethousandsfivehundred五百不能说fivehundreds但是当hundredthousandmillion在用作不确定的数目时则需用复数形式并且往往后接of例如hundredsofpeople几百人hundredsofthousandsofpeople几十万人millionsofthelocusts千百万只蝗虫巧学巧用有hundred等数词有s时有of没有s没of数词前面加没有s没of前面无数词有s也有of