2020年仁爱版英语九年级上册第一次月考检测题(含答案)

2020年仁爱版英语九年级上册第一次月考检测题(含答案)2020年仁爱版英语九年级上册第一次月考检测题(含答案)2020年仁爱版英语九年级上册第一次月考检测题(含答案)xxx公司2020年仁爱版英语九年级上册第一次月考检测题(含答案)文件编号：文件日期：修订次数：第1.0次更改批准审核制定方案设计，管理制度九年级英语上册第一次月考试卷（考试时间：120分钟考试总分：120分考试范围：九上Unit1全）（试卷内容、试题来源说明：均从仁爱英语九年级上册教师教学用书配套教学资源光碟中的“单元话题同步测试题”中抽取组合）题号第一部分第二部分第三部分总分ⅠⅡⅢⅣⅤⅠⅡⅢⅣⅠⅡⅢ得分第一部分听力（25分）Ⅰ.听句子，选择正确答案。每个句子读一遍。（5分）()1.A.Great. B.That’snothing. C.You’rewelcome.()2.A.Nevermind. B.Sure,I’dloveto. C.Bye-bye.()3.A.Whatapity. B.I’mfine. C.Iagreewithyou.()4.A.It’sgreat. B.Welldone. C.Ofcourse.()5.A.That’sallright. B.Haveagoodtime. C.Helpyourself.Ⅱ.听句子，选择与所听句子意思相近的选项。每个句子读一遍。（5分）()6.A.Tomisastudent. B.Tomisnotastudent. C.Tomdoesn’tlikeschool.()7.A.Kangkangisathome. B.Kangkangisatschool. C.Kangkangisn’tathome.()8.A.Sheworkshard. B.Sheisagoodwoman. C.Sheteacheswell.()9.A.Schoolendedalittleearlier.B.Schoolendedasearlyasusual.C.Schooldidn’tendsoearlyasusual.()10.A.Tomdoesn’tliketheheavytraffic.Idon’tlikeit,either.B.Idon’tliketheheavytraffic,butTomlikesit.C.Tomdoesn’tliketheheavytraffic,butIlikeit.Ⅲ.听句子，选择正确答案。每个句子读两遍。（5分）()11.A.Three. B.TomandMike. C.Beijing.()12.A.Ariver. B.Amarket. C.Aschool.()13.A.Lastyear. B.Before3years. C.Since3yearsago.()14.A.I’venoidea. B.CanIhavesomefish? C.Yes,youcan.()15.A.Itistall. B.Theyarewide. C.Sheisintheoffice.Ⅳ.听短文，选择正确答案。短文读两遍。（5分）()16.WhatdidJackwanttodooneday?A.HewantedtoborrowsomebooksfromJim.B.HewantedtoplaywithJim.C.Hewantedtobuysomebooks.()17.WheredidJackwanttoreadthebooks?

A.Inthereadingroom. B.AtJim’shome. C.Athisownhome.()18.HowlongdidJackwanttoborrowJim’sbooks?A.Twoweeks. B.Lessthantwoweeks. C.Morethantwoweeks.()19.Whydidn’tJackwanttolendthebrushtoJim?A.Becausehisbrushisbroken.B.Becausehehadlentittoothers.C.BecauseJimdidn’tlendthebookstohimyesterdayandthismadehimveryangry.()20.WhatmighthappenafterJack’swords?A.Jimwashappy. B.Jimwasunhappy. Ⅴ.听短文，补全句子。短文读两遍。（5分）21.Mr.Smithhasasmallcaranda_____.22.Hestayedintheshopfor_____hours.23.Thedogdidn’t_____himtositinthesmallcar.24.Mr.Smithhadtostarthiscar,butthekeydidn’t_____.25.Atlasthelookedatthecaragainandfoundhewasinthe_____car.第二部分基础知识运用（60分）Ⅰ.单项选择。（15分）从A、B、C、D四个选项中选出可以填入空白处的最佳答案。()26.—WhendidtheGreenscometoChina?—They_____Chinaforsevenyears.A.havecometo B.havebeento C.havecomein D.havebeenin()27.—Haveyoucleanedyourroom_____—Yes,I’ve_____cleanedit.A.already,already B.yet,yetC.already,yetD.yet,already()28.—Whatareyoureadingabout?—It’sabouttheone-childpolicy.Itsaysthatthepolicyhas_____controllingthepopulationinChina.A.beengoodat B.takengoodcareof C.workedwellin D.gotonwellwith()29.Thetrafficinthecity_____beterrible,butnowithasimprovedalot.Ithinkyouwill_____itsoon.A.useto;useto B.getusedto;usedtoC.usedto;getusedto D.getusedto;useto()30.—Davidhasmadegreatprogressrecently.—_____,and_____.A.Sohehas,soyouhave B.Sohehas,sohaveyouC.Sohashe,sohaveyou D.Sohashe,soyouhave()31.Comparedwith（与……相比）lastyear,ourpay____about￥500everymonth.A.hasincreasedby B.hasincreasedC.increasedby D.increasedto()32.—Ihavenevervisitedapaperfactory.—____SohaveI. B.SoIhave. C.NeitherhaveI. D.Ihaven’tnow.()33.Inourclass_____ofthestudents_____girls.A.thirdfifths,is B.thirdfifth,are C.threefifth,is D.threefifths,are()34.—Intheolddays,mostteenagershadtoworkforthelandlord(地主)inthefieldtohelp_____theirfamilies,becausetheirfamiliescouldn’t_____educationforthem.—Whatapity!A.support,supply B.afford,support C.support,afford D.afford,give()35.Inthepast,Ioftenwroteletterstomyfriends.Butnowwekeepintouch_____eachotherbytelephonesandtheInternet.A.to B.of C.for D.with()36.Thefamilywas_____poor_____theycouldn’tbuyaTVset.A.so;that B.not;until C.not;but D.so;but()37.—_____mydaughterisonlytenyearsold,sheknowsalot.—Whataclevergirl!A.Because B.Whether C.Though D.So()38.—Haveyouseenmybrother?—Yes.I_____himinthelibraryfiveminutesago.A.met B.havemet C.meet D.havebeenmet()39.Inourclass_____ofthestudents_____girls.thirdfifths,is B.thirdfifth,are C.threefifth,is D.threefifths,are()40.—Doesyourfatherstillsmoke?—No,hehassucceededin_____smokingforthreeyears.A.givingupB.giveup C.givesup D.gaveupⅡ.情景交际（七选五）。（5分，每空1分）从方框中选择句子，补全对话，其中有两项是多余的。A:HaveyoueverreadthenovelWarandPeace?B:41A:Whatapity!It’sawonderfulbook.B:threecopies.42A:Well,43Ifyoulike,I’lllendittoyou.B:Thankyou.44Bytheway,whencanIgetit?

A:45Willyoupleasecometomyhouseafterschool?

B:OK.I’llgoassoonasschoolisover.A.That’sverykindofyou.B.IforgotwhereIhadputit.C.Youreallyshouldreadit.D.Buttheyareallout.E.I’mafraidIhaven’t.F.Ihaven’thaditwithme.G.Ihaveacopyofmyown.41._____42._____43._____44._____45._____Ⅲ.完形填空。（每空1分，共计10分）根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格处的最佳答案。Anneisanewspaperreporter.Shechosethis

16

soshecouldtravelaroundtheworld.Theworkhastaughthermanyunforgettable(令人难忘的)lessons.Shehasseenwars,earthquakesanddeath.Butshehas17seencourage,hopeandhappiness.Lastyear,shewonanawardforherreportingin

Africa.Shewasveryproud18it.Atfirst,shethoughtshegottheawardbecauseofhergoodwork.Butthensherealizedthatsheshouldthankmanyotherpeoplefor19help.Annewasbornin

Jamaica.Herfamilywasnotpoor,butitwasnot20,either.Herparentshadto21hardsothatshecouldgotoschool.Atschool,Annewasnotagoodstudent,

22sheenjoyedwritingbecauseherEnglishteachersaid,“Anne,youareawonderful23.”Theteacherencouragedherallthetime.Later,Annewenttouniversityin

Canada

andthen24ajob.Itwasverydifficult.Then,oneday,shewenttoseetheeditorofanewspaperin

Ottawa.Theeditorgaveherajob.“Everyoneneedsa25atfirst.”Hesaid.（）46.A.book B.job C.sweater D.picture（）47.A.still B.never C.also D.only（）48.A.to B.of C.for D.from（）49.A.my B.his C.our D.their（）50.A.rich B.new C.small D.big（）51.A.study B.walk C.work D.play（）52.A.but B.if C.because D.so（）53.A.farmer B.nurse C.doctor D.writer（）54.A.lookedfor B.made C.joined D.found（）55.A.ticket B.hobby C.chance D.habitⅣ.阅读理解。（短文A.B.C.D.每题1分.短文E每题2分，共计30分）(A)Singapore’spublictransportsystem(公共交通系统)isoneofthebestintheworld,soyoushouldhavenoproblemfindingyourwayaroundlikealocal.Therearethreemainformsofpublictransportthatyouwouldfindinanyothermajorcity—trains,busesandtaxis.TRAINSTrainsrunfrom6a.m.tomidnight.Singletripticketsstartat80cents.IfyoubuyanEZ-Linkcardfor$15,youcanridethetrainsandbusesallyoulike.Ifyouneedmoreinformation,justcallTransitLinkoBUSESThereareseveralbusservicesinSingaporeandfares(车费)startat80cents.Besuretoalwaysaskthedriverthecostofyourticketashecannotgivechanges.Ifyouneedhelp,justcallTransitLinkoTAXISTherearethreemaintaxicompanies—CityCab(65522222),Comfort(65521111)andTibs(65528888).Bookingcanalsobemadeeasilybycallingthenumberslistedabove.RENTAL(租)CARSDrivinginSingaporeisapleasureandifyouliketotravelatyourownpace,rentingacarisagoodchoice.RentingtakesawaythehassleofgettingtoplacesaroundSingapore.Justsitbackandenjoythecity.Italsomeansyou’llgettoseealotmorethatatrainorabuswon’tletyousee.Forcarrental,callAvison+6567371668.根据短文内容，选择正确答案。()56.Ifyouneedtofindthebusnumber,youmaycall____________.A.+6567371668 B.65528888C D.65522222()57.BuyanEZ-Linkcard,youcantake____________. A.bothbusesandtrainsB.onlytrainsC.bothbusesandtaxisD.onlyrentalcars()58.Whenyoutakeabusthere,alwaysrememberto____________. A.takeyourownlicensewithyou B.askthedriverhowmuchyourticketis C.buythebusmapofSingapore D.bookyourticketaheadoftime()59.Whatdoestheword“hassle”meaninChinese?A.麻烦B.乐趣 C.景点 D.费用()60.WhatdoyouknowabouttravelinginSingaporefromthepassage?A.Alocalhasnotroublefindinghiswayaround.B.It’smuchcheapertogoaroundbybusthanbytrain.C.YoucanseealotmoreinSingaporeonlybyrentingacar.D.It’sveryconvenientforvisitorstotravelinSingapore.(B)Acitywithoutcarswouldbeverystrange,rightButVeniceissuchacity.VeniceisinthenortheastofItaly.Itwasn’tbuiltonland,likeBeijingorShanghai,butonmorethan110islands.Seawateriseverywherearoundthecity.Evenso,travelisn’tdifficult.Thewaterwayshavealwaysbeenthebestwaystogetaround.Thereare117waterwaysandmorethan400bridgesthatcanguideyouwhereyouwanttogo.PeopleinVenicemovefromplacetoplacebyboat.Theyliketoenjoythesceneryandcoolsummernightswhiletakingboattrips.Theycantalktootherpeopleastheygoalong.VenicegrewoutofsmallislandsinsaltwaterlakeswhensomeItaliansescapedfromawarmorethan1,500yearsago,andbuilthomesthere.Watermakesthecityspecial,butitisalsoabigproblem.Once,peopleusedtoomuchundergroundwater.Thismadethecitygetlowerlittlebylittle.Nowthecityhasgonedownby23centimeters.Anotherproblemistherisingseawater.Thetemperaturehasrisenovertheyears.ThishasmadetheiceoftheArcticOcean(北冰洋)melt(融化).Everyyear,highwatershitthecityinautumnandwinter.Whenalotofwatercomes,morethanhalfofthecityisunderwater.Scientistsaretryingdifferentwaystostopthecityfromgettingevenlower.根据短文内容，选择正确答案。()61.WhereisVenice?A.InItaly. B.InCanada. C.InEngland. D.InAmerica.()62.WhichisthemostimpossiblewayforpeopleinVenicetogetaroundA.Onfoot.B.Byboat.C.Bycar.D.Bybike.()63.WhyisVenicestillgettinglowerandlowerA.Becausetoomanypeoplelivethere.B.Becausetherisingtemperaturehasmadetheicemelt.C.Becauselotsofbridgeshavebeenbuilt.D.Becausetheundergroundwaterisrising.()64.WhatseasonsaredangerousforVenicebecauseofhighwaters?A.Summerandautumn. B.Autumnandwinter.C.Summerandwinter. D.Springandwinter.()65.Thepassageismainlyabout.A.thewaterwaysofVenice B.thehistoryofVeniceC.thesceneryofVenice D.theproblemofVenice(C)OnedayPengXianzhelearnedhewouldgototheMashanSchoolinGuizhou.The16-year-oldboytriedtoimaginehowseriousthedroughtwasforthestudentsatthatschool.However,herealizeditwasmoreseriousthanhehadimaginedwhenhesawthesign“DON’Twashclotheswithwater，oryouwillbepunished（惩罚）.”Becauseofdrought,theschoolhasbeenshortofwaterforalongtime.Eachstudenthasonlyonebottleofwatereverydayforwashinganddrinking.Thedroughthasmadethepoorstudentsmuchpoorer.PengisastudentfromBeijingChaoyangForeignLanguageSchool.Hetookpartintheschool’sRain&BowProjectfromApril2to10.TheprojectideacamefromPeng’sprincipal（负责人）.Oneday,sheheardasadstoryaboutLiGuoxian,apoorgirlintheMashanSchool，whostoppedgoingtoschoolbecauseofdrought.Theprincipalstartedthisprojecttohelptheschool.Inoneday,3，000studentsmadeover10，000donationsofwater，booksandclothes.PengandotherfourstudentswenttotheMashanSchoolandgavethedonationswithfiveteachers.Theyvisitedpoorfamilies,madesurveysandhadclassesattheschool.DingZhentao，16，wasworriedabouttheschool’spoorlearningenvironment.“Theblackboardsandplaygroundaretooshabbytouse，”Dingsaid.“Besides,therereallyaren’tenoughteachers.AteacherhastoteachbothhistoryandEnglish,andeventhecookisaclassteacher.”Althoughlifeisn’teasy,studentsattheschoolhaveapositiveattitude(积极的态度）towardslifeandtheyarequitewillingtolearn.That’swhatmoved16-year-oldChenShimost.“Theysangtheirsongstogetherasusualbeforeclasseveryafternoon.Afterclass,thestudentsaskedustotellthemthingsaboutBeijingandourstudies,”Chensaid.“Youcanseethepassion(热情）inthem.Ibelieveitwillmakeadifference.Theirfutureswillbebright.”根据短文内容，选择正确答案。()66..WhichschooldoesPengXianzhestudy？A.MashanSchool.B.BeijingChaoyangForeignLanguageSchool.C.ProjectSchool.D.TrainingSchool.()67.Theunderlinedword“shabby”meansinChinese.A.黑乎乎的 B.光滑的 C.破旧不堪的 D.不平整()68.Whostartedtheschool’sRain&BowProjectA.Theprincipaloftheforeignlanguageschool.B.PengXianzhe,a16-year-oldboy.C.ChenShi,astudentfromBeijing.D.LiGuoxian,apoorgirlinGuizhou.()69.HowmanypeoplewenttotheMashanSchoolandgavethedonationsA.Four. B.Five. C.Nine. D.Ten.()70.Thepassagemainlytellsusabout.A.thepoorlearningenvironmentoftheMashanSchoolB.thethingsthatBeijingstudentsdid,sawandheardattheMashanSchoolC.theMashanSchoolstudents’positiveattitudetowardsthedroughtD.astoryofapoorgirlwhostoppedgoingtoschoolbecauseofdrought(D)MostpeopleinBritainliveinsmallfamilygroups.MorethanaquarterofhomesinBritainhaveonlyonepersonlivinginthem.Someofthesepersonsareoldbutsomeareoftwentytothirtywhochoosetolivealone.35%ofhomeshavetwopeoplelivinginthem,andanother17%havethreepeople,15%havefourpeoplelivinginthem,andtheotherhomeshavefiveormore.ThefamiliesinBritainaresmall.Itisunusualforparentstohavemorethantwochildren.Whenchildrenareabouteighteenornineteen,theyleavetheirparents’home,andtheyoftengotoothercities.Sometimestheyonlyvisittheirparentstwiceorthreetimesayear.根据短文内容，判断正(T)误(F)。()71.Thepassageisareport.()72.35%ofhomesinBritainhave3peoplelivinginthem.()73.ThefamiliesinBritainarelarge.()74.Somepeopleareoftwentytothirtywhochoosetolivealone.()75.ThepassagemainlytellsusthepopulationinAmerica.(E)Sydneyisayoungcity.Itshistorygoesbackjustover200years.ButinAustralia,itistheoldestcity.Itisalsothecountry’slargestcity.SydneyisthecapitalofNewSouthWalesandthemostpopulous（人口稠密的）cityofAustralia.TheclimateofSydneyisverygood.It’snottoocoldduringthewinterandnottoohotduringthesummer.Theskyisblue,theairisfresh,birdssinginthegarden.PeoplewholiveinSydneyseemtohaveaneasylifestyle.Theywilltellyou,“Don’tworry.”ManypeoplethinkthatSydneyisoneofthemostattractivecitiesintheworld.Ithasmanytallandmodernbuildings.Amongthem,CentrepointToweristhetallest.Standingonthe305—metertower,youwillhaveagreatviewofthecity.Sydneyisfamousforitsdeepharbor(港口).Theharborhasmanybays(湾)andbeautifulsurfbeaches.Amongthem,Bondibeachisthemostpopular.SydneyHarborisnotonlybeautiful,butalsoservesasalargeport.Shipscarrywool,wheatandmeatfromSydneytoothercountries.PeoplelivinginSydneyliketocallthemselvesSydneysiders.Theyaremostlyfriendlyandeasygoing.Whentheyarenotworking,theylovetohaveagoodtimeatthebeach,swimmingandsailing.根据短文内容，回答问题。HowoldisSydney__________________________________________________________________HowistheclimateofSydney__________________________________________________________________HowtallisCentrepointTower__________________________________________________________________WhatisSydneyfamousfor__________________________________________________________________WhatdopeoplelivinginSydneylovetodowhentheyarenotworking第三部分语言知识运用（35分）Ⅰ.词汇。（10分）根据句意，用所给单词的适当形式填空。（10分）Therearemanybeautiful________(beach)inDalian.China’seconomyis________(increase)rapidly.Chinahas________(发展)rapidlyinrecentyears.ThankstotheProjectHope.LiYancanc_____herstudies.Beijingisthec_____ofChina.Inmy[speə(r)]time,IoftenreadEnglishnewspapers.Sofar,the[ˈɡʌvərnmənt]hastakenmanymeasurestosolveChina'senvironmentproblem.88.Tomorrowafternoonwewillhavea['kemɪstrɪ]exam.89.Nowtheelectronic[kəmjuːnɪ'keɪʃ(ə)n]equipmenthasdevelopedverywell.90.Whatisthe[ˌpɒpju'leɪʃn]ofChina?

----It’sabout1.37billion.按要求完成句子。（10分，每题2分，若错1空，本题不得分。）我一直与大学时代的朋友保持联系。I____________________myfriendsfromcollegeallthetime.铃响了，到上课的时间了。There_______________.It’stimeforclass.在过去的十年我们国家取得了巨大进步。Ourcountryhas_____great_____inthepasttenyears.我虽然没时间去旅游,但是仍然觉得这个假期很愉快。_____Ihadnotime_____travel,Istillfeltveryhappythisholiday.我女儿喜欢和我玩捉迷藏。Mydaughterlikes__________withme.Ⅲ.书面表达。（10分）请根据提示写一篇题为ThePopulationProblem的短文。（80词左右）提示:1.人口问题是当今世界上最大的问题之一；2.中国是世界上人口最多的国家；3.如果人口增长过快，将会带来许多严重问题（请举例说明）；4.我们应继续执行计划生育政策，以控制人口增长。ThePopulationProblem参考答案与听力材料1、听力材料Ⅰ.听句子，选择正确答案。每个句子读一遍。1.Itookpartinsomevolunteeractivitiesduringthesummerholiday.2.Wouldyouliketoplaychesswithme?3.Ithinktheone-childpolicycancontrolthepopulation.4.HowdoyoulikelivinginBeijing?5.IwillgotoDalianthissummerholiday.Ⅱ.听句子，选择与所听句子意思相近的选项。每个句子读一遍。6.Tomhasnochancetogotoschool.7.Kangkanghasgonetohisaunt’shome.8.MissLiiskindandfriendlytothehomelesschildren.9.Schoolwasoveralittlelate.10.Tomdoesn’tliketheheavytraffic,neitherdoI.Ⅲ.听句子，选择正确答案。每个句子读两遍。11.Howmanyengineersarethereinyourcompany?12.Wherehaveyougonefishing?13.HowlonghaveyoulearnedEnglish?14.WhatareyougoingtodonextSunday?15.WhatareBeijing’sroadslikenowadays?Ⅳ.听短文，选择正确答案。短文读两遍。Jimhadmanygoodbooks.Jackwantedtoreadthemverymuch.OnedayatJim’shouseJacksaidtoJim，“Couldyoulendmesomebooks

Iwanttoreadthemathome.I’llreturnthemwithintwoweeks.”

Jimdidn’twanttogivethebookstohisfriendandsaid,“WhydoyouwanttotakemybookshomeYoucanreadthematmyhome.”Jackwasveryunhappy,buthesaidnothing.Thenextday,JimcametoJack’shouseandsaid,“Jack,IhavetocleanmyroombutIcan’tfindmybrush.CouldIborrowyourbrushI’lluseitforabouttwohours.”

Jackanswered,“WhydoyouwanttotakemybrushhomeYoucanworkwithitinmyroom.”Ⅴ.听短文，补全句子。短文读两遍。OnedayMr.Smithwentshoppingwithhisdoginhissmallcar.Hewasintheshopforthreehours.Thenhewentoutoftheshopandgotintoasmallcar,butthedogdidn’tfollowhim.Mr.Smithwasangryandbegantoshoutatthedog.Butthedogdidn’tmove.Mr.Smithhadtostartthecar,butthekeydidn’twork.Helookedatthecaragainandthenhefounditwasn’thisowncar.参考答案及解析第一部分听力（25分）Ⅰ.1.A2.B3.C4.A5.BⅡ.6.B7.C8.B9.C10.AⅢ.11.A12.A13.C14.A15.BⅣ.16.A17.C18.B19.C20.BⅤ.21.dog22.three/323.follow24.work25.wrong第二部分基础知识运用【65分】Dforsevenyears前面要用延续性动词。hasbeento到过某地；havebeenin在某地；come是非延续性动词，后面不可接表一段时间的短语。故选D。.Dyet常放在现在完成时的否定句或疑问句句末，already常放在肯定句中。故选D。.Cworkwellindoingsth意为“在…方面起了好的作用”。故选C。.C第一句话有yet，应该用现在完成时；第二句根据时间状语tenminutesago来判定， 应该用一般过去时。故选C。.Cusedtobe“过去常常是”，getusedto“习惯于……”。故选C。6.前者so+主语+be动词/助动词/情态动词表示确实如此，后者so+be动词/助动词/情态动词+主语表示也是这种情况。故选B。31.B考查increaseby+倍数/分数，表示“增加……倍或百分之……”；increaseto+具体的增长后的数字，表示“增加到……”；increase表示增加、增多可直接跟宾语。故选B。32.C上句中由never可知是否定句，答语应用neither/nor+助动词+主语，表示“我也未参观过造纸厂”。故选C。D考查分数的表达法，其结构是分子为基数词，分母为序数词，分子大于1时，分母加s。故选D。Csupport作动词表示“维持，供养，负担（费用）”，afford常用在can,could,beable to之后，表示“担负得起……费用，损失”。故选C。35.Dkeepintouchwith意为“跟……保持联系”。故选D。36.A考查so...that...的用法。not...until表示“直到……才……”；not...but表示“不是……而是……”；so…that…表示“太……以至于”。句意为“这个家庭太穷了以至于不能买电视机。”故选A。37.C句意为“尽管我女儿只有十岁，却知道很多。”可知应选though。故选C。38.A考查一般过去时。由fiveminutesago可知用一般过去时。故选A。39.D考查分数的表达法，其结构是分子为基数词，分母为序数词，分子大