專題05基數(shù)詞和序數(shù)詞目錄考點(diǎn)聚焦：核心考點(diǎn)聚焦，有的放矢重點(diǎn)速記：知識點(diǎn)和關(guān)鍵點(diǎn)梳理，查漏補(bǔ)缺難點(diǎn)強(qiáng)化：難點(diǎn)內(nèi)容標(biāo)注與講解，能力提升學(xué)以致用：真題感知+提升專練，全面突破核心考點(diǎn)聚焦基數(shù)詞的用法(1)當(dāng)hundred,thousand,million,billion等和of連用，表示粗略的數(shù)目時(shí),須用復(fù)數(shù)。如hundredsofpeople數(shù)以百計(jì)的人;但如果hundred,thousand,million,billion等詞前有具體數(shù)詞或several時(shí)，須用單數(shù)sixhundredpeople600人.(2)表示“幾十年代”或“幾十歲”時(shí)，用逢十的基數(shù)詞的復(fù)數(shù)。如：inthethirties在30年代inhisfifties在他50多歲時(shí)(3)與基數(shù)詞合成的復(fù)合形容詞，其中的名詞用單數(shù)。如：athreemontholdbaby三個(gè)月大的嬰兒afiveyearplan一個(gè)五年計(jì)劃序數(shù)詞序數(shù)詞一般以與之相應(yīng)的基數(shù)詞加詞尾th構(gòu)成，但要注意一些特殊形式。（一）阿拉伯?dāng)?shù)字基數(shù)詞序數(shù)詞序數(shù)詞縮略式1onefirst1st2twosecond2nd3threethird3rd5fivefifth5th8eighteighth8th9nineninth9th12twelvetwelfth12th20twentytwentieth20th21twentyonetwentyfirst21st22twentytwotwentysecond22nd23twentythreetwentythird23rd阿拉伯?dāng)?shù)字123456789基數(shù)詞onetwothreefourfivesixseveneightnine序數(shù)詞firstsecondthirdfourthfifthsixthseventheighthninth序數(shù)詞縮寫1st2nd3rd4th5th6th7th8th9th阿拉伯?dāng)?shù)字111213141516171819基數(shù)詞eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen序數(shù)詞加thtwelfth加th,比如thirteenth,nineteenth序數(shù)詞縮寫11th12th13th14th15th16th17th18th19th阿拉伯?dāng)?shù)字102030405060708090基數(shù)詞tentwentythirtyfortyfiftysixtyseventyeightyninety序數(shù)詞tenth把y變成ie,加th,比如twentieth,fortieth序數(shù)詞縮寫10th20th30th40th50th60th70th80th90th個(gè)位數(shù)是1、2、3的序數(shù)詞（除了11/12/13），它們的縮寫形式就是特殊的(1st,2nd,3rd),比如21twentyfirst,22twentysecond,23twentythird.基變序，有規(guī)律，詞尾加上th(fourth,sixth),一二三特殊例，結(jié)尾字母t,d,d(first,second,third),八去t,九去e（eighth,ninth）,ve要用f替(fifth,twelfth),ty將y改成i,the前面有個(gè)e,若要碰到幾十幾，前用基來后用序。特別提示1、以y結(jié)尾的基數(shù)詞構(gòu)成序數(shù)詞時(shí)，先把y變?yōu)閕e,再加th。2、幾十幾及以上的序數(shù)詞，其中十位數(shù)或百位數(shù)、千位數(shù)等用基數(shù)詞，只有個(gè)位數(shù)才用序數(shù)詞。如：128th:onehundredandtwentyeighth752nd:sevenhundredandfiftysecond3、hundred,thousand,million的序數(shù)詞均在基數(shù)詞后加th構(gòu)成，hundredth,thousandth,millionth真題感知一、單項(xiàng)選擇1．（2022上·江蘇南通·七年級統(tǒng)考期末）ItisreportedthattheUKhasabout68,465,000peopleinMay,2022.Therightwaytoreadthenumber“68,465,000”is______.A．sixtyeightmillionfourhundredandsixtyfivethousandB．sixtyeightmillionfourhundredsixtyfivethousandC．sixtyeightmillionandfourhundredandsixtyfivethousandD．sixtyeightmillionsfourhundredsandsixtyfivethousands2．（2022上·江蘇南京·七年級統(tǒng)考期末）ThethreeastronautsinShenzhoua.m.paceshipwentintothecountry’sspacestationandthenmet________astronautsat7:33a.m.on1stofDecember.A．otherthree B．a(chǎn)notherthree C．threeothers D．threeanother3．（2022上·江蘇泰州·七年級?？计谀㏕hemangoesarenotenough.Weneed________.A．morefive B．fivemore C．fiveanother D．muchmore4．（2022上·江蘇鹽城·七年級校聯(lián)考期末）—Excuseme,what’sthetimenow?—It’s8:45.—Youmean“________”?A．a(chǎn)quartertonine B．a(chǎn)quartertoeight C．a(chǎn)quarterpasteight D．a(chǎn)quarterpastnine5．（2022下·江蘇無錫·七年級?？计谀㏕heriveris________.A．100meterlong B．100meterlong C．100meters’long D．100meterslong6．（2022上·江蘇淮安·七年級統(tǒng)考期中）—Whichclassareyouin?—Wearein________.A．class2grade7 B．grade7class2C．Grade7Class2 D．Class2Grade77．（2022上·江蘇揚(yáng)州·七年級校聯(lián)考期中）Amyis________andshehasan________sister.A．11yearsold;8yearsold B．11yearold;8yearoldC．11yearold;8yearsold D．11yearsold;8yearold8．（2023下·江蘇南通·七年級統(tǒng)考期末）Howdoyoureadthenumber8,465,700correctly?A．Eightmillionfourhundredandsixtyfivethousandsevenhundred.B．Eightmillionandfourhundredandsixtyfivethousandandsevenhundred.C．Eightmillionsfourhundredsandsixtyfivethousandssevenhundreds.D．Eightmillionsfourhundredandsixtyfivethousandsandsevenhundred.9．（2023下·江蘇淮安·七年級?？茧A段練習(xí)）Footballissoexcitingthat__________peopleintheworldplayit.A．twomillionof B．twomillions C．millionof D．millionsof10．（2023下·江蘇淮安·七年級?？茧A段練習(xí)）Thereare________seasonsinayear.Winteris________season.A．fourth;four B．fourth;thefourth C．four;thefourth D．four;thefour11．（2023下·江蘇淮安·七年級?？茧A段練習(xí)）Thereare_________booksinthelibrary.A．twothousandandthreehundredandsixtyfiveB．twothousandthreehundredandsixtyfiveC．twothousandsandthreehundredandsixtyfiveD．twothousandsthreehundredandsixtyfive12．（2023下·江蘇揚(yáng)州·七年級校考階段練習(xí)）—Howlongisthenewbridge?—It’sabout________.A．twothousandseventyandthreemetersB．twothousandsonehundredfortymetersC．onethousandandonehundredfiftymetersD．onethousandonehundredandeightymeters13．（2022下·江蘇蘇州·七年級校考期中）—Howoldisyourfather,Sue?—________.Wearegoingtocelebratehis________birthdaynextmonth.A．Thirtyninth;fourties B．Thirtyninth;fortiethC．Thirtynine;fortieth D．Thirtynine;fourtieth14．（2023下·江蘇·七年級期末）Thereareabout________teachersinourschool.A．hundredsof B．hundreds C．twohundred D．twohundredof15．（2023下·江蘇·七年級期末）Liming,a________girl,helpedtheoldwomanoutofafire.A．20yearold B．20yearsold C．20yearold D．20yearsold16．（2023下·江蘇·七年級期末）Huai’anisabeautifulcity.About________peopleliveinthecity.A．5millions B．5millionof C．5millionsof D．5million17．（2023下·江蘇·七年級期末）—Howdoyouread102,378?—________.A．OnehundredtwothousandandthreehundredseventyeightB．Onehundredandtwothousandthreehundredandseventyeight.C．OnehundredtwothousandthreehundredandseventyeightD．Onehundredandtwothousandandthreehundredandseventyeight18．（2023下·江蘇揚(yáng)州·七年級?？茧A段練習(xí)）—Howdoyousay4,265inEnglish?

—It’s_________.A．fourthousandtwohundredandsixtyfive B．fourthousandandtwohundredsixtyfiveC．fourthousandtwohundredandsixtyfive D．fourthousandandtwohundredsandsixtyfive19．（2023下·江蘇連云港·七年級?？茧A段練習(xí)）—Whatshouldwedonow,Mr.Brown?—PleaseturntoPage________andlookatthe_________picture.A．Fourty,nineth B．Forty,ninth C．Fortieth,nine D．Forty,nine20．（2023下·江蘇連云港·七年級校考階段練習(xí)）—Bob,canyoureadthisnumber320,057?—Yes,Ican.It’s_________.A．threehundredandtwentythousand,fiftysevenB．threehundredandtwentythousandandfiftysevenC．threehundredsandtwentythousands,fiftysevenD．threehundredandtwentythousands,andfiftyseven21．（2023下·江蘇徐州·七年級?？茧A段練習(xí)）Thereareabout________workersinthatfactory.A．twohundreds B．twohundredsof C．twothousandof D．twothousand22．（2023下·江蘇鎮(zhèn)江·七年級校聯(lián)考階段練習(xí)）Pleaseturntopage(頁)________andhavealookatthepictureonit.A．theeightieth B．eightieth C．eighty D．eighties23．（2023下·江蘇揚(yáng)州·七年級校考階段練習(xí)）—Whichfloordoyoulive________?—The________floor.A．on,nine B．on,ninth C．in,nineth D．in,nine24．（2023下·江蘇徐州·七年級?？茧A段練習(xí)）—David,howoldisyourfatherthisyear?—40.Andwejusthadaspecialpartyforhis________birthdaylastweekend.A．thefourteenth B．thefortieth C．fourteenth D．fortieth25．（2023下·江蘇徐州·七年級統(tǒng)考階段練習(xí)）June________willbe________dayinHongKong.A．five;mythesecond B．thefifth;mysecondC．five;mytwo D．thefifth;mythesecond26．（2023下·江蘇揚(yáng)州·七年級校聯(lián)考階段練習(xí)）Weheldmanyactivitiestocelebrate________anniversaryofthemunistPartyofChina（中國共產(chǎn)黨華誕)in2021.A．onehundred B．theonehundred C．onehundredth D．theonehundredth27．（2023下·江蘇鹽城·七年級校聯(lián)考階段練習(xí)）—Todayismy_______birthday.—Happybirthdaytoyou!A．thetwentythree B．twentieththird C．twentythird D．thetwentythird28．（2023下·江蘇鹽城·七年級校聯(lián)考階段練習(xí)）Nowchildren,turntoPage_______andlookatthe_______picture.A．Twentieth;one B．Twenty;one C．Twentieth;first D．Twenty;first29．（2023下·江蘇淮安·七年級洪澤外國語中學(xué)?？茧A段練習(xí)）—Howoldisyourson?—________.Wewillcelebratehis________birthday.A．Tenth;ten B．Ten;tenth C．Tenth;tenth D．Ten;ten30．（2023下·江蘇無錫·七年級?？茧A段練習(xí)）Now,turntopage________andlookat________pictureinLessonTwo.A．twentieth,theone B．twenty,one C．twentieth,thefirst D．twenty,thefirst31．（2023下·江蘇鹽城·七年級校考階段練習(xí)）Mycousin________betwelveyearsoldnextweek.Iamgoingtobuyagiftforhis________birthday.A．will;twelve B．isgoingto;twelve C．will;twelfth D．isgoingto;twelfth32．（2023下·江蘇常州·七年級校考階段練習(xí)）Itishis________birthday.Hisfamilymake________EiffelTowermodel.A．thetwenty;a8meterstall B．thetwenties;an8meterstallC．twentieth;an8metertall D．twentieth;a8metertall33．（2023下·江蘇無錫·七年級校考階段練習(xí)）Nowchildren,turntoPage________andlookatthe________pictureinUnit1.A．Fifth,one B．Five,one C．Fifth,first D．Five,first34．（2023下·江蘇泰州·七年級校考階段練習(xí)）Thisismy________daytobehere.A．a(chǎn)second B．thesecond C．second D．two35．（2023下·江蘇揚(yáng)州·七年級校聯(lián)考階段練習(xí)）Iliveon________floorinthisbuilding,justtenfloors________you.A．ten;below B．ten;under C．thetenth;below D．thetenth;under36．（2022上·江蘇徐州·七年級統(tǒng)考期中）—“Godownstairs,andyou’llgettothefirstfloor.”saystheworkerinBritishMuseum.—“Oh,mom,thatmeanswe’llgettothe________floor.”saysJim,anAmericanboy.A．second B．third C．ground D．fourth37．（2022下·江蘇南京·七年級?？计谥校狧owoldisyoursister?—________.Wehadaspecialpartyforher________birthdaylastSunday.A．Nine;ninth B．Nine;theninth C．Ninth;nine D．Ninth;theninth38．（2022下·江蘇蘇州·七年級統(tǒng)考期末）J.K.Rowlingfinishedher________novelwhenshewas________.A．six;forties B．sixth;forty C．sixth;fortieth D．six;forty39．（2022·遼寧朝陽·統(tǒng)考中考真題）—ItisMom’s__________birthdaynextWednesday.Whatshouldwedo?—Whataboutbuyingher__________flowerstoshowourlove?A．forty;forty B．forty;fortieth C．fortieth;forty D．fortieth;fortieth40．（2022下·江蘇常州·七年級常州市第二十四中學(xué)校考期中）—Whatshouldwedonow,Mr.Gao?—PleaseturntoPage________andlookatthe________lineofthearticle.A．Fortynine;fifth B．Fortyninth;fiveC．Fourtynine;fifth D．Fourtyninth;five提升專練二、用所給單詞的正確形式填空41．（2022上·江蘇揚(yáng)州·七年級統(tǒng)考期末）Iliveonthefloorofthetallbuildingwithmyparents.(twelve)42．（2023上·江蘇無錫·七年級校聯(lián)考期中）Ourlibraryisonthe(one)floorinourschool.43．（2022上·江蘇常州·七年級統(tǒng)考期中）Ourartroomisonthe(one)flooroftheclassroombuilding.44．（2022上·江蘇無錫·七年級校聯(lián)考期中）Shehadher(one)babyin2008.45．（2022上·江蘇鹽城·七年級統(tǒng)考期中）Let’sgotothelibrary(one),andthenhavelunchtogether.46．（2023上·江蘇蘇州·七年級蘇州市振華中學(xué)校校考開學(xué)考試）Thereisanartroomonthe(one)floor.47．（2023下·江蘇揚(yáng)州·七年級統(tǒng)考期末）Iwanttobuysomebooksformysister’sbirthday.(nine)48．（2023下·江蘇揚(yáng)州·七年級統(tǒng)考期末）Heisenjoyingthepageofthebook.(forty)49．（2023下·江蘇·七年級期末）Hewillcelebratehisgrandpa’sone(hundred)birthdaynextweek.50．（2023下·江蘇·七年級期末）Peterandhiswifeliveonthe(eight)floorandtheygoupanddownbylift.51．（2023下·江蘇徐州·七年級統(tǒng)考階段練習(xí)）Todayismydaughter’sbirthdayandshegetsmanypresents.(twenty)52．（2023下·江蘇泰州·七年級統(tǒng)考階段練習(xí)）Lastweekweheldapartyforhis(15)birthday.53．（2023下·江蘇徐州·七年級徐州市第二十六中學(xué)?？茧A段練習(xí)）TreeplantingDayisonthe(twelve)ofMarcheveryyear.54．（2023下·江蘇泰州·七年級?？茧A段練習(xí)）MybestfriendSandylivesonthe(nine)floor.55．（2022下·江蘇揚(yáng)州·七年級統(tǒng)考期中）Februaryisthemonthoftheyear.(two)56．（2023下·江蘇徐州·七年級?？茧A段練習(xí)）Theoldladylivesonthe(five)floor.57．（2022下·江蘇揚(yáng)州·七年級校考期中）Three(four)ofthemarewomenteac