第三講：數(shù)詞【考點(diǎn)解讀】數(shù)詞在我們的日常生活中時(shí)時(shí)出現(xiàn)，因此它的學(xué)習(xí)既有趣味，又有點(diǎn)繁瑣。在小學(xué)階段，我們需要掌握好基數(shù)詞和序數(shù)詞的運(yùn)用，日期和時(shí)刻的表達(dá)，約數(shù)和具體數(shù)字的區(qū)別，聽(tīng)懂別人的表達(dá)，并且能夠在自己的表述中準(zhǔn)確運(yùn)用它們?！局R(shí)講解】知識(shí)點(diǎn)1——基數(shù)詞和序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞onefirsteleveneleventhtwenty-onetwenty-firsttententhtwosecondtwelvetwelfthtwenty-twotwenty-secondtwentytwentieththreethirdthirteenthirteenthtwenty-threetwenty-thirdthirtythirtiethfourfourthfourteenfourteenthtwenty-fourtwenty-fourthfortyfortiethfivefifthfifteenfifteenthtwenty-fivetwenty-fifthfiftyfiftiethsixsixthsixteensixteenthtwenty-sixtwenty-sixthsixtysixtiethsevenseventhseventeenseventeenthtwenty-seventwenty-seventhseventyseventietheighteightheighteeneighteenthtwenty-eighttwenty-eightheightyeightiethnineninthnineteennineteenthtwenty-ninetwenty-ninthninetyninetiethtententhtwentytwentieththirtythirtiethonehundredonehundredth知識(shí)點(diǎn)2——時(shí)刻的表達(dá)順讀法小時(shí)+分鐘7:20讀作：seventwenty逆讀法分鐘≦30分鐘分鐘+past+小時(shí)7:15讀作：aquarterpastseven分鐘>30分鐘（60-分鐘）+to+(小時(shí)+1)7:48讀作：twelvetoeight7:45讀作：aquartertoeight知識(shí)點(diǎn)3——日期的表達(dá)表達(dá)順序書(shū)寫(xiě)方式讀法月/日，年份May1,2018Maythefirst,2018日/月，年份1May,2018thefirst(day)ofMay,2018知識(shí)點(diǎn)4——年齡的表達(dá)attheageof…在..歲時(shí)…year(s)old…歲inone’sfifties在某人五十多歲時(shí)知識(shí)點(diǎn)5——約數(shù)與具體數(shù)目的表達(dá)約數(shù)與具體數(shù)字示例數(shù)字+hundred/thousand+nsfivehundredstudentsseventhousandstudentsahundred=onehundred約數(shù)+hundred/thousand+nssomethousandstudentsseveralhundredstudentsmanythousandstudents數(shù)字/約數(shù)詞+hundred/thousand+ofthensfivehundredofthestudentsinourschoolseventhousandofthestudentsseveralhundredofthestudents(不加數(shù)字或約數(shù)詞)hundreds/thousandsof+nshundredsofstudentsthousandsofstudents知識(shí)點(diǎn)6——a/an用法區(qū)別用法示例a用于發(fā)音以輔音音素開(kāi)頭的單詞前a/an+（修飾詞）+n(單數(shù)）asinger,aschool,achild,aknife,abigorange,aredapplean用于發(fā)音以元音音素開(kāi)頭的單詞前a/an+（修飾詞）+n(單數(shù)）anapple,anorange,anorangepen,anEnglishcar,anumbrella，anAmericangirl知識(shí)點(diǎn)7——a/an用法易錯(cuò)點(diǎn)易錯(cuò)點(diǎn)單詞以元音字母開(kāi)頭，發(fā)音卻以輔音音素開(kāi)頭字母u開(kāi)頭:auniversity,ausefulbook,aunit,auniform,字母e開(kāi)頭:aEuropeancountry字母o開(kāi)頭:aone-eyedmonkey,aone-waystreet單詞以輔音字母開(kāi)頭，發(fā)音音卻以元音音素開(kāi)頭anhour,anhonestboy26個(gè)字母中以元音音素發(fā)音開(kāi)頭的字母有12個(gè)a,e,f,h,i,l,m,n,o,r,s,x一句話概括以上所有字母：“Mr.Lihasonefox.”Thereisan“s”inthewordschool.Thereisan“m”inthewordmud.三、【典例探究】【例題1】：Thereare_____floorsinmyhouseandmybedroomisonthe_____floor.A.twelfth;ninthB.twelve;ninthC.twelve;ninethD.twelfth;nineth答案：B【解析】基數(shù)詞+ns,the+序數(shù)詞+n(單數(shù)）【例題2】：TuYouyouwasawardedtheNobelPrizeinher .A.eighties B.eighty C.eightieth D.eightieths答案：A【解析】insb'seighties表示在某人八十多歲時(shí),故選擇A?！纠}3】：—Wherewereyouborn，Michael？—Iwasborninasmallvillagewithonlythree_______people．A.hundredB.hundredsC.hundredsof答案：A【解析】對(duì)于hundred、thousand、million等量詞，要記住“有數(shù)字無(wú)s和of，沒(méi)有數(shù)字有s必有of”，這個(gè)口訣需要學(xué)生背誦，這類習(xí)題也就拿下了。四、【課堂運(yùn)用】【基礎(chǔ)】【練習(xí)1】【練習(xí)2】答案：ABABC【鞏固】【練習(xí)】單選選擇Marchismonthoftheyear.A:athreeB:thethirdC:athirdTheclassbeginsat(8:05).A:fivetoeightB:eightfiveC:fiveeightEightpluseightis.A:sixteenB:sixty-fourC:oneHeisanboy.A:eightyearsB:eight-year-oldC:eight-years-oldThewallis.A:fourmeterslongB:fourmeterlongC:four-meterlongHelivesin.A:310roomB:room310C:Room310Thisismytimetoplaythepiano.A:atsecondB:twoC:secondTheDayoftheweekisSunday.A:firstB:oneC:onethTherearedaysinayear.A:threehundredssixty-fiveB:threehundredandsixty-fiveC:threehundredandsixtyfiveJackisin.A:ThreeClass,OneGradeB:ClassThree,GradeOneC:GradeOne,ClassThree【拔高】【練習(xí)】單選選擇Pleaseturnto.A:PageTwoB:PagesecondTherearemonthsinayear.Decemberisthemonthoftheyear..A:twelve，twelveB:twelve，twelfthC:twelfth，twelveSnowwasborn.A:onMarch16th1998B:onMarch1998,16thC:on1998,March16thWhat’sthedatetoday?It’s.A:FridayB:cloudyC:June4thThereareminutesinanhour.A:sixtyB:sixtiethC:sixteenD:six“Howmanyteachersarethereinyouruniversity?”“.”A:Twohundredsandforty-threeB:Twohundredandforty-thirdC:Twohundredsandforty-thirdD:Twohundredandforty-threeThereareEnglishbooksforusstudentsintheschoollibrary.A:fourhundredsandfiveB:fourhundredsfiveC:fourhundredandfiveD:fourhundredfive“456”mustbereadandwritteninEnglishas.A:four,fiveandsixB:fourhundredandfiftysixC:threehundredsandfifty-sixD:fourhundredandfifty-sixMay23reads.A:Maythetwenty-thirdB:thetwenty-thirdMayC:Maythetwenty-threeD:thetwenty-threeofMayBytheendof1993,thepeasantshadplantedtreesintheirvillage.A:twohundredsofB:hundredofC:twohundredsD:hundredsofisTeachers’DayinChina.A:TenthSeptemberB:SeptemberthetenthC:TheofSeptemberD:TheSeptembertenthIamin.A:Grade1Class3B:Class3,Grade1C:3Class,1GradeD:Class3Grade1childrenwatchedthemonkeyplayingwitheachotherinthezoo.A:AbouttwohundredsB:HundredsofC:AbouttwohundredofD:HundredofTherearenearlytwostudentsinourschoolnow.A:thousandsB:thousandsofC:thousandD:thousandofclassbeginsateightinthemorning.A:OneB:TheoneC:FirstD:Thefirst五、【課后鞏固】【習(xí)題1】單選Thereareaboutsoldiersontheplayground.A:twohundredsofB:twohundredC:twohundredsD:twohundredofTomlivesonfloor.Hedoesn’thavealifttogoupanddown.A:nineB:theninthC:ninthD:aninth509isreadas.A:fivehundrednineB:fivehundredandninetreesareplantedonthehill.A:ThousandB:ThousandsC:ThousandofD:Thousandsofclassbeginsateightinthemorning.A:OneB:TheoneC:FirstD:ThefirstTheyusuallyhavesupperatintheevening.A:twentytoeightB:twenty-eightC:twentyeightD:eight-twentyMikeandBillarebothin.A:3GradesB:3GradeC:grade3D:Grade3Yourseatisin.A:RownineB:theninerowC:theninthrowD:theninethrowIttookhimhourstofinishthework.A:oneandahalfB:oneandhalfC:halfpastoneD:ahalfandoneWe’regoingtolearntoday.A:EleventhLessonB:LessonEleventhC:LessonElevenD:theLessonElevenThegirlwontherace.A:100-metresB:100-metreC:100metresD:100metre【習(xí)題2】按要求改寫(xiě)句子1.Ihaveaglassofwatermelonjuice.(對(duì)劃線部分提問(wèn))_______________________________________________________________________2.Ihavetwoglassofwatermelonjuice.(對(duì)劃線部分提問(wèn))________________________________________________________________________3.Heisthreeyearsold.(對(duì)劃線部分提問(wèn))_______________________________________________________________________4.Therearefiveblindmen.(改為單數(shù)句)_______________________________________________________________________5.Ittakesforty-fiv