2015中考专项复习之数词课件 56页

Numbers2014初三英语专项复习数词\n数词的考点一.基数词、序数词二.数词的表示法\n基数词\n1.基数词　表示数目的词称为基数词。其形式如下：A．1——10one，two，three，four，five，sixseven，eight，nine，ten．B．11——19eleven，twelve，thirteen，fourteen，fifteen，sixteen，seventeen，eighteen，nineteen．\nC．21——99表示几十几时，在十位和个位之间添加连字符“-”2132435465768798twenty-oneforty-threethirty-twofifty-foursixty-fiveseventy-sixeighty-sevenninety-eight\nD．百位数三位数以上的基数词，在百位和十位一般要用“and”连接。101320648E．千位数以上从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“，”为thousand，第二个“，”为million，第三个“，”为billion。如：1,234,567,890one/ahundredandonethreehundredandtwentysixhundredandforty-eightonebilliontwohundredandthirty-fourmillionfivehundredandsixty-seventhousandeighthundredandninety\n“1509”Ifitisanamount(数量)1,509readslikethisonethousandfivehundredandnine(2)Ifitisadate(日期)1509readslikethisfifteenzeronine(3)Ifitisatelephonenumber(电话号码)readslikethisonefiveonine“0”在英语里读成“o”or“zero”\n1.hundredthousand(表示具体数字)millionbillion2.hundredsthousands(表示概数)millionsbillions三.基数词的用法数词two(several)++ofsome/manyhundredsof\n1)基数词表示确切的数时，不用复数形式.2)表示不确切数，如成百、成千上万，则用复数。Therearehundredsofpeopleinthehall．320threehundredandtwenty\n3．人的不确切岁数或年代，用几十的复数形式。Hebecameaprofessorinhisthirties．Itwasinthe1960s．4．基数词的句法功能可作主语、宾语、定语、表语、同位语。Thetwohappilyopenedthebox．（作主语）Theythreetriedtofinishthetask（作同位语）．\n1.—Ifa=3,b=4,what’stheanswertotheproblem,a+2ab+1=?—theansweris___.A.twentyeightB.twenty-eighthC.twenty-eight2.Inourschoolseveral__studentsareabletosearchtheInternet.A.hunderdofB.hunderdsofC.hundred\n3.Many__sheepwerekilledintheaccident.A.thousandsofB.thousandC.thousands4.Thereareovernine__workersinthefactory,but__ofyoungpeoplehopetoworkinit.A.hundred;hundredsB.hundreds;hundredsC.hundreds;hundred\n①月日年在2008年10月1日四.数词的表示法—年月日onOctorberthefirst,twothousandandeight日the+序数词月（首字母大写）月日与年之间用，分开年（两位两位读）onAugusttheninthinMay,twothousandandten有日用on无日用inonOct.1st,2008②月日在8月9日③月年在2010年5月\n1.Theaccidenthappenedon___.A.April5,2001B.2001,April5C.April2001,52.Iwasborn___.A.inMarch8,1993B.onJuly9,1994C.onMay,1995\n20世纪90年代inthe1990s在他50多岁时inhisfifties四.数词的表示法—年代世纪intheinone’s+整十基数词复数在某人几十岁时nineteennineties\n1.Therewillbemorechancesin__centurythanin__century.A.twenty-one,twentyB.twenty-first,twentiethC.thetwenty-first,thetwentieth2.Thecitychangedalot___.A.in1980sB.inthe1980sC.inthe1980\n3.Hegraduatedin__of__century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentieth4.Hegottheprize__.A.inhisfiftiesB.infiftiesC.inhisfifty\n时间和钟点\n时间的表达方式1．直接表达法。即先读小时，再读分钟如：4：10读成8：36读成2．逆读法。即先读分钟，再读小时①分钟小于30的用“past”，中文译为“过”。即分钟+past+时钟，中文译为“几点过几分”如：5:10（5点过10分）读成2:02（2点过2分）读成fourteneightthirty-sixtenpastfivetwopasttwo\n②分钟超过30（不包括30分钟）用“to”（中文译为“差”）即“60-分钟数+to+钟点数+1”（中文译为：几点差几分）如：7：45（八点差15分）读成1：58（两点差2分）读成3．半小时用“half”,一刻钟用“quarter”。注意：一刻钟aquarter三刻钟threequarters如：4:30读成9:45读成aquartertotentwototwohalfpastfourfifteentoeight特别注意：一个半小时的表达方式：one/anhourandahalfoneandahalfhours\nCanyoureadthem?1:302:15:3:456:387:259:50onethirtyhalfpastonetwofifteenaquarter/fifteenpasttwothreeforty-fiveaquarter/fifteentofoursixthirty-eighttwenty-twotoseventwentyfivepastsevenseventwenty-fivetentotenninefifty三年半的两种表达方式:threeyearsandahalfthreeandahalfyears\n1.—It’salready7:40now.Whenwillthefilmstart?—___.Westillhavefiveminutes.A.AquartertosevenB.Sevenpastforty-fiveC.Aquartertoeight\n15分子基数词分母序数词onefifth27分子﹥1分母+stwosevenths14分子a分母quarteraquarter34threequarters12ahalf13threeandonethird3基数词+and+分数四.数词的表示法—分数百分数\n分数、百分数、小数的表达方法（以分数考法较为常见）1.分数:分子用基数词，分母用序数词，分子大于一，分母加s1/2读作2/3读作1/13读作3/4读作2．小数,百分数的读法:小数点读成point3.6读作百分号%读成percent50%读作onesecond（ahalf）twothirds或者two-thirdsonethirteenththreefourths或者three-quartersthreepointsixfiftypercent\n80%基数词+percenteightypercenthalf/(百)分数+of+可数名词复数谓语动词用复数half/(百)分数+of+不可数名词谓语动词用单数3.78threepointseveneight\n1.__ofthestudents__boysinClassA.Twothree;areB.Twothirds;areC.Twothirds;is2.__ofhermoney__spentonclothes.A.Twothree;areB.Twothirds;isC.Twothird;is3.__theteachersinourschoolisaboutonehundred,and__ofthemarewomenteachers.A.Thenumberof;twothirdB.Thenumberof;twothirdsC.Anumberof;twothirds\n一个半小时两个半小时twoandahalfhours=twohoursandahalfoneandahalfhours=onehourandahalf四.数词的表示法—半的表示法1.Theboyalwaysstaystherefor__.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank__beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalf\n一倍once，两倍twice，三倍threetimes(三倍或以上基数词＋times)四.数词的表示法—倍数Thisboxisfivetimesasbigasthatone.=Thisboxisfourtimesbiggerthanthatone.①A+be+倍数+as+adj.原+as+B.A是B的…倍…②C+be+倍数+adj.比+than+D.C比D……倍\n1.Thisbuildingis__thatbuilding.A.threetimeastallasB.twicetallerthanC.threetimesastalleras2.我的箱子比你的重六倍!Myboxis____________________yours.sixtimesheavierthanseventimesasheavyas\n①Thewinneris___.Heisan___boy.A.eight-year-old;eightyearsoldB.eightyearsold;eight-year-oldC.eight-yearsold;eight-year-old②HecametoChina____.A.attheageof20B.whenheis20C.atageof20四.数词的表示法—年龄\n①Theriverisabout____.A.6,000meterslongB.6,000-meters-longC.6,000-meter-long四.数词的表示法—计量be+数词+量词+形容词\n10.Hewentdowntothevillagewhichwas___milesawayfromthecity.A.threehundredsB.threehundredC.threehundredsofB.threehundred\n6．Thewallis____.A．fourmeterslongB．fourmeterlongC．four-meterlong7．What'sthedatetoday?It's___．A．MarchtheeightB．MarcheighthC．eight，March8．Ithappenedinthe1040's．A．inthefortiesoftheeleventhcentury．B．inthefortiesofthetenthcentury．C．intheforty9．About_____________oftheearth\'ssurfaceiscoveredwithwater.A.three-foursB.three-fourthC.three-fourthsA．fourmeterslongB．MarcheighthA．inthefortiesoftheeleventhcentury．C.three-fourths\n选择填空。1．Marchis____monthofayear．A．athreeB．thethirdC．athird2．Wewillhaveameetingat8:05____．A．fivetoeightB．eightfiveC．eightofive3．Eightpluseightis____.A．sixteenB．sixty-fourC．one4．Heisan____boy．A．eightyearsB．eight-year-oldC．eight-years-old5．Wewillhavea___walk．A．tenminutesB．tenminutes'C．ten-minutesB．thethirdC．eightofiveA．sixteenB．eight-year-oldB．tenminutes'\n四、加减乘除表示法1.“加”用plus，and或add表示Howmuchistwoplusthree?Itisfive．Twoandthreeisequaltofive．2.“减”用minusHowmuchistenminussix?3.“乘”multiply3X4＝?Howmuchisthreetimesfour?4.“除”用divide的过去分词形式表示16÷4=?Howmuchissixteendividedbyfour?\n2．more还可与alittle，afew，alot，several等词连用（1）Therearemanymoredictionariesonthedesk．课桌上有许多词典。（2）Wouldyoulikesomemoretea？再喝点茶好吗？4.名词省略如果前后意思清楚，another或more后面的名词可以省去。如：1．Iclimbedthestairsslowly，carryingabigsuitcase，myfatherfollowingwithtwomore．\n1Tonyisgoingcampingwith_boysnextSunday．A．littletwootherB．twolittleotherC．twootherlittleD．littleothertwo3．Doyouknowwherehefoundtheothertwophotos？另外两张照片3.more1．more1）Shehasgotfivemoreelectricfans．她还有五台电扇。\nanother,other,more修饰数词的用法1.anotherA)another+名词单数B)表“另外的、额外的、附加的时，+few或具体数字的复数1．—Haveyoufinishedyourreportyet？—No，Iwillfinishitin10minutes．A．anotherB．OtherC．moreD．less2．Thestrikemaylastanotherthreedays．罢工可能还要持续三天。2.other+复数名词，置于数词之后B)但与定冠词the连用时，other要放在数词前。\n序数词\n1.序数词一般由基数词后加th构成，前面一般加定冠词the。第18第2002.以y结尾的基数词构成序数词时，先把y改成i，再加eth。第50第203.不规则的序数词有以下几个first,second,third,fifth,eighth,ninth,twelfth（一定要记住）theeighteenththetwohundredththefiftieththetwentieth\nfirst1stsecond2ndthird3rdfourth4thfifth5thsixth6thseventh7theighth8thninth9thtwelfth12thtwentieth20ththirtieth30thfortieth40thfiftieth50thsixtieth60thseventieth70theightieth80thninetieth90th\nC．序数词的缩写形式:阿拉伯数字后加上th。irst—lstsecond—2ndthird—3rdfourth—4thtwentieth—20thtwenty-third—23rdD．序数词的句法功能序数词在句中可作主语、宾语、定语和表语。ThesecondiswhatIreallyneed．（作主语）Hechoosethesecond．（作宾语）Wearetocarryoutthefirstplan．（作定语）Sheisthesecondinourclass．（作表语）\n4.表示第几十几时，十位用基数词，个位用序数词，十位和各位用连字符-连接第三十一第六十五第七十四第九十九第八十二thirty-firstsixty-fifthseventy-fourthninety-nintheighty-second\n5.编号的三种表示法1）名词＋基数词LessonThree2）the＋序数词＋名词thethirdlesson3）名词＋数字Lesson3如：5班ClassFive=thefifthclass=Class5\n一般编码用名词+基数词207房三年级一班第五部分第一课3号汽车第一中学Room207ClassoneGradethreepartfive=thefifthpartlessonone=thefirstlessonBusNo.3=theNo.3busNo.1MiddleSchool四.数词的表示法—编号\n1、ThisisMrWhite’s____visitinBeijing.Hehasbeentheretwicebefore.A.twoB.secondC.threeD.third2、Thereare____monthsinayear.Octoberisthe____month.A.twelve,tenB.twelfth,tenthC.twelve,tenthD.twelfth,ten3、Thereare____peopleinPeter’sfamily.Theyliveonthe____floorintallbuilding.A.six,eighteenB.six,eighteenthC.sixth,eighteenthD.sixth,eighteen\n4、_____istheeasiestofall.A.LessononeB.TheLessononeC.LessonFirstD.Thefirstlesson5、Theforeignguestsstayedin____lastnight.A.Room608B.theRoom608C.the608roomD.608theroom\n注：通常前面要加定冠词the；但出现不定冠词a或an时，则表示“再—”，“又—”。We'llgooveritasecondtime．\n特别说明：1、世纪、年代、年份、月份时，用介词in2、某一天、星期前用介词on3、某一天早晨、下午或晚上时，用介词on。1、____acoldmorning，theoldmandiedlonelyinhishouse．2、Thegirlwassenttohospital____themorningofMarch20.3、Mysonwasborn_____October2010.4、Peopleareverypoor_____thefifties.Ononinin\n分数，小数，百分比\n热门考点一：hundred、thousand、million、billion的考查方法1．和“of”连用，前面不能有具体的数,而且这四个词的本身必须用复数。如hundredsof数以百计的thousandsof数以千计的millionsof数以百万计的billionsof数以十亿计的manyhundredsofstudents.好几百个学生2．当它们的前面有具体的数修饰时,其本身即不能用复数，不能和“of”连用。twothousandstudents两千名学生fivehundredcars五百辆车\n1、Bytheendoflastyear,wehadplantedaboutfive____trees.A.hundredB.hundredsC.hundredofD.hundredsof2、____booksmustbeproducedforthechildren.A.manythousandsB.manythousandsofC.manythousandofD.manythousand\n热门考点二：其它重要表达方式的考法1.在某人多少岁in+one’s+几十的复数形式eg:Myparentsareintheirfifties.2．afive-year-oldboyaneight-year-oldgirl3．100-meter-longbridge(100米长的桥)10metersdeep(10米深)4．ten-minutewalk=tenminutes’walk5.twomorehours=anothertwohours.\n()1、Thehaswrittena___composition．A．three-hundred-wordB．three-hundred-wordsC．threehundredswordsD．threehundredsword()2、Everydaytheoldwomansitsherefor____.A.oneandhalfhourB.oneandahalfhourC.onehoursandahalfD.oneandahalfhours()3、Hebecameveryrich____.A.inhisfortyB.inthefortiesC.inhisfortiesD.intheforty()4、Maryis____girl.A.an8–year-oldsB.an8-year-oldC.an8-years-oldD.a8-year-oldADCB\n()5、GuangzhouTowerisalmost_____．A．600meterhighB．600metershighC．600-meters-highD．600-meter-high()6、—Haveyougotenoughbooks?—No.Ineed____.A.tenmoreB.moretenC.tenanotherD.othertenBA\n选择填空。1．Marchis____monthofayear．A．athreeB．thethirdC．athird2．Wewillhaveameetingat8:05____．A．fivetoeightB．eightfiveC．eightofive3．Eightpluseightis____.A．sixteenB．sixty-fourC．one4．Heisan____boy．A．eightyearsB．eight-year-oldC．eight-years-old5．Wewillhavea___walk．A．tenminutesB．tenminutes'C．ten-minutesB．thethirdC．eightofiveA．sixteenB．eight-year-oldB．tenminutes'