[参考实用]初中英语语法-数词(含练习)

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中考英语语法专项三数词讲解及习题

中考语法专项三-数词2．序数词：1作主语：The first is better than the second .2作宾语：He was among the first to arrive .3 作表语：He is the first to come to school .4作定语：The ninth letter of the word “restaurant” is “n” ./ There are three thousand workers in the factory .英语试题对数词的考查点集中在以下几个方面：1.基数词与序数词的用法辨析；2.分数表示法；3.月数表达法；4.日期、年代、年龄表示法；一．基数词与序数词的用法辨析[中考引路]1. We are organizing a lot of activities to celebrate the _____birthday of the Communist Party of China these months.A. nineteenB. ninetyC. nineteenthD. ninetieth2. Now, everybody, please turn to Page _____ and look at the _____picture.A. Fifth; fiveB. Five; fifthC. Fifth; fifthD. Five; five[用法详解]基数词主要表示数量，序数词主要表示序列。

序数词前常用the、名词所有格或形容词性物主代词修饰。

例如：The Blacks live in the third floor. 布莱克一家人住在第三层楼。

二分数表示法[中考引路]3. The teacher said that _____of the boys would take part in the talent show.A. three fiveB. three fivesC. thirds fifthsD. three fifths4. Nowdays _____of business letters are written in English.A. two thirdB. two thirdsC. two threeD. second three[用法详解]表示分数是，分子为基数词，分母为序数词。

初中英语语法知识—数词的知识点训练及答案(1)

一、选择题1．Thanks to Project Hope, ________ children have better lives.A．thousands of B．thousands C．thousand of2．---How often does the boy play sports?---__________A．Once a week B．Four hours C．In an hour D．At 7pm3．In our city, about ________ of people can get _________ yuan a month.A．three quarters; two thousands B．three quarter; two thousandC．three quarters; two thousand D．three quarter; two thousands4．The old man began to learn to drive a car at the age of _______．A．sixty B．the sixtieth C．sixty years old D．sixties 5．Christmas Day is on ______ of December.A．twenty-five B．twenty-fifth C．the twenty-fifth6．—______________ do you read English newspaper?—At least ______________ a week.A．How long；one B．How often；twiceC．How many；once D．How much；third7．There are _______ people in the picture, and the ______ one from the left is me. A．eleven; five B．eleventh; fifth C．eleven; fifth8．— They will need __________ volunteers for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao.— Let’s go and join them.A．thousand of B．thousands of C．three thousand of D．three thousands 9．—How long is the bridge?—About ______ long.A．two thousand meter B．two thousand metersC．two thousands meter D．two thousands meters10．So far， _______ of the students in our class _______ seen the film.A．three quarters; has B．two fifths; haveC．three quarter; has D．two fifth; have11．The environment here becomes better and better. ______________ birds are coming back. A．Thousands of B．Thousand ofC．Thousands D．Thousand12．Nearly ________of the American children get money from their part-time job.A．two third B．two three C．two thirds D．second third13．---If your parents wanted to have a ______ child, would you agree?---Of course. But they should make it in _____ yeas’ time.A．second; second B．two; two C．second; two D．two;second14．________ of the students’ parents in our class are in their .A．Two-fifths； forties B．Two-fifths； fortiethC．Two-fifth； forties D．Two-fifth； fortieth15．Every day, _______ people wait to watch the raising of the national flag at Tian’anmen Square.A．thousands B．two thousands C．thousand of D．thousands of 16．Li Wei bought some school things online at the beginning of the new term, according to the information in the form below, he saved _______ in all.School thingsThe shop nearby¥ 160¥ 30¥ 20¥ 80 Online shop¥ 140¥ 20¥ 15¥ 60A．¥ 55 B．¥ 235 C．¥ 29017．There are about people in the village.A．eight hundred B．eight hundredsC．eight hundred of D．eight hundreds of18．Jim failed twice, but he wanted to have __________ try．A．a second B．a third C．the second D．the third 19．—Simon, how old is your father this year?—______. And we just had a special birthday party for his _____ birthday last Sunday. A．Fortieth; forty B．Forty; fortyC．Forty; fortieth D．Fortieth; fortieth20．—Ann, when do you plan to go for your ten-day holiday?—Next month. I’m going away on the and coming back on the 12th.A．first B．second C．third D．fourth21．of people enjoy the TV play You Come From the Star. And 70% of the music in it very original.A．Three fifth, is B．Three fifth, are C．Three fifths, are D．Three fifths, is 22．一Mr Black looks very excited.一Yes，90 percent of the students already come to his birthday party.A．have; seventieth B．have; seventiesC．has; seventies D．has; seventieth23．There are ________ people in the supermarket. It's so crowded.A．hundred B．hundreds C．hundred of D．hundreds of 24．Two ____ students ____ to the opening ceremony last Friday.A．hundreds; were invited B．hundred; were invitedC．hundreds of ; invited D．hundred of; invited25．— How was your weekend? —Great ! It was my grandfather’s ______birthday. He was born _____.A．ninety, in the 1920 B．ninetieth, in the 1920sC．the ninetieth, on the 1920s D．nintieth, on the 1920【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】【分析】【详解】句意：由于希望工程，成千上万的孩子有了更好的生活。

[实用参考]初中英语语法-数词(含练习).doc

中考英语复习---数词表示数目和顺序的词叫数词。

数词可以分为基数词和序数词。

一、基数词1.11-19是由个位数加后缀-teen构成。

注意12,13,15,18的拼写。

2.20-90（整十）是由个位数加后缀-tP构成。

注意20,30,40,50和80的拼写。

3.其他非整十的两位数（21-99）是由整十数加连字符“-”，再接个位数构成。

Eg.35:thirtP-five79:seventP-nine81:eightP-one4.101—999先写百位数，后加and，再写十位数和个位数。

（百位与十位之间必须加and）Eg.108:onehundredandeight691:siGhundredandninetP-one5.1001及以上数字：数字从右往左看，每隔三位划一逗号，倒数第一个逗号前加thousand,倒数第二个逗号前加million，倒数第三个逗号前加billionEg.1,954:onethousandninehundredandfiftP-four712,564,301:sevenhundredandtwelvemillionfivehundredandsiGtP-fourthousandthr eehundredandone812,067,331,991:eighthundredandtwelvebillionsiGtP-sevenmillionthreehundredan dthirtP-onethousandninehundredandninetP-one6.“hundreds”,“thousands”,”millions”后加of表示大量的不确定的数目：Eg:hundredsofpeople数以百计的人thousandsoftrees成千上万的树而表示确定的大量数目则直接用基数词，其后不加s，也不加of:Eg:twohundredstudents两百个学生fivethousandPears五千年二、序数词序数词用来表示数词的顺序，除特殊情况外，序数词一般都是直接在基数词后直1.英语表示第一、第二、第三的序数词属于特殊形式：firstsecondthird2.–ve结尾的改为fth3.–tP结尾的改为tieth4.两位数以上的序数词，仅个位数部分用序数词，其余部分仍用基数词。

初中英语语法练习-数词

数词1( ) 1 There are ___ days in a year.A. three hundreds sixty-fiveB. three hundreds and sixty-fiveC. three hundred and sixty-fiveD. three hundred and sixty five( ) 2 There are____ students in this school.A. eight hundreds and forty-sixB. eight hundred and forty sixC. eight hundred and forty-sixD. eight hundred forty-six2( ) 1 ______people visit this museum every day.A. HundredB. HundredsC. Hundred ofD. Hundreds of( ) 2 There are two___ people in the meeting room.A. hundredB. hundredsC. hundreds ofD. hundred of( ) 3 Every year ___ watch NBA on TV.A. million peopleB. millions of peopleC. millions peopleD. million of people( ) 4 ____ trees have been planted in our school in the past 10 years.A. Thousands ofB. Two thousandsC. Thousand ofD. Two thousand of( ) 5 Look! There are ___ in the sky.A. thousand starsB. thousand of starsC. thousands of starsD. thousands of star3( ) 1 My brother is in____.A. Three Class, One GradeB. Class Three, Grade OneC. Grade One, Class ThreeD. class three, grade one( ) 2 We are going to learn___ this term.A. book sixB. six bookC. the book sixD. Book Six( ) 3 Please turn to___. Let's read the text aloud.A. Page TwoB. the page twoC. second pageD. page second4( ) 1 We can say the number 78, 645 in English like this____.A. seventy-eight thousand and six hundred and forty-fiveB. seventy-eight thousand six hundred and forty fiveC. seventy-eight thousand six hundred and forty-fiveD. seventy eight thousand six hundred and forty-five( ) 2 "The year 1999" should be read "The year____".A. nineteen and ninety-nineB. nineteen ninety-nineC. one thousand nine hundred and ninety-nineD. nineteen hundred and ninety-nine5( ) 1 He will come here ____ tomorrow morning.A. at fifthB. at tenC. on twoD. till tenth( ) 2 Every day he begins to do his homework ___.A. at ten past sevenB. at seven pass tenC. on ten past seventhD. until ten( ) 3 He was doing some washing ____.A. at eight yesterday morningB. yesterday morning eightC. yesterday morning at eightD. by eight yesterday morning6( ) 1 He began to work there____.A. on his fiftyB. at age of fiftyC. when he fiftyD. in his fifties( ) 2 They moved to Beij ing _A. in 1980sB. in the 1980 'C. in the 1980sD. on the 1980's( ) 3 We all like the boy.A. of ten years oldB. ten-year-oldC. at ten oldD. of age of ten( ) 4 She was ___ her early twenties when she went abroad.A. atB. onC. of D: in7( ) 1 There are____ months in a year. December is the____month of the year.A. twelve; twelveB. twelve; twelfthC. twelfth; twelveD. twelve; twelveth( ) 2 During____ century, the world population has already reached 6 billion.A. twentyB. the twentiethC. twentieth /D. the twenty( ) 3 Sunday is the____ day of the week.A. seventhB. firstC. secondD. third( ) 4 Autumn is season in a year.A. the fourthB. the thirdC. a thirdD. the threeth( ) 5 Tom was to get to school and I was ______.A. first; ninth C. the first; the ninthB. a first; a ninth D. the second; the nineth8( ) 1 -What's the date today?-Its___.A. FridayB. time to goC. cloudyD. June 4th( ) 2 Jenny was bornA. on July 10, 1987B. in July 10, 1987C. in 1987, July 10D. on 1987, July 10( ) 3 Monday is the second day, and_______.A. Tuesday is the fourthB. Thursday is the fifthC. the second is TuesdayD. the second is Thursday9( ) 1 About____ of the books in our school library are written in Chinese.A. four-fifthB. four-fifthsC. fourth-fifthsD. fourths-fifth( ) 2 ___ of the students are girls in our class.A. Two threeB. Two threesC. Two thirdsD. Second three( ) 3 ___ of the world's books and newspapers are written in English.A. Three quartersB. Three quarterC. Thirds fourD. Threes fourth10( ) 1 Tom is____ in the row.A. a secondB. the secondC. twoD. second( ) 2 The girl wanted to sing____ song in English.A. the othersB. a secondC. otherD. the second( ) 3 Now let me have____.A. the third tryB. a third tryC. third tryD. this third try参考答案：1. 1-2 C C2. 1-5 D A B A C3. 1-3 B D A4. 1- 2 C B5. 1-3 B A A6. 1-4 D C A D7. 1-5 B B B B C8. 1-3 D A B 9. 1-3 B C A 10. 1-5 B B B。

中考英语数词用法总结及训练

中考英语数词用法总结及训练一、数词的分类数词可以分为基数词和序数词两类，前者用于表示数目，后者用于表示顺序。

基数词由单个词组成，序数词由基数词加上序数词词尾组成。

二、基数词的用法1. 基数词用于表示物品的数量，如：one ticket（一张票），three pens（三支钢笔）。

2. 基数词用于表示时间、距离、重量等，如：five minutes（五分钟），six kilometers（六公里），nine kilograms（九公斤）。

3. 基数词用于构成组合形式，如：twenty-seven（二十七），fifty-one（五十一）。

三、序数词的用法1. 序数词用于表示位置、次序、时间等，如：first floor（一楼），fifth time（第五次），eleventh month （十一月）。

2. 序数词用于表示长度、距离、时间等，如：third mile（三英里），tenth day（十日），twentieth century（二十世纪）。

3. 序数词用于表示第几个，如：the seventh（第七个），the tenth（第十个）。

四、训练1. Lily is _________ (twelve) years old.2. The bus goes every _________ (five) minutes.3. This is the ________ (third) time he has failed the exam.4. I need ________ (four) tickets for the movie.5. She was born in ________ (nineteen) ninety-five.6. He lives on the ________ (second) floor of the building.7. It's ________ (eleven) kilometers to my home.8. He is ________ (twenty) years old.答案：1. twelve 2. five 3. third 4. four 5. nineteen 6. second 7. eleven 8. twenty。

初中英语语法过关——数词专项练习精选50题 (有答案)

初中英语语法过关——数词专项练习精选50题( ) 1. ________ letter of the word “restaurant” is “n”.A. The ninethB. NinethC. The ninthD. Ninth( ) 2. We talked for ________.A. half a hourB. half hourC. an hour halfD. half an hour( ) 3. The bus will leave at ________ this afternoon.A. three fifteenB. three and fifteenC. three quartersD. fifty to three( ) 4. The earth is ________ the size of the moon.A. 49 the timesB. 49 timesC. 49 timeD. fourty-nine times( ) 5. It’s a ________ ruler.A. two-feet-longB. two feet longC. two-foot-longD. two-foot-long( ) 6. ________ students are planting trees.A. Several hundredsB. Several hundredC. Five hundredsD. Five hundred of( ) 7. ________ to finish quickly.A. No every student wantsB. No every student wantC. Not every student wantsD. Not every student want( ) 8. ________ ago, our country was covered by thick forests.A. Several million of yearB. Several million yearC. Several million yearsD. Several million of years( ) 9. The weight of the moon is only about ________ of that of the earth.A. one eightyB. one of eightyC. one the eightiethD. one eightieth( ) 10. It’s 11:45. Yes, it’s ________.A. fifteen past twelveB. fifteen from twelveC. a quarter past eightiethD. a quarter to twelve( ) 11. W hat date is it? It’s ________.A. July twentieth-firstB. of July twenty-firstC. the twenty-first of JulyD. a quarter to twelve( ) 12. ---- ________, please? ---- It was April 15th.A. How old are youB. What was the date yesterdayC. What time was itD. What day is it today( ) 13. I have ________ things to do. I can’t play ________.A. many, no moreB. a lot of, any moreC. much, moreD. much, any more( ) 14. I have a ________ paper on my desk.A. littleB. lotC. lotsD. little of( ) 15. This is ________.A. the question thirtyB. the question thirteenC. thirty questionD. question thirteen( ) 16. ________ of the work has been done.A. Two thirdB. Two threeC. Two thirdsD. Two third( ) 17. It’s ________ now. Let’s hurry.A. half passed sixB. thirty passed sixC. half past sixD. half to seven ( ) 18. What’s the date today? It’s ________.A. the June fourthB. the fourth of JuneC. of June the fourthD. fourth June( ) 19. The old professor still works hard though he is _________.A. in his sixtyB. in his sixtiesC. in sixtiesD. in the sixty( ) 20. Do you have much work to do this weekend? Yes, I have to write a ________ paper.A. two-thousand-wordB. two-thousand-wordsC. two-thousands-wordD. two-thousands-words( ) 21. On May ________, ________ people traveled round the country.A. the first, millionsB. the first, millions ofC. first, the millionthD. first, millions( )22. It took me ________ to get there.A. two hours and a halfB. two hours and halfC. two hour and a halfD. two hour and half()23.David Beckham has ________ children. Brooklyn Beckham is his ________ son.A．third; first B．three; one C．three; first D．third; one()24.It's never too old to learn.Karl Marx began to learn English in his________.A．the fiftieth B．fiftieth C．fifty D．fifties()25 With the help of the German experts, the factory produced ______ cars in 2018 as the year before.A. as twice manyB. as many twiceC. twice as manyD. twice many as()26.Tom, a ________ boy, can speak English quite well.He wants to learn________ language next term.A.twelve-years-old; second B．twelve year old; the secondC.twelve-year-old; a second D．twelve years old; the second()27.________ fans would like to go to Brazil to watch the World Cup.lion of B．Millions of C．Millions D．Two millions()28.—How far is it from Tianjin to Changsha?—It is a ________ flight from Tianjin to Changsha.A.2-hour-long B．2-hours-long C.2 hours' long D.2 hour long()29.—Which is the biggest number of the four? —________.A．One third B．Two thirds C．A half D．A quarter()30.Batman and Spiderman are ________ of the most famous American cartoons.A．two B．second C．the second D．the two()31.During the May Day holiday, we stayed in a mountain village with ________ trees around.A．thousand of B．thousand C．thousands D．thousands of()32.It's said that ________ of the water around the world ________ polluted.A．two thirds; has B．two thirds; is C．two third; are D．two thirds; have()33.Helen loves reading.She has read ________ books this month.A．five B．fifth C．five of D．fifth of()34.It's my ________ time to come to the bookstore this month because most of the books in it are my favorite.A．forth B．four C．fourth D．the fourth( ) 35. The game of _______ Olympics will be held in Beijing in 2008.A. 29B. the 29thC. the 29D. 29th( ) 36. Most of the stars are much more bigger than the sun. But they are______ light years away from us.A. thousandB. thousandsC. thousand ofD. thousands of( ) 37. _______ of the surface(表面) of the earth is covered with water.A. First thirdB. Two thirdsC. One threeD. Two three( ) 38. There are _______ people in my family. We live on the _______ floor in a tall building.A. five, sixB. fifth, sixthC. fifth, sixD. five, sixth。

初中英语语法数词练习和答案1

初中英语语法数词练习和答案1本站原创|2021-11-17分享到：()1.Lincolnwasbornon________.A.February12,1809B.1809,February12C.1809,12FebruaryD.February1809,12()2.A_______boycansingtheEnglishsongverywell.A.ten-year-oldB.tenyearsoldC.ten-year-oldD.fifthyearsold〞()3.Anhourlater,_____ministerwassenttoseethe“magicclothwovenbythosetwomen.A.twoB.thesecondC.thetwoD.second()4.AbrahamLincolnwas_______PresidentoftheUnitedStates.A.16B.the16C.16thD.the16th()5.Doyouthinkthereisanyroomforus________?A.twoB.thetwoC.secondD.thesecond()6.Howmanystudentsarethereinyourclass?________.A.TwentynineB.ThirtyandtwoC.Forty-fiveD.fifties ()7.Whichnumberiswrong?_______.A.NinetyB.NinteenC.NinthD.Nineteenth()8.ThePeople'sLiberationArmywasfounded_______.A.onAugust1,1927B.in1927,1AugustC.onAugust1st,1927D.inAugust1,1927()9.Thenumber4,123isread_______.A.fourthousandonehundredandtwenty-threeB.fourthousand andonehundredtwenty-threeC.fourthousandandahundredandtwenty-threeD.four thousandsahundredandtwenty-three()10.Theoldprofessorstillworkshardthoughheis_________.A.inhissixtyB.inhissixtiesC.insixtiesD.inthesixty ()11.Thisclassroomis________ours.A.threetimesbigasB.asthreetimesbigasC.threetimesasbig asD.asbigthreetimesas()12.Thebasketballteamofourschoolranks________inthematch.A.threeB.thirdC.thethreeD.thethird()13.Whichisthecarthathedrives?It's________.A.fiftytwoB.thefifty-twocarsC.thecarfiftyfourD.thefifty-fourthcar( )14.Whichofthefollowingiswrong?________.A.Heisafifteen-year-oldboy.B.Heisattheageof15.C.Heisaboyof15.D.Heisfifteenyearold.( )15.Ourschoolisnotverybig.Thereareonly________students.A.ninehundredsofB.ninehundredC.ninehundredsD.nine hundredof()16.Howmanynewwordsaretherein________lesson?Thereareonly_________.A.five;fifthB.fifth;fiveC.thefifth;thefiveD.thefifth;five ()17.________,Coca-ColabegantoenterChina'smarket.A.In1970'sB.In1970sC.Inthe1970s'D.Inthe1970s()18.Therewasnobusinthatsmalltown.Wehada________.A.tenmileswalkB.ten-milewalkC.tenmile'swalkD.tenthmilewalk()19.Todayisthefirstdayand________.A.TuesdayisfourthB.ThursdayisthefourthC.secondisTuesdayD.asecondisThursday()20.Whichroomdoyoulivein?________.A.The201RoomB.Room201C.Room201stD.The201'sRoom()21.Howmanymagazinesdoyouhave?Ihave________.A.twoB.bothC.twiceD.thesecond()22.Threehundredthousandonehundredandseventymeans________.A.3,170B.3,117C.300,170D.30,170()23.OnMay________,________peopletraveledroundthecountry.D.A.thefirst,millionsB.thefirst,millionsofC.first,themillionthfirst,millions( )24.________ofthemarediningatschool.A.TwelveB.TwelfthC.ThetwelveD.the12th( )25. It's7:17isread________.A.sevenandseventeenB.sevensevenC.sevenonesevenD. sevenseventeen( )26. Four________twoistwo.A.plusB.minusC.timesD.dividedby( )27. Three________fiveiseight.A.plusB.minusC.timesD.dividedby( )28. Three________sevenistwenty-one.A.plusB.minusC.timesD.dividedby( )29. Forty-two________sevenissix.A.plusB.minusC.timesD.dividedby()30.Thereare________daysinayear.A.threehundredsixtyandfiveB.threehundredandsixty-fiveC.threehundredsandsixty-fiveD.threehundredsixty-five()31.Thereare________studentsinthatschool.A.twothousandeight-sixB.twothousandeighty-sixC.twothousandandeighty-sixD.twothousandsandeighty-six ()32.Ittookme________togetthere.A.twohoursandahalfB.twohoursandhalfC.twohourandahalfD.twohourandhalf()33.Septemberis_________monthoftheyear.A.theninethB.theninthC.ninethD.ninth()34.Pleasepassme_______bookontheleft.A.thirdB.threeC.thethirdD.thethree()35.________isaverytallboy.A.ThetwelveB.ThetwelvethC.ThetwelfethD.Thetwelfth ()36.Wehaveknowneachotherfor________.A.ayearandhalfB.ayearwithhalfC.ayearandahalfD.a yearwithahalf()37.“Whatyearisit?〞“It's________〞.A.nineteenhundredandninety-sevenB.nineteenand ninety-sevenC.nineteenninetyandsevenD.nineteenninety-seven( )38.“What'sthedatetoday? 〞“It's_________〞.A.TuesdayB.JuneFourthC.JunethefourD.Junethefourth()39.ThetrainfromShanghaiwillarrive________.A.inquarterpastsixB.inaquarterpastsixC.atquarterpastsixataquarterpastsix()40.Myfriendwasbornon_________.A.threeofJuly,1979B.thethirdofJuly,1979C.1979,JulythethirdD.1979,thethirdofJuly()41.________islessthan________.A.One-third;two-thirdsB.One-third;two-thirdD.( C.First-three;first-threesD.One-third;one-three)42.Whichlessondidyoulearnyesterday?________.A.LessonSevenB.LessonseventhC.The7LessonD.7Lesson()43.“What'sthedatetoday?〞“It's_______.〞A.thefourthofmayB.thefourthMayC.MayfourD.Maythe fourth()44.334isread________.A.threehundredsandthirtyfourB.threehundredsthirtyfourC.threehundredandthirtyfourthD.threehundredand thirty-four()45.InFebruary,thereareonly_________days.A.twentynineB.twenty-ninethC.twenty-nineD.twenty eight()46.TherewillbeacomedyonTVat________thisevening.A.sevenpastthirtyB.halfpastsevenC.seventhethirtyD.thirty toseven()47.Ittookme________tofindoutthekeytothedrawer.A.oneandhalfhoursB.oneandahalfhoursC.oneandahalfhour D.oneandhalfhour()48.I'msotiredafter________walk.A.threehoursB.threehours'C.threehour'sD.threehour()49.Thereare________starsinthesky.lionoflionsofC.themillionD.amillionof()50.thestreetis________wide.A.twometersB.twometerC.thetwometerD.atwometerKey:1.A2.C3.B4.D5.A6.C7.B8.A9.A 10.B 11.C 12.D 13.D 14.D15.B 16.D 17.D 18.B 19.B 20.B 21.A 22.C 23.B 24.A 25.D 26.B 27.A 28.C 29.D 30.B 31.C 32.A 33.B 34.C 35.D 36.C 37.D 38.D 39.D 40.B 41.A 42.A 43.D 44.D 45.C 46.B 47.B 48.B 49.B 50.A。

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中考英语复习---数词表示数目和顺序的词叫数词。

数词可以分为基数词和序数词。

一、基数词用来表示数目，或者说表示数量的词叫基数词。

最基本的基数词如下表所示：说明：1.11-19是由个位数加后缀-teen构成。

注意12,13,15,18的拼写。

2.20-90（整十）是由个位数加后缀-ty构成。

注意20,30,40,50和80的拼写。

3.其他非整十的两位数（21-99）是由整十数加连字符“-”，再接个位数构成。

Eg.35:thirty-five79:seventy-nine81:eighty-one4.101—999先写百位数，后加and，再写十位数和个位数。

（百位与十位之间必须加and）Eg.108:onehundredandeight691:siGhundredandninety-one5.1001及以上数字：数字从右往左看，每隔三位划一逗号，倒数第一个逗号前加thousand,倒数第二个逗号前加million，倒数第三个逗号前加billionEg.1,954:onethousandninehundredandfifty-four712,564,301:sevenhundredandtwelvemillionfivehundredandsiGty-fou rthousandthreehundredandone812,067,331,991:eighthundredandtwelvebillionsiGty-sevenmillionthre ehundredandthirty-onethousandninehundredandninety-one6.“hundreds”,“thousands”,”millions”后加of表示大量的不确定的数目：Eg:hundredsofpeople数以百计的人thousandsoftrees成千上万的树而表示确定的大量数目则直接用基数词，其后不加s，也不加of:Eg:twohundredstudents两百个学生fivethousandyears五千年二、序数词序数词用来表示数词的顺序，除特殊情况外，序数词一般都是直接在基数词后直说明：1.英语表示第一、第二、第三的序数词属于特殊形式：firstsecondthird2.–ve结尾的改为fth3.–ty结尾的改为tieth4.两位数以上的序数词，仅个位数部分用序数词，其余部分仍用基数词。

Eg.fifty-first(第五十一)forty-eighth(第四十八)6.使用序数词时一般在前面加定冠词the，如：I’minthethirdgrade.但当名词前有物主代词、指示代词修饰时，the一定要省略。

如：inhisthirdyear7.序数词可缩写为阿拉伯数字加序数词最后两个字母。

Eg.第一(the)first(1st)第二(the)second(2nd)第三(the)third(3rd) 第九十七(the)ninety-seventh(97th)第一百零一(the)onehundredandfirst(101st)8.编了号的事物要用基数词表示顺序，但是基数词要后置。

第三十二页：Page32第305房间：Room305第五课：LessonFive第12路公汽：BusNo.12数词的用法：1.分数表达法：基数词做分子，序数词作分母;当分子超过1时，分母要加“s”.Eg:1/5:onefifth2/3:twothirds1/2:one/ahalf1/4:aquarter/onefourth3/4:threequarters/threefourths2.年月日表达法：(1)年份用基数词表达，分两位一读。

Eg:1999:nineteenninety-nine20XX:twothousand20XX:twothousandandone20XX:twentytwelve/twothousandandtwelve年份前用介词in,如：在1998年：in1998(2)月份名称的第一个字母都要大写，有些月份名称有缩写形式。

一月January(Jan)二月February(Feb)三月March(Mar)四月April(Apr)五月May六月June七月July八月August(Aug)九月September(Sep)十月October(Oct)十一月November(Nov)十二月December(Dec)表示在某个月，用介词inEg.inOctoberinJuly20XX：在20XX年7月(3)日期的表达法，日期前要用介词ononJune1st：在六月1号读作：onJune(the)first(4)年月日的表达法：表示某年某月某日，按“月份+日期+年份”或以“日期+月份+年份”写，年份前加逗号隔开。

年月日前面用介词onEg:on15August,20XX或onAugust15th,20XX：在20XX年8月15日(5)年代和年龄表达法：A.“in+the+数词的复数形式”，表示年代。

Eg.inthe1870s或in1870’s(在19世纪70年代，读作：eighteenseventies) B.“in+物主代词+数词的复数形式”，表示“在某人……多少岁时”Eg.inhistwenties(在他20几岁时)3.时刻表达法：(时刻前用介词at)(1)表示整点时间，后面可以加o’clock,也可以不加o’clock而表示非整点时间，后面绝对不能加o’clockEg.atnine(o’clock)在九点(2)非整点时间（几点几分）表达法：A.可用基数词按顺序表达，也可以用介词past或to来表达。

若分钟数少于30，用“分钟数+past+小时数”若分钟数大于30，用“（60-分钟数）+to+(小时数+1)”Eg.at6:18---atsiGeighteen或ateighteenpastsiGEg.at8:55---ateightfifty-five或atfivetonineB.aquarter=fifteenminutesEg.9:15---ninefifteen或fifteenpastnine或aquarterpastfifteen Eg.9:45---nineforty-five或fifteentoten或aquartertoten4.半数表达法：a/onehalf一半halfanhour半个小时oneandahalfhours=onehourandahalf(一个半小时) twoandahalfhours=twohoursandahalf（两个半小时）课堂练习：一、写出下列数字1.622.1133.6804.第855.999999999999二、选择适当的单词填空。

1.Iamthe (two;second)childofmyparents’.2.JackisinClass (Eight;Eighth).3.Thereare (fourth;four)floorsinthebuilding.uallyitisverycoldinthe (one;first)monthhere.5.Amanhas (ten;tenth)fingers.6.Todayisthe (two;second)dayofthenewterm.三、用适当的数词填空。

1.‘T’isthe letterintheword‘Christmas’.2.Teachers’Dayisonthe ofSeptember.3.Women’sDayisonthe ofMarch.4.Thereare daysinaweek.5.Autumnisthe seasonofayear.6.Novemberisthe monthofayear.7.Tomisnineyearsold.Todayishis birthday.8.Thereare seasonsinayear.9.NewYear’sDayisthe dayofayear.10.Thereare monthsinayear.11.The monthofayearisMay.12.Thereare minutesinanhour.13.Halfofonehundredis .14.Thereare lettersinEnglishalphabet(字母表).15.Thereare daysinFebruary.课后练习：单项选择：1.Helivesin .A.theRoom203B.Room203C.203rd RoomD.203Room2.Therewere peopleintheparklastSunday.A.thousandsB.thousandofC.thousandD.thousandsof3.---Peter,howoldisyourfatherthisyear?--- .Andwejusthadapartyforhis birthdaylastweekend.A.Fortieth;fortyB.Forty;fortyC.Forty;fortiethD.Fortieth;fortieth4.Thereare monthsinayear.Decemberisthe monthoftheyear.A.twelve;twelveB.twelve;twelfthC.twelfth;twelveD.twelve;twelveth5.Wehadlearnedabout Englishwordsbytheendoflastterm.A.ninehundredsandforty-fiveB.ninehundredsofandforty-fiveC.ninehundredandforty-fiveD.ninehundredandfourty-five6.Thefarmerkeeps cowsonhisfarm.A.hundredB.hundredofC.hundredsD.hundredsof7. visitorscometoChinaeveryyear.A.ThousandsofB.TenthousandsC.TenthousandofD.Thousandof8.---HaveyouseentheCCTVnewsonTV?---Yes, childrenhadagoodfestivalonthe Children’sDay.lionsof;siGtyB.tenmillion;siGtylionsof;siGtiethD.tenmillions;siGtieth9.Father’sDayison SundayofJune.A.threeB.thirdC.thethirdD.thethree10.Thenumber999readsnine .A.hundredsandninetyninthB.hundredsandninety-nineC.hundredninetyandnineD.hundredandninety-nine11.The wordintheword“possible”is“i”.A.fiveB.secondC.twoD.fifth12.---What’s thepopulationofChina?---It’sabout .A.thirteenbillionB.onebillion,threethousandmillionC.twelvebillion,hundredmillionD.onebillion,threehundredmillion13.---Goodnews!Billwon medalinthelongjumpjustnow. ---Really?That’shis oneatoursportsmeeting.A.a;fourB.an;fourthC.a;fourthD.an;four14.Todayismymother’s birthday.Iwillbuyheragift.A.fourteenB.fourteenthC.fortyD.fortieth15.Morethantwoyearsago,peopleknewlittleabouttheuniverse.A.thousandsB.thousandC.thousandofD.thousandsof课堂练习：一、写出下列时间（除整点外，其它时间写出两种表达方式。