数词专题与练习
英语数词练习题及答案
英语数词练习题及答案英语数词是英语学习中的一个重要部分，掌握好数词的使用对于提高英语水平非常关键。
以下是一些英语数词的练习题及答案，供学习者练习和参考。
练习题1：将下列英语数词转换为基数词形式。
1. First2. Second3. Third4. Twentieth答案1：1. 1st2. 2nd3. 3rd4. 20th练习题2：将下列基数词转换为序数词形式。
1. 12. 23. 214. 30答案2：1. First2. Second3. Twenty-first4. Thirtieth练习题3：用适当的数词填空。
1. There are _______ days in a week.2. I have _______ brothers and _______ sisters.3. She is _______ years old.4. The _______ floor of this building is the highest.答案3：1. seven2. two, one3. twenty4. tenth练习题4：根据所给的数词，写出对应的英文表达。
1. 1002. 10003. 1,2344. 10,000答案4：1. One hundred2. One thousand3. One thousand two hundred thirty-four4. Ten thousand练习题5：将下列句子翻译成英文。
1. 我住在第五层。
2. 这是我第一次来中国。
3. 他有四个孩子。
4. 这本书是第三本。
答案5：1. I live on the fifth floor.2. This is my first time to come to China.3. He has four children.4. This book is the third one.通过这些练习题，学习者可以加强对英语数词的理解和应用。
小学英语数词专项练习【三篇】
【导语】海阔凭你跃，天⾼任你飞。
愿你信⼼满满，尽展聪明才智;妙笔⽣花，谱下锦绣第⼏篇。
学习的敌⼈是⾃⼰的知⾜，要使⾃⼰学⼀点东西，必需从不⾃满开始。
以下是为⼤家整理的《⼩学英语数词专项练习【三篇】》供您查阅。
【第⼀篇】基数词1. 表⽰数量多少的词是基数词，如：one, two, three等。
2. 数词的构成1）从1－12分别由从one到twelve，12个各不相同的词表⽰。
2）从13－19均以后缀-teen结尾。
3）从20－90的整⼗数词均以后缀-ty结尾。
表⽰“⼏⼗⼏”时，个位和⼗位之间需加连字符。
4）整百数由1—9加hundred构成。
5) 整百数和整⼗数之间由and连接，⼗位与个位之间要加连字符“-”。
如果⼗位数为零，那就在百位和个位之间⽤and连接。
6）千 thousand 百万 million ⼗亿 billion序数词基变续，有规律，词尾加上th;⼀⼆三，特殊记，词尾字母t,d,d(first,second,third);⼋减t(eighth), 九去e (ninth)，f来把ve替(five---fifth,twelve---twelfth); 单词ty作结尾，ty变成tie(twenty-twentieth);若是碰到⼏⼗⼏，只变个位就可以1) 第⼀百、第⼀千、第⼀百万、第⼗亿都是在基数词后直接加th构成。
2）.序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。
3) 序数词前必须加定冠词the年、⽉、⽇的表⽰法1986年9⽉1⽇ September 1st, 1986 / 1st September, 1986时刻的表⽰法第B、半点的表⽰法表⽰半点钟时，⽤“钟点数+ thirty”或“half+ past +钟点数”表⽰C、“⼏点⼏分”的表⽰法（1）⽤“钟点数+分钟数”表⽰（2）分钟数在30分钟以内的，⽤“分钟数+ past +钟点数”表⽰，意为“⼏点过⼏分“（3）分钟数超过30分钟的，⽤“（60-分钟数）+ to +下⼀个钟点数”表⽰，意为“差⼏分到⼏点”【第⼆篇】⼀．⽤括号内所给数词的正确形式填空.28′1.We are in Class________（3）.2.We have________（12）months of the year.December is the _____________（12）one.3.This is my________（1）bag.4.My birthday is Dec.________（21）.5.I have________（3）books.I like my________（3） book.⼆、根据句⼦意思填空。
完整版数词专项练习(含答案)
数词专项练习一．基数词( )1. —How much is the white coat?—It’s_____yuan.A.one thousand, six hundred,eighty-eightB.one thousand six hundred eighty-eightC.one thousand, six hundred and eighty-eightD.one thousand and six hundred and eighty-eight( )2.—Can you write the number eighty-five thousand, six hundred and twenty-six?—Yes, it is _____.A.85,626B.856,620C.58,662D.58,626( )3. It took us ____ to finish the new research report.A. three hour and a halfB. three and a half hourC. three and half hoursD. three and a half hours( )4. The children got to the Ocean Park after ____ ride.A. an hour’sB. an hours’C. a hour’sD. one hours’( )5. —Did you finish your homework, Tom?—I need ____ hours.A. another twoB. two anotherC. more twoD. still two ( )6. —Would you like to stay ____ days in Beijing?—No, thanks. I’m afraid I’ll be back tomorrow.A. more twoB. other twoC. two anotherD. another two二．序数词7. There are fifty floors in this tall building. Mr. Wang’s office is on the _______（第四十）floor.8. Tomorrow is Tom’s ________(twelve) birthday. Let’s give him some presents.9. The old man lives on the _______ (nine) floor of this tall building.10. Mr. Green lives on the _______（three）floor.11. The boy writes to his parents _____ (one) a week.三．单位词12. There are (有) about eight h____ students in my school.13. —How many students does your school have?—About two _______ (千).14.The place of interest is visited by millions of ________(tourist).( )15.Xi’an is a city with many places of interest and _____ tourists come here every year.A.thousand ofB.thousandC.thousandsD.thousands of ( )16. There were _______ animals in the forest many years ago.A. billions ofB. billion ofC. three billion ofD. three billions of( )17. —How many students are there in your school?—_______ students, I think.A. Thousand ofB. Three thousandsC. Three thousandD. Three thousands of四．序数词、基数词( )18. The boy is only _____ and today is his _____ birthday.A. nine; nineB. ninth; nineC. nine; ninthD. ninth; ninth ( )19. There are _____ floors in this building and Mr. Wang’s office is on _____floor.A. forty; twelfthB. fortieth; twelveC. fortieth; twelfthD. forty; the twelfth五．数词+ 名词+（形容词）( )20. When National Day comes, we have a _____ holiday.A. seven-dayB. seven-daysC. seven daysD. seven day( )21. Li Ming will take part in the boys’ _______.A. 800-meter raceB. 800-meter racesC. 800 meter raceD. 800-meter-races( )22. Don’t shout at him. He is only _______ boy.A. a eight-year-oldB. an eight-year-oldC. a eight years oldD. an eight years old( )23. Kangkang won the first place in the _______ in the school sports meet last week.A. boy’s 100-meter raceB. boys’ 100-meter raceC. boy’s 100-meters raceD. boys’ 100-meters race( )24. The summer holiday is coming. We’re going to have _______ holiday.A. a two-monthB. a two-monthsC. two monthsD. two-months ( )35. —Though Mike is ____ boy, he can say many words.—How clever!A. an-one-year-oldB. a one-year-oldC. an one-year oldD. a one-year old ( )26. —Hi, Jim! What’s your plan?—I will be on ____ holiday.A. a two-dayB. a two dayC. a two-day’sD. a two-days ( )27. Though she is a ____ woman, she often dances with young people.A. sixty years oldB. sixty-years-oldC. sixty-year oldD. sixty-year-old ( )28. —Can you tell me ____ we will have a holiday for May Day?—Yes, we will. We will have a ____ holiday.A. if; two daysB. that; two daysC. if; two-dayD. that; two-day 六．分数、百分数、小数( )29.There are sixty teachers in our school._____ of them are women.A.One thirdB.One threesC.One thirdsD.First three ( )30.In our class _____ of the students _____ girls.A.third fifths, isB.third fifth, areC.three fifth, isD.three fifths, are ( )31._____ of the students in our class _____ boys.A.Twenty percents, areB.Twenty percents, isC.Twenty percent, areD.Twenty percent, is( )32.There is still some water in the bottle, but _____ of the water _____ been drunk by Tom.A.two third, hasB.two three, haveC.two thirds, hasD.two thirds, have七．次数的表达法33. I have been to Hong Kong ________ (two).34. —How often does Jim go to the library?—He goes to the library o_____ a week.八．世纪年代的表达法( )35. Our country did something useful to improve the people’s life_______. Now our Chinese are living a happy life.A. in the 1970B. in 1970sC. in 1970’sD. in the 1970s参考答案：一．基数词1-6：CADAAD二．序数词7：fortieth 8: twelfth 9: ninth 10: third 11:once三．单位词12: hundred 13: thousand 14: tourists 15: D 16: A 17：C四．序数词、基数词18-19：CD五．数词+ 名词+（形容词）20-25: AABBA 26-28: BAD六．分数、百分数、小数29-32: ADCC七．次数的表达法33: twice 34: once八．世纪年代的表达法35: D。
数词练习题及答案
数词练习题及答案一、选择题1. 以下哪个数词表示“第一”？A. firstB. secondC. thirdD. fourth2. 英文中“二十”用哪个数词表示？A. twentyB. twenty-oneC. twenty-twoD. twenty-three3. "Fifty"在数词中表示什么？A. 五十B. 十五C. 五D. 五十一4. “两个”在英文中通常用哪个数词？A. oneB. twoC. threeD. four5. “百”在英文中用哪个数词表示？A. hundredB. thousandC. millionD. billion二、填空题1. 我昨天去了图书馆，借了______本书。
A. threeB. fourthC. fifthD. sixth2. 我们班级有______个学生。
A. thirtyB. thirty-oneC. fortyD. forty-one3. 她的生日是______月______日。
A. first; firstB. second; secondC. third; thirdD. fourth; fourth4. 我每天需要学习______小时。
A. fiveB. fiftyC. five hundredD. five thousand5. 这个月我们公司完成了______个项目。
A. twoB. twentyC. two hundredD. two thousand三、翻译题1. 请将“第三周”翻译成英文。
A. First weekB. Second weekC. Third weekD. Fourth week2. “我今年二十岁”用英文怎么说？A. I'm ten years old this year.B. I'm twenty years old this year.C. I'm thirty years old this year.D. I'm forty years old this year.3. “我们有五个苹果”用英文怎么表达？A. We have one apple.B. We have two apples.C. We have three apples.D. We have five apples.四、改错题1. 我昨天看了两电影。
数词-知识点归纳与练习
数词-知识点归纳与练习一、初中英语数词1．_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.A. In 1870s, in his fiftiesB. In 1870s, in fiftiesC. In the 1870s, in fiftiesD. In the 1870s, in his fifties【答案】 D【解析】【分析】句意：在十九世纪七十年代，马克思已经五十岁了，他觉得研究俄国的形势很重要，便开始学习俄语。
in the 1870s十九世纪七十年代；in one's fifties在某人五十多岁时；故选D。
【点评】考查时代的表达方式和固定短语。
掌握时代的表达方式。
2．Did you know that the earth is home to ______ animals?A. millionB. millionsC. million ofD. millions of【答案】 D【解析】【分析】句意：你知道地球是几百万动物的家园吗？millions of，固定搭配，几百万的；数词+million，表示具体的……百万，此时million是单数形式；空前没有具体数词，因此用millions of，故选D。
【点评】考查数词，注意millions of的用法。
3．______ of the students in our school are boys.A. Two threeB. Second threeC. Two thirdsD. Two third【答案】 C【解析】【分析】句意：我们学校的学生中有三分之二是男生。
分数词是分子是基数词，分母是序数词，分子大于一，分母加s，因此二分之一是two thirds，故选C。
数词专项练习(附答案解析)
数词专项练习(附答案解析)亲爱的数词在我们的日常生活和学习中可是经常用到哦。
无论是数数、表示顺序，还是描述数量的多少，都离不开数词。
下面咱们就一起来做做数词的专项练习吧，做完之后还有详细的答案解析哟，让你彻底搞懂数词的用法！一、选择题。
1. There are ____ days in a week.A. five.B. six.C. seven.答案：C。
原因：咱们都知道，一周有七天呀，从星期一到星期日，所以应该选C。
2. My sister is ____ years old. She is a primary school student.A. eight.B. eighteen.C. eighty.答案：A。
原因：题目里说她是一名小学生，小学生一般年龄比较小，八岁符合，十八岁通常是中学生啦，八十岁那就很大年纪了，所以选A。
3. This is my ____ time to visit the museum.A. one.B. first.C. the first.答案：B。
原因：这里是表示“第一次”，要用序数词，“one”是基数词，“the first”前面已经有“my”这个形容词性物主代词了，就不能再用“the”啦，所以选B。
比如说，“This is my second book.”（这是我的第二本书。
）。
二、填空题。
1. There are ____ (十二) months in a year.答案：twelve。
原因：一年有十二个月，这是固定的常识哦，“十二”的英文就是“twelve”，这里需要用基数词表示数量。
2. September is the ____ (九) month of a year.答案：ninth。
原因：这里表示“第九”，要用序数词。
在英语中，序数词一般是在基数词后面加“th”，但有些有特殊变化，“nine”的序数词是“ninth”。
就像“March is the third month of a year.”（三月是一年中的第三个月。
英语数词练习题
英语数词练习题一、选择题1. 选择正确的数词填空：a) There are _______ days in a week.A. sevenB. eightC. nineb) She has _______ sisters.A. twoB. threeC. fourc) The meeting starts at _______ o'clock.A. eightB. nineC. ten2. 选择正确的数词形式：a) The ba cried for _______ hours last night.A. threeB. thirdC. thirdsb) There are _______ students in the classroom.A. twentyB. twentiethC. twentieths二、填空题1. 填入适当的数词：a) I have _______ apples.b) She is _______ years old.c) The meeting will last for _______ hours.2. 填入适当的序数词：a) The _______ floor is for the administrative office.b) He finished the race in _______ place.c) She is the _______ most beautiful girl in our class.三、改写句子a) There are many book s on the shelf. → There are _______ books on the shelf.b) She has a lot of friends. → She has _______ friends.a) The first prize goes to Tom. → Tom wins the_______ prize.b) I live on the fifth floor. → My apartment is on the _______ floor.四、翻译题a) 我有五个苹果。
英语数词用法及专项练习
英语数词的用法及专项练习数词是表示数量多少或顺序先后的词.分为基数词和序数词.〔一〕基数词1. 表示数量多少的词是基数词，如：one, two, three 等 .2. 数词的构成1〕从 1－ 12分别由从 one到 twelve ， 12个各不相同的词表示.one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve2〕从 13－ 19均以后缀 -teen结尾 .thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen3〕从 20－ 90的整十数词均以后缀-ty结尾 .表示“几十几〞时，个位和十位之间需加连字符. twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety21 twenty-one 32 thirty-two43 forty-three4〕整百数由 1—9加 hundred构成 .100 one (a) hundred500 five hundred5) 整百数和整十数之间由and连接，十位与个位之间要加连字符“-〞.如果十位数为零，那就在百位和个位之间用and连接 .101 one hundred and two 245 two hundred and forty- five6〕千 thousand 百万 million 十亿 billionExercise:写出以下数字12 14 2040 90 19400 60035 783056782、序数词序数词表示排列顺序，如first, second, third 等 .构成规那么：1) 序数词第一、第二和第三为first, second 和 third, 其他序数词的构成是在基数词后加th.例如：six → sixth seven→ seventh→ tenth four→ fourth2) fifth( 第五 )、 eigth ( 第八 )、 ninth ( 第九 )和 twelfth ( 第十二 )在拼法上有变化.first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth3) 二十、三十等基数词变为序数词时,要把 y变成 ie再加 -th.例如：twenty → twentieth forty→ fortiethtwentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth4) 基数词几十几变成序数词时 ,表示几十的数词不变 ,只把表示几的基数词变成序数词 .例如： twenty-one →twenty-first forty- five → forty-fifth5〕 .序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成.例如：1st, 2nd, 3rd, 4th, 21st, 32nd, 40th6)序数词前必须加定冠词 theThe first time I came to China, I liked it very much.我第一次来中国，我就非常喜欢这个国家.The first is always better than the second.第一总是比第二好.She will choose the third. 她将选择第三 .Exercise:把以下基数词改成序数词.one two threefive nine eightfourteen twentythirty-five3.数词的应用1〕时刻的表示法A 、表示几点钟用基数词加可以省略的o'clock5:00 读作 five o'clock 或 fiveB、半点的表示法表示半点钟时，用“钟点数 + thirty或〞“half+ past +钟点数〞表示2: 30 two thirty / half past two8:30 eighty thirty / half past eightyC、“几点几分〞的表示法〔 1〕用“钟点数 +分钟数〞表示7： 10 seven ten 9： 40 nine forty〔 2〕分钟数在 30分钟以内的，用“分钟数+ past +钟点数〞表示，意为“几点过几分“7： 10 ten past seven10:15 fifteen past ten / a quarter past ten〔 3〕分钟数超过 30分钟的，用“〔 60-分钟数〕 + to + 下一个钟点数〞表示，意为“差几分到几点〞10:40 twenty to eleven 2 : 45 fifteen to three / a quarter to threeExercise: 用英语表示以下时间10: 058: 3012:101:155:479:233:5111:496:007:222)编号的表示法编号既可以用序数词,也可用基数词 .the tenth lesson Lesson Ten 第十课the fiftieth page page 50 第五十页有的编号习惯上常用基数词.例如：Room 321( 读作 three two one)321 号房间Tel.No.4013586( 读作 Telephone number four 0 one three five eight six)号码 40135863〕年、月、日的表示法英语中表示日期的顺序通常为月日年或日月年.1、月、日的表示法“月〞用英语中表示月份的名词，“日〞用基数词或序数词表示都可以. 7月 8日 July 8(July eight) / July 8th ( July the eighth)10月 1日 October 1 ( October one) / October 1st ( October the first)2、年的表示法1983 → nineteen eighty-three1700 → seventeen hundred1870 → eighteen seventy2021 → two thousand and eight1601 → sixteen and one或 sixteen hundred and one965 → nine sixty-five3、年、月、日的表示法1986 年9月 1日 September 1st, 1986 / 1st September, 19862021 年8月 8日 August 8, 2021 / 8th August, 2021Exercise:用英语表示以下日期11月 1号2月 10号5月 22号9月 17号10月 3号12 月 19号四、课堂练习1〕根据括号中的数字填写适宜的序数词或基数词〔写单词〕.1、 Bill is 〔 14〕 years old , he is in Class 〔 2〕Grade 〔 6〕 .2、 My birthday is on the 〔 3〕of March .3、 September is the 〔 9〕 month in a year .4、 Which boy is thinner , the 〔 1〕one or the 〔2〕 one ?5、 There are 〔 55〕 students in our class .2〕单项选择( )1． There are ___________ days in a year．A ． three hundred and sixty fiveB ． three hundred and sixty-fiveC． three hundreds and sixty five D ． three hundreds and sixty — five( )2． Danny lives in __________ ．A ． room 404B ． Room 404C ． 404 roomD ． 404 Room( )3． Jim is in __________ ．A ． class one， grade six B． grade one，class sixC． Class One， Grade Six D ． Grade One, Class Six( )4． The bike cost me _________ yuan ．A ． five hundred fortyB ． five hundreds fourtyC． five hundred and forty D ． five hundred fourty( )5． My telephone number is ____________ ．A ． eighty eight two forty four zero nineB ． eight eight two double four O nineC． eighty eight two forty-four zero nine D ． eight eight two four four zero nine ( )6． Is there any food for us _________?A ． tenB ． tenth C． the tenth D ． the ten( )7． Mary is _________ girl ．A. an 8 year old B ． 8一years— oldC． the 8 years old D ． an 8一 year— old( )8．— What day is today? — ___________A ． June B． Tuesday C． It is hot D ． It ’ s fine( )9．— What’ s the date today?— ___________A ． It ’ s SaturdayB． It ’ s JulyC． It ’ s fineD ． It ’ s JuIy 15( )10 ．—What time do you get up every day?A ． It ’ s seven o ’ clockB．Seven o ’ clock timeC． At seven D ． On seven五课后作业1． There are ___________ days in a year．A ． three hundred and sixty fiveB ． three hundred and sixty-fiveC．three hundreds and sixty five D ． three hundreds and sixty— five( )2． Danny lives in __________ ．A ． room 404B ． Room 404 C． 404 room D ． 404 Room( )3． Jim is in __________ ．A ． class one，grade sixB ． grade one， class sixC．Class One，Grade Six D ． Grade One Class Six( )4． The bike cost me _________ yuan ．A ． five hundred fortyB ． five hundreds fourtyC．five hundred and forty D ． five hundred fourty( )5． My telephone number is ____________ ．A ． eighty eight two forty four zero nineB ．eight eight two double four O nine C．eighty eight two forty-four zero nine D ． eight eight two four four zero nine ( )6． Is there any food for us _________?A ． tenB ． tenth C． the tenth D ． the ten( )7． Mary is _________ girl ．A. an 8 year old B ． 8一years— oldC．the 8 years old D ．an 8一 year— old( )8．— What day is today? — ___________A ． June B．Tuesday C． It is hot D ． It ’ s fine( )9．— What’ s the date today?—A ． It ’ s Saturday．BIt ’ s July．CIt ’ s fine．DIt ’ s JuIy 15( )10 ．— What time do you get up every day?A ． It ’ s seven o’ clock．SevenB o’ clock time C．At seven D．On seven。
数词练习题带答案
数词练习题带答案1. 基础数词填空：- 我有一个____（one）苹果。
- 我有____（two）个朋友。
- 我有____（three）本书。
- 我有____（four）个玩具。
答案：- 一个- 两个- 三本- 四个2. 数词转换：- 请将下列数字转换为英文数词。
- 1 - ____ (one)- 2 - ____ (two)- 3 - ____ (three)- 4 - ____ (four)- 5 - ____ (five)答案：- 1 - One- 2 - Two- 3 - Three- 4 - Four- 5 - Five3. 数词排序：- 将下列数词按照从小到大的顺序排列。
- First, Second, Third, Fourth, Fifth答案：- First, Second, Third, Fourth, Fifth4. 数词应用题：- 如果你有5个苹果，你的朋友给你3个苹果，你现在有多少个苹果？答案：- 你有8个苹果。
5. 数词与序数词转换：- 请将下列数词转换为序数词。
- 1 - ____ (first)- 2 - ____ (second)- 10 - ____ (tenth)答案：- 1 - First- 2 - Second- 10 - Tenth6. 数词比较：- 比较下列数词的大小。
- 哪个更大，9 或 12？答案：- 12更大。
7. 数词计算：- 如果你每天学习3个小时，一周（7天）你总共学习了多少小时？答案：- 你一周总共学习了21个小时。
8. 数词与分数：- 将下列数词转换为分数形式。
- 1/2 - ____ (one half)- 1/4 - ____ (one quarter)答案：- 1/2 - One half- 1/4 - One quarter结束语：通过这些练习题，你可以更好地理解和运用数词。
数词不仅在数学中非常重要，也是我们日常生活中不可或缺的一部分。
英语数词专项练习及参考答案
英语数词专项练习一、( ) 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-six二、( ) 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 star三、( ) 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 second四、( ) 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-nine五、( ) 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 morning六、( ) 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: in七、( ) 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 nineth八、( ) 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 Thursday九、( ) 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 fourth十、( ) 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 B9. 1-3 B C A10. 1-5 B B B。
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英语中的数词可分为基数词和序数词两大类。
基数词表示的是人或事物的数目，而序数词表示的是这些数目的顺序。
一、基数词巧记基数词口诀1至12分别记，13至19都带-teen，整十后面要用-ty，连字符用于几十几，百位以上and连。
注释：1. 基数词从1到12是独立的单词，要分别记忆。
如2__________，12__________。
2. 13到19均是在个位数后加-teen构成。
如：13___________，15____________。
3. 20到90表示整十的基数词均是在个位数后加-ty构成。
如：40__________，90__________。
4. 表示“几十几”要在个位数与十位数之间加连字符“-”。
如：59_______________。
5. 表示“几百几十几”要在百位数与十位数之间加and。
如：262________________________。
6. 英语中没有“万”和“亿”这两个数量单位，要按十进位法来推算。
如ten thousand________，ten million___________，一亿____________________。
二、略数表达法1. 当hundred，thousand，million，billion，dozen等前面有具体的数词（one, two, three…）时，后面既不能加s，也不能加介词of。
如：There are ___________________（两千）students in our school.2. hundred，thousand，million，billion，dozen等前面没有具体的数词，则在其后加s和介词of，表不确定的数量或形容数量之多。
如：hundreds of 成百的，好几百hundreds and hundreds of成百上千的thousands of 数以千计的tens of thousands of 千千万万的millions of 数百万的dozens of 许多长城是由数百万石头砌成的。
The Great Wall is made of ________________ stones.3. 若表示特定的数目，可在hundred、thousand后加of。
如：There are seven hundred students in this school. Three hundred of them / the students are girls.该校有700名学生，其中女生有300名。
三、基数词变序数词基变序，有规律，词尾多加th。
一、二、三，特殊记，词尾字母t、d、d。
八减t，九去e，f来把ve替。
逢十改y为ie，后跟th莫忘记。
若想表示几十几，只变个位就可以。
1. 一、二、三的序数词需要特殊记忆：one _________, two___________, three_____________。
2. 八只加h，九去掉e后再加th：eight__________, nine__________。
3. 五和十二先将ve变成f，再加th：five___________, twelve___________。
4. 整十的基数词（10除外），均将y变成ie，再加th：twenty____________, fifty___________。
5. 表示二十以上的基数词只变个位数（整十除外）：thirty-one______________。
6. 其他情况一般都是在基数词词尾加th：four____________, hundred______________。
四、分数的构成与巧读分数是由基数词和序数词组合而成的：分子用基数词，分母用序数词；如果分子大于1，分母则用复数形式。
如：1/2 a / one half（一般不读作a second，因为容易误以为“一秒钟”）1/3 one third 3/5 three fifths 1/ 4 a quarter / one fourth记忆口诀：英语分数不费事，“母序分基”四个字；分子若是大于一，分母还须加s。
【注】分数作主语时，谓语动词的单复数与后面的名词一致：当名词是可数名词复数时，谓语动词用复数；当名词是不可数名词或可数名词单数时，谓语动词用单数。
如：In our class, two fifths of the students ________（is / are）boys.Three fourths / quarters of the meat ________（has / have）gone bad.五、百分数的读法与用法90％读作ninety percent / per cent55％读作fifty-five percent / per cent【注】百分数作主语时，谓语动词也要与后面的名词保持一致。
如：More than 70％of the earth ________（is / are）covered with water.Thirty percent of the students in our class ________（is / are）girls.六、时间表达法时间表达法，英汉有异同；顺读时一样，逆读有不同；先分钟后点钟，half、quarter记心中；三十分钟内，past来使用；超过三十分，to来先前冲。
2:00 two / two o’clock 2:15 two fifteen / a quarter past two2:30 ____________________________ 2:40___________________________时刻表达法1）顺读法：先说小时数，再说分钟数。
8:00 eight (o’clock) 9:05 nine o five7:15 seven fifteen 7:30 seven thirty6:45 six forty-five 6:55 six fifty-five2) 逆读法：先说分钟数，再说小时数①分钟数≤30用“分钟数+ past + 小时数”来表达（即几点过了几分）15分常用a quarter(一刻钟,四分之一)来表示30分常用half(半，一半)来表示9:05 five past nine 8:24 twenty-four past eight7:15 a quarter past seven (fifteen past seven)7:30 half past seven (thirty past seven)②分钟数＞30用“（60-分钟数）+ to + (小时数+ 1)”来表达（即几点差几分）7:31 twenty-nine to eight 8:45 a quarter to nine (fifteen to nine)9:55 five to ten七、年代表达法年代以十记，s加上去；前加介词in，定冠莫忘记。
在20世纪90年代（1990-1999）：in the 1990s或in the 1990’s在19世纪80年代（1880-1889）：______________________________八、年月日表达法1. 年份：大多每两位数一读，但有特殊。
如：1949年读作nineteen forty-nine 1900年读作nineteen hundred1901年读作nineteen o one 2000年读作two thousand2012年读作two thousand and twelve / twenty twelve2. 可以先月后日，日要用序数词。
如：5月1日读作May（the）first，写作May 1st3月8日读作March（the）eighth，写作March 8th3. 也可以先日后月，日也要用序数词。
如：5月2日读作the second of May，写作2nd May3月3日读作the third of March，写作3rd March4. 年份前要用逗号隔开。
如：1949年10月1日，可写作October 1st, 1949或1st October, 19491981年2月8日，可写作____________________________九、年龄段表示法年龄段用“in + 形容词性物主代词+ 数词的复数形式”来表示。
如：in my twenties 在我二十几岁时（20-29）in her sixties在她六十几岁时（60-69）Marx began to learn foreign languages ______________________（在他五十几岁时）. 【注】“十几岁”要用in one’s teens而不是in one’s tens。
十、算式表达法1. 加法：基数词+ and / plus + 基数词+ is + 总数Seven and / plus eight is fifteen.（7+8=15）2. 减法：基数词+ minus + 基数词+ is + 总数Ten minus two is eight.（）3. 乘法：基数词+ times + 基数词+ is + 总数Nine times three is twenty-seven.（）4. 除法：基数词+ divided by + 基数词+ is + 总数Thirty-two divided by four is eight.（）【注】如果问“一加三等于多少”，可用What / How much is one plus three？数词30分自我检测题一、用英语写出下列词组。
1. 两个半小时2. 第三节课3. 第九周4. 在十一月五日5. 数百名警察6. 得了第二十名7. 三十五位学生8. 差一刻三点9. 每日三次10. 在20世纪80年代二、把基数词改为序数词。
onetwothreefiveeightninetwelvefourteentwentytwenty-oneforty-fourninety-six三、单项选择。
（）21. —What’s the time, please?—It’s _______.A. nine thirty-fiveB. forty-eight past sixC. fifty-five to fourD. thirty-one two （）22. January is _______ month of the year.A. oneB. the oneC. firstD. the first（）23. There are _______ days in a year.A. three hundreds sixty-fiveB. three hundred and sixty-fiveC. the third hundred sixty-fiveD. third hundred and sixty-five（）24. The computer was cheap. I spent only two _______ yuan on it.A. thousandsB. thousandC. thousands ofD. thousand of（）25. Please look at the following four pictures and write a _______ story about them.A. one-hundred-wordB. one-hundred-wordsC. one-hundreds-wordD. one-hundreds-words（）26. —On which floor do you live?—The _______ floor, and my room number is _______.A. fifth; five zero twoB. fifth; five zero secondC. five; five zero secondD. five; five zero two（）27. In our city people have moved into their new houses.A. thousandB. thousandsC. thousands ofD. many thousand（）28. Now children, turn to page _______ and look at the _______ picture in Lesson Two.A. twentieth, oneB. twenty, oneC. twentieth, firstD. twenty, first（）29. _____ girls took part in the Super Girl Competition but only few of them succeeded.A. One million ofB. Thousands and millionsC. Millions ofD. Two millions（）30. This is a big class, and ___________ of the students are girls.A. two thirdB. second threeC. two thirdsD. two three参考答案1. two hours and a half / two and a half hours2. the third class3. the ninth week4. on November (the) fifth / on the fifth of November5. hundreds of policemen6. be / get / come in twentieth7. thirty-five students / pupils8. a quarter to three / 2:459. three times a day 10. in / during the 1980s / 1980’s21-25 ADBBA 26-30 ACDCC附：2012年中考有关数词的考查（）1.（2012山东济南）I'm 13 years old and my sister is 15 years old. So my sister is ______ years older than me.A. oneB. twoC. threeD. four（）2.（2012黔西南）________ visitors come to Xingyi during May Day holidays every year. A. Thousands of B. Two thousands C. Thousand of D. Thousand（）3.（2012广东）—How was your weekend?—Great! It was my grandfather's _______ birthday. We enjoyed ourselves.A. seventyB. seventiethC. the seventiethD. seventeenth（）4.（2012贵州铜仁）About ____of the students in Grade Nine this year were born in the_____.A. three five; 1996.B. three fifths; 1990sC. third fifth; 1997.D. third fifths; 1990s（）5.（2011湖北恩施）He wrote his ______ novel when he was ______.A. five; fiftiesB. fifth; fiftyC. fifth; fiftiethD. five; fifty（）6.（2012湖北随州）May is the _____ month of a year.A. fiftyB. fifteenC. fifthD. five（）7.（2012湖北宜昌）—Our school is going to hold the Culture Festival.—I see. And we can take part in activities.A. tenth; tenthB. ten; tenthC. tenth; tenD. ten; ten（）8.（2012江苏连云港）—The volunteers sent books to a mountain village school on Children’s Day.A. two hundreds ofB. two hundred ofC. two hundredsD. two hundred（）9.（2012江苏苏州）The chairperson received about three ______ applications to join the Bird Watching Club.A. hundredB. hundreds ofC. hundred ofD. hundreds（）10.（2012江苏无锡）The action film has attracted millions of young people to the cinema.A. 130-minuteB. 130-minutesC. 130 minuteD. 130 minutes（）11.（2012江苏镇江）Some word puzzles in this book are ____ difficult that _____ students can solve them.A. such; fewB. such; littleC. so; fewD. so; little（）12.（2012山东聊城）Please turn to page _____ and look at the _____ picture in this unit. A. twentieth; one B. twenty; one C. twentieth; first D. twenty; first（）13.（2012 山东临沂）Did you know that the earth is home to _____animals?A. millionB. millionsC. million ofD. millions of（）14.（2012四川达州）—Is there in today’s magazine?—Yes. Premier Wen Jiabao saw “stay-home children” May, 25th.A. anything special; hundreds of; onB. something special; hundred of; atC. special anything; hundreds; onD. anything special; hundreds of; in（）15.（2012四川凉山）There are_______ teachers in our school, _____of them are women teachers.A. two hundreds; three fourthB. two hundred; three fourthsC. two hundred; three forths（）16.（2012四川宜宾）If a = 3 and b = 4, what’s the answer to the problem: a + b + 1 = ? The answer is ______.A. twelveB. nineC. eightD. seven（）17.（2012四川宜宾）—Would you like to have _____ apples?—No, thank you. I’ve had enough.A. other twoB. another twoC. more twoD. two others（）18.（2012浙江杭州）We have two ears and one mouth so that we can listen____we speak.A. as twice much asB. twice as much asC. as much as twiceD. as much twice as（）19.（2012六盘水）There are _____days in a week and Tuesday is ____ day of' the week.A. seven ,thirdB. seven ,the thirdC. seventh ,threeD. the seventh, three（）20.（2012邯郸模拟）My uncle bacame a teacher in his _________.A. twentyB. twentiethC. twentiesD. twentieths21.（2012滨州市）September is the ______ (九) month of a year．22.（2012扬州市）Yesterday was Father’s Day and it was my cousin’s ________ (二十)birthday.23.（2012苏州市）My grandma is in her __________ (八十多岁), but she can still take care of herself.24.（2012宁波市）It has been the _________ (第十) day since we climbed the Great Wall.25.（2012 桂林市）There are f_______ seasons in a year.26.（2012 广西来宾市）My aunt lives on the ___________(第五) floor of the tall building.27.（2012 无锡市）The London Olympic Games, the _________ (三十）summer games in historywill open on July 27th, 2012.28.（2012 日照市）Thursday is the f________ day of a week.29.（2012 广西柳州市）I’ve lived in Liuzhou for ___________(十) years.30.（2012 广西北海市）The smart boy could count from one to ___________ (五十) when he wastwo years old.31.（2012 四川遂宁市）___________(千) of Japanese people lost their lives in the earthquake in 2011. Chinese people try their best to help them.32.（2012 宁夏）Our team won the ___________(第二名) prize in the competition.33.（2012 广西崇左市）There are ___________ (五十二) weeks in a year.34.（2012 广西梧州市）Li Hua plays the piano t_________ a week.35.（2012 兰州市）The have planted about five _________（千）trees in and around the town inthe past few years.36.（2012 南京市）It’s the ______(第一) time for Nanjing to hold the Asia Bike Show. It is sure tobe a great success.37.（2012 苏州市）It’s my cousin’s _______________ (第二十三个) birthday next week.38.（2012 苏州市）We visit the home for the elderly _________（一次）a month.39.（2012 济宁市）This is our Art Room. Yours is on the _________(三) floor.40.（2012 四川广安市）Tom will hear from his parents this__________(星期二）.参考答案1-5 BABBB 6-10 CCDAA 11-15 CDDAB 16-20 CBBBC21. ninth 22. twentieth 23. eighties 24. tenth 25. four26. fifth 27. thirtieth 28. fifth 29. ten 30. fifty31. Thousands 32. second 33. fifty-two 34. twice 35. thousand36. first 37. twenty-third 38. once 39. third 40. Tueaday。