初中英语数词专项

1、WORD格式数词讲解专项练习1 数词的讲解一、定义：表示数目或顺序二、分类：分为基数词和序数词两种。表示数目或数量多少的词叫基数词；表示数目顺序的词叫序数词。三、基数词的构成：专业资料整理WORD格式11-12的基数词是独立的单词，即：one，two，three，four，five，six，seven，专业资料整理WORD格式eight， nine， ten， eleven， twelve。专业资料整理WORD格式213-19 的基数词以 -teen结尾。如：13 thirteen, 15 fifteen, 18 eighteen。fourteen，seventeen等，但13 ，15 ，18

2、较特殊，专业资料整理WORD格式320-90的整十位均以-ty结尾。如：sixty，ninety，但20，30 ，40 ， 50，80较特殊，专业资料整理WORD格式20 twenty, 30 thirty, 40 forty, 50 fifty, 80 eighty。专业资料整理WORD格式4十位数与个位数之间要加连字符号"-"5百位和十位假设无十位那么和个位之间加，如： 28-twenty-eightand，如：， 96-ninety-six。专业资料整理WORD格式148 one hundred and forty-eight406 four hundred and

3、six6 hundred百， thousand千， million百万， billion十亿等前面即使有具体的数词， several, some, many也不能在它们的后面加-s 。如：six hundred ， eight million。如果表示不确定数目时，用hundreds of /thousands of /millions of /billions of +名词复数 , 前面不能再加数字。71000 以上的数字， 从后往前数每三位加一个逗号" ，" 第一个逗号前为千thousand，第二个逗号前为百万million，第三个逗号前为billion十亿。英语中无“

4、万 这个词，我们可以用 " 几十个千 thousand" 表示几万，" 几百个千thousand" 表示 " 几十万 " 。如： 2 ， 510 two thousand five hundred and ten84 ， 296 eighty-four thousand two hundred and ninety-six274 ， 350 two hundred and seventy-four thousand three hundred and fifty。专业资料整理WORD格式四、序数词的构成：专业资料整理WORD格式1序数

5、词一般是以与之相应的基数词尾加-th构成，如：fourth, tenth,但以下的这些基数专业资料整理WORD格式词变为序数词时，有特别之处。专业资料整理WORD格式One2 first, two second, three以 _ty 结尾的单词，要先变 third, five fifth, nine ninth, twelve twelfthy 为 i, 在加 -eth.。如： thirty thirtieth, fifty fiftieth专业资料整理WORD格式3以one, two, three等结尾的多位数词，要将个位数变成序数词。如：专业资料整理WORD格式twenty-one tw

6、enty-first, one hundred and one one hundred and first专业资料整理WORD格式注意： 序数词前常用定冠词，有时还可以用不定冠词a/an那么表示" 又一" 的意思。没专业资料整理WORD格式有具体X围的限制如：专业资料整理WORD格式Mr. Brown has a second car.布朗先生另外还有一辆车。专业资料整理WORD格式He has tried a second time.他又尝试了一次。专业资料整理WORD格式五、数词的应用专业资料整理WORD格式1) 时刻的表示 :小时、点钟、分钟、秒钟要用基数词。 “几点

7、钟 用基数词加o'clock。o'clock可省略。如 :5 点钟-five (o'clock ) “几点过几分 ,分30钟" 用介词past。如 :7:15 fifteen/ a quarter past seven 7:30 half past seven专业资料整理WORD格式 “差几分几点 用介词"to"。如:专业资料整理WORD格式7:40 twenty to eight 7:45fifteen / a quarter to eight。专业资料整理WORD格式日常生活中的时间读法常常简化,直接按基数词的顺序读。如:7:05 se

8、ven o five 7:15 seven fifteen。2) 年月日的表示 :专业资料整理WORD格式 年份用基数词,如:专业资料整理WORD格式19992000年 nineteen ninety-nine 1900 年 two thousand 1905 年年 nineteen hundrednineteen o five;专业资料整理WORD格式 年用基数词, 日用序数词。如:1998年6 月8日写作:June 8, 1998;读作:June the专业资料整理WORD格式eighth, nineteen ninety-eight或the eighth of June, ninetee

9、n ninety-eight。专业资料整理WORD格式3) 世纪、年代表示法 ,如 :(在) 90年代(in) the nineties( 在 ) 19世纪 (in) the nineteenth century(在) 18世纪30 年代 (in) the 1730s或 in the 1730's4) 编号的表示 :基数词放到名词的后边, 该名词一般要大写 ;序数词放到名词的前面,加定冠词。 Lesson1/ the first lesson 第一课 Row 3/ the third row第三排Bus No. 3=the No. 3bus 3路公共汽车。表示住所时不用No . 如 :

10、Room 302 读作 :room three o two 302房间。如果编号的数词比较长,一般用基数词。如:Page 457 第 457页。 ,用基数词 ,如 :3855633-three eight double five six double three。5) 分数的表达 :分子用基数词 ,分母用序数词 ,分子大于 "1" , 分母那么加 "s" 。如 :1/3 one third 2/3two thirds1/2 a / one half 1/4one fourth或 a/ one quarter3/4 three fourths或 three

11、 quarters6) 表示有小数的词用基数词 ,如 : 5.5 five point five12.135 twelve point one three five7) 表示百分数 ,如 :专业资料整理WORD格式5:five percent 0.8zero point eight percent专业资料整理WORD格式注意 :分数、百分数与主谓一致专业资料整理WORD格式当分数、百分数修饰可数名词的复数数名词时 ,谓语动词用单数形式。如 :时,谓语动词用复数形式;当分数、百分数修饰不可专业资料整理WORD格式Eighty percent of the students in our scho

12、ol come from Henan.我们学校百分之八十的学生来自*。专业资料整理WORD格式Three fourths of the students in my class are interested in English.我们班四分之三的学生对英语感兴趣。Two thirds of the water on the earth is sea water.地球上三分之二的水是海水。8) 其他用法 ,如 :专业资料整理WORD格式 基数词+ 单数名词+ 形容词构成合成形容词。如:专业资料整理WORD格式a five-year-old boy一个五岁的男孩an 800-metre-long

13、bridge一座800 米长的桥girls 400-metre relay race女子400 米接力专业资料整理WORD格式 具体数词+metre (s )/kilometre (s )/kilo (s ) long /high /tall /deep / away等。如:专业资料整理WORD格式The Changjiang River is 6, 300 kilometres long.长江长6300公里。专业资料整理WORD格式 表示 “几十岁 用基数词的复数形式,如:专业资料整理WORD格式in his thirties在他三十几岁时专业资料整理WORD格式 倍数的表达:一倍用once

14、 ,两倍用twice ,两倍以上用基数词+times。如: five times 5倍专业资料整理WORD格式补充 :倍数的表示法1. 表示“几倍大小:(长短 ;数量)由,“倍数+ the size(length, amount width age height.) +of专业资料整理WORD格式构造组成。如:专业资料整理WORD格式The earth is forth-nine times the size of the moon.地球的大小是月亮的四十九倍。专业资料整理WORD格式2. 表示“比, , 大几倍由, “倍数 +形容词 (副词 )比较级 + than + 被比较局部构造组成。如

15、 :This box is three times bigger than that one.这个箱子比那个箱子大三倍。(这个箱子是那个箱子的四倍。)数词练习专业资料整理WORD格式( ) 1. Every year, _ people go to visit their factoryA. a thousand of B thousands C. thousand ofD. thousands of( ) 2. Tom has just finished writing a _ article.A. nine-hundred-words B. nine-hundreds-wordC. nin

16、e-hundred-wordD. nine-hundreds-words( ) 3._ people lost their homes in Japan s earthquake.A. Two thousands B. ThousandC. Thousands ofD. Thousand of( ) 4. Last year, I visited a chemical factory in Baise, there are about _ workers in it.A.six thousands B.six thousandC. six thousands of D. six thousan

17、d of( ) 5. About _of the students in our class were born in the_.A. two-thirds, 1990sB. two-thirds, 1990C. two-third, 1990s D. two-third, 1990( ) 6. Nowadaysof business letters are written in English.A. two third B.two thirdsC. two three C. second three( ) 7. If a=4, b=5, what s the answer to the qu

18、estion“ a + 2ab +1 ="专业资料整理WORD格式专业资料整理WORD格式A. Forty-fifth B.Forty-five专业资料整理WORD格式C. Twenty-three D. One hundred and twenty-one( ) 8. How often do you exercise" _a week.A. Two B. Twice C. Second D.Three( ) 9. The teacher said that_ of the boys would take part in the talent show.( ) 10.To

19、morrow is the boy s _ birthday.A. seventh B. seven C. seventeen D. a seventh( ) 11. Which is the biggest number of the four" .A . One-third B .Two-thirdsC . A half D . A quarter( ) 12. Excuse me, where can I buy a jacket" You can go to the Men's Wear Section on the_ floor.A. two B. twi

20、ce C.secondD. three( )13. _of the land is covered with trees and grass in Pingjiang, Yueyang.( ) 14. September is _ month of the year.( ) 15. How was your day off yesterday" Perfect! It was my grandma s _ birthday. We had a big cake.A. eighty B. eightieth C. the eightieth D. the eightieth( ) 16

21、. Excuse me, how can I get to the museum" Sorry. It's my_ time to be here.( ) 17.You can see _ if you go out at night.( ) 18. Is this your _ visit to my hometown, Zunyi" No. I ve been here for many times.A. one B. the first C. first D. twice( ) 19.More than ninestudents are doing sport

22、s now.A .hundreds B.hundred ofC. hundred D. hundreds of( ) 20. Now, everybody, please turn to Page _ and look at the_picture. A. Fifth; five B.Five; fifthC. Fifth; fifth D. Five; five( )21. For breakfast, I usually have_ and two pieces of bread.A. a cup of mild half B.half a cup of milkC. a half mil

23、k cup D. half a milk cup( ) 22. The government of Chongqing is building_ cheap and good houses forthe people.A. thousand B. thousands C. thousand of D.thousands of专业资料整理WORD格式( ) 1. There are about _ students in our school.A. two thousand of B. two thousands C. two thousands of D. two thousand ( ) 2

24、. There are _ students in our grade.A. three hundreds and forty-five B. three hundred and forty five C. three hundred forty-five D. three hundred and forty-five( ) 3. Sunday is _ day of the week.A. the first B. one C. he seventh D. the seven( ) 4. Please come to my office _.A. at half past eight B.

25、at half passed either C. in half past eight D. on half past eight ( ) 5. If you want to go to the cinema, take _.A. bus No. the ninth B. the No. 9 bus C. No. 9 the bus D. No. the ninth bus ( ) 6. The Greens came to China _. A. in 1984 October 27 B. in October 27, 1984C. on 27, 1984 October D. on Oct

26、ober 27, 1984( ) 7. The story took place in _.A. nineteen centuries B. nineteen centuryC. the nineteenth century D. nineteenth century( ) 8. I was told they would stay in China for _.A. one and a half years B. one and a half yearC. one and half years D. one half and one year( ) 9. Tomorrow we are go

27、ing to learn _.A. Lesson Second B. the Lesson Two C. Lesson Two D. second lesson ( ) 10. I think that the first day of spring is _.A. twenty-two of March B. twenty-second on March C. twenty-two in March D. the twenty-second of March()11._ letter of the word“ restaurantis “ n.A. The nineth B. Nineth

28、C. The ninth D. Ninth()12.We talked for _.A. half a hour B. half hour C. an hour half D. half an hour()13.The bus will leave at _ this afternoon.专业资料整理WORD格式A. three fifteen B. three and fifteen C. three quarters D. fifty to three ( ) 14. The earth is _ the size of the moon.A. 49 the times B. 49 tim

29、es C. 49 time D. fourty-nine times( ) 15. It s a _ ruler.A. two-feet-long B. two feet long C. two-foot-long D. two-foot-long( ) 16. _ students are planting trees.A. Several hundreds B. Several hundred C. Five hundreds D. Five hundred of ( ) 17. _ to finish quickly.A. No every student wants B. No eve

30、ry student want C. Not every student wants D. Not every student want( ) 18. _ ago, our country was covered by thick forests.A. Several million of year B. Several million yearC. Several million years D. Several million of years( ) 19. The weight of the moon is only about _ of that of the earth.A. one

31、 eighty B. one of eighty C. one the eightieth D. one eightieth()20.It s 11:45. Yes, it s _.A. fifteen past twelve B. fifteen from twelveC. a quarter past eightieth D. a quarter to twelve()21.What date is it" It s _.A. July twentieth-first B. of July twenty-firstC. the twenty-first of July D. a

32、quarter to twelve()22.- _, please" - It was April 25th.A. How old are you B. What was the date yesterdayC. What time was it D. What day is it today()23.I have _ things to do. I can.t playA. many, no more B. a lot of, any more C. much, more D. much, any more ( ) 24. I have a _ paper on my desk.

33、A. little B. lot C. lots D. little of( ) 25. This is _.A. the question thirty B. the question thirteen C. thirty question D. question thirteen专业资料整理WORD格式( ) 26. _ of the work has been done.A. Two third B. Two three C. Two thirds D. Two third()27.It s _ now. Let s hurry.A. half passed six B. thirty

34、passed six C. half pass six D. half to seven()28.What s the date today" It s _.A. the June fourth B. the fourth of June C. of June the fourth D. fourth June( ) 29. Next week we re going to lean _.A. unit 5 B. the unit 5 C. Unit 5 D. 5 Unit( ) 30. Do you have much work to do this weekend" Y

35、es, I have to write a _paper.A. two-thousand-word B. two-thousand-wordsC. two-thousands-word D. two-thousands-words( ) 31. The tree is _ tall.A. forteen feet B. fourteen feet C. fourteen foot D. fourty foot ( ) 32. Fifty plus _.A. fourty is ninety B. forty is ninety C. thirty is ninety D. fourty is

36、ninety ( ) 33. There are _ students in this school. A. four hundred fifty-two B. four hundreds fifty-twoC. four hundred and fifty-two D. four hundred and fifty two ( ) 34. My home is about _ away from the school. A. three hundred metre B. three hundreds metresC. three hundred metres D. three hundred

37、s metre( ) 35. December is _ and last month is a year.A. the twelveth B. twelveth C. the twelfth D. twelfth( ) 36. _ of the teachers in the school are from colleges.A. Three quarters B. Two-third C. Two fifth D. Two-nineths ( ) 37. There are two world wars during _ century. A. the twenties B. the tw

38、entieth C. twenties D. twentieth( ) 39. In the forties, his father served in the New _ Army新四军,while thismother专业资料整理WORD格式worked in the _ Route Army.八路军A. the twenty-first lesson B. Lesson Twenty FirstC. the 21th lesson D. Lesson 21th( ) 40. He will stay here for _.A. one and half month B. one and

39、a half monthC. one months and half D. one and a half months( ) 41. - What s the date today"- It s _.A. nine B. Monday C. June 5 D. 11:00( ) 42. - Would you like to eat _ apples" - No, thank you.A. more two B. two more C. two another D. two else ( ) 43. He said he would come back in _.A. on

40、e or two days B. a or two days C. one and two days D. a day and two ( ) 44. - How often do you write to your parents abroad" - _. A. Twice a month B. Second times a monthC. A second time a month D. Second a time a month( ) 45. _ people died in the traffic accidents in the world.A. Thousand of B

41、. Thousands of C. Ten thousands of D. Ten thousand of( ) 46. What is the time" It s(4:25)_.A. four twenty-five B. four past twenty-five C. twenty-five to four D. four twenty five( ) 47. Mr. Smith lives on _ floor.A. fiveth B. fifth C. the fiveth D. the fifth( ) 48. He began to learn English in

42、his _.A. fifty B. fiftieth C. fifties D. fifth( ) 49. His sister was born _.A. in 1998, October 21 B. on 1998, October 21C. in October 21, 1998 D. on October 21, 1998( ) 50. When he was _, he left home to work in different cities.A. in his twenty B. at his twenty C. in his twenties D. at his twentie

43、s ( ) 51. I m _ than you.A. five years older B. fifteen year old C. fifteen years D. fifteen old专业资料整理WORD格式( ) 52. - How old are you" -I m_.A. fifteen years old B. fifteen year old C. fifteen years D. fifteen old( ) 53. - How many teachers are there in your school"- _, but I m notsure.A. Hundreds B. Hundred C. Hundreds D. One hundred( ) 54. About _ of the books in our school library are written in Chinese.A. four-fifth B. four-fifths C. fourth-fifths D. fourths-fifth