1、精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載數(shù)詞講解專項(xiàng)練習(xí)1數(shù)詞的講解一.定義：表示數(shù)目或次序二.分類：分為基數(shù)詞和序數(shù)詞兩種；表示數(shù)目或數(shù)量多少的詞叫基數(shù)詞；表示數(shù)目次序的詞叫序數(shù)詞；三.基數(shù)詞的構(gòu)成：1）1-12 的基數(shù)詞為獨(dú)立的單詞,即：one,two,three,four,five,six,seven,eight, nine, ten, eleven, twelve；2）13-19 的基數(shù)詞以 -teen結(jié)尾； 如： fourteen,seventeen等,但 13 ,15 ,18 較特殊,13 thirteen、 15 fifteen、 18 eighteen；3）20-90

2、 的整十位均以-ty 結(jié)尾；如：sixty,ninety,但 20 ,30 ,40 , 50 ,80 較特殊,20 twenty、 30 thirty、 40 forty、 50 fifty、 80 eighty；4）十位數(shù)與個(gè)位數(shù)之間要加連字符號"-",如： 28-twenty-eight, 96-ninety-six；5）百位和十位（如無十位就和個(gè)位）之間加and,如：148 one hundred and forty-eight 406 four hundred and six6） hundred（百）, thousand（千）, million（百萬）, billi

3、on（十億）等前面即使有 詳細(xì)的數(shù)詞, several、 some、 many也不能在它們的后面加-s ；如：six hundred , eight million；假如表示不確定數(shù)目時(shí),用hundreds of /thousands of /millions of /billions of +名詞復(fù)數(shù) 、 前面不能再加數(shù)字；7）1000 以上的數(shù)字, 從后往前數(shù)每三位加一個(gè)逗號" ," 第一個(gè)逗號前為千（ thousand）,其次個(gè)逗號前為百萬（million）,第三個(gè)逗號前為billion（十億）；英語中無“萬 ”這個(gè)詞,我們可以用 " 幾十個(gè)千（ thous

4、and） " 表示幾萬," 幾百個(gè)千（thousand） " 表示 " 幾十萬 " ；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；四.序數(shù)詞的構(gòu)成：1）序數(shù)詞一般為以與之相應(yīng)的基數(shù)詞尾加-th 構(gòu)成,如：fourth、 tenth、但以下的這些基數(shù)詞

5、變?yōu)樾驍?shù)詞時(shí),有特殊之處；one first、 two second、 three third、 five fifth、 nine ninth、 twelve twelfth2）以_ty結(jié)尾的單詞,要先變 y 為 i、 在加 -eth.；如： thirty thirtieth、 fifty fiftieth 3）以 one、 two、 three等結(jié)尾的多位數(shù)詞,要將個(gè)位數(shù)變成序數(shù)詞；如：twenty-one twenty-first、 one hundred and one one hundred and first留意： 序數(shù)詞前常用定冠詞,有時(shí)仍可以用不定冠詞a/an就表示"

6、又一" 的意思；（沒有詳細(xì)范疇的限制）如：mr. brown has a second car.布朗先生另外仍有一輛車；he has tried a second time.他又嘗試了一次；五.數(shù)詞的應(yīng)用1 時(shí)刻的表示:小時(shí).點(diǎn)鐘.分鐘.秒鐘要用基數(shù)詞； “幾點(diǎn)鐘 ”用基數(shù)詞加o'clock；o'clock可省略；如 :5 點(diǎn)鐘-five o'clock “幾點(diǎn)過幾分 ” 、分30鐘" 用介詞past；如 :7:15 fifteen/ a quarter past seven 7:30 half past seven精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - -

7、- 歡迎下載學(xué)習(xí)必備歡迎下載 “差幾分幾點(diǎn) ”用介詞"to"；如 :7:40 twenty to eight 7:45 fifteen / a quarter to eight； 日常生活中的時(shí)間讀法經(jīng)常簡化、直接按基數(shù)詞的次序讀；如: 7:05 seven o five 7:15 seven fifteen；2 年月日的表示: 年份用基數(shù)詞、如:1999 年 nineteen ninety-nine 1900年 nineteen hundred 2000 年 two thousand 1905年 nineteen o five; 年用基數(shù)詞、 日用序數(shù)詞；如:1998 年

8、6 月 8 日寫作 :june 8、 1998;讀作 :june theeighth、 nineteen ninety-eight或 the eighth of june、 nineteen ninety-eight；3 世紀(jì).歲月表示法、如 : 在 90 歲月in the nineties在 19 世紀(jì)in the nineteenth century 在 18 世紀(jì)30 歲月in the 1730s或in the 1730's4 編號的表示: 基數(shù)詞放到名詞的后邊、 該名詞一般要大寫;序數(shù)詞放到名詞的前面、加定冠詞； lesson 1/ the first lesson第一課row

9、 3/ the third row第三排 bus no. 3=the no. 3bus 3路公共汽車； 表示住宅時(shí)不用no . 如:room 302讀作 :room three o two 302房間； 假如編號的數(shù)詞比較長、一般用基數(shù)詞；如:page 457第 457 頁 ； 電話號碼 、用基數(shù)詞 、如 :3855633-three eight double five six double three；5 分?jǐn)?shù)的表達(dá):分子用基數(shù)詞、分母用序數(shù)詞、分子大于"1" 、 分母就加"s"；如 : 1/3 one third 2/3two thirds1/2 a

10、 / one half 1/4one fourth或 a/ one quarter3/4 three fourths或 three quarters6表示有小數(shù)的詞用基數(shù)詞、如:5.5 five point five12.135 twelve point one three five7 表示百分?jǐn)?shù)、如:5 :five percent 0.8 zero point eight percent留意 :分?jǐn)?shù).百分?jǐn)?shù)與主謂一樣當(dāng)分?jǐn)?shù).百分?jǐn)?shù)修飾可數(shù)名詞的復(fù)數(shù)時(shí) 、 謂語動(dòng)詞用復(fù)數(shù)形式;當(dāng)分?jǐn)?shù).百分?jǐn)?shù)修飾不可數(shù)名詞時(shí) 、謂語動(dòng)詞用單數(shù)形式；如 :eighty percent of the student

11、s in our school come from henan.我們學(xué)校百分之八十的同學(xué)來自河南；精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載three fourths of the students in my class are interested in english.我們班四分之三的同學(xué)對英語感愛好；two thirds of the water on the earth is sea water.地球上三分之二的水為海水；8 其他用法 、如: 基數(shù)詞 + 單數(shù)名詞 + 形容詞構(gòu)成合成形容詞；如: a five-year-old boy一個(gè)五歲的男孩an 800-m

12、etre-long bridge一座800 米長的橋girls 4-m00etre relay race女子400 米接力 詳細(xì)數(shù)詞 +metre s /kilometre s /kilo s long /high /tall /deep / away等；如 : the changjiang river is 6、 300 kilometres long.長江長6300 公里； 表示 “幾十歲 ”用基數(shù)詞的復(fù)數(shù)形式、如: in his thirties在他三十幾歲時(shí) 倍數(shù)的表達(dá):一倍用once 、 兩倍用twice 、 兩倍以上用基數(shù)詞+times；如 : five times 5倍補(bǔ)充 :倍

13、數(shù)的表示法:1. 表示 “幾倍大小 長短 ;數(shù)量 ”由、“倍數(shù)+ the sizelength、 amount width age height. +of”結(jié)構(gòu)組成；如:the earth is forth-nine times the size of the moon.地球的大小為月亮的四十九倍；精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載2. 表示 “ 、比、 大幾倍 ”由、“倍數(shù)+形容詞 副詞 比較級+ than + 被比較部分”結(jié) 構(gòu)組成；如:精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載this box is three times bigger than that one.這個(gè)箱

14、子比那個(gè)箱子大三倍； 這個(gè)箱子為那個(gè)箱子的四倍；數(shù)詞練習(xí) 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. nine-hundred-wordd. nine-hundreds-words 3. people lost their homes in japan

15、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 thousand of 5. about of the students in our class were born in the .a. two-thirds、 1990sb

16、. 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 question“ a + 2ab +1 =.”a. forty-fifth b.forty-five精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載c. twenty-th

17、ree 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.a. three five b. three fives c. thirds fifths d.three fifths 10.tomorrow is the boy s birthday.a. seventhb. seven c. sevente

18、en 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. twice c.secondd. three 13. _of the land is covered with trees and grass in pingji

19、ang、 yueyang.a. three fives b. three fifthsc. three fifth d. threes fifth 14. september is month of the year.a. ninth b. nine c. the nine d.the ninth 15. how was your day off yesterday. perfect. it was my grandma s birthday. we had a big cake.a. eighty b.eightiethc. the eightieth d. the eightieth 16

20、. excuse me、 how can i get to the museum. sorry. it's my time to be here.a. one b.first c. once d.two 17.you can see if you go out at night.a. million stars b. thousand of starsc. hundreds starsd.million of stars 18. is this your visit to my hometown、 zunyi. no. i ve been here for many times.a.

21、one b.the firstc. first d. twice 19.more than ninestudents are doing sports 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 piece

22、s of bread.a. a cup of mild half b.half a cup of milkc. a half milk cup d. half a milk cup 22. the government of chongqing is building cheap and good houses for the people.a. thousand b. thousands c. thousand of d.thousands of精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載 1. there are about students in our school.

23、a. two thousand of b. two thousands c. two thousands of d. two thousand 2. there are students in our grade.a. three hundreds and forty-five b. three hundred and forty fivec. 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

24、 seven 4. please come to my office .a. at half past eight b. 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. i

25、n october 27、 1984c. on 27、 1984 october d. on october 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

26、half and one year 9. tomorrow we are going 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 marchc. twenty-two in march d. the twenty-second of march 11. letter of the word“ restaurant”

27、 is“ n”.a. the nineth b. nineth 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.精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載a. three fifteen b. three and fifteen c. three quarters d. fifty to three 14. the earth is the

28、size of the moon.a. 49 the times b. 49 times 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 eve

29、ry student wants b. no every student wantc. 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 t

30、he earth.a. one 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 ju

31、ly d. a 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.a. li

32、ttle b. lot c. lots d. little of 25. this is .a. the question thirty b. the question thirteen c. thirty question d. question thirteen精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載 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. thir

33、ty 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. yes、 i have to w

34、rite 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 ninety 33. there are stude

35、nts 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 hundreds metre 35. december is and last month i

36、s 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 twentieth c. twenties d. twentieth 39. in the forties、 his

37、father served in the new arm（y 新四軍）、while this mother精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載worked in the route army（.八路軍）精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載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 a

38、nd 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. one or two days b. a o

39、r 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. thousands of c. ten thousands of d

40、. ten thousand of 46. what is the time. it s4_:2_5_ .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 his .a. fifty b. fiftieth c. fifties d. fifth 49. h

41、is 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 twenties 51. i m than you.a. five years older b. fifteen year old c

42、. fifteen years d. fifteen old精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載學(xué)習(xí)必備歡迎下載 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 not sure.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 55. they planted trees