九年級(jí)英語(yǔ)第二輪復(fù)習(xí)數(shù)詞

1、 表示數(shù)目多少或順序多少的詞叫數(shù)詞，數(shù)詞分為基數(shù)詞和序數(shù)詞。表示數(shù)目多少的數(shù)詞叫基數(shù)詞；如：twenty, one hundred等; 表示順序的數(shù)詞叫序數(shù)詞。如：second, thirty-first等。 考點(diǎn)二 序數(shù)詞的構(gòu)成 序數(shù)詞一般是以與之相應(yīng)的基數(shù)詞尾加-th構(gòu)成，例如 fourth, tenth,但以下的這些基數(shù)詞變?yōu)樾驍?shù)詞時(shí)，有特別之處。 1. onefirst , twosecond , threethird , fivefifth , nineninth , twelvetwelfth 2. 以-ty結(jié)尾的單詞，要先變y為i, 再加-eth. 如： thirty thirt

2、ieth , fiftyfiftieth 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-onetwenty-first one hundred and oneone hundred and first 具體變化如下表所示：考點(diǎn)三 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。 2. 年月日的表示（1）“年份”用基數(shù)詞。如： 1999年nineteen ninety-nine；1900年nineteen hundred； 2000年(the year)two thousand； 1905年nineteen o five；（

3、2）“年”用基數(shù)詞，“日”用序數(shù)詞。如： 1998年6月8日 寫作：June 8，1998； 讀作：June the eighth, nineteen ninety-eight或the eighth of June, nineteen ninety-eight （3）12個(gè)月份的寫法( ) 3. Five to Five is _. A. 5:05 B.4:05 C. 4:55 D. 5:55( ) 4. Whats the English for 8:30? A. eight and thirty B. eight to thirty C. half past eight D. half e

4、ight( ) 5. The book came out _. A. on May, 2009 B. in May 2009 C. at 2009, May D. for May, 2009( ) 6. Jack was born _. A. in 1975, May 1B. on May 1, 1975 C. at May 1, 1975D. on 1975, May 13. 世紀(jì)、年代表示法(在)90年代 (in) the nineties(在)19世紀(jì) (in) the nineteenth century (在)18世紀(jì)30年代 (in) the1730s或1730s4. 表示“在某人

5、幾十幾歲”時(shí)，用基數(shù)詞的復(fù)數(shù)形式。如: in his thirties在他三十幾歲時(shí)5編號(hào)的表示(1)Lesson One the first lesson 第一課 Line Three = the third line 第3列(2)Bus No.3 the No.3 bus 3路公共汽車(3)表示住所時(shí)不用“No”。如： 302房間Room 302(讀作:room three o two);(4)如果編號(hào)的數(shù)詞比較長(zhǎng)，一般用基數(shù)詞。如： Page 457 第457頁(yè)(5)電話號(hào)碼，用基數(shù)詞。如： 3855637three eight five five (double five) six t

6、hree seven( ) 7. My family moved to Dongguan _. A. in 1990s B. in the 1990 C. in the 1990s D. on the 1990s( ) 8. My uncle began to work in this school_. A. on his forty B. at age of fortieth C. when he forty D. in his forties( ) 9. What should we do now, Mr Clark? Please turn to Page _ and look at t

7、he _ picture. A. Twelve; fifth B. Twelfth; fifth C. Twelve; five D. Twelfth; five( ) 10. Unit _ is easy but _ unit is difficult. A. Sixth; seven B. Six; seven C. Sixth; the seventh D. Six; the seventh6分?jǐn)?shù)的表達(dá)分?jǐn)?shù)的表達(dá)分子用基數(shù)詞，分母用序數(shù)詞分子用基數(shù)詞，分母用序數(shù)詞。如：。如：1/3 one third; 1/9 one ninth分子大于分子大于“1”，分母則加，分母則加“s”。 如：如

8、：2/3 two thirds； 7/8 seven eighths另外還有一些特殊的詞，如：另外還有一些特殊的詞，如：1/2 a(one)half; 1/4 one fourth或或a(one)quarter;3/4 three fourths或或three quarters ( ) 11. About_of the students like keeping diaries in English in our class. A. two fifth B. two fifths C. second five D. two five( ) 12. Therere many students i

9、n our school. _ of them _ girls. A. One third; is B. One third; are C. Two thirds; is D. One thirds；are7. 表示有小數(shù)的詞用基數(shù)詞，小數(shù)點(diǎn)讀point, 0讀o 或zero, 小數(shù)點(diǎn)后的數(shù)字按個(gè)位基數(shù)詞依次讀出即可。 如：7.05 seven point o five 3.14159 three point one four one five nine8表示百分?jǐn)?shù), 百分?jǐn)?shù)由基數(shù)詞+ percent 來(lái)表示。如：50：fifty percent 0.8： zero point eight p

10、ercent 考點(diǎn)四 其它用法 1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-meter-long bridge 一座800米長(zhǎng)的橋2基數(shù)詞meter(s)kilometer(s)kilo(s) + long/high/tall /deep /away等。如：My home is five kilometers away from our school. 我家離學(xué)校五公里遠(yuǎn)。The Yangzi River is 6,300 kilometers long 長(zhǎng)江長(zhǎng)6300公里3. hundred, thousand, milli

11、on等表示數(shù)量的詞前面如有基數(shù)詞，用來(lái)修飾后面的名詞表示精確數(shù)量時(shí)，本身不用復(fù)數(shù)形式，名詞才用復(fù)數(shù)形式。如：兩千人 two thousand people; 三百米 three hundred meters但在表示含糊數(shù)量時(shí)要用復(fù)數(shù)形式，并要與of 連用。如：hundreds of 數(shù)百的thousands of 數(shù)千的或成千上萬(wàn)的millions of 數(shù)百萬(wàn)的如：數(shù)千人thousands of people 試比較：two hundred books / hundreds of booksthree thousand trees / thousands of trees ( ) 13. K

12、ate is _ girl. Shes very happy at school. A. a eighteen-year-old B. an eighteen-year-oldC. an eighteen-years-old D. a eighteen-years-old( ) 14. How tall is the wall?Its _.A. ten meters tall B. ten-meter tall C. ten meter tall D. ten-meters tall( ) 15. When he arrived at the airport, Lee Minho found

13、that fans were waiting for him there.A. hundred B. hundreds C. hundred of D. hundreds of( ) 16. Food Safety has become one of the hottest topics recently. Yeah, it receives _ Internet hits(點(diǎn)點(diǎn)擊擊) a day. A. thousands B. thousand of C. thousands of D. ten thousands4. 序數(shù)詞在使用時(shí)，一般在其前面加定冠the或物主代詞等限定詞。如：the

14、 first time 第一次 his second son他的第二個(gè)兒子5. 如果序數(shù)詞前加定冠詞a/an，則表示“又一，再一”。如：Ive tried twice. And I want a third try. 我已經(jīng)試過(guò)兩次了，還想再試一次。( ) 17. Susan lives on the _ floor and we are neighbors. A. four B. fourth C. fourteenD. forty( ) 18. To many foreigners, Guangzhou has become their _ home town. A. two B. sec

15、ond C. the second D. twice( ) 19. Would you like to try _ time? A. two B. second C. a two D. a second6. 分?jǐn)?shù)作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要根據(jù)分?jǐn)?shù)后的名詞來(lái)確定，如果不可數(shù)名詞就要用單數(shù)，是可數(shù)名詞則用復(fù)數(shù)。如：One third of the students in our class have been to the Great Wall. Four fifths of the water is drunk by the children.7. 表示時(shí)間、距離、價(jià)格、重量、數(shù)目、數(shù)學(xué)運(yùn)算等的詞或短

16、語(yǔ)做主語(yǔ)時(shí)，表示整體概念，謂語(yǔ)動(dòng)詞用單數(shù)。如：Ten years has passed. 10 kilometers is a long way to him. He is too tired.( ) 20. _ of the coats _ made of cotton. They feel comfortable. A. Two-thirds; is B. Two-thirds; are C. Two-third; is D. Two-third; are( ) 21. In that factory, _ of the work _ done by machines. A. fourth

17、 five; is B. four fifths; are C. four fifths; is D. fourth five; are( ) 22. Two months _quite a long time. Yes, Im afraid that he will miss a lot of lessons. A. is B. are C. was D. were考點(diǎn)五 熟記一些重要的表達(dá) 專題專題 5 5 數(shù)詞數(shù)詞 1. 2013湛江湛江 What day is it today? Its Monday, and its my _birthday. A. fifteen Bfifteenth Cthe fifteen Dthe fifteenth22013安順安順 To finish the task, weve tried three times, and after dinner well try _ time. A. the fourth Ba fourth Cfourth DFour32013天津天津 Where is Class_？ Its on the _ floor. A. Six; third BSixth; third C. Six; three Dsi