九年級英語第二輪復(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，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. 時刻的表示：小時、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，用基數(shù)詞的復(fù)數(shù)形式。如: in his thirties在他三十幾歲時5編號的表示(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)表示住所時不用“No”。如： 302房間Room 302(讀作:room three o two);(4)如果編號的數(shù)詞比較長，一般用基數(shù)詞。如： Page 457 第457頁(5)電話號碼，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 一個五歲的男孩an 800-meter-long bridge 一座800米長的橋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 長江長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，用來修飾后面的名詞表示精確數(shù)量時，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)千的或成千上萬的millions of 數(shù)百萬的如：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，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)作主語時，謂語動詞要根據(jù)分?jǐn)?shù)后的名詞來確定，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. 表示時間、距離、價格、重量、數(shù)目、數(shù)學(xué)運(yùn)算等的詞或短

16、語做主語時，表示整體概念，謂語動詞用單數(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