初中英語-數(shù)詞詳解及專項練習

1、初中英語-數(shù)詞詳解及專項練習Lesson 3基數(shù)詞 &序數(shù)詞一、基數(shù)詞1. 1-10 ( one, two, three, four, five, six, seven, eight, nine, te)n2. 11-19 (eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen)3. 兩位數(shù)(非整數(shù)) ，十位數(shù)和個位數(shù)之間用連字符“ -”。( 21 twenty-one；76 seventy-six)4. 兩位數(shù)(整數(shù)) ，以 ty 結尾； (40 forty ； 90 n

2、inety)4.三位數(shù)，在百位數(shù)和十位數(shù)之間用and連接。101 a hundred and one；320 three hundred and twenty；648 six hundred and forty-eight5. 百(hundred) ，千(thousand) ，百萬(million ) ，千萬( billion )6. 表示確切的百、千、百萬時，不能用其復數(shù)形式； ( 400 four hundred ， hundred 不加 s)表示成百、成千時，用其復數(shù)形式； ( 成百 hundreds of; 成千 thousands of )7. 表示“人的不確切歲數(shù)” ，用幾十的復數(shù)

3、形式；He became a professor in his thirties. (他在三十多歲成為教授。 )8. 表示年代時，用幾十的復數(shù)形式；It was in 1960s. (那是在 20世紀 60 年代。 )二、序數(shù)詞1、英語的序數(shù)詞基本變法：(1) 1-19：一般在基數(shù)詞后加th特殊情況：one-first ; two-second; three-third;eight-eighth;nine-ninth;-ve 結尾的改 ve 為 f 加 th； (如five-fifth ； twelve-twelfth )(2)兩位數(shù)(整數(shù))，改 y 為-ie,加 th;(如 twenty-t

4、wentieth ; thirty-thirtieth)( 3)兩位數(shù)/多位數(shù)(非整數(shù)) ，僅個位數(shù)部分用序數(shù)詞。(如： thirty-sixth,fifty-third,one hundred and twenty-first )2.縮寫形式：阿拉伯數(shù)字+ 序數(shù)詞末尾兩個字母 (只有1st, 2nd, 3rd 為特殊形式，其他都是阿拉伯數(shù)字+ th)first -1 st；second-2nd ; twentieth -20 th ; twenty-third -23rd三、基數(shù)詞 /序數(shù)詞用法辨別1. 基數(shù)詞也可以表示順序，要將基數(shù)詞放在名詞之后。the first Lesson - Le

5、sson One / the fifth page - Page 52. (1)序數(shù)詞前面加the 時,表示順序,初中英語-數(shù)詞詳解及專項練習This is the fourth time I come here. 這是我第四次來這兒。(2)加a/an時表示再一、又一 ”We've tried it three times. Must we try it a fourth time?我們已經試過三遍了，還必須再試一次(第四次)四、時間的數(shù)詞表示法1 .表示時刻(1)整點用 “ o'clock ”；(5: 00 讀作 five o'clock 或 five)(2)幾點過幾

6、分，分鐘 + past +小時；(five past seven 七點過五分； a quarter past eight點過亥U;half past eight /l點半)(3)幾點差幾分，分鐘 + to +小時；(ten to eight 八點差十分；a quarter to twelve 十二點差一亥U)(4)直接法：小時十分鐘；(6: 31 讀作 six thirty-one;10:26 ten twenty-six)2 .表示日期，用the加序數(shù)詞表示，或用縮寫形式12月 1 日：Dec.1st 或 the first of December； 2002 年 11 月 8 日：Nov.

7、 8th, 2002.3 .表示年份，用基數(shù)詞表示2002 讀作 twenty thousand and two；1976 讀作 nineteen seventy-six4 .表示年代，用the +年代+ s/ s在 20 世紀 30 年代：in the 1930's 或 in the 1930s5 .表示世紀，用the +序數(shù)詞+ century ,或者the +整百+ s/s20 世紀：the 20th century 或 the 1900's/ the 1900s五、分數(shù)/小數(shù)/百分數(shù)表示法1、分數(shù)表示法：基數(shù)詞作分子，序數(shù)詞作分母；分子是“1”時，序數(shù)詞用單數(shù)；除此之外

8、，序數(shù)詞用復數(shù)1/3: one third / a third ； 1/2： a half;1/4： one quarter ；3/4： three fourths/ three quarters ;1；: one and a half2 .華”的表達：半a half;半/4時-half an hour ；1.5小時- one and a half hours 或 one hour and a half.3 .當分數(shù)后接名詞時，如果分數(shù)值大于1,名詞用復數(shù)；小于1,名詞用單數(shù)。one and a half hours 個半小時；two and three fourths meters 2.75

9、 米3 / 8初中英語-數(shù)詞詳解及專項練習point3）小數(shù)小數(shù)點左邊合起來讀，小數(shù)點右邊的數(shù)字分開讀，小數(shù)點讀作10.25 ten point two five /1.03 one point o three4) 10.25 ten point two five /1.03 one point o three4)百分數(shù)用基數(shù)詞+ percent 表示50%-fifty percent ；3% three percent9 / 8專項練習題1. Excuse me, how does this number 20,135 read? It reads.A. twenty thousands o

10、ne hundred and thirty-five.C. twenty thousand one hundred and thirty five.B. twenty thousand one hundred and thirty-five.D. twenty thousands, one hundred and thirty-five.2. Each year, fished are killed by the polluted water and many people are made sick by the pollutedair.C. two millions ofD. two mi

11、llionsA. millions ofB. million of3. During the seven-day May Day holiday families went sightseeing.A. thousandB. thousandsC. thousands and thousands D. thousands of4. The building has floors. They live on the floor.D. nine , tenthA. ninth, lastB. nine, nineC. nine, ninth5. The beautiful skirts are o

12、n show in the shop. Jane likes .D. ninthA. the ninthB. the ninethC. nine6. December is the month of the year.D. twelfthA. twelveB. twelvethC. twelvitth7. I think that the century 世 2己）will bring us more hopes.A. twenty-oneB. twentiety-first8. Now let me have .A. the third tryB. a third try9. My sist

13、er is a student of .A. the First ClassB. Class One10. Shakespeare was born in .A. 1660sB. 1660 s11. He became a super star .A. In his thirtyB. In his thirtiesC. twenty-firstC. third tryC. One ClassC. The 1660C. At his thirtyD. twentieth-oneD. this third tryD. Class FirstD. The 1660 sD. At his thirti

14、es12. of the students play QQ farm games on the Internet.D. 70 percentsA. 70 percent ofB. 70 percentC. 70 percent of13. The Olympic Games are held .D.Every four-yearsA. Every four yearsB. Every four yearC. Every fourth years14. Nowadays of business letters are written in English.D. Second threeA. Tw

15、o thirdB. Two thirdsC. Two three綜合練習一、單項選擇題1. The government of Chongqing is building cheap and good houses for the people.A. ThousandB. ThousandsC. Thousand ofD. Thousands of2. The teacher said that of the boys would take part in the talent show.A. Three fiveB. Three fivesC. Thirds fifthsD. Three f

16、ifths4. I got a beautiful bike on birthday. I like it very much.A. FifteenthB. FifteenC. My fifteenD. My fifteenth5. This is Mr. White s visit to Beijing. He has been there twice before.A. TwoB. SecondC. ThreeD. Third6. Now, everybody, please turn to Page and look at the picture.A. Fifth; fiveB.Five

17、; fifthC.Fifth; fifthD.Five; fivethe night o7. people went to the concert which was held in People s Square A. Thousand of; inB.Thousand; onC.Many thousand; inD.Thousands of; on8. I think of the materials I listened to at the very beginning of the exam easy.A. Three fourths; isB.Third four; areC.Thr

18、ee fourth; areD.Three fourth; are9. About of the workers in the factory were born in the .A. Two-thirds; 1970B. Two-thirds; 1970sC. Two-third; 1970D. Two-third; 1970s10. Bob, can you write the number seven hundred and eighty thousand and thirty-two?Yes. It is .A. 78032B. 7832C. 7032D. 78003211. Nine

19、pounds a week?A. hundred ofB. hundreds ofC. hundredsD. Hundred12. TheA. oneB. firstC. twoD. Secondmonth of the year is February.13. Come and see me inWith pleasure. Thats what I m expecting.A. Two or three days B. Two or three day s timeC. Two or three daystime初中英語-數(shù)詞詳解及專項練習 二、閱讀理解Some people have a

20、 very poor sense of direction. Unlucky , I am one of them. I have visited a place many times but I may still get lost there the next time.When I was a little girl, I never dared ask strangers the way. And so I used to walk round in circle and hope that by chance I would get to the place I was going

21、to.Now , I am no longer too shy to ask people for directions, but I often receive helpless or even wrong information. So I try to avoid giving people wrong directions. If anyone asks me the way somewhere, I would say,"sorry, I am a stranger here."Once on my way to work I was stopped by a m

22、an. He asked me if I could tell him the way to the Friendship Building. I gave him my usual reply. But just as I walked on only a few steps. I realized that he had asked the way to my office building. However, I had no time to turn back and look for him. I was rushing to meet with someone at my offi

23、ce and I didn't want to keep him waiting.When I just got to my office, the secretary showed in the man who had asked me for directions. Imagine how embarrassed I was and how surprised he was when we saw each other at the first sight!1. The writer always refuses to give people directions because

24、.A.she's a strange to the cityB.she doesn't know the peopleC.she has no time to help others D.she's afraid of giving wrong directions.2. A man stopped the writer on the way to .A.sell her somethingB.ask for the timeC.make friends with her D.ask for the directions.3. The Friendship Buildi

25、ng is the place where the writerA.lives B.studies C.works D.teaches4. The word "embarrassed" in the last paragraph means "".A.尷尬 B.困惑C.激動D.拮據(jù)5. Which of the following is TRUE according to the passage?A. The writer is tooshy to give others directionsB. The writer has a very poor s

26、ense of directionsC. The writer never got lost when she was young.D. The man was quite nervous when he saw the writer.三、完型填空Many parents want their children to be famous one day. But do children have the same_ 1?A new 2 Hi, Ke'ai is on at Beijing Children's Art Theatre. It tells the story of a boy called Ke'ai. His parents would like him to become a painter or a _3 one day. They teach him to _4_and to play the violin,but Ke'ai doesn't enjoy these activities. Then one day Ke'ai's parents see Liu Xiang win a gold 5_ at