中考數(shù)詞專項復習

1、中考數(shù)詞專項復習考點解讀：1. 掌握基數(shù)詞、序數(shù)詞的構成及用法2. 掌握hundred, thousand, million, billion等詞的用法3. 熟練掌握年、月、日的表達法和常用的數(shù)字的表達法。 1表示數(shù)目多少的數(shù)詞叫做基數(shù)詞：one two three ninety-five2. 表示順序先后的數(shù)詞叫做序數(shù)詞：first second third fifteenth一、基數(shù)詞的構成：1. 1-12獨立成詞，需逐個記憶：one, two, three, four ，five, six, seven, eight, nine, ten, eleven, twelve2. 13-19的

2、基數(shù)詞以-teen結尾：thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen3. 20-90的基數(shù)詞都以-ty結尾：twenty, thirty, forty，fifty, sixty, seventy, eighty, ninety 4. 21-99的寫法：十位數(shù)+連字符+個位數(shù)： thirty-six5. 101-999的構成：百位和十位數(shù)之間用and連接：755 (seven hundred and fifty-five)順口溜記憶: 1到12逐個記，13到19結尾teen，整十都是ty結尾，要想表達幾十幾

3、， 整十連字個位數(shù)。6. 英語中沒有“萬”這個單位，要用thousand來表達：ten thousand(一萬） one hundred thousand（十萬） 口頭表達： 3,333,333,333 billion million thousand7. 百(hundred)、千(thousand)、百萬(million)、十億（billion)等詞，前與數(shù)字或a(n)連用時，詞尾不可加“s”,也不用“of”。Eg: six thousand8. 百(hundred)，千(thousand)，百萬(million)、十億（billion)等詞與介詞of連用時，須用復數(shù)形式，表示不確定數(shù)目。E

4、g: thousands of people 二、序數(shù)詞的構成：（順口溜記憶）基變序，有規(guī)律，一、二、三特殊記，first，second和third，從四開始加th， 八去t，九去e，五和十二ve要用f替，整十變y為ie，后加th別忘記，若想表示幾十幾，只變個位就可以。1. 序數(shù)詞的縮寫形式由阿拉伯數(shù)字加序數(shù)詞后面的兩個字母構成。 first = 1st second = 2nd third = 3rd four = 4th fifth = 5th2.序數(shù)詞前一般要加定冠詞the或代詞，修飾名詞。 the first day, my thirteenth birthday3.序數(shù)詞前加aan,

5、表示“再一，又一”。 The computer is so good that Ill read it a second time. 三、分數(shù)和小數(shù)的表達法：1. 分子用基數(shù)詞，分母用序數(shù)詞，分子大于1，分母用復數(shù) 1/4one fourth 或 a quarter 4/5four fifths 1/2one half, 不讀作 one second2. 小數(shù)點讀point 0.3zero point three 2.53two point five three3. 百分比的讀法：先讀基數(shù)詞，再讀 百分號%(percent) 5%five percent4. 分數(shù)、百分數(shù)的謂語動詞是單數(shù)還是復

6、數(shù)的判斷：其實分數(shù)、百分數(shù)作主語時用單數(shù)動詞還是復數(shù)動詞不是看分數(shù)本身，而是看of后的名詞。如果該名詞是復數(shù)即用復數(shù)動詞，如果是單數(shù)或不可數(shù)名詞則用單數(shù)動詞。Two thirds of an apple is water .Two thirds of the apples are bad .四、年份、年代表示法：年份要用基數(shù)詞，每兩位一讀1999 = nineteen ninety-nine1990s(20世紀90年代）= nineteen nineties尤其要注意“在某人歲時”的表達法：in ones + 表示整十的基數(shù)詞復數(shù)在他203070歲時：in his twenties thirt

7、ies seventies五、日期的表達法： 用“月+日的序數(shù)詞”表示，有兩種讀法： 7月20日 July the twentieth the twentieth of July1999年8月23日 August the twenty-third, nineteen ninety-ninethe twenty-third of August, nineteen ninety-nine六、鐘點表達有兩種：第一種:先說小時,再說分 8:15 eight fifteen第二種:先說分，再說小時30分鐘內: 分鐘+past+小時 9:21 twenty-one past nine30分鐘整: half

8、 past+小時 10:30 half past ten 230分鐘外: 差幾分+to+將要到達的點鐘 11:45 fifteena quarter to twelve整點用oclock: 5:00five oclock七、表示事物的編號:1. 基數(shù)詞放到名詞的后邊, 該名詞一般要大寫Lesson One = Lesson 12. 序數(shù)詞放到名詞的前面，加定冠詞。Lesson One = the first lesson3. 房間號、公共汽車號、電話號碼、頁碼均用基數(shù)詞。如：Room 386 No.14 bus Tel. No.5328513 Page 101八、其他：1.英語中表示”幾個半“

9、的兩種表達方法：（1）數(shù)詞 + and a half + 名詞復數(shù)（2）數(shù)詞 + 名詞單數(shù) / 復數(shù) + and a halftwo and a half hours 兩個半小時two hours and a halfone hour and a half 一個半小時2. “基數(shù)詞 + 連字符 + 名詞 + 連字符 + 形容詞”構成的形容詞中，名詞用單數(shù)，作定語He is only a seven-year-old boy .九、示范解題：( )1. _ people will visit Qinzhou during the 12th Games of Guangxi . A. Thousa

10、nd B. Two thousands C. Thousands of D. Thousand of ( )2. Kangkang is a school boy. He got a good gift on his _ birthday . A. fourteenth B. fortieth C. the fortieth ( )3. _ of the land is covered with trees and grass in Pingjiang,Yueyang. A. Three fives B. Three fifths D. Three fifth( )4. I like neit

11、her of the two books . Please show me _ one. A. third B. a third C. the third D. three ( )5. Eight _ students in our school are from countryside . A. hundreds B. hundred C. hundreds of D. hundred of( )6. _ of the warm water _ already been used up . A. Two third, has B. Two third, have C. Two thirds,

12、 has D. Two thirds, have 十、解題技巧：1. 理解題意2. 基數(shù)變序數(shù)特殊記3. 序數(shù)詞前常加the或代詞4. 答案排除法十一、鞏固提高： 3( )1. last year, I visited a chemical in Nanning, there are about workers in it . A. six thousands B. six thousand C. six thousands of D. six thousand of( )2. Tom has just finished writing a article . A. nine-hundred-

13、words B. nine-hundreds-word C. nine-hundred-word D. nine-hundreds-words( )3. -How much is the pair of shoes? -Twenty dollars enough . A. is B. are C. am D.was( )4. My uncle bought me an iPhone for my birthday. A. twelve B. twelfth C. the twelve D. the twelfth( )5. All the visitors live on floor . A.

14、 two B. second C. the second D. twice ( )6. Can you imagine what life will be like in time ? A. 50 years B. 50 years C. 50-years D. 50-years( )7. About of the students in our class were born in the . A. two thirds, 1990s B. two thirds, 1990 C. two third, 1990s D. second three, 1990( )8. -Ive looked for it twice, but I havent found it . -Why not try ? A. three times B. once C. third time D. a third time( )9. -David, how old is your father this year ? - .And we just had a special party f