中考專項復習之數(shù)詞課件.ppt

1、Numbers,2018中考英語 專項復習 數(shù)詞,數(shù)詞的考點,一.基數(shù)詞、序數(shù)詞,二.數(shù)詞的表示法,基數(shù)詞,1. 基數(shù)詞表示數(shù)目的詞稱為基數(shù)詞。其形式如下：,A110 one，two，three，four，five，six seven，eight，nine，ten B 1119 eleven，twelve， thirteen， fourteen， fifteen， sixteen， seventeen，eighteen， nineteen,C 2199 表示幾十幾時，在十位和個位之間添加連字符“-” 21 32 43 54 65 76 87 98,twenty-one,forty-three,

2、thirty-two,fifty-four,sixty-five,seventy-six,eighty-seven,ninety-eight,D百位數(shù) 三位數(shù)以上的基數(shù)詞，在百位和十位一般 要用 “and”連接。 101 320 648 E千位數(shù)以上 從數(shù)字的右端向左端數(shù)起，每三位數(shù)加一個逗號 “，”。從右開始，第一個“，”為thousand，第二 個“，”為million，第三個“，”為billion。 如：1,234,567,890,one / a hundred and one,three hundred and twenty,six hundred and forty-eight,on

3、e billion two hundred and thirty-four million five hundred and sixty-seven thousand eight hundred and ninety,“ 1509 ”,If it is an amount(數(shù)量) 1,509 reads like this one thousand five hundred and nine (2) If it is a date(日期) 15 09 reads like this fifteen zero nine (3) If it is a telephone number(電話號碼)

4、reads like this one five o nine “0” 在英語里讀成 “o” or “zero”,1. hundred thousand (表示具體數(shù)字) million billion 2. hundreds thousands (表示概數(shù)) millions billions,三.基數(shù)詞的用法,數(shù)詞 two (several)+,+ of,some / many hundreds of,1)基數(shù)詞表示確切的數(shù)時，不用復數(shù)形式. 2)表示不確切數(shù)，如成百、成千上萬，則用復數(shù)。 There are hundreds of people in the hall 320 three

5、 hundred and twenty,3人的不確切歲數(shù)或年代，用幾十的復數(shù)形式。He became a professor in his thirtiesIt was in the 1960s 4基數(shù)詞的句法功能可作主語、賓語、定語、表語、同位語。The two happily opened the box（作主語） They three tried to finish the task （作同位語） ,1. If a = 3, b=4, whats the answer to the problem, a+2ab+1=? the answer is_. A. twenty eight B.

6、 twenty-eighth C. twenty-eight 2. In our school several _ students are able to search the Internet . A. hunderd of B. hunderds of C. hundred,3. Many _ sheep were killed in the accident. A. thousands of B. thousand C. thousands 4. There are over nine _ workers in the factory, but _ of young people ho

7、pe to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred, 月日年 在2008年10月1日,四.數(shù)詞的表示法 年月日,on Octorber the first, two thousand and eight,on August the ninth,in May, two thousand and ten,有日用 on 無日用in,on Oct. 1st , 2008, 月日 在8月9日 月年 在2010年5月,1. The accident happened on_. A. April

8、5, 2001 B. 2001, April 5 C. April 2001, 5 2. I was born _. A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995,20世紀90年代,in the 1990s,在他50多歲時,in his fifties,四.數(shù)詞的表示法 年代世紀,in the,in ones + 整十基數(shù)詞復數(shù) 在某人幾十歲時,nineteen,nineties,1. There will be more chances in _ century than in _ century. A. twenty-one,

9、 twenty B. twenty-first, twentieth C. the twenty-first, the twentieth 2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980,3. He graduated in _ of _ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth 4. He got the prize _. A. in his fifties B. i

10、n fifties C. in his fifty,時間和鐘點,時間的表達方式 1直接表達法。即先讀小時，再讀分鐘 如：4：10 讀成 8：36 讀成 2逆讀法。即先讀分鐘，再讀小時 分鐘小于30的用“past”，中文譯為“過”。 即分鐘+past+時鐘，中文譯為“幾點過幾分” 如：5:10（5點過10分）讀成 2:02 （2點過2分） 讀成,four ten,eight thirty-six,ten past five,two past two,分鐘超過30（不包括30分鐘）用 “to”（中文譯為“差”） 即“60-分鐘數(shù) +to+鐘點數(shù)+1” （中文譯為：幾點差幾分） 如：7：45 （八點

11、差15分） 讀成 1：58（兩點差2分） 讀成 3半小時用“half”, 一刻鐘用“quarter”。 注意：一刻鐘 a quarter 三刻鐘 three quarters 如： 4: 30 讀成 9: 45 讀成,a quarter to ten,two to two,half past four,fifteen to eight,特別注意：一個半小時的表達方式： one / an hour and a half one and a half hours,Can you read them?,1:30 2:15: 3:45 6:38 7:25 9:50,one thirty,half pa

12、st one,two fifteen,a quarter / fifteen past two,three forty-five,a quarter/ fifteen to four,six thirty-eight,twenty- two to seven,twenty five past seven,seven twenty-five,ten to ten,nine fifty,三年半的兩種表達方式: three years and a half three and a half years,1. Its already 7:40 now. When will the film start

13、? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight,1 5,分子 基數(shù)詞 分母 序數(shù)詞,one fifth,2 7,分子 1 分母 + s,two sevenths,1 4,分子 a 分母 quarter,a quarter,3 4,three quarters,1 2,a half,1 3,three and one third,3,基數(shù)詞 + and + 分數(shù),四.數(shù)詞的表示法 分數(shù)百分數(shù),分數(shù)、百分數(shù)、小數(shù)的表達方法 （以分數(shù)考法較為常見

14、） 1. 分數(shù): 分子用基數(shù)詞，分母用序數(shù)詞，分子大于一，分母加s 1/2 讀作 2/3 讀作 1/13 讀作 3/4 讀作 2小數(shù),百分數(shù)的讀法: 小數(shù)點讀成point 3.6 讀作 百分號% 讀成 percent 50%讀作,one second（a half）,two thirds 或者 two- thirds,one thirteenth,three fourths或者three - quarters,three point six,fifty percent,80 %,基數(shù)詞 + percent,eighty percent,half / (百)分數(shù) + of + 可數(shù)名詞復數(shù) 謂語

15、動詞用復數(shù) half / (百)分數(shù) + of + 不可數(shù)名詞 謂語動詞用單數(shù),3.78,three point seven eight,1. _ of the students _ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is 2. _ of her money _ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is 3. _ the teachers in our school is about one hun

16、dred, and _ of them are women teachers. A. The number of; two third B. The number of ; two thirds C. A number of; two thirds,一個半小時 兩個半小時,two and a half hours = two hours and a half,one and a half hours = one hour and a half,四.數(shù)詞的表示法 半的表示法,1. The boy always stays there for _. A. one and half hour B.

17、one and a half hour C. one and a half hours 2. The old man drank_ beer. A. two bottles and a half B. two and a half bottle C. two bottle and a half,一倍 once，兩倍 twice， 三倍 three times (三倍或以上 基數(shù)詞times),四.數(shù)詞的表示法 倍數(shù),This box is five times as big as that one. =This box is four times bigger than that one.,

18、A + be + 倍數(shù) + as +adj.原+ as +B. A是B的 倍 C + be + 倍數(shù) + adj.比+ than +D. C比D 倍,1. This building is _ that building. A. three time as tall as B. twice taller than C. three times as taller as 2. 我的箱子比你的重六倍! My box is _ yours.,six times heavier than,seven times as heavy as, The winner is _. He is an _ boy

19、. A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; eight-year-old He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,四.數(shù)詞的表示法 年齡, The river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long,四.數(shù)詞的表示法 計量,be + 數(shù)詞 + 量

20、詞 + 形容詞,10. He went down to the village which was _miles away from the city.A. three hundreds B. three hundredC. three hundreds of,B. three hundred,6The wall is_.Afour meters long Bfour meter long Cfour-meter long 7Whats the date today? Its_AMarch the eight BMarch eighthCeight，March8It happened in t

21、he 1040sA in the forties of the eleventh centuryB in the forties of the tenth centuryC in the forty 9About_ of the earths surface is covered with water.A. three-fours B. three-fourth C. three-fourths,Afour meters long,BMarch eighth,A in the forties of the eleventh century,C. three-fourths,選擇填空。1Marc

22、h is _month of a yearA a three B the third C a third2We will have a meeting at 8:05_Afive to eight Beight five Ceight o five3Eight plus eight is_.Asixteen Bsixty-four Cone4He is an _boyAeight years Beight-year-old Ceight-years-old5We will have a_ walkAten minutes Bten minutes Cten-minutes,B the thir

23、d,Ceight o five,Asixteen,Beight-year-old,Bten minutes,四、加減乘除表示法1. “加”用plus，and或add表示 How much is two plus three? It is fiveTwo and three is equal to five2. “減”用 minus How much is ten minus six?3. “乘”multiply 3X4? How much is three times four?4. “除”用divide的過去分詞形式表示164=? How much is sixteen divided by

24、 four?,2more還可與a little，a few，a lot，several等詞連用 （1）There are many more dictionaries on the desk課桌上有許多詞典。 （2）Would you like some more tea？再喝點茶好嗎？ 4. 名詞省略 如果前后意思清楚，another或more后面的名詞可以省去。如： 1I climbed the stairs slowly，carrying a big suitcase，my father following with two more,1Tony is going camping wit

25、h _boys next Sunday Alittle two other Btwo little other Ctwo other little Dlittle other two 3Do you know where he found the other two photos？另外兩張照片 3. more 1more 1）She has got five more electric fans她還有五臺電扇。,another, other, more修飾數(shù)詞的用法 1. another A) another+名詞單數(shù) B)表“另外的、額外的、附加的時，+few或具體數(shù)字的復數(shù) 1Have y

26、ou finished your report yet？ No，I will finish it in 10 minutes Aanother BOther Cmore Dless 2The strike may last another three days罷工可能還要持續(xù)三天。 2. other +復數(shù)名詞，置于數(shù)詞之后 B)但與定冠詞the連用時，other要放在數(shù)詞前。,序數(shù)詞,1. 序數(shù)詞一般由基數(shù)詞后加th構(gòu)成，前面一般加定冠詞the。 第18 第200 2. 以y結(jié)尾的基數(shù)詞構(gòu)成序數(shù)詞時，先把y改成i，再加eth。 第50 第20 3. 不規(guī)則的序數(shù)詞有以下幾個 first, s

27、econd, third, fifth, eighth, ninth, twelfth（一定要記?。?the eighteenth,the two hundredth,the fiftieth,the twentieth,first 1st second 2nd third 3rd fourth 4th fifth 5th sixth 6th seventh 7th eighth 8th ninth 9th,twelfth 12th,twentieth 20th,thirtieth 30th,fortieth 40th,fiftieth 50th,sixtieth 60th,seventiet

28、h 70th,eightieth 80th,ninetieth 90th,C序數(shù)詞的縮寫形式:阿拉伯數(shù)字后加上th。irstlst second2nd third3rdfourth4th twentieth20thtwenty-third23rdD序數(shù)詞的句法功能序數(shù)詞在句中可作主語、賓語、定語和表語。The second is what I really need（作主語）He choose the second（作賓語）We are to carry out the first plan（作定語）She is the second in our class（作表語）,4. 表示第幾十幾時，

29、十位用基數(shù)詞， 個位用序數(shù)詞，十位和各位用連字符- 連接 第三十一 第六十五 第七十四 第九十九 第八十二,thirty-first,sixty-fifth,seventy-fourth,ninety-ninth,eighty-second,5. 編號的三種表示法 1）名詞基數(shù)詞 Lesson Three 2）the序數(shù)詞名詞 the third lesson 3）名詞數(shù)字 Lesson 3 如：5班 Class Five = the fifth class = Class 5,一般編碼用 名詞 + 基數(shù)詞 207房 三年級一班 第五部分 第一課 3 號汽車 第一中學,Room 207 Cla

30、ss one Grade three part five = the fifth part lesson one = the first lesson Bus No.3 = the No.3 bus No. 1 Middle School,四.數(shù)詞的表示法 編號,1、This is Mr Whites _ visit in Beijing. He has been there twice before. A. two B. second C. three D. third 2、There are _ months in a year. October is the _ month. A. tw

31、elve, ten B. twelfth , tenth C. twelve, tenth D. twelfth, ten 3、There are _ people in Peters family. They live on the _ floor in tall building. A. six, eighteen B. six, eighteenth C. sixth, eighteenth D. sixth, eighteen,4、 _ is the easiest of all. A. Lesson one B. The Lesson one C. Lesson First D. T

32、he first lesson 5、 The foreign guests stayed in _ last night. A. Room 608 B. the Room 608 C. the 608 room D. 608 the room,注：通常前面要加定冠詞 the；但出現(xiàn)不定冠詞a或an時，則表示“再”，“又”。Well go over it a second time,特別說明： 1、世紀、年代、年份、月份時，用介詞in 2、某一天、星期前用介詞on 3、某一天早晨、下午或晚上時，用介詞on。,1、_ a cold morning，the old man died lonely i

33、n his house 2、The girl was sent to hospital _ the morning of March 20. 3、My son was born _ October 2010. 4、People are very poor _ the fifties.,On,on,in,in,分數(shù)，小數(shù)， 百分比,熱門考點一：hundred、 thousand、 million、 billion的考查方法 1和“of”連用，前面不能有具體的數(shù),而且這四個詞的本身必須用復數(shù)。如 hundreds of 數(shù)以百計的 thousands of 數(shù)以千計的 millions of 數(shù)以

34、百萬計的 billions of 數(shù)以十億計的 many hundreds of students. 好幾百個學生 2當它們的前面有具體的數(shù)修飾時,其本身即不能用復數(shù)， 不能和“of”連用。 two thousand students 兩千名學生 five hundred cars 五百輛車,1、By the end of last year, we had planted about five _ trees. A. hundred B. hundreds C. hundred of D. hundreds of 2、_ books must be produced for the children. A. many thousands B. many thousands of C. many thousand of D. many thousand,熱門考點二：其它重要表達方式的考法 1. 在某人多少歲 in + ones + 幾十的復數(shù)形式 eg:My parents are in their fifties. 2a five-year-old boy an eight-year-old