1、數(shù)詞復(fù)習(xí),基數(shù)詞(表示個(gè)數(shù)的詞),1-one 一個(gè) 2-two 兩個(gè) 3-three 三個(gè) 4-four 四個(gè) 5-five 五個(gè) 9-nine 九個(gè) 12-twelve 十二個(gè) 20-twenty 二十個(gè) 21-twenty-one 二十一個(gè) 30-thirty 三十個(gè),first (1st)第一,ninth (9th)第九,second (2nd)第二,fourth (4th)第四,third (3rd)第三,thirtieth (30th)第三十,twenty-first (21st)第二十一,twentieth (20th)第二十,fifth (5th)第五,twelfth (12th

2、)第十二,序數(shù)詞(表示順序的詞),Whens your birthday? (9月10日),Its on September 10th. Its+on+月份+日期. 10月5日 8月15日 9月10日 12月21日 1月20日 3月30日,October fifth.,March thirtieth,August fifteenth,December twenty-first,September tenth,January twentieth,Whats the date?,Its November 15th. Its+月份+日期.,Its in September. Its+ in+月份.

3、Its on September 10th. Its+on+月份+日期.,Whens your birthday?,Numbers are widely used.,Hello ， 86861873 -,100 2,000 30,000 400,000 5,000,00060,000,000700,000,000 8,000,000,000 90,000,000,000 100,000,000,000,Can you read them ?,hundred,thousand,million,billion,Step1:one hundred and twenty-three billion,

4、Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one hundred and three,103,789,456,123,數(shù) 詞,基數(shù)詞,序數(shù)詞,數(shù)量,順序,基數(shù)詞的構(gòu)成,1）112, 獨(dú)立成詞。 one two three four five six seven eight nine ten eleven twelve 2）13-19, 由39 + teen構(gòu)成。 14fourteen 16-sixteen 17-seventeen 19ninetee

5、n 特殊拼寫: 13 thirteen 15-fifteen 18eighteen 3）2090, 以-ty結(jié)尾。 20twenty 30-thirty 40forty 50fifty 80-eighty 60-sixty 70-seventy 90ninety 4）2199， 兩位數(shù)，十位與個(gè)位之間有 “”。 21 twentyone 55 fiftyfive 99 ninetynine 5）101999，三位數(shù)，百位與十位/個(gè)位之間加and。 101 one hundred and one 840 eight hundred and forty 693 six hundred and ni

6、nety-three,29,431,500,7,6,thousand,hundred,million,billion,and,6) 1，000以上數(shù)目,從右向左每三位用“，” 分開,分別讀為thousand , million, billion,基數(shù)詞的構(gòu)成,序數(shù)詞的構(gòu)成,1) 13, first, second, third 。 2) 419, 相應(yīng)基數(shù)詞+th, 特殊拼寫:fifth, eighth, ninth, twelfth。 3) 2090, y變成ie +th,如twentieth。 4) 2199, 只把個(gè)位的基數(shù)詞變成序數(shù)詞 如twenty-first。 5) 序數(shù)詞縮寫-數(shù)

7、字最后兩字母 如1st, 2nd, 3rd ,4th,基變序,有規(guī)律, 一、二、三，特殊記，面目全非要注意， 加th從4起， 八少“t”，九去“e”， “ve”要用“f”替，(five, twelve) 見“y”變成“i”和“e”，詞尾加上“th”， (twenty, thirty,ninety) 若是遇到幾十幾，只變個(gè)位就可以。 序數(shù)詞縮寫記清楚,數(shù)字后跟兩字母。,(序數(shù)詞構(gòu)成規(guī)律),基數(shù)詞的用法,1、表示具體數(shù)目,hundred, thousand, million不用復(fù)數(shù) 表示不確定數(shù)目,用復(fù)數(shù)。即hundreds of(數(shù)百), thousands of(數(shù)千), millions o

8、f(數(shù)百萬(wàn))+ 名詞復(fù)數(shù), 可以用many/several修飾，但不能與具體數(shù)目連用。 1) Our country has a population of 1,300 million people. 2) There are three thousand students in our school. 3) After the war, thousands of people became homeless. 4) Several / Many thousands of trees must be planted every year.,2、 “幾十”的復(fù)數(shù)形式可以表示： 幾十多歲 - in

9、 + ones + 數(shù)詞復(fù)數(shù) 年 代 - in + the +數(shù)詞復(fù)數(shù) 1) He died in his forties四十多歲 2) In the nineties, most people go to work by bike. 90年代,3、“基數(shù)詞+名詞” 的合成形容詞作定語(yǔ)， 中間有連字符“”,當(dāng)中的名詞用單數(shù)。 a 3 year old girl a seven-day holiday,4、表計(jì)量- “基數(shù)詞+度量單位+形容詞” The classroom is 7 meters long, 6 meters wide and 3 meters high.,5、表示時(shí)刻 (介詞用

10、at) 1)順讀法-先時(shí)后分, “幾點(diǎn)幾分” 9:30 nine thirty 6:21 six twenty-one,3) 15分鐘：a quarter 30分鐘：a half 9:15 a quarter past nine 12:30 half past twelve,2)逆讀法-先分后時(shí) 表示“幾點(diǎn)過(guò)幾分”，半小時(shí)以內(nèi)，介詞用past 分鐘數(shù)+past +鐘點(diǎn)數(shù) 10:10 ten past ten 8:20 twenty past eight,表示“幾點(diǎn)差幾分”，半小時(shí)以上，介詞用to 60減原分鐘+ to + (下一個(gè))鐘點(diǎn)數(shù) 9:50 ten to ten 7:40 twenty

11、 to eight,(1)序數(shù)詞作定語(yǔ)，前面要加the； The first truck is carrying a food basket John lives on the fifteenth floor She is my first English teacher. (2)有時(shí)加a/an，“再一”，“又一” 的意思 Well have to do it a second time Shall I ask him a third time？ When I sat down，a fourth man rose to speak They had a second child in 1988

12、,序數(shù)詞的用法,編號(hào)表示法,編號(hào)在前，名詞在后，用序數(shù)詞，前面有the 編號(hào)在后，名詞在前，用基數(shù)詞，注意首字母大寫 房間號(hào)碼和電話號(hào)碼要一個(gè)一個(gè)分別讀,The First Lesson（在句子中不大寫）Lesson One,the thirty-second page Page 32 / Page Thirty-two,Room 305,Bus No.12,第一課 第32頁(yè) 第305房間 第12路公共汽車,1/4 one-fourth a (one) quarter 3/4 three-fourths three quarters 2/3 two-thirds 1/2 a (one) hal

13、f 半年 half a year 半小時(shí) half an hour 一年半 one and a half years one year and a half,分?jǐn)?shù)表示法,分子用基數(shù)詞，分母用序數(shù)詞。 分子大于1時(shí)，分母加-s。,1999 nineteen ninety-nine two thousand and eight 1949年10月1日 讀作: October (the) first, nineteen forty-nine (月-日，年) the first of October, nineteen forty-nine（日-月，年） 寫作: October 1st,1999(日用縮

14、寫，月-日-年) October 1, 1999 (日用數(shù)字) 1st October,1999日-月，年,年份、日期表達(dá)法,年用基數(shù)詞表示,兩位一讀,介詞用in 日用序數(shù)詞表示,介詞用on,表示“在世紀(jì)”, 用序數(shù)詞。 在20世紀(jì) 寫作：in 20th century 讀作：in the twentieth century,【實(shí)例解析】,1. (2004年上海市徐匯區(qū)中考試題) About _ students in our class can describe that place in English. A. three-fifths B. three-fifth C. third-fi

15、ve D. third-fifths 答案：A。該題考查的是分?jǐn)?shù)的表示法。分子用基數(shù)詞表示，分母用序數(shù)詞表示。分子大于1時(shí)，分母應(yīng)加-s，因此應(yīng)選A。,2. (2004年河北省中考試題) Nine _ pounds a week? Thats very good. A. hundred of B. hundreds of C. hundreds D. hundred 答案：D。該題考查的是數(shù)詞的用法。Nine hundred是一個(gè)具體的數(shù)量，這是數(shù)詞不能用復(fù)數(shù)形式，后面也不能加of。所以應(yīng)選D。,【中考演練】,選擇題答案及分析 15: B D D A B 610: D C B A A 1115

16、: C A B C C,中考聽力題 數(shù)詞考點(diǎn),1/2 1/3 1/4 24/25 3/4 3,three fourths / three quarters,one third /a third,twenty-four twenty-fifths,three and six sevenths,one quarter /a quarter/ one fourth,a half,Can you read a fraction?,July1,1921,October 1,1949,August 1, 1927,May, 1922,When were they founded?,PRC,League,P

17、LA,CCP,The _was founded on /in_,What is the time?,six /six oclock,four o five / five past four,seven fifteen /a quarter past seven,nine twenty / twenty past nine,nine thirty /half past nine,six forty /twenty to seven,2,1,3,9,11,12,Whats/ was the date?,1990,2010,1900,19,1808,2020,January 1st , 2003,1

18、0,22,February 14th ,1990,March 12th, 2010,September 22nd,1900,November 23rd,2020,December 25th,1808,1.What is ten and eight? 2.How old are you? 3.When were you born? 4.What class are you in? 5.How many students are there in your class? 6.Whats your telephone number? 7.How long is the Great Wall? 8.Whats the