中考英语数词复习.ppt

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1、掌握掌握基数词和序数词基数词和序数词的构成及基本的构成及基本用法用法（B)；熟练掌握熟练掌握日期、钟点和年龄等日期、钟点和年龄等的表达方法的表达方法(C)；数词的分类数词的分类数数词词基基数词数词:表示表示数量数量序序数词数词:表示表示顺序顺序基数词的构成基数词的构成1 one11 eleven100 a hundred2 two12 twelve20 twenty1,000 a thousand3 three 13 thirteenteen30 thirty1,000,000 a million4 four14 fourteen40 forty10,000,000 ten million5

2、five15 fifteen50 fifty6 six16 sixteen60 sixty7 seven17 seventeen70 seventy8 eight 18 eighteen80 eighty9 nine19 nineteen90 ninety10 ten 两位基数词的构成两位基数词的构成21345766twenty-onethirty-fourfifty-sevensixty-six三位基数词的构成三位基数词的构成457890608389four hundred and fifty-seveneight hundred and ninetysix hundred and eigh

3、t百位数与十位数/个位数之间用and连接three hundred and eighty-nine1，000以上的数，从后往前，每三位数加一个以上的数，从后往前，每三位数加一个“，”第第一个一个逗号前是逗号前是thousand，第，第二个二个逗号前是逗号前是million，第，第三个三个逗号前逗号前是是billion.如：如：onehundredonethousandtenthousandonehundredthousandonemilliontenmilliononehundredmilliononebilliontenbilliononehundredbillion tens/hundre

4、ds/thousands/millions of一一百百一一千千一万一万十万十万一一百万百万一千一千万万一亿一亿十亿十亿一百亿一百亿一千亿一千亿数十数十/百百/千千/百万百万看谁译得快：看谁译得快：1002,00030,000400,0005,000,00060,000,000700,000,0008,000,000,00090,000,000,000100,000,000,000Can you read them?hundredthousandmillionbillion,Step1:one hundred and twenty-three billion,Step2:four hundre

5、d and fifty-six million,Step3:seven hundred and eighty-nine thousand,Step4:one hundred and three103789456123,基数词的用法基数词的用法1.表示可数名词的数量表示可数名词的数量,如：如：575名学生名学生 fivehundredandseventy-fivestudents2 基数词的复数形式表示基数词的复数形式表示大量的不确定的数目大量的不确定的数目，如，如 hundreds of+可数名词复数可数名词复数 数以百计的数以百计的thousands of +可数名词复数可数名词复数 数以千

6、计的数以千计的 hundredsofbirds,thousandsofstars3.hundred,thousand,million表示表示确切数目确切数目或与或与Several,a few,some连用时一般连用时一般不加不加s,如如 three Hundred,several billion.但与但与many连用时一般连用时一般加加s,如如:many millions of4.编了号的事物编了号的事物要用要用基数词基数词表示顺序，但是基表示顺序，但是基数词要数词要后置。后置。如：如：第一课第一课第第32页页第第305房间房间第第12路公共汽车路公共汽车Lesson onePage 32Ro

7、om 305Bus No.12序数词序数词：表示表示顺序顺序的词。相当于中文的的词。相当于中文的“第几第几.”.”基本构成基本构成:第一-第十第十一-第十九第二十以上firsteleventhtwentiethsecondtwelfththirtieththirdthirteenthfortiethfourthfourteenthfiftiethfifthfifteenthsixtiethsixthsixteenthseventiethseventhseventeentheightietheightheighteenthninetiethninthnineteenthhundredthtent

8、htow hundredth一、二、三，特殊记，一、二、三，特殊记，加加th从从4起，起，八少八少“t”，九去九去“e”，“ve”要用要用“f”替，替，(five,twelve)见见“y”变成变成“i”和和“e”，词尾词尾加上加上“th”，(twenty,thirty,-ninety)若是遇到几十几，只变若是遇到几十几，只变个位个位就可就可以。以。v ordinal numbersordinal numbers(序数词)两位序数词的构成两位序数词的构成第第33名名 第第46个个第第89棵棵第第66位位the thirty-thirdthe forty-sixththe eighty-ninth

9、the sixty-sixthCan you write their ordinal numbers?254412918721910190401481001000序数词的用法序数词的用法1.用来表示事物的顺序用来表示事物的顺序,前面常加前面常加the。Monday is the second day in a week.January is the first month in a year.2.分数分数的表达法的表达法:4/5 5/9分子用基数词分子用基数词,分母用序数词分母用序数词,当分子当分子大于大于1时时,分母用复数形式分母用复数形式.onehalf=ahalfonefourth=aq

10、uarterfourfifthsfiveninths百分比:Percent(%)50%Fifty percent百分比百分比:Percent(%)50%Fiftypercent倍数倍数:一倍一倍二倍二倍三倍三倍oncetwiceThreetimes2.年、月、日的表达法年、月、日的表达法 年份用基数词表达，分两位一读，介词用年份用基数词表达，分两位一读，介词用 in。1999年年 2000年年 2004年年 1867年年在在20世纪世纪80年代年代2005年年3月月3日日nineteen ninety-ninetwo thousandtwo thousand and foureighteen

11、sixty-sevenMarch3(rd),2oo5or3March,2oo5orthethirdofMarch,2005Inthe1980s两年半两年半Twoandahalfyears=twoyearsandahalfWhats/wasthedate?1990201019001918082020January1st,20031022February14th,1990March12th,2010September22nd,1900November23rd,2020December25th,1808July1,1921October1,1949August1,1927May,1922Whenwe

12、retheyfounded?PRCLeaguePLACCPThe-wasfoundedon/in-时间表达法时间表达法 顺读法顺读法5：00 6：1812：154：305：506：45 倒读法倒读法fiveoclocksixeighteentwelvefifteeneighteenpastsixaquarterpasttwelvefourthirtyhalfpastfourfivefiftytentosixsixforty-fiveaquartertoseven5.表示编号表示编号基数词和序数词基数词和序数词+名词可以表示事物的名词可以表示事物的编号，编号，如：如：LessonOne=thef

13、irstlesson,BusNo.3=theNo.3bus注意注意:（1）表示房间住所时，不必用）表示房间住所时，不必用“No.”来表示来表示编号，但常将名词大写。如：编号，但常将名词大写。如：Room302（2）如果编号的数字较长，一般用）如果编号的数字较长，一般用基数词，基数词，读法也简化。读法也简化。Page3671.完成复习导引完成复习导引P14-16.2.复习导引中的语法点复习导引中的语法点P14和教与学和教与学P78.3.听写以听写以-C开头的单词开头的单词.4.复习初三书本复习初三书本Unit1-2.例例1 The number 2,146 is read as_.A.two t

14、housands and one hundred and forty and six.B.two thousand and a hundred and forty-six.C.two thousand,one hundred and forty-six.D.two thousands,one hundred,forty-six.分析分析:英语数字的读法是有规律的英语数字的读法是有规律的,百位跟十位之间加百位跟十位之间加and,十十位与个位用连字符位与个位用连字符,三位以上的数用逗号分开三位以上的数用逗号分开,第一个逗号代第一个逗号代表表thousand等等.根据数字的读法根据数字的读法,可以找

15、出正确答案为可以找出正确答案为C.例例2 There are _ people in my family.We live in the _ floor in a tall building.A.five;six B.fifth;sixth C.fifth;six D.five,sixth分析分析:第一个空表示数量肜基数词第一个空表示数量肜基数词,第二个空表示顺序用序数第二个空表示顺序用序数词词,选选D.例例3 Excuse me,how does this number 20,135 read?It reads_.A.twenty thousands one hundred and thirt

16、y five B.twenty thousand one hundred thirty five C.twenty thousand,one hundred and thirty-five D.twenty thousands,one hundred and thirty-five分析：分析：根据数字的读法规律，选根据数字的读法规律，选C。例例4 In our class _ of the students are girls.A.three fifths B.three fifth C.third five D.third fifths分析：分析：根据分数的表达方法，分子用基数词，分母用序数

17、根据分数的表达方法，分子用基数词，分母用序数词，分子大于词，分子大于1，分母用复数可以找到正确答案为，分母用复数可以找到正确答案为A。1.This is a big class,and _ of the students are girls.A.two third B.second three C.two thirds D.two three2.The questions is very easy,even a _ child can answer it.A.three-years old B.three years old C.three-year-old D.three year old3

18、.The _ man on the left is Beckman,a famous football player.A.two B.second C.three4.Which class won the match in the end?Im not sure.Maybe _ did.A.Class Third B.Class Three C.third three D.Class ThreeCCBD5.Nine _ pounds a week?Thats very good.A.hundred of B.hundreds of C.hundreds D.hundred.6.Sharks h

19、ave been on the earth for _ years.A.thousands of B.two thousands C.two thousands of D.thousand of7._ people come to Jilin to visit Mount Changbai every year.A.Thousands of B.Thousand of C.Thousands D.Thousand8.The computer was cheap.I spent only two _ yuan on it.A.thousands B.thousand C.thousands of

20、 D.thousand ofDAAB9.About _ of the workers in the clothes factory are women.A.third fifths B.third fifth C.three fifths D.three fifth10.The road is over _ metres long.A.six hundreds and fifty-two B.six hundred and fifty-two C.six hundred,fifty-two D.six hundred,fifty and two11.September is _ month o

21、f the year.A.ninth B.eighth C.the eighth D.the ninth12.Its about _ kilometres from Nanning to Beijing.A.two thousand,five hundred and sixty B.two thousand,five hundreds and sixty C.two thousands,five hundred and sixty D.two thousands,five hundreds and sixty CBDA13.Every year,_ fishes are killed by t

22、he polluted water.A.million of B.millions of C.two millions of D.two millions14.The boy told the old woman,“The train will arrive at two to two.”It means _.A.2:02 B.2:20 C.1:58 D.1:4015.Sara said we would meet at _ in front of the museum.A.one thirty B.half an hour C.one and thirty D.one past thirty

23、16.Well have a _ holiday after the exam.A.two month B.two-month C.two months D.two-monthsBCAB17.Now children,turn to page _ and look at the _ picture in Lesson Two.A.twentieth;one B.twenty;one C.twentieth;first D.twenty;first18.Today we are going to learn the _ lesson.A.twenty B.twentith C.twentieth

24、 D.twentyth19.Dinosaur eggs were found in the _.A.1990 B.1990th C.1990s D.1990s20.How often do I take it?_.A.twice B.twice a day C.twice one day D.in twice daysDCCBDecemberisthe_monthoftheyear.Mondayisthe_dayoftheweek.Englishisspokenbymostpeopleastheir_languageintheUSA,GreatBritain,Australian,andCanada.TheGamesofthe_Olympicin2008willbeheldinthecityofBeijing.Imhungry.Iveeatenthreeapples.Wouldyoupleasegivemea_one?Atthebeginningofthe_centurytheworldspopulationhaspassed6billion.Hegotoffthisbusandgotona_one.twelfth secondfirst twenty-ninth fourthtwenty-firstsecondPractice: