初三英语总复习-数词

Whatdonumberstellus?Numberstellus_______Weusenumberstoshow_______.Whatdoweusenumberstodo?Numeral(数词)Unit3市北初级中学臧伟涛实验中学朱卫琴数词(Numeral)基数词(Cardinalnumber)序数词(Ordinal

number)分数(Fraction)、小数(Decimal)和百分比(Percentage)日期和年份(Date

and

Year)时间和钟点(Time)数学运算表达(Arithmetic

Expression)其他(Other

uses

of

numbers)Numbers

Cardinalnumbers(基数词)(表示数目多少)Ordinalnumbers(序数词)(表示顺序先后)2—two/secondLookandsay91

15125

31050408420

three/thirdtwenty/twentietheight/eighthtwelve/twelfthforty/fortiethfifty/fiftieth

fifteen/fifteenthone/firstfour/fourthnine/ninthfive/fifthten/tenthninety/ninetieth9031基数词(Cardinalnumber)Howmany?onethreetenCardinalnumber13151840508090thirteenfifteeneighteenfortyfiftyeightyLookandsayninety113050141360158012187016201790194340Lookandsay表示数目113050141360158012187016201790194340

/60/14/40//50/15/30/1780/18/70//1550/40143013/1660LookandsayBrainstorming12510012342011376345150121000LookandsayA.1~12的基数词是独立单词,无规律可循。onetwothreefourfivesixseven

eightnineteneleventwelveB.13~19的基数词一般在3~9对应的基数词后加-teen构成。ReadandrememberthirteenfourteenfifteensixteenseventeeneighteennineteenC.20~90七个整十位数以后缀-ty结尾。twenty(20)thirty(30)forty(40)fifty(50)sixty (60) seventy(70)eighty(80)ninety(90)D.“几十几”的基数词由十位数和个位数中间加连字符“-”构成。twenty-ninesixty-fiveninety-seventhreehundred

and

five

four

hundred

and

forty-five

F.千位数与百位数之间无“and”。E.百位数和十位数之间，用“and”连接。53,641

fifty-threethousand,sixhundredandforty-oneReadandrememberG.hundred,thousand,million前有确切数词时,遵循“两个无”原则，即无“s”，无“of”。

threehundredbooksninemillionpeopleH.hundred,thousand,million前无确切数词时，则遵循“两个有”原则，即有“s”和“of”。thousands

ofstudentsmillions

ofbirds

threehundredsbooksthreehundredofpeopleReadandremember例外：twohundredofthestudentsthe这里是特指()1.Myfatherhasgoteight____stampsfromallovertheworld. A.hundredsB.hundredC.hundredsof()2.Theconcertattracted____studentslastnight. A.thousandB.twothousands C.thousandsof

Choosethebestanswer.BCa20-meter-tallbuildingan8oo-hundred-wordcompositionReadandrememberaneight-year-oldboy

一个八岁的男孩

atwo-dayholiday

一个两天的假期比较：Theboyiseightyearsold+作表语I.基数词常与名词连用构成复合定语，中间要用连字符，而且只用名词的单数形式。包括:(1)数词+名词(2)数词+名词+形容词()1.A____schoolboy,LiMing,playedthepianoattheendoftheparty. A.12-yearold B.12-years-old C.12-year-old()2.Everymorning,

Mr.Smithtakesa____tohisoffice. A.20minuteswalkB.20minute’swalkC.20-minutewalkCCChoosethebestanswer.()1.Thechildrenaregoingtolearn____tomorrow. A.LessonThird B.theLessonThree C.LessonThree()

2.Idon’tknowifhelivesin____. A.Room205 B.theRoom205 C.205roomsCAJ.表示编号：单数名词＋基数词Page15,BusNo.37,LessonTwo,RowSix,ClassFive,GradeThreeReadandrememberChoosethebestanswer.halfanhourhalfakilotwoandahalfhours=twohoursandahalfeightymeterslongonethousandmilesawayfivemetersdeep(wide/tall/high/long)K.注意下列习惯表达方式：ReadandrememberL.概数的表示法over/morethan+数字(…多／以上）lessthan+数字（不足／不到…，…以内）about+数字（大约／近…，…上下／左右）about90peopleover/morethantwoyears两年多lessthan60miles不足60英里大约90人ReadandrememberM.介词in+one's+十位数字的复数形式表示“多岁”HebegantostudyEnglishinhisthirties.ReadandrememberExercises1.Wehave_________(数百)ofbooksaboutscienceinthelibrary.2.Halfanhouris______(三十)minutes.3.Thismobilephonecostmetwo_________(千)yuan.4.Thereare_______(十二)monthsinayear.hundredsthirtythousandtwelveFillintheblankswithsuitablewords()1.Hebecameafamouswriterwhenhewas _____. A.inhisfiftyB.inhisfifties C.infiftyyearsoldD.infifties()2.Myschoolisn’tfarfromhere.It’sonly _____walk. A.fifteenminutesB.fifteenminute’s C.fifteenminutes’D.fifteenminute()3.Ourschoolisnotverybig.Thereareonly _____students. A.ninehundred B.ninehundredsof C.ninehundredsD.ninehundredofBCAChoosethebestanswer.()4.Indiahadapopulationof____. A.fivehundredandninety-sixmillion B.fivehundredsandninety-sixmillion C.fivehundredandninety-sixmillions D.fivehundredandninty-sixmillions()5.Inourcity,_____middleschoolstudents wanttoworkasateacherinthefuture. A.thousand B.thousandof

C.thousandsofD.twothousandof()6.Morethan____childrenarehavingatestnow. A.threehundred B.threehundreds C.hundredsof D.hundredofACAChoosethebestanswer.Choosethebestanswer.()7.Wehavelearned_______inrecentyears．

A.severalhundredEnglishwords B.hundredofEnglishword C.hundredofEnglishwords D.severalhundredEnglishword

A32序数词(ordinalnumber)Whichone?ThesecondThethirdThefourthThefirstOrdinalnumbers第五

第二十第一第三第二第四第九第十二第八第三十一第四十二第五十三Readandremember表示顺序第三第一百onefirst,twosecond,three

thirdfifth sixth seventheighth

ninth tenth eleventhtwelfth

thirteenthfourteenth fifteenthsixteenth

seventeentheighteenth nineteenthB.从第四到第十九的序数词在基数词后加“-th”注意：fiftheighthninthtwelfthA.基数词one,two,three

的序数词分别为:

first,second,third

(1st2nd3rd)ReadandrememberC.十位整数基数词的序数词需将词尾的“y”改为“ie”，再加“th”构成。D.“几十几”的数及４位数以上基数词的序数词只将个位变成序数词即可。twentieth

thirty-secondonehundredthReadandremembertwentyfortiethforty

ninetiethninety

()1.Johnliveson_______floor. A.nine B.ninth C.theninth()

2.Weallthinkthatthe_____centurywillbring usmorehopes. A.twenty-one B.twentieth-first C.twenty-first()

3.Thisis_____visittoChina. A.mysecond B.mythesecond C.second()

4.Onhis____birthday,hegotalotofpresents. A.twelve B.twelfth C.thetwelfthCCCAE.序数词前要有定冠词the，如前有形容词性物主代词时，不用定冠词。Choosethebestanswer.B３月８日March8(th)读作： 8(th)March读作：thesecondmostusefulthethirdlargestcityinthenineteenthcenturyF.日期的表达一般用序数词。MarchtheeighthG.用于最高级前表示“第二、第三…”。ReadandrememberH.在…世纪。theeighthofMarch()1.IhavealreadybrokentworulerssoIwanttobuya____one. A.three B.third C.fourthBWhynottryasecondtime?H.second,third

等与“a“连用，表示”又一，再一”．再一次,相当于another。Choosethebestanswer.Translation.为什么不再试一次？()1.Mayis____monthofayear. A.five B.fifth C.thefiveD.thefifth()2.Theywereboth____inthereadingcontest. A.three B.third C.thethreeD.thethird()3.OurEnglishteachers’officeison____floor. A.four B.fourth C.thefourD.thefourth()4.It’smy____timetovisitShanghai. A.two B.second C.thetwo D.thesecondChoosethebestanswer.DDBD()5.Thereare____childrenintheroom.The____onefromtheleftismybrother． A.nine,nine B.ninth,ninth C.nine,ninth D.ninth,()6.TomorrowisTom’s____birthday. A.twelve B.twelfth C.thetwelfth D.thetwelveCBChoosethebestanswer.33分数（Fraction）小数（Decimal）百分比（Percentage）分数（Fraction）Specialnumbersfraction1/57/911/33a/onefourth/a/onequarter分子是基数词,分母是序数词，基数词_+序数词。当分子大于1时,分母序数词之后加“s”。谓语动词的数由分数后面的名词决定．

1/2a(one)half/one-second1/3onethird1/44/5

four-fifthstwo-thirds2/3three-fourths/threequarters3/4Readandremember()1.Inourclass,____ofthestudents____girls.

A.three-fifths,areB.three-fifth,are C.three-five,are()

2.____ofthewater____drunkup. A.Two-thirds,hasB.Two-third,is C.Two-thirds,isACChoosethebestanswer.小数(Decimal)Specialnumbersdecimal9.90.6811.87.2()1.2.36is______.A)twopointthreesixB)twopointsthreesixC)twopointsthirty-sixD)twopointthirty-six()2.14.57

is______. A)onefourpointfiveseven B)onefourpointsfiveseven C)fourteenpointfiveseven D)fourteenpointfifty-seven分数的整数部分：基数词读法点： point分数的小数部分：一个一个读ACChoosethebestanswer.0.821.493.0511.9814.4150.056.16Read百分数（Percentage)Specialnumberspercentage56%33%78%9%46℅25％0.28％forty-sixpercenttwenty-fivepercentzeropointtwoeightpercentLookandsay34

日期和年份（DateandYear)日期5月1日May11MayMaythefirstReadandrememberthefirstofMay年份

2005

1980’s(1980s)nineteeneightiestwothousandandfiveortwentyofive1968年1968年3月1968年3月25号1968年3月25号的上午themorningofMarchthetwenty-fifth,nineteensixty-eightnineteensixty-eightMarchnineteensixty-eightMarchthetwenty-fifth,

nineteensixty-eight年份：两个两个读，按基数词读法顺序：月日年或日月年Readandremember在2008年在2008年3月在2008年3月25号在2008年3月25号的上午onthemorningofMarch25,2008in2008inMarch,2008onMarch25,2008Lookandsay35时间和钟点(Time)2:155:308:505:2011:502:458:005:25twofifteen时间表达

顺读法逆读法aquarterpasttwofivethirtyhalfpastfiveeightfiftytentonineReadandrememberfivetwenty-fivetwentypastfivetentotwelveaquartertothreeeight(o’clock)fivetwentyelevenfiftytwoforty-fivetwenty-fivepastfive()1.What’stheEnglishfor“6:10”? It’s______. A.sixten B.tensix C.tentosix()2.9:45is_______. A.aquartertonine B.aquarterpastnine C.aquartertotenACChoosethebestanswer.36数学运算表达(ArithmeticExpression)Instructionsaboutnumbers+3+6Add