基数词和序数词-专题复习

JinyuanMiddleSchool李兴翠数词基数词:表示数量的词序数词:表示顺序的词基数词的构成0-12是独立的单词zero,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve13-19带有后缀teen20-90各整十位数带有后缀ty21-99十位和个位数之间要用连字符号“-”101-999thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteentwenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,如:21sevenhundredandeight359：708：如：99twenty-one,ninety-nine构成特点单词threehundredandfifty-nine一般基数词变为序数词4：7:6:fourfourthseventhsixthsixseven直接在词尾加th特殊的基数词变序数词基数词序数词基数词序数词onetwentytwofortythreeninetyeighttwenty-onenineforty-fourfivetwelvefirstsecondthirdeighthninthfifthtwentiethfortiethninetiethtwenty-firstforty-fourthonehundredandfirsttwelfthonehundredandone基数词序数词基数词序数词onetwentytwofortythreeninetyeighttwenty-onenineforty-fourfivetwelvefirstsecondthirdeighthninthfifthtwentiethfortiethninetiethtwenty-firstforty-fourthonehundredandthirdtwelfthonehundredandthree巧记基数词变序数词一二三，要牢记八去t，九去e，f代vety结尾很容易，变y为i加上eth结尾是标记，数大数小按规律末尾数字起变化，得心应手不费力1、表示页数；电话号码；公共汽车路线；学校；医院；年级；班级；年份等例如：page1读作pageoneClassOne,GradeNinenineteenninety-eight110,120，119，1141998年：第一页：九年级一班：2、表达时刻：例如：atfive(o’clock)；atfourten或attenpastfouratsixfifty或attentoseven5︰004﹕106︰50（整点）（分钟数小于30）（分钟数大于30）3、分数的表达法分数由基数词和序数词合成：分母用序数词，分子用基数词；分子在前，分母在后。当分子大于1时，分母用复数形式。onethirdtwothirdsonefifth51313253threefifths母序，子基；子前，母后。4、hundred、thousand、million的用法如果表示具体的几百、几千、几百万时，三个单词后都不用复数形式；如果用了复数形式，要跟of连用，构成固定的搭配。hundredsof成百上千的thousandsof成千上万的millionsof数以百万计的5、由基数词构成的复合词，名词不用复数形式,而且单词之间必须用连词符号“-”连接。一个五岁的男孩：一百一十米跨栏：例如：afive-year-oldboy110-metrehurdles（跨栏）要小心哦！（05年中考题）1、---Whatclassareyouin,Mike?---I’min__________.AGradeThree,ClassTwoBClassTwo,GradeThreeCclasstwo,gradethreeDgradethree,classtwo（06年中考题）2、_____Iraqi（伊拉克的）peoplediedintheIraq（伊拉克）war.AThousandofBThousandsofCManythousandofDThousands小试牛刀BBA3.LiuXiang,21,isanOlympicwinnerinthe______hurdles(跨栏).We’reproudofhim.A110-metreB110-metresC110metre4.Wehaveonly_______(first)earth.Wemusttakegoodcareofit.（06年中考题）5.----Wherewillwehaveourchemistrylessonthisafternoon?（06年中考题）----Inthechemistrylabonthe______(three)floor.小试牛刀onethird考点练习1.Decemberisthe___monthoftheyear.A.twelveB.twelvethC.twelfth2.___ofthenewspapersintheworldarewritteninEnglish.A.ThreefourB.ThreefourthsC.ThreefourthD.Thirdfour3.Thereare__peopleinPeter’sfamily,Theyliveonthe__floorinatallbuilding.A.six,eighteenthB.six,eighteenC.sixth,eighteenD.sixth,eighteenthCBA4.Bothofthetworulersarebroken.Iwanttobuya__one.A.threeB.forthC.thirdD./5.___peoplehadtoleavetheirhometown（家乡）duringthewar.(战争)A.ThreethousandsB.ThousandofC.SeventhousandsD.Thousandsof考点练习CD