初中数词语法及练习 5页

如有侵权，请联系网站删除，仅供学习与交流初中数词语法及练习【精品文档】第5页\n如有侵权，请联系网站删除，仅供学习与交流B：数词专项第一部分：知识点分析一、基数词 1）基数词读法：月，日，年，如2007年六月十三日读作：June(the)thirteenth,twothousandandseven具体某一天用介词ononMonday,onTuesday，May24(星期，月，日)（主要体现在口语考试和听力题目中）2）表示一个具体数字时，hundred,thousand,million,,dozen,score一律不用复数；在表示一个不确定数字时则用复数。(确数没s，概数加s，ofs同出现)例如：Therearethreethousandstudentsinourschool.Afterthewar,thousandsofpeoplebecamehomeless.基数词位置：“名词+基数词”Lesson15;Room1506或者用“the+序数词+名词”TheFifteenthLessonthethirdfloor,Paragraph2，No,11、时间均用基数词表示：1）顺读法，先说“点钟”，再说“分钟”，如：2:15twofifteen6:20sixtwenty2）逆读法30分钟以内：“分钟数+past+钟点数”，如：3:20---twentypastthree2:10---tenpasttwo半小时用half，15分钟用aquarter:2:15---aquarterpasttwo3:30---halfpastthree30分钟以外要用：“分钟数+to+下一个钟点”，如：4:35---twenty-fivetofive2:55---fivetothree1）在一些表示"一排"或"一组"的词组里； 如：Theyarrivedintwosandthrees.　他们三三两两的到达了。 1）表示"几十岁"，inone’s+数词例如：Hediedinhisforties． 2）表示"年代"，用in+the+数词复数；inthe1960s.2）一到十二分别记。十三到十九都带teen二十到九十整的数，ty结尾别忘记要是表示几十几，一横十位连各位。【精品文档】第5页\n如有侵权，请联系网站删除，仅供学习与交流onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-onethirty-eightfifty-threeahundredathousandamillionabillion4)数词形容词（只能做前置定语）Aboyfiveyearsold.Afive-year-oldboy.二、序数词The加序数词表第几，a加序数词表又一，再一1）序数词主要用作定语，前面要加定冠词，例如：Thefirsttruckiscarryingalotofbaskets．2）序数词有时前面可加不定冠词来表示“再一”，“又一”这样的意思，例如：We'llhavetodoitasecondtime．3）1至12序数词：one---first,two---second,three---third,four-–fourthfive---fifth,six—sixth,seven—seventh,eight---eighth,nine---ninth,ten—tenth,eleven--eleventhtwelve---twelfth缩写形式：first→1st   second→2ndthird→3rd           fourth→4thtwenty-second→22ndfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundredthtwenty-firstninety-nintyahundredandfifty-third4)分数：分子用基数，分母用序数，分子大于1，分母加-s。分数修饰的名词作主语。谓语动词的单复和名词一致。threefourths,onesecond,twofifths,threequarters数词与小时的搭配【精品文档】第5页\n如有侵权，请联系网站删除，仅供学习与交流half一半，ahalfoneandahalfhour,twohoursandahalfthreehourshalfanhour倍数表示法 主语+谓语+倍数+as+形容词+asAisthreetimesasbigasB主语+谓语+倍数+形容词比较级+thanAisthreetimesbiggerthanB主语+谓语+倍数+thesize（length,breadth,level）+ofAisthreetimesthesizeofB3、易错点1.Wewillhavea_________holidayaftertheexam. A.twomonthB.two-monthC.twomonth’sD.two-months答案:B(选择C的同学要注意应用twomonths’;选择D的同学要注意名词之间有“—“后的组合词当作形容词来用,因此就不用所有格形式了.)2.._______treesarecutdownintheforestseveryyear. A.ThousandB.ThousandsC.ThousandofD.Thousandsof答案:D.(选择C的同学注意词组记忆的准确性)3.Oursportsmeetingwillbeheld________. A.on24,Tuesday,AprilB.inApril24,TuesdayC.onTuesday,April24D.inAprilTuesday24答案:C.(具体某一天介词on，时间排序：星期，月，日) 2002,5,20：May20th,2002,thetwentiethofMay,2002注意：数词形容词作定语时，一般用单数形式aseven-year-oldboy4.Ourschoolwillholdasportsmeetingnextweek.TomandIwillbeinboys'.A.800-metres-raceB.800-metresraceC.800-metreraceD.800metrerace答案:C.800来修饰race,有两种表达法，800-metrerace或800metres'race.5.I'mveryhungry,Ihaveeatentwocakes,wouldyoupleasegivemeone?A.moveB.threeC.athirdD.thethird答案:C.序数词前加不定冠词，表示“又一，再一”，表示another。6.　ofthelandintheworldiscoveredbywater.A.FourthreeB.ThreefourC.ThreefourthD.Threefourths答案:D.此题考查分数的写法，如果分子大于1，分母用复数。例6　Wewillhaveholidayinthewinter.A.fourweeksB.afour-weekC.fourweekD.afourweeks答案:B.此题为一个四星期的假期，数次形容词作前置定语。1．---Howmanyworkersarethereinyourfactory?---Therearetwo__________.A.hundredsB.hundredC.hundredofD.hundredsof【精品文档】第5页\n如有侵权，请联系网站删除，仅供学习与交流2．About________studentsinourclasscandescribethatplaceinEnglish.A.three-fifthsB.three-fifthC.third-fiveD.third-fifths3．---Canyouwritethenumbereighty-fivethousand,sixhundredandtwenty-six?---Yes,itis__________.A.856620B.85626C.58662D.586264．.WhenwasthePRCfounded?Itwasfoundedon_________.A.July1,1921B.1,1949,OctoberC.August,19271,D.1,May,19225．._______ChinesearelookingforwaystolearnEnglishwellbeforeBeijing2008Olympics.A.ThousandB.ThousandsC.ThousandofD.Thousandsof6．MrZhangteachesatMiddleSchool.A.aNo.5B.No.5C.theNo.5thD.5thNo7．Johnlivesonfloor.A.twentyB.twentiethC.thetwentiethD.thetwentyth8．Hehasworkedonthefarmforyears.A.twoandhalfB.twoandahalfC.ahalfandtwoD.twohalvesanda1．ItissaidthatSARShaskilledmorethan________peopleworldwide.A.threehundredsB.threehundreds’C.threehundred’sD.threehundred2．-Whatdoyouthinkofawar,LiMing?-I’venoidea.Butit’safactthat_______peoplehadtoleavetheirhometownduringtheWaronIraq.A.threemillionsB.millionofC.millionsofD.severalmillions3．Bothofthetworulersarebroken.Iwanttobuya_______one.A.threeB.thirdC.forthD./4._______oftheearth_______madeupofoceans.A.Two-third;isB.Two-thirds;isC.Two-third;areD.Two-thirds;are5.Since1964,_______satelliteshavebeensentintospace.A.dozensofB.fourdozensC.dozenofD.severaldozens6.JackBoothisa_______man.A.21-years-oldB.21yearsoldC.21-year-oldD.21yearold7．---Dad,what’sthesealike?　---Well,it’slargeandfullofwater.Itcoversabout_____oftheearth.　A.onethirdB.threequarterC.three-fourth　D.threequarters【精品文档】第5页