资源描述
数词表示数目多少或顺序的词。数词分为基数词和序数词。,语法复习三数词,基数词表示数目多少的词。,如：one一two二three三four四five五six六seven七eight八nine九ten十eleven十一twelve十二,基数词1-12是独立词；13-19是个位数词后加teen，其中thirteen、fifteen、eighteen是不规则的；20-90都是以ty结尾，但twenty、thirty、forty、fifty和eighty的变化也是不规则的；21-99的构成是在十位和个位之间加连符号“”三位数101-999的构成是在百位数和十位数（个位数）之间用and连接。,序数词表示顺序次第的词。,如：first第一second第二third第三fourth第四fifth第五sixth第六seventh第七eighth第八ninth第九tenth第十eleventh第十一twelfth第十二,序数词大多都是在基数词后+th构成少数构成有点特殊：如onefirst、twosecond、threethird、fivefifth、eighteighth、nineninth、twelvetwelfth。以y结尾的个位整数，先将y改为ie再加th；twentytwentieth第二十一以上的序数词，由前头的基数词加最后一个序数词构成，如：第三十八thirty-eighth第一百六十八onehundredandsixty-eighth；序数词的缩写形式由阿拉伯数字加序数词的最后两个字母构成如：第二十一twenty-first-21st、第五十四fifty-fourth-54th。,3.数词的表达（1）章、节、页的读法,第一章第二节第三课第463页第807页,theFirstChapter/ChapterOne,theSecondsection/SectionTwo,theThirdlesson/LessonThree,pagefoursixthree/pagefourhundredandsixtythree,pageeightoseven/pageeighthundredandseven,(2)门牌、电话号码的读法,第305房间人民路69号电话号码:5521953十一路公共汽车,Roomthreeofive,sixty-nineRenmingRoad,telephonenumberfivefive(doublefive)twooneninefivethree,BusNo.eleven,4基数词读法,A三位数的读法：第一个数字+hundred+and+后面的一位或两位数例如：,101onehundredandone,965,ninehundredandsixty-five,B四位数或四位数以上的读法：阿拉伯数字每三位数为一段用逗号分开，从后往前数，所用的英语词为：thousand、million、billion如：4,567fourthousandfivehundredandsixty-seven,8,486466,732,eightthousandfourhundredandeighty-six,fourhundredandsixty-sixthousandsevenhundredandthirty-two,当hundredthousandmillion等前面有基数词或several等修饰时不用复数；若表示成百上千、成千上万等之类的意思时，用hundreds（thousands,millions）of表示,C.年、月、日的表达法1998年读作nineteenninety-eight2008年读作twothousandandeight1980年5月写作May19801949年10月1日写作October1st1949读作Octoberthefirstnineteenforty-nine/1stOctober1980,5.年代和年龄的表达法在某人30多岁时inonesthirties；80年代intheeighties。,6.分数、倍数、钟点、百分比的读法分子超过1时，分母用复数如：三分之一onethird五分之二twofifths二分之一通常读为ahalf一般不读onesecond四分之一可读作a/onefourth或a/onequarter；,表示倍数通常用half、double、twice、threetimes等词；读小数时数字只用基数词如3.4-threepointfour0.5-zeropointfive4.32-fourpointthreetwo；表示百分比时用基数词+percent如60%-sixtypercent如果percent不懂写那可直接用%；,钟点读法10：22读作tentwenty-two也可以读作twenty-twopastten（10点过22分钟）,9：469：157：30,读作fourteenminutestoten(10点还差14分钟),读作aquarterpastnine,读作halfpastseven,一两分钟表达为用a+单数名词(minute)+ortwo或oneortwo+单词复数(minutes),7.表示几加/减/乘/除几等于几时的说法15+2=？Howmuchisfifteenplustwo？9-3=？Howmuchisnineminusthree？127=？Howmuchistwelvetimesseven？6622=?Howmuchissixty-sixdividebytwenty-two?,数词巩固练习()1.Tuesdayisthe_dayofaweekinEnglish.A.firstB.fifthC.thirdD.fourth()2.Thereare_seasonsinayearinourcountry.A.twoB.fourC.secondD.fourth,()3.Thegameof_OlympicswillbeheldinBeijingin2008.A.29B.the29thC.the29D.29th()4.Mostofthestarsaremuchmorebiggerthanthesun.Buttheyare_lightyearsawayfromus.A.thousandB.thousandsC.thousandofD.thousandsof()5._ofthesurface(表面)oftheearthiscoveredwithwater.A.FirstthirdB.TwothirdsC.OnethreeD.Twothree,()6.Thereare_peopleinmyfamily.Weliveonthe_floorinatallbuilding.A.five,sixB.fifth,sixthC.fifth,sixD.five,sixth()7.Boysandgirls,wearegoingtolearn_today.A.FourLessonB.thefourthlessonC.theLessonFourD.theFourLesson()8.Mylovelydaughteris_.A.eightyearsoldB.eight-year-oldC.eightyearoldD.eight-years-old,()9.Thefloodhappened_.A.inthesummerof1998B.inthesummerof1998sC.in1998ofthesummerD.in1998softhesummer()10.February28shouldbereadas_.A.Februaryofthe28thB.Februaryof28C.28ofFebruaryD.the28thofFebruary()11.-Howsoonwillyoufinishyourwork?-Inabout_.A.oneandahalfmonthB.onemonthandahalfC.oneandhalfamonthD.amonthandhalf,()12.Wewillhavea_holiday.WhataboutgoingtoSuzhou?A.fivedaysB.fivedayC.five-dayD.five-days()13.Wearesurethe_centurywillbringusmorehopes.A.twentieth-firstB.twentieth-onC.twenty-oneD.twenty-first()14.-Whatis1/2and1/3?-Its_.A.2/5B.1/5C.5/6D.4/6,()15.Attheageof_,hehadhisownlab.A.thirtyB.thirtiethC.thethirtiethD.thethirty()16.Fivetimesfiveis_.A.fiveB.zeroC.tenD.twenty-five()17._areinthearmy.A.TwotheirsonsB.TheirtwosonsC.TheirsonstwoD.Twosonstheir,()18.Mysisterisastudentof_.A.theFirstClassB.ClassOneC.OneClassD.ClassFirst()19.Theboycancountfromoneto_.A.hundredB.ahundredC.onehundredsD.hundreds()20.Theirhouseisabout_asbigasours.A.timesthreeB.threetimeC.timethreeD.threetimes,()21.-Wouldyoulikesomefruit,madam?-Oh,yes._,please.A.5kilobananasB.5kilosofbananasC.5kiloofbananasD.5kilosofbanana()22.Thisbuildingisfora_.A.familyofthreeB.threepeopleC.threepeoplesfamilyD.threepeoplesfamily()23.Tenandfiveis_.A.fiveB.fiftyC.fifteenD.two,()24.Thereare_inaday.A.24hoursB.12hoursC.fourhoursD.365hours()25.Lookatthetable.Tomwantstobuyahamburger,alargecokeandanice-cream.Howmuchwillhepay?Hamburger$2.60Orangejuice$1.20Hotdog$2.15Coffee$1.50Ice-cream$2.00Water$0.50Popcorn$1.00Largecoke$1.00A.Threedollarsandsixtycents.B.Fivedollarsandthirty-fivecents.C.Fivedollarsandsixtycents.D.Twodollars.,Thankyou!,
展开阅读全文