英语数词

万以上的数字读法特点6,500,431,729hundredthousandmillionbillion注意每三个数为一个单位，按照百、十、个向下读。6，500，431，729sevenhundredandtwenty-ninethousandmillionbillionsixbillion,fivehundredmillion,fourhundredandthirty-onethousand,hundred26twenty-six260twohundredandsixty2,261twothousand,twohundredandsixty-one2,026twothousandandtwenty-six1,200,226onemillion,twohundredthousand,twohundredandtwenty-six100one/ahundred1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillion基数词+hundredthousandmillion表示具体数字表示具体、准确的数目时,hundred,thousand,million等词后不能加-s,如:fivehundred,sixthousand,sevenmillion等。hundredsthousandsmillions+of表示概数当hundred,thousand等数词与of连用,表示不具体、不准确的数目时,词尾须加-s。如:thousandsofstudents,millionsoftrees.1.twothousandchildren两千个小孩子thousandsoffish数千条鱼,成千上万条鱼2.fivehundredwomen五百位妇女hundredsofsheep数百只绵羊,成百上千只羊3.sixmilliondollars六百万美元millionsofmice数百万只老鼠,thousand与thousandsof若表示某一个数是某些特指人或东西中的一部分,hundred等后面可跟of。twohundredofthestudents这些学生其中的二百个比较:twohundredstudents二百个学生onestudent,oneofthestudents3.Many___sheepwerekilledintheaccident.A.thousandsofB.thousandC.thousands4.Thereareovernine___workersinthefactory,but___ofyoungpeoplehopetoworkinit.A.hundred;hundredsB.hundreds;hundredsC.hundreds;hundredAAOursummerholidayiscoming.Two____thestudentsinourschoolwillgotothebeach.(2003重庆)A.hundredB.hundredsC.hundredofD.hundredsof若表示某数是某些特指人或东西中的一部分,hundred后可跟of。onestudent,twohundredstudents;oneofthestudents,twohundredofthestudentsC一般是在基数词后加上-th构成,但应记住一些特殊变化,口诀如下：基变序,有规律，词尾加上“th”。一二三(first,second,third),特殊例，词尾字母t、d、d。八去t、九去e,(eighth,ninth)ve要用f替。(fifth,twelfth)ty将y改作i，th前面有个e。(twentieth)注:序数词前通常要加定冠词the。We’llgooveritasecondtime.We’vetrieditthreetimes.Mustwetryitafourthtime?TheSecondWorldWarbrokeoutin1939.注:序数词前出现不定冠词a或an时,则表示“再—”,“又—”。(=another)Twodaysisn’tenoughformetofinishthework.Ineed____day.(2008宁波市鄞yin州)A.athirdB.thethirdC.theotherD.otherAInordertomakeitclear,Imustgoupto_______secondfloorandaskhim_______secondtime.(2005呼和浩特市)A.the;aB.the;theC.a;theD.a;aA4.作表语Sixand/plusfouristen.六加四等于十。Sixminusfouristwo.六减四等于二。Wefourwillgowithyou.我们四个人将和你一起去。5.作同位语(只限基数词)时间类型表示法例读法整点基数词(+o’clock)1:00﹤30分钟分钟+past+钟点2:10=30分钟half+past+钟点3:30﹥30分钟到下一个钟点所差的分钟数+to+下一个钟点数4:40分钟逢15即一刻钟aquarterpast/to5:156:45简化法按顺序读基数词7:50one(o’clock)tenpasttwohalfpastthreetwentytofiveaquarterpastfiveaquartertosevensevenfifty表示在几点钟用介词at数词的表示法—时刻—It’salready7:40now.Whenwillthefilmstart?—___.Westillhavefiveminutes.A.AquartertosevenB.Sevenpastforty-fiveC.AquartertoeightC3.Hegraduatedin____of____century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentiethinthesixties在六十年代inhissixties在他六十几岁的时候CA.年份用基数词表示,一般写为阿拉伯数字。是四位数字时,各分成二位来读。1949读作:nineteenforty-nine1800eighteenhundred253twohundredandfifty-three1902nineteenhundredandtwo或nineteenotwo使用year时放在数词之前。intheyear2000(=in2000)在2000年但是,通常采用in加表示年份的阿拉伯数字。in2000在2000年数词的表示法—年份日期:the加序数词表示①NationalDayisonOctober1(st).(读作Octoberthefirst)②NationalDayisonthe1stofOctober．①月日,年数词的表示法—年月日onOctoberthefirst,twothousandandeight日the+序数词月(首字母大写)月日与年之间用逗号分开年（两位两位读）写作onAugust9(th)写作inMay,2010有日用on;无日用in在2008年10月1日写作onOctober1(st),2008②月日在8月9日③月年在2010年5月About_______oftheworkersinthefactorywereborninthe_______.(2008无锡市;2009兰州市)A.two-thirds;1970B.two-thirds;1970sC.two-third;1970D.two-third;1970sBThreefourthsoftheapples____bad.Threefourthsoftheapple____bad.areis1.__ofthestudents__boysinourclass.A.Twothree;areB.Twothirds;areC.Twothirds;is2.__ofhermoney__spentonclothes.A.Twothree;areB.Twothirds;isC.Twothird;is3.__theteachersinourschoolisaboutonehundred,and__ofthemarewomenteachers.A.Thenumberof;twothirdB.Thenumberof;twothirdsC.Anumberof;twothirdsBBB3.78读作threepointseveneight小数小数点前按整数方式读,小数点后一位一位地读。12,345.6789读作twelvethousand,threehundredandforty-fivepointsixseveneightnine1.Theboyalwaysstaystherefor_____.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank_____beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalfCA数词的表示法——“一两个”的表示法“a/an+单名+ortwo”或“oneortwo+复名”。Don’tworry.You’llbeallrightinadayortwo.Icanonlystayhereforoneortwodays.Icanfinishtheworkinaweekortwo.“一两个”习惯上用注意:a/an和one不可调换。②A+be+倍数+比较级(bigger,higher,longer,wider,…)+than+B.A比B大(长……)……倍。Thisroomistwicebiggerthanthatone.这个房间比那个(房间)大两倍。Thisdictionaryisfourtimesthickerthanthatbook.这本词典比那本书厚四倍。表示倍数的句型1.Thisbuildingis_____thatbuilding.A.threetimeashighasB.twicehigherthanC.threetimesashigheras2.我的箱子比你的重六倍。Myboxis__________________________________________yours.sixtimesheavierthan/seventimesasheavyasB③A+be+倍数+thesize(length,width,height,amount…)+of+B.=A+be+倍数+as+原级+as+B.Yourroomistwicethesizeofmine.=Yourroomistwiceaslargeasmine.你的房间是我的两倍大。Thisbridgeisthreetimesthelengthofthatone.=Thisbridgeisthreetimesaslongasthatone.这座桥的长度是那座的三倍。Theearthis49timesthesizeofthemoon.地球是月球的49倍。表示倍数的句型Thisstreetisfourtimesthewidthofthatone.=Thisstreetisfourtimesaswideasthatone.Thenewbuildingisfourtimestheheightofthatone.=Thenewbuildingisfourtimesashighasthatone.数词的表示法—计量表达法(身高年龄长宽高厚深)fourincheswide=fourinchesinwidth4英寸宽threefeethigh=threefeetinheight3英尺高ThecitywallofXi’anis12meterswideand12metershi