数词靖边四中高慧玲考点一：基数词和序数词的写法【经典练习】A．单项选择。1.—Howlongisthenewbridge?Doyouknow,Jack?—Yes.It’sabout_______long.A.onethousandonehundredandeightmetresB.onethousandandonehundredfiftymetresC.twothousandsonehundredfortymetresD.twothousandsseventyandthreemetres2.Thereare______daysinayearanddaysinaweek.A.threehundredandsixty-five;seventhB.threehundredsixtyfive;sevenC.threehundredsixty-five;seventhD.threehundredandsixty-five;sevenB．根据句意，用括号中所给单词的正确形式填空。3.Decemberisthe_______(twelve)monthoftheyear.4.Ourclassroomisonthe_______(five)floorofthegreenbuilding.5.WhatpresentshallwegiveGrandmaforher_________(ninety)birthday?6.His_______(one)nameisMike.ButIdon’tknowhisfamilyname.7.Thoughhehadfailedtwice,hewantedtotrya_______(three)time.twelfthfifthninetiethfirstthird【考点点拨】◆基数词个位与十位之间要加连字符，百位与十位（若无十位则与个位）之间常加and。◆序数词first,second,third为特殊形式；一般规律是在基数词词尾加-th，但fifth,eighth,ninth,twelfth应特别注意；整十的序数词要把y变为ie再加-th，如：twenty→twentieth,thirty→thirtieth等；超过20的非整十数，需将个位变为序数词。考点二：分数表达法【经典练习】单项选择。1.Wehavedone______ofthework.We’llfinishitthisweek.A.onethreeB.firstthirdC.onethirdD.firstthree2.______ofthesnowintheyard______cleanedupthismorning.A.Twofifths;wasB.Twofifth;wereC.Twofifth;wasD.Twofifths;were3.About_______ofthebooksinourschoollibraryarewritteninChinese.A.fourfifthB.fourfifthsC.fourthfifthsD.fourthsfifth4.—Whichisthesmallestnumberofthefour?—_______.A.OnefifthB.AhalfC.AquarterD.Onethird5.—Doyouknowwhattwothirdsandfivesixthsis?—Letmesee…it’s_______.A.oneandonesixthB.oneandonethirdC.oneandahalfD.oneandthreefifths【考点点拨】英语中表示分数时，分子用基数词，分母用序数词；分子大于1时，分母要在序数词后加-s分数作主语时，谓语动词的单复数取决于分数后所跟的名词的数。考点三：hundred,thousand,million,billion的用法【经典练习】单项选择。1.Itissaidthatmorethan______peopletookpartinthesportsmeeting.A.twohundredsB.twohundreds’C.twohundred’sD.twohundred2.Thecomputerwascheap.Ispentonlytwo______yuanonit.A.thousandsB.thousandC.thousandsofD.thousandof3.Theoldmanleftanestate(遗产)of______whenhedied.A.twomilliondollarB.twomillionsdollarsC.twomilliondollarsD.twomillionsdollar4.—Whatdoyouthinkoftheearthquake?—It’sterrible.______peoplelosttheirlivesinit.A.ThreethousandsB.ThousandofC.ThreethousandsofD.Thousandsof【考点点拨】当具体数字后直接跟hundred,thousand,million,billion时，这些词后不加-s；当hundred,thousand,million,billion等词构成of短语，表约略数目时，这些词后应加-s，并且它们的前面不能再加具体数字。考点四：带基数词的复合形容词的用法【经典练习】单项选择。1.—Howfarisitfromthelibrarytothetheatre?—It’sabout_____.A.10minuteswalkB.10minute’swalkC.10-minuteswalkD.10minutes’walk2.—HowlongcanyoustayinBeijing?—Ihavea_____holiday,soIplantostayhereformorethanonemonth.A.twomonthB.twomonth’sC.two-monthD.two-months3.—Howoldisyourson,MrWhite?—Heisonlyabout_____.Helookslikeanangel(天使).A.eight-months-oldB.eight-montholdC.eightmontholdD.eightmonthsold4.—It’ssunnytoday.Let’sgoclimbing.—I’dloveto,butIhavetofinish_____report.Imusthanditintomorrow.A.an800-wordB.a800-wordC.an800-wordsD.a800-words【考点点拨】“基数词-名词(-形容词)”构成的复合形容词用于修饰名词，意为“……的”，连字符连接的名词和数词均用单数形式。考点五：世纪和年代表达法【...
