中考英语专项练习-----数词

.基数词的构成及用法构成 一、基数词的构成 11-12的表述1-12各有各的形式，即one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve。 213-19的表述13-19的数字皆以-teenti：n结尾，其中，fourteen，sixteen，seventeen，eighteen和nineteen分别由four，six，seven，eight，nine加后缀-teen变成的，eighteen中只保留一个t。thirteen，fifteen分别由three和five转花而来。 320-90数字的表达20-90的数字皆以-ty结尾，其中，sixty，seventy，eighty，ninety分别由six,seven,eight和nine加后缀ty构成，eighty中只保留一个t。其他同上。 420-99之间的数字的表达20-99之间的数词须在十位和个位之间加连字符“-”，如twenty-five。 5百位以上的数字的表达以及读在表达百位以上的数字时，必须在百位，十位和个位之间加and，在读音时也应读上and，如：104可表达为one hundred and four，486读作four hundred and eighty-six。 6 “万”的表达.英语中没有万和亿单词，只有百（hundred），千（thousand），百万（million），十亿（billion）。英语中表示“万”时，用10千。如：forty thousand四万。表示“亿”时需用百万来表示。如：two hundred million两亿。 7 7.1，000以上的数字，从后向前数。每三位数加“，”。第一个“，”前为thousand,第二个“，”前为million,第三个“，”前为billion.3,333,333,333读为three billion,three hundred and thirty-three million, three hundred and thirty-three thousand,three hundred and thirty 8.hundred,thousand,million 前有若有具体数字时，要用单数形式，但如果他们后面有of ,则要用复数形式。同时，前面不能再加具体的数目。二、基数词的用法(1)基数词在句中主要用作主语、宾语、定语、表语、同位语，例如：ThirtyofthemarePartymembers.（主语）-Howmanywouldyoulike？-Three，please（作宾语）ThenineboysarefromTianjin.（定语）Sixplusfouristen.（表语）Wefourwillgowithyou.（同位语）(2)表示一个具体数字时，hundred,thousand,million不用复数；表示一个不确定数字时则用复数。例如：Ourcountryhasapopulationof1,300millionpeople.Therearethreethousandstudentsinourschool.Afterthewar,thousandsofpeoplebecamehomeless.Maizeisthemostimportantfoodcropformillionsofpeopleintheworld.Theyarrivedintwosandthrees(3)表示“十”的数词的复数形式可用来表示人的岁数或年代，例如：HeisinhisearlythirtiesHediedstillinhisfortiesThistookplacein1930s(4)表示时刻用基数词。例如：Wegetupatsix.Theworkersbeginworkateight.表示“几点过几分，用past,但须在半小时以内。例如：ten past ten, a quarter past nine, 表示“几点差几分用to,但分数须在半小时以上。例如：twentytonineaquartertoten表示几点几分用基数词。例如：sevenfifteen,eleventhirty,ninetwenty序数词的构成及用法一、序数词的构成1第一，第二，第三分别为first,second,third.2第四到第十九都有相应的基数词加the构成，有几个特殊，即fifth,eighth,ninth,twelfth.3第几十把y改为i加eth.twentieth,ninetieth4序数词之前要加定冠词或代词。但序数词表名词时，可不用冠词。Whowonfirst?序数词表“再一”，“又一”时不用定冠词，只需在前面加aHefailedonce.Thenhetriedasecondtime.5序数词的缩写形式是在数字后面直接加上序数词最后两个字母构成。1st,2nd,3rd,4th,21st,22nd,34th6100以上的序数词的表示方法第100为100th(读作onehundredth),101st读作onehundredandfirst,其他的依次类推二.序数词的用法（1）序数词主要用作定语，前面要加定冠词，例如：ThefirsttruckiscarryingafootbasketsJohnlivesonthefifteenthfloor（2）序数词有时前面可加不定冠词a来表示再，又这样的意思，例如：WellhavetodoitasecondtimeShallIaskhimathirdtime？WhenIsatdown，afourthmanrosetospeak（3）注意不规则形式：one-first,two-second,three-third,five-fifth,eight-eighth,nine-ninth,twelve-twelfth。（4）表示年，月，日时，年用基数词表示，日用序数词表示。例如：1949年十月一日读作:October(the)first,nineteensixty2004年九月十日读作：September(the)tenth,twothousandandfour（5） 表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。例如：threefourths,onesecond,twofifths（6）序数词缩写形式：first1stsecond2ndthird3rdfourth4thtwenty-second22nd分数的表示法1分数的表示法：分子用基数词，分母用序数词，当分子大与一时，分母用复数形式。2|3twothirds3|5threefifths2整数与分数之间用and连接。One/anhourandahalf3分数的用法结构为“分数+of+the+名词”表示“。的几分之几”，当其作主语时，谓语动词的单复数取决于短语中名词的复数1. About_studentsinourclasscandescribethatplaceinEnglish.2. A.three-fifthsB.three-fifthC.third-fiveD.third-fifths2.Nine_poundsaweek?Thatsverygood.A.hundredofB.hundredsofC.hundredsD.hundred3.Weoftenhavesportsafterclass,andIliketoplay_basketball.A.aB.anC.theD.不填【中考演练】一.单项填空1.ThismorningIhad_eggandabottleofmilkformybreakfast.A.anB.aC.theD./2.-Whatsthematterwithyou?-Icaught_badcoldandhadtostayin_.A.a;/B.a;theC.a;aD.the;the3.-Haveyouseen_pen?Ileftitherethismorning.-Isit_blackone?IthinkIsawitsomewhere.A.a;theB.the;theC.the;aD.a;a4._sunisshiningbrightly.A.AB.AnC.TheD./5.Thereis_“h”inthewordhour.A.aB.theC.anD./6.DidyouenjoyyourstayinXian?Yes.Ihad_wonderfultime.A.aB.anC.theD./7._sunisbiggerthan_earth.A.A;theB.A;anC.The;anD.The;the8.Thereis_appleandsomepearsonthetable.A.theB./C.aD.an9.Davidhas_cat.Itsverynice.A.aB.anC.theD./10. Imreading_novel.Itis_interestingstory.A.a;anB.a;aC.the;theD./;an11.ItissaidthatSARShaskilledmorethan_peopleworldwide.A.threehundredsB.threehundredsC.threehundredsD.threehundred12.-Howmanyworkersarethereinyourfactory?-Therearetwo_.A.hundredsB.hundredC.hundredofD.hundredsof13.-Whichisthesmallestnumberofthefour?-_.A.Two-thirdsB.AhalfC.AquarterD.Three-fourths14.-Whatdoyouthinkofawar,LiMing?-Ivenoidea.Butitsafactthat_peoplehadtoleavetheirhometownduringtheWaronIraq.A.threethousandsB.thousandofC.thousandsofD.severalthousands15.Weallthinkthatthe_centurywillbringusmorehopes.A.twenty-firstB.twentieth-firstC.twenty-oneD.twentieth-one16.-Canyouwritethenumbereighty-fivethousand,sixhundredandtwenty-six?-Yes,itis_.A.856620B.85626C.58662D.5862617.WhenwasthePRCfounded?Itwasfoundedon_.A.July1,1921B.October1,1949C.August1,1927D.May1,192218.Iwas8yearsoldwhenmyfatherwas31.Thisyearmyfatheristwicemyage.HowoldamI?A.21B.22C.23D.2419._ChinesearelookingforwaystolearnEnglishwellbeforeBeijing2008Olympics.A.ThousandB.ThousandsC.ThousandofD.Thousandsof20. Bothofthetworulersarebroken.Iwanttobuya_one.A. threeB.thirdC.forthD./数词跟踪练习1. There are _ days in a year. A. three hundreds and sixty-five B. three hundred and sixty five C. three hundred and sixty-five D. three hundreds and sixty-five2.The volunteers sent _ books to a mountain village school on Childrens Day. A. two hundreds of B. two hundred of C. two hundreds D. two hundred3.I went to college in _ and began to work in _.A. the 1990s; twentyB. the 1980s, twentiethC. 1980; my twentiesD. 1980s, my twenties4.Audrey Hepburn passed away peacefully in her_ (sixty).5. The earthquake happened on the _(20) of April.6. December is the _(twelve) month of a year.7.We had a big family celebration on my grandpas _(ninety)birthday.8. On January 9th this year, London Underground celebrate its _(one hundred and fifty) birthday.9.Two thirds of the water_(be)polluted.10.Two thirds of students _(like)football.11. About _of the students in Grade Nine this year were born in the_.A. three five; 1996. B. three fifths; 1990s C. third fifth; 1997. D. third fifths; 1990s 12. There are days, in a week and Tuesday is _ day of the week. A. seven ,third B. seven ,the third C. seventh ,three D. the seventh, three 13. Please turn to Page _ and look at the _ picture in this unit.A. twentieth; one B. Twenty; oneC. twentieth; first D. Twenty; first14. - How was your weekend? - Great! It was my grandfathers _ birthday. We enjoyed ourselves. A. seventy B. seventieth C. the seventieth D. seventeenth15. The chairperson received about three _ applications to join the Bird watching Club. A.hundred B. hundreds of C. hundred of D. hundreds16. He wrote his _ novel when he was _. A. five; fiftiesB. fifth; fifty C. fifth; fiftieth17. _ visitors come to Xingyi during May Day holidays every year. A. Thousands of B. Two thousands C. Thousand of D. Thousand18. About _of the students in Grade Nine this year were born in the_.A. three five; 1996.B. three fifths; 1