中考英語(yǔ)專(zhuān)項(xiàng)練習(xí)-----數(shù)詞.doc

基數(shù)詞的構(gòu)成及用法構(gòu)成 一、基數(shù)詞的構(gòu)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的數(shù)字皆以-teenti：n結(jié)尾，其中，fourteen，sixteen，seventeen，eighteen和nineteen分別由four，six，seven，eight，nine加后綴-teen變成的，eighteen中只保留一個(gè)t。thirteen，fifteen分別由three和five轉(zhuǎn)花而來(lái)。 320-90數(shù)字的表達(dá)20-90的數(shù)字皆以-ty結(jié)尾，其中，sixty，seventy，eighty，ninety分別由six,seven,eight和nine加后綴ty構(gòu)成，eighty中只保留一個(gè)t。其他同上。 420-99之間的數(shù)字的表達(dá)20-99之間的數(shù)詞須在十位和個(gè)位之間加連字符“-”，如twenty-five。 5百位以上的數(shù)字的表達(dá)以及讀在表達(dá)百位以上的數(shù)字時(shí)，必須在百位，十位和個(gè)位之間加and，在讀音時(shí)也應(yīng)讀上and，如：104可表達(dá)為one hundred and four，486讀作four hundred and eighty-six。 6 “萬(wàn)”的表達(dá).英語(yǔ)中沒(méi)有萬(wàn)和億單詞，只有百（hundred），千（thousand），百萬(wàn)（million），十億（billion）。英語(yǔ)中表示“萬(wàn)”時(shí)，用10千。如：forty thousand四萬(wàn)。表示“億”時(shí)需用百萬(wàn)來(lái)表示。如：two hundred million兩億。 7 7.1，000以上的數(shù)字，從后向前數(shù)。每三位數(shù)加“，”。第一個(gè)“，”前為thousand,第二個(gè)“，”前為million,第三個(gè)“，”前為billion.3,333,333,333讀為three billion,three hundred and thirty-three million, three hundred and thirty-three thousand,three hundred and thirty 8.hundred,thousand,million 前有若有具體數(shù)字時(shí)，要用單數(shù)形式，但如果他們后面有of ,則要用復(fù)數(shù)形式。同時(shí)，前面不能再加具體的數(shù)目。二、基數(shù)詞的用法(1)基數(shù)詞在句中主要用作主語(yǔ)、賓語(yǔ)、定語(yǔ)、表語(yǔ)、同位語(yǔ)，例如：ThirtyofthemarePartymembers.（主語(yǔ)）-Howmanywouldyoulike？-Three，please（作賓語(yǔ)）ThenineboysarefromTianjin.（定語(yǔ)）Sixplusfouristen.（表語(yǔ)）Wefourwillgowithyou.（同位語(yǔ)）(2)表示一個(gè)具體數(shù)字時(shí)，hundred,thousand,million不用復(fù)數(shù)；表示一個(gè)不確定數(shù)字時(shí)則用復(fù)數(shù)。例如：Ourcountryhasapopulationof1,300millionpeople.Therearethreethousandstudentsinourschool.Afterthewar,thousandsofpeoplebecamehomeless.Maizeisthemostimportantfoodcropformillionsofpeopleintheworld.Theyarrivedintwosandthrees(3)表示“十”的數(shù)詞的復(fù)數(shù)形式可用來(lái)表示人的歲數(shù)或年代，例如：HeisinhisearlythirtiesHediedstillinhisfortiesThistookplacein1930s(4)表示時(shí)刻用基數(shù)詞。例如：Wegetupatsix.Theworkersbeginworkateight.表示“幾點(diǎn)過(guò)幾分，用past,但須在半小時(shí)以?xún)?nèi)。例如：ten past ten, a quarter past nine, 表示“幾點(diǎn)差幾分用to,但分?jǐn)?shù)須在半小時(shí)以上。例如：twentytonineaquartertoten表示幾點(diǎn)幾分用基數(shù)詞。例如：sevenfifteen,eleventhirty,ninetwenty序數(shù)詞的構(gòu)成及用法一、序數(shù)詞的構(gòu)成1第一，第二，第三分別為first,second,third.2第四到第十九都有相應(yīng)的基數(shù)詞加the構(gòu)成，有幾個(gè)特殊，即fifth,eighth,ninth,twelfth.3第幾十把y改為i加eth.twentieth,ninetieth4序數(shù)詞之前要加定冠詞或代詞。但序數(shù)詞表名詞時(shí)，可不用冠詞。Whowonfirst?序數(shù)詞表“再一”，“又一”時(shí)不用定冠詞，只需在前面加aHefailedonce.Thenhetriedasecondtime.5序數(shù)詞的縮寫(xiě)形式是在數(shù)字后面直接加上序數(shù)詞最后兩個(gè)字母構(gòu)成。1st,2nd,3rd,4th,21st,22nd,34th6100以上的序數(shù)詞的表示方法第100為100th(讀作onehundredth),101st讀作onehundredandfirst,其他的依次類(lèi)推二.序數(shù)詞的用法（1）序數(shù)詞主要用作定語(yǔ)，前面要加定冠詞，例如：ThefirsttruckiscarryingafootbasketsJohnlivesonthefifteenthfloor（2）序數(shù)詞有時(shí)前面可加不定冠詞a來(lái)表示再，又這樣的意思，例如：WellhavetodoitasecondtimeShallIaskhimathirdtime？WhenIsatdown，afourthmanrosetospeak（3）注意不規(guī)則形式：one-first,two-second,three-third,five-fifth,eight-eighth,nine-ninth,twelve-twelfth。（4）表示年，月，日時(shí)，年用基數(shù)詞表示，日用序數(shù)詞表示。例如：1949年十月一日讀作:October(the)first,nineteensixty2004年九月十日讀作：September(the)tenth,twothousandandfour（5） 表示分?jǐn)?shù)時(shí)，分子用基數(shù)詞表示，分母用序數(shù)詞表示。分子大于1時(shí)，分母加-s。例如：threefourths,onesecond,twofifths（6）序數(shù)詞縮寫(xiě)形式：first1stsecond2ndthird3rdfourth4thtwenty-second22nd分?jǐn)?shù)的表示法1分?jǐn)?shù)的表示法：分子用基數(shù)詞，分母用序數(shù)詞，當(dāng)分子大與一時(shí)，分母用復(fù)數(shù)形式。2|3twothirds3|5threefifths2整數(shù)與分?jǐn)?shù)之間用and連接。One/anhourandahalf3分?jǐn)?shù)的用法結(jié)構(gòu)為“分?jǐn)?shù)+of+the+名詞”表示“。的幾分之幾”，當(dāng)其作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)取決于短語(yǔ)中名詞的復(fù)數(shù)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【中考演練】一.單項(xiàng)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./數(shù)詞跟蹤練習(xí)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 fifth