小學(xué)英語數(shù)詞專題及練習(xí)

數(shù)詞一數(shù)的類數(shù)詞分基數(shù)詞和序數(shù)詞）基數(shù)詞是表示自然數(shù)列的例;three,four…..序數(shù)詞是表示先后順序的例:fourth…二基詞序詞表法．基數(shù)詞單詞的拼寫為單詞13~19都以后-結(jié)，至90這的整十?dāng)?shù)都以后綴ty結(jié)，他基數(shù)詞中間加連字符“”再按照上述的變化進(jìn)行。例：21→twenty56--fifty--five三位數(shù)的構(gòu)成為：幾+百末位（或末一位）數(shù)例：→onehundredthirty-two205hundredfive千以上的數(shù)字的讀法：從后面往前，每三位數(shù)作為一個單位，分別為housand,million.32,548,讀作thirtytwomillion,fiveandfortyeightsixfiftytwo序=數(shù)+th(1、3為second,。但以下幾種情況要注意：fifth第五)，eighth第)ninth(第九)，twelfth（第十二）以ty結(jié)的基數(shù)詞變詞尾為例：→twentieth,ninety復(fù)合序數(shù)詞只需要將相應(yīng)數(shù)詞中最后一位變成序數(shù)詞，其余不變。例：第二十一twenty-first第二百四十五twohundred-fifth三基詞數(shù)的法與數(shù)字連用，表示一定量的具體數(shù)字，不用復(fù)，但表示不定概念可用復(fù)數(shù)

例：threehundredpeople基詞表示時刻。例：7點(diǎn)seveno’clock,7:20seventwenty給些事物編號例：first27月1=JulyI(JulyIst)年月3日=3,thethird,nineteenninety-six有分?jǐn)?shù)表示法。分子是基數(shù)詞，分母是序數(shù)詞。當(dāng)分子大于1時分母就用復(fù)數(shù)。例：’veread-fifthofbooks.I’vefinishedthree-fifthsof有倍數(shù)表示法兩倍用三以上用數(shù)+要注意倍數(shù)在句子的位置。例：Thethreetimessizeof十?dāng)?shù)字（個位為零）的基數(shù)詞以復(fù)數(shù)形式出現(xiàn)時，表示年代、年齡例：good-lookinginherforties.(forties指—?dú)q之間四數(shù)練：for10,440is_________.andfortyhundredfortyC.tenhundredandfortyD.thousandandfourhundred,forty本題在于掌握千以上數(shù)字的讀法，在千、百前面有數(shù)字，不加復(fù)數(shù)；百位、十位中間加，每三位為一組，再加相應(yīng)的單位即可，故選BOfworkersinfactoryisaboutthemarewomenThenumber,first-thirdThenumber,C.AAthreequarters

分?jǐn)?shù)表達(dá)法前文闡述已經(jīng)很多示為one-third.要分thenumberof與,thenumberof指…的數(shù)量，謂語動詞用單數(shù)；a意為許多”，謂動詞為復(fù)數(shù)。故選B---numberthousand,hundredandtwenty-six?---it8566285626C.D.85000千以上的數(shù)字，從后往前三個數(shù)為一個單位，即從之順次寫出三個數(shù)即可，即，連在一起即為。故選B._________oftheinourlibraryarewritteninfour–fifthC.four–fifthsfourths-fifth本題考查分?jǐn)?shù)的表達(dá)法，分子用基數(shù)詞，分母用序數(shù)詞，當(dāng)分子大于1，分母用復(fù)數(shù)，因此它的表達(dá)法為four-fifths,故。_________meterssixhundredhundredsfiftytwoC.sixfifty–twoD.sixhundred,fiftyandtwo百、千、百萬等詞與數(shù)字連用不用復(fù)數(shù)，因此不加。其次表示百位數(shù)時要在百位和十位之間（無十位，則在百位和個位之間）加，次在個位與十位之間有連字“-”故本題選A_________NewYear’sDay.oneB.twothefirstD.某月的幾號要用序數(shù)詞表示，讀時序數(shù)詞前要加。選CTaketurningninthnineth根據(jù)題意判斷本題考第幾個轉(zhuǎn)彎處需用序數(shù)詞，拼寫正確的只有

專練aredaysinweek.theseventhIthinkcentury世紀(jì))willmoretwenty-oneB.twenty-firstD.twentieth-one--Howarethereinyour--_________inour_________twoThenumberof;B.;areA;isD.Anumberof;arestudentisin_________.Class2ClassC.2Class2thereinyourschool?--_________,but’mnotsure.HundredsB.HundredHundredsoftheinaboutonehundred,themarewomenteachers.Thenumber,two-thirdsB.number,two-thirdC.AAthree-quarters---Dad,whenwillyoubeYouagreedtogowithago.---IamJean.IIwillhave_________holidayB.four-dayC.fourdaysD.day8.Zhiyi’stransfertoDundeeFootballClubattheendoflastyeararoused激)_______Chinesepeople’sinterest.thousandofB.thousandC.happenedon_________.1989,Oct21stOct.21st,1989C.21198921stof

10."SevencanbefivefiveC.sevenfivesfive11Therearedaysina．AhundredandsixtyfiveBhundredsixty-five．a(chǎn)ndsixtyfiveD．threehundredsandsixtyfive12Dannyin__________．AroomBRoom404．roomD．40413in．Aclassone，sixBgrade，six．One，D．ClassSix14Thecost_________．AfivehundredfortyB．hundreds．hundredfortyD．hundred15____________．AeightytwofortyfourBeighttwodoublefourO．eighttwoforty-fourD．eighttwozero16Istherefoodfor_________?AtenBtenththeDtheten17Maryisgirl．a(chǎn)nyearoldB8一yearsold．the8years