1、專題四數(shù)詞考點一基數(shù)詞數(shù)字基數(shù)詞形式例詞0-12各自獨立zero0;one1;nine9;twelve1213-193-9+重讀teen結(jié)尾特殊ihirtecu13;llfteen15:eighteen18一般加teenfourteen14;sixteen1620-90整十位數(shù)以ty結(jié)尾twenty20;thirty30;forty40;fifty50;sixty60;seventy70;eighty80;ninety90兩位數(shù)幾十幾整十位數(shù)-個位數(shù)twenty-one21;thirty-five35;ninety-eight98三位數(shù)幾百幾hundredand+兩位數(shù)sevenhundred

2、andeighty-five785;twohundredandten210多位數(shù)從右向左數(shù)起每隔三位數(shù)加一個逗號依次為thousand(千)million(百萬)bil】ion(十億)，逗號中間三位數(shù)76,832,154,968seventy-sixbillioneighthundredandthirty-twomilliononehundredandfifty-fourthousandninehundredandsixty-eight考點二序數(shù)詞數(shù)字序數(shù)詞變化規(guī)則例詞1、2、3不規(guī)則變化first第一;second第二山id第三4-19基數(shù)詞詞尾加th特殊fifth第五eighth第八】im

3、h第九1welfth第十二fourth第四nineteen十九20、3090ty變?yōu)閠ie再加thtwentytwentieth第二十ninetyninetiet第九十兩位數(shù)或多位數(shù)整數(shù)除外只變個位數(shù)（hundred,thousand等只在詞尾加th）twenty-third第二十三nnehundredandfifty-ninth第一白五十九hundredth第一百【溫馨提示】(1)序數(shù)詞要加定冠詞the但若序數(shù)詞前有形容詞性物主代詞或名詞所有格時省略the例如Tommadethemistakeforthethirdtime.=ItwasTom'sthirdtimetoma這ther是

4、湯姆第三次出錯。(2) 序數(shù)詞前加a/an表示又一再一”例如EventhoughtheGreenshave3children,theystillwantafourthone.盡管格林夫婦已有3個孩子可他們還想再要一個。(3) 序數(shù)詞可以用阿拉伯數(shù)字和序數(shù)詞拼寫的最后兩個字母簡寫。例如1st第一2nd第二第三第四。名稱表達法例詞年份特別提示年份的讀法前兩位數(shù)，再讀后兩位數(shù)，讀日時要加the可先讀1997年3月21日Marchthetwenty-first,nineteenninety-seven日期月日年日用序數(shù)年用基數(shù)日月年the+序數(shù)詞+of+月年2007年3月21日thetwenty-fi

5、rstofMarch,twothousandandseven年代in+the+數(shù)詞的復(fù)數(shù)形式在18世紀20年代一inthe1720's/1720s讀作inilwseventeentwenties時刻時在前分在后按基數(shù)詞讀10:15tenfifteen分在前時在后幾點過幾分”用past分鐘數(shù)須小于半小時包括半小時在內(nèi)7:05fivepastseven7:15fifteenpastseven7:30halfpastseven幾點差幾分“用介詞to,但分鐘數(shù)須在半小時以內(nèi)不包括半小時在內(nèi)7:57threetoeight11:46fourteentotwelve2:40twentytothre

6、e幾刻鐘一刻鐘aquarter三刻鐘threequarters九點一亥Uaquarterpastnine編號給東西編號時：序號在前用序數(shù)詞lessontwelve=thetwelfthlesson序號在后用基數(shù)詞分數(shù)分子用基數(shù)詞分母用序數(shù)詞記憶口訣分子基分母序分子大于】分母加s特別提示：通常二分之一用a/onehalf表示。四分之一用a/onequarter表示，三分之一onethirdtwothirdsfourfifthsseventenths帶分數(shù)當分數(shù)前面帶有整數(shù)時，要用連詞and連接twoandtwothirds倍數(shù)英語用twice表示兩倍兩倍以上用基數(shù)詞加times表示twice兩倍

7、threetimes三倍fortytimes四十倍中考真題1. 用所給數(shù)詞的適當形式填空2012h遵義中考1Ikwutriedthreelimes,andtheteacherasksmetohavea(IbLiijtry.2. (2011揚州中考)EvenachildknowsSeptemberisthe(nine)monthofayear.答案rth煙臺中考肇慶中考上海中考答案3,fortiethn.單項選擇2.ninthrvcboughtapresentformyfather's(forty)biilliday.Mr.Smithlivesontlic(six)floor.(elev

8、en)flooi;andyoucanenjoyabclicrview.Climbupio(he4.sixth1.2012六盤水中考TherearcdaysinaweekandTLicsdayisdavoftheweek.*5.eleventhA.seven;thirdB.seven;thethirdC. seventh;threeD.theseventh;three第二個【解析】選B。句意一個周有七天星期二是一個周的第三天。第一個空用基數(shù)詞表示數(shù)量空用序數(shù)詞表示次序且其前加the。故選Bo2.2011東營中考一Thereare60studentsinmyclassand44ofthemusew

9、eiboveryoften.Thatmeansaboutofyourclassmatesareweibousers,right?A.halfB.onethirdC.twothirdsD.threequarters【解析】選Do考查數(shù)詞的用法。half二分之一叩亡加呃三分之一twothirds三分之二threequarters四分之三。由常識可知44大約是60的四分之三故選Do二20111眉山中考Eighlstudentsinourschoolarefromcountryside.D.hundredof不能與of短語連用。A.hundredsB.hundredC.hundredsofnovelw

10、henhewas【解析】選Bohun抿dthoii甜ndmillion等詞與基數(shù)詞連用時應(yīng)該用單數(shù)形式故選Bo4.2012恩施中考llcwro忙hisA.five;fiftiesB.fifth;fiftyC.fifth;fiftieth【解析】選B。句意當他五十歲的時候他寫了他的第五部小說。第一個空用序數(shù)詞表順序空用基數(shù)詞表年齡。July1stofthisvearis*第二個i2011-懷化中考A.ninety【解析】選C。句意6*2011衡陽中考曲h咖oCPC（中國共產(chǎn)黨）.B.theninetyC.theninetieth今年7月1日是黨的第九十個生日。表達第多少個生日時用序數(shù)詞Kangk

11、angisaschoolboy.Hegotagoodgillonhisbirthday.故選CoA.fourteenthB. fortiethC.thefortieth序數(shù)詞與【解析】選A。由schoolboy可知康康應(yīng)該是十四歲而不是四十歲。表達生日時用序數(shù)詞物主代詞連用時其前面的冠詞要省略。故選AoI2011德陽中考1don'tbelieveihmthisboycanpaintSLichanicepicture.A.fiveyearsoldB.five-years-oldC.five-year-old【解析】選Co由數(shù)詞-名詞-形容詞”構(gòu)成的復(fù)合形容詞作定語時其中間的名詞用單數(shù)形式

12、故選Co&2012h銅仁中考AboutstudentsinGrtidcNiiicthisyearwereborninthe.A. threefive;1996B.threefifths;1990sC.thirdfifth;1997D.thirdfifths;1990s【解析】選Bo分數(shù)的構(gòu)成為分子用基數(shù)詞，分母用序數(shù)詞，分子如果大于1,則分母序數(shù)詞一般都用復(fù)數(shù)形式故選B“a+2ab+仁？920111達州中考一Ifa=4,b=5,what'stheanswertothequestionA.Forty-fifthB.Forty-fiveC.Twenty-threeD.Onehundredandtwenty-one【解析】選Bo考查基數(shù)詞的表達。由題意a二4b=5可知a+2ab+1=45bfort