初中數詞語法及練習初中數詞語法及練習初中數詞語法及練習B：數詞專項第一部分：知識點分析一、基數詞

1）基數詞讀法：月，日，年，如2007年六月十三日讀作:June(the）thirteenth,twothousandandseven具體某一天用介詞ononMonday，onTuesday，May24(星期，月，日)（主要體現在口語考試和聽力題目中）2)表示一個具體數字時，hundred，thousand,million，，dozen，score一律不用復數；在表示一個不確定數字時則用復數。(確數沒s，概數加s，ofs同出現）例如：Therearethreethousandstudentsinourschool.Afterthewar,thousandsofpeoplebecamehomeless?；鶖翟~位置：“名詞+基數詞"Lesson15;Room1506或者用“the+序數詞+名詞”TheFifteenthLessonthethirdfloor,Paragraph2，No,11、時間均用基數詞表示：1）順讀法,先說“點鐘”，再說“分鐘”，如：2：15twofifteen6:20sixtwenty2）逆讀法30分鐘以內:“分鐘數+past+鐘點數”，如:3:20———twentypastthree2：10-——tenpasttwo半小時用half，15分鐘用aquarter：2:15——-aquarterpasttwo3：30——-halfpastthree30分鐘以外要用：“分鐘數+to+下一個鐘點”，如：4:35--—twenty—fivetofive2：55——-fivetothree在一些表示”一排"或"一組”的詞組里；

如：Theyarrivedintwosandthrees.他們三三兩兩的到達了。

1)表示"幾十歲”，inone's+數詞例如：Hediedinhisforties．

2）表示”年代",用in+the+數詞復數；inthe1960s.一到十二分別記。十三到十九都帶teen二十到九十整的數,ty結尾別忘記要是表示幾十幾，一橫十位連各位。onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty—onethirty—eightfifty-threeahundredathousandamillionabillion4)數詞形容詞(只能做前置定語）Aboyfiveyearsold.Afive-year-oldboy。二、序數詞The加序數詞表第幾，a加序數詞表又一,再一1)序數詞主要用作定語,前面要加定冠詞，例如：Thefirsttruckiscarryingalotofbaskets．2）序數詞有時前面可加不定冠詞來表示“再一"，“又一"這樣的意思，例如:We'llhavetodoitasecondtime．3)1至12序數詞：one--—first，two—-—second，three---third,four-–fourthfive-—-fifth,six—sixth,seven—seventh,eight---eighth,nine--—ninth，ten—tenth，eleven-—eleventhtwelve———twelfth縮寫形式：first→1st

second→2ndthird→3rd

fourth→4thtwenty-second→22ndfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundredthtwenty—firstninety-nintyahundredandfifty-third4)分數:分子用基數，分母用序數，分子大于1,分母加-s.分數修飾的名詞作主語。謂語動詞的單復和名詞一致。threefourths,onesecond,twofifths，threequarters 數詞與小時的搭配half一半,ahalfoneandahalfhour，twohoursandahalfthreehourshalfanhour倍數表示法

主語+謂語+倍數+as+形容詞+asAisthreetimesasbigasB主語+謂語+倍數+形容詞比較級+thanAisthreetimesbiggerthanB主語+謂語+倍數+thesize（length,breadth,level）+ofAisthreetimesthesizeofB3、易錯點Wewillhavea_________holidayaftertheexam.

A。twomonthB。two-monthC。twomonth'sD。two-months答案:B（選擇C的同學要注意應用twomonths’；選擇D的同學要注意名詞之間有“-“后的組合詞當作形容詞來用，因此就不用所有格形式了.)。_______treesarecutdownintheforestseveryyear。

A。ThousandB。ThousandsC。ThousandofD.Thousandsof答案：D。（選擇C的同學注意詞組記憶的準確性)Oursportsmeetingwillbeheld________.

A.on24,Tuesday,AprilB。inApril24，TuesdayC.onTuesday，April24D。inAprilTuesday24答案:C.(具體某一天介詞on,時間排序：星期，月，日）

2002,5,20：May20th,2002，thetwentiethofMay,2002注意：數詞形容詞作定語時，一般用單數形式aseven—year-oldboy4.Ourschoolwillholdasportsmeetingnextweek。TomandIwillbeinboys’。A。800—metres-raceB.800—metresraceC.800—metreraceD。800metrerace答案:C.800來修飾race，有兩種表達法，800-metrerace或800metres'race.5。I’mveryhungry,Ihaveeatentwocakes,wouldyoupleasegivemeone?A.moveB.threeC.athirdD.thethird答案:C.序數詞前加不定冠詞，表示“又一,再一”，表示another.6.ofthelandintheworldiscoveredbywater.A。FourthreeB。ThreefourC。ThreefourthD。Threefourths答案：D.此題考查分數的寫法,如果分子大于1，分母用復數.例6Wewillhaveholidayinthewinter.A.fourweeksB.afour—weekC.fourweekD。afourweeks答案：B。此題為一個四星期的假期，數次形容詞作前置定語。1．—--Howmanyworkersarethereinyourfactory？-——Therearetwo__________.A.hundredsB.hundredC。hundredofD。hundredsof2．About________studentsinourclasscandescribethatplaceinEnglish.A。three-fifthsB。three-fifthC.third-fiveD。third-fifths3．—--Canyouwritethenumbereighty—fivethousand，sixhundredandtwenty—six？-——Yes，itis__________。A。856620B。85626C.58662D.586264．。WhenwasthePRCfounded？Itwasfoundedon_________。A。July1,1921B。1,1949，OctoberC.August，19271，D.1，May，19225．。_______ChinesearelookingforwaystolearnEnglishwellbeforeBeijing2008Olympics.A.ThousandB.ThousandsC。ThousandofD.Thousandsof6．MrZhangteachesatMiddleSchool.A.aNo.5B.No。5C.theNo.5thD.5thNo7．Johnlivesonfloor.twentyB.twentiethC。thetwentiethD.thetwentyth8．Hehasworkedonthefarmforyears。A.twoandhalfB。twoandahalfC.ahalfandtwoD。twohalvesanda1．ItissaidthatSARShaskilledmorethan________peopleworldwide。A.threehundredsB.threehundreds’C.threehundred’sD.threehundred2．-Whatdoyouthinkofawar，LiMing？—I'venoidea.Butit’safactthat_______peoplehadtoleavetheirhometownduringtheWaronIraq.A.threemillionsB。millionofC.millionsofD。severalmillions3．Bothofthetworulersarebroken。Iwanttobuya_______one.A.threeB。thirdC。forthD./4._______oftheearth_______madeupofoceans。A。Two—third；isB。Two-thirds;isC。Two—third；areD。Two—thirds;are5.Since1964,_______satelliteshavebeensentintospace。A。dozensofB.fourdozensC.dozenofD。severaldozens6.Jac