数词-2025年中考英语语法专项突破与提升训练

专题18数词

一、基数词

one,two,three,four,five,six,seven,eight,nine,

1-12单独记

ten,eleven,twelve

thirteen,fourteen,fifteen,sixteen,seventeen,

13-19-teen结尾

eighteen,nineteen

twenty,thirty,forty,fifty,sixty,seventy,eighty,

整十数-ty结尾

ninety

非整十数十位数-个位数21twenty-one

100以上百位数and十位数-个位数333threehundredandthirty-three

一百万amillion

十亿abillion

(-)用法

(1)表示数量

①与hundred,million,billion连用，表示准确的数量，数量单位没有s!

fivehundredtrees五百棵树

②表达不准确的数量，则用［...s+of］结构

常见搭配：hundredsof数以百计thousandsof数以千计millionsof数以百万计billionsof数以十亿

计dozensof几十个

hundredsoftrees数以百计的树dozensofstudents几十个学生

［TIPS］：有具体数字，啥都没有；没数字，即有s也有of

(2)表示年代

表示在某个年代，前要用定冠词，年代的数词要词尾+s

在19世纪20年代：inthe1820s在20世纪80年代：inthe1980s

(3)基数词可以和名词搭配做定语，修饰名词。中间需要有连字符，并且中间名词要单数。

一个3天的旅行：athree-daytravel

一个5分钟的路程afive-minutewalk

(4)基数词可用来描述长宽高

基数词+单位词(meter,foot,inch,kilogram)+形容词(long,wide,high,tall)

twometerslong2米长

threemeterstall3米高

(5)基数词和another连用，表示，，又...，再”

Anotherthreedayspassed.又三天过去了。

(6)表示倍数

一倍：once两倍：twice/double三倍及以上：“基数词+times”

①“倍数+比较级+than”

Theroomistwicelargerthanours.这间房子比我们的大两倍。

(7)表示顺序

名词(首字母大写)+基数词Page34第34页UnitSix第六单元

(8)表示年龄

①表达确切的年龄一基数词+yearsold/attheageof基数词

Iam18yearsold.我18岁。=1amattheageof18.

②不确切的年龄-inone's整十基数词的复数在某人…岁时

Shecanstillswimfastinherseventies.在她70多岁，还可以游得很快。

即时演练A

1.Itisfiveyearssincewebegantoenjoyaspringholidayeachyear.

A.sevendayB.sevendaysC.seven-dayD.seven-days

2.ThewinnerwasaboyfromChina.

A.l9-years-oldB.l9-year-oldC.l9-year-oldsD.19yearsold

3.peopleintheworldaresendinginformationbye-maileveryday.

A.severalmillionsB.ManymillionsC.AmillionsD.Millionsof

4.Basketballissoexcitingthat_peopleplayitforfun.

A.millionB.twomillionsC.millionofD.millionsof

5.Hewasonlyinatthattime.

A.his20'sB.the201sC.histwentiesD.thetwenties

6.Thestoryhappened___________.

A.in1970'sB.inhis70'sC.in701sD.inthe19701s

7.Youcanfindhimin___________.

A.Room201B.201RoomC.theRoom201D.the201Room

二、序数词

序数词用于表示顺序。

（一）构成

1,2,3特殊记first,second,third

fourth,fifth,sixth,seventh,eighth

4-19+th（五八九十二特殊变）

ninth,tenth,eleventh,twelfth,...

整十的y改i+ethtwentieth,thirtieth

非整十的只变个位数twenty-first

（二）用法

1.表示顺序，表示为“第几”，前要有定冠词the

thefirstmonth第一个月thesecondtime第二次

【注意】序数词前有形容词性物主代词或名词所有格修饰，不用the

Marryishersecondchild.Mary是她第二个孩子。

ThisisLucy'sthirdtimetotryit.这是Lucy第三次尝试了。

2.a/an+序数词，表示“又一，再一”

asecondtry再一次尝试

3.表达世纪-the+序数词+century

21世纪the21stcentury22世纪the22ndeentury

4.表达日期一月/日/年或者日/月/年或者the日期of月份

日期用序数词，the可有可无，序数词后的缩写有时候可以不用

年份用基数词

2023年1月1日

Janl(st)2023或者Janthe1st2023或者the1stofJanuary

5.分数的表达

英语中分数的表达和中文相反，先说分子，再说分母，从上往下说。

分子用基数词，分母用序数词【分子基，分母序】

分子大于1,分母+s

三分之一onethird四分之三threefourths

【注意】部分分数的常用表达

二分之一a/onehalf四分之一'aquarter四分之三threequarters

即时演练B

litissaidthatofthewaterallovertheworldpolluted.

A.two-three;isB.two-thirds;isC.two-thirds;areD.two-thirds;has

2.AboutofthestudentsinGradeSeventhisyearwerebornin.

A.thirdfifths;1990sB.threefifths;the1990s

C.threefifths;1990sD.thirdfifths;the1990s

3.TherearedaysinaweekandTuesdayis_dayoftheweek.

A.seven;thirdB.seven;thethirdC.seventh;threeD.theseventh;three

4.Onherbirthday,shegotaniPadasagiftfromherfather.

A.twelveB.thetwelveC.twelfthD.thetwelfth

5.Inordertofindabetterjob,hedecidedtostudysecondlanguage,(a/an/the)

综合练习

1.peoplecametoGuangzhouforavisitduringholidays.

A.thousandB.thousandsofC.fivethousandsD.fivethousandsof

2.--Haveyouseenworkerspassby?--Yes,I'veseenthem.

A.woman;hundredsofB.women;hundredsofC.woman;twohundredof.D.women;hundreds

3.TherearepeopleinDales*family.Theyliveonthefloor.

A.five;nineB.fifth;nineC.five;ninthD.fifth;ninth

4.Hehasbooks.

A.twodozensB.dozenofC.dozensofD.twodozensof

5.Shelivesin.

A.Room512B.512RoomC.the512RoomD.theRoom512

6.Havingdonethreeexperimentswithoutrest,theyweresowornouttogoonwithone.

A.afourthB.thefourthC.fourthD.afour

7.Sheisnow.

A.in50yearsoldB.inherfiftiesC.infiftyyearsD.inthefifty

8.SummerOlympicswasheldinBarcelonainSpain.

A.TheTwenty-fourB.Twenty-fourC.TheTwenty-fourthD.Twenty-fourth

9.ThisisthebookIhaveread.

A.ninethB.nineteenC.ninthD.ninetieth

lO.TheSecondWorldWarbrokeoutin.

A.1930'sB.the1930esC.the1930sD.1930s

11.Tomorrowishisbirthday.

A.seventhB.sevenC.seventeenD.theseventh

12.Hainanisisland.

A.China'ssecondlargestB.theChina*ssecondlargest

C.thesecondChina'slargestD.China*sthesecondlargest

13.Septemberismonthoftheyear.

A.ninthB.nineC.thenineD.theninth

14.—Whatdateisit?-It's.

A.Julytwentieth-firstB.ofJulytwenty-first

C.thetwenty-firstofJulyD.thetwentieth-firstofJuly

15.Hehasjustfinishedwritingaarticle.

A.nine-hundred-wordsB.nine-hundreds-word

C.nine-hundred-wordD.nine-hundreds-words

16."Pleaseturntoandlookatthetext.^^

A.Page29B.thepage29C.apage29D.29page

17.Aftertheriding,wehavecoveredofthewholedistance.

A.four-hour;three-fourthsB.four-hours;three-fourth

C.four-hour;three-fourthD.four-hours;three-fourthes

18.--Whichisthebiggestnumberofthefour?—.

A.One-thirdB.Two-thirdsC.AhalfD.Aquarter

19.About_ofthestudentsinourclasswerebornin

A.two-thirds;the1990sB.two-thirds;the1990C.two-third;1990sD.two-third;the1990

2O.Whenshew