中考英语专题复习数词(有答案).doc

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1、初中英语专辑——数词数词分为基数词和序数词。用于表示事物数目的词称为基数词，表示事物顺序的词称为序数词。1.基数词(1000以内的基数词的读法)365—threehundredandsixty-five505—fivehundredandfive2.基数词变序数词的方法：基变序，有规律；词尾要加th。一二三，特殊记；词尾分别tdd。八去t，九去e；ve则以f替。ty则变作ti;后面还有一个e。要是遇到几十几；只将个位变成序。eg.one—firsttwo—secondthree—thirdeight—eighthnine—ninthtwelve—twelfthtwenty—twent

2、iethtwenty-one–-----twenty-firstthirty-secondforty-thirdfifty-fourth3.数词的应用：A、时刻表达法：a.整点：基数词+o’clockeg.It’seighto’clocknow.b.几点几分：1．直接表达法：先小时后分eg.3:25threetwenty-five2.间接表达法：先分后小时1)(<30分钟)用past：分钟past小时eg.3:25twenty-five(minutes)pastthree2)(>30分钟)用to：(60-分钟数)to(小时数+1)eg.3:35twenty-five(minutes)

3、tofour3)30分钟=half15分钟=aquartereg.3:30threethirty=halfpastthree3:15threefifteen=aquarterpastthree.3:45threeforty-five=aquartertofourB、日期表达法：月日，年（或日月年）1949年10月1日:October1st,nineteenforty-nine=thefirstofOctober,nineteenforty-nine2011年:theyeartwothousandandeleven=twentyhundredandeleven2001年:twentyo

4、one=twothousandandone3月1日:Marchthefirst=thefirstofMarchC、表编号：第207房间：Room207第五课：Lesson5=thefifthlessonD、序数词与不定冠词(a;an)连用表“又一；再一”eg.You’vedoneitthreetimes.Whynottryafourthtime?E、分数的表达：分子（基数）、分母（序数）eg.onethird三分之一twothirds三分之二注意：1.分子超过1时，分母加s2.含分数的短语作主语由分数后的词决定谓语eg.1)Onethirdofthestudentsaregirls.

5、2)Onethirdofthemilkismine.3.分数的特殊形式1)onethird=athird2)onefourth=aquarterthreefourths=threequarters3)onesecond=ahalfF、一些数词的复数+of表约数：hundredsof;thousandsof;millionsofinone’sthirties/twenties/forties----inthe1990sinthe1940s练习()1.Ifyougooutatnight,you’llbeabletosee____starts.A.thousandsofB.thousand

6、ofC.ninethousandsofD.thousands()2.Mondayis___dayoftheweek.A.firstB.thefirstC.thesecondD.second()3.You’vedoneittwice.Whynottry____time?A.thirdB.thethirdC.athirdD.once()4.Whichisthe____month?It’sSeptember.A.nineB.ninethC.ninthD.ninety()5.Decemberis___oftheyear.A.thetwelfthmonthsB.thetwelfthmonthC

7、.thetwelvethmonthsD.twelvemonths()6.Therearefloorsinthebuildingandhelivesonthefloor.A.eighteen,fifteenB.eighteenth,fifteenthC.eighteen,fiveteenD.eighteen,fifteenth()7.Iwasborn___,2001.A.onJune2rdB.inJune2ndC.onJunetwoD.onJune2()8.