英语基础必备系列-数词

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1、词法大全（四）-数词Contents基数词序数词分数、小数、百分数时间的表达日期的表达大显身手数词20-99twentytwenty-onetwenty-twotwenty-three基数词0-12zeroonetwothreefourfivesixseveneightnineteneleventwelve13-19thirteenfourteenfifteensixteenseventeeneighteennineteentwenty-fourtwenty-fivetwenty—sixtwenty-seventwenty-eighttwenty-ninethirtyfor

2、tyfiftysixtyseventyeightyninety100及以上onehundredonehundredandoneonehundredandtwo数字的英文读法hundredthousandmillionbillion284twohundredandeighty-four5599fivethousandfivehundredandninety-nine3758590threemillionsevenhundredandfifty-eightthousandfivehundredandninety72893934900seventy-twobillioneight

3、hundredandninety-threemillionninehundredandthirty-fourthousandandninehundred注意threehundredthousandhundredsofthousandsofmillionsofbillionsofseveralfivethousandeightmillion数以百计的，成百上千的数以千计的，成千上万的数百万的，成百上千万的数十亿的序数词firstsecondthirdfourthfifthsixthseventheighthninthtenthtwentiethsixtietheightiet

4、hthirty-firstforty-secondfifty-ninth基变序，有规律，一、二、三，个别记;-th从四起,八加-h,九去一e；-ve要用-f替，以y结尾变-ie；几十几，几百几，首词不变尾变序。注意序数词前通常加the,如thefirst如序数词前有物主代词，则不加the,如mysecondEnglishteacher分数读法：分子用基分母序分子大于1,分母用复数1/2ahalf1/3onethird1/4onefourth或aquarter2/3twothirds百分数读法：数字+percent30%thirtypercent小数读法：数字+point+单

5、个数字0.1zeropoirrt10.01zeropointzeroone12.53twelvepointfivethree超级考点70percentoftheearth，ssurfaceiswater・ThreefourthsofthestudentsarefromAmerica.主语中包含分数时，谓语动词的单复数与分数无关。时间的表达3:00threeo，clock直接表达法2:35twothirty-five8:49eightforty-nine间接表达法前半小时（包括半小时）4:20twentypastfour9:30thirtypastnineorhalfpast

6、nine后半小时7:35twenty-fivetoeight11:45fifteentotwelveoraquartertotwelve日期的表达美式July10(th),2011读法：Julythetenth,twothousandandeleven英式10thJuly,2011读法：thetenthofJuly,twothousandandeleven大显身手64858800009:407:152008年8月8日1.What'sthedatetoday?[t，s.A.FridayB・timetogoC.cloudyD.June4th2・Look!Thereareinth

7、esky.A.thousandstarsB・thousandofstarsC・thousandsofstarsD・thousandsofstar3・Mybrotherisin・A.ThreeClass,OneGradeB・ClassThree,GradeOneC・GradeOne,ClassThreeD・classthree,gradeone4・Nowletmehave・A.thethirdtryB・athirdtryC・thirdtryD・thisthirdtry5・Onlythreepercentoftheco