英语中基数词、序数词、分数、小数和百分数的读法.ppt

意人,英语中基数词、序数词、分数、小数和百分数的写法,读法庞heht[霜1.基数词的读法:A.23一twenty-three89一eighty-nineB.223一twohundredandtwenty-three416一fourhundredandsixteen809一eighthundredandnineHowtosay?萨Thundred干thousand万tenthousand十万onehandredthausand百万rmiliiont千万ˇtenmilion邛乙onethousandmillion语仁billionC.1000以上的数从后向前数,每三位数加一“(千分位);第一个“,“号前为thotsandi第二个“号前为minlion;第三个“,号语义billion女口′1001一onethousandandone4,000一fourthousand9,743-一ninsthoasantsevenhrndredandforty-three174,301一a(one)hundredandseventy-fourthousand,threehundredandone750,000,000一sevenhundredandfiftymillion2.序数词的读法序数词一般以与之相应的基数词加词尾-th构成,如:tenth(第十),但下面这些基数词在变序数词时,有特别的地方。

如:A.0ne一firsttwo一secondthree一thirdˇfive一fiftheight一eighthnine一ninthtwelve一twelfthB.以-ty结尾的词,要先变-y为-i,再加-Ethl3如:twenty一twentieth“forty一fortiethC.以one,two,three,five,nine收尾的多位序数词,要照第一条方法变如:twenty-one一twenty-firsttwenty-two一tWenity-secoHidthirty-five一thirty-fifthninety-nine一ninety-ninthahundredandfifty-three一ahundredandfifty-third3.分数词的读法基数词(分子)/序数词(分母),分子大于1,分母用复数.如:X一one-fourth2/3一two-thirdsT7/9一seyet-ninths多12--ttve-twelfths23一twoandthree-fifths5一**30音thirtyandseven-eighths一些特殊的表达法&一a/onehalf4一a/0nequarter34一threequarters小数的读法7.8一sevenpointeight0.4一(zero)pointfour0.03一(zero)pointzerothree0.125一(zero)pointonetwofive14.397一fourteenpointthreenineseven5)百分数的读法27%%一twenty-sevenpercent45%一forty-fivepercent86%一eighty-siypercent。