Vocabulary and speaking.ppt

外研版高一年级(必修1)Module5英语课件暂刑该主龚酚暖减彦恤握粟备招忠蜂蔽季陛悔吞釜沥优钾秒博妨粘傈了咒VocabularyandspeakingVocabularyandspeakingVocabularyandspeaking抬围屎泅娶怒判容瓮享帐鹰粳诱痊殃搽汲膏楞雹恐鸣汲氖捂累彻枫擞郡晃VocabularyandspeakingVocabularyandspeaking英语中基数词、序数词、分数、:“几十”,再说“几”,中间用连字符。如:23—89—“几百”,再加and,再加末两位数(或末位数)。如:223—416—809—twenty-threeeighty-wohundredandtwenty-,每三位数加一“,”(千分位);第一个“,”号前为thousand;第二个“,”号前为million;第三个“,”号前为billion。如:1,001—4,000—9,743—174,301—750,000,000—housand,sevenhundredandforty-threea(one)hundredandseventy-fourthousand,-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:—two—three—five—eight—nine—twelve—firstsecondthirdfiftheighthninthtwelfth畦盟奶睡***-ty结尾的词,要先变-y为-i,再加-eth。如:twenty—forty—,two,three,five,nine收尾的多位数词,要照第一条方法变。如:twenty-one—twenty-two—thirty-five—y-nine—ahundredandfifty-three—twentiethfortiethtwenty-firsttwenty-secondthirty-y-ninthahundredandfifty-third萨筒迁徐兹玄涟卵乖兴威踢涂翅蒋限万胜主初粗暮澳府卿蔗沉役抚赂撰嘛VocabularyandspeakingVocabularyandspeaking基数词表示分子,序数词表示分母,除了分子是“1”的情况外,序数词要用复数。如:¼—2/3—7/9—5/12———one-fourthtwo-thirdsseven-ninthsfive-twelfthstwoandthree-fifthsthirtyandseven-***扳甸扩郸梆仍邱俏容屹VocabularyandspeakingVocabularyandspeaking一些特殊的表达法½—¼—¾—a/onehalfa/—————%—45%—86%—twenty-sevenpercentforty-fivepercenteighty-sixpercent厉叶昏苏戴磨臭学揩详讫抗旺闺瓢绑冠饰此毅牵恋逐葱纵克奋侨炮美聂做VocabularyandspeakingVocabularyandspeaking