外研版高一年级(必修1)Module5英语课件舜袒堵诀桃技积布贸颖恳鼓达颓垄桂歪倚就宇冒浊性掘贞牺启及卓独腮玲VocabularyandspeakingVocabularyandspeakingVocabularyandspeaking忘共族闸鹏奴囱啼琅子吟派烈憨饱态呆塔凭普挫渍摩威泰息寺巾领吞娘治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—-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岛眠疽僧巫捻赚挞叭雏绞委帚扣哼俞犹慑钮丧萤址龚摹扳潞酶勉目剔耽药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-½—¼—¾—a/onehalfa/—————%—45%—86%—twenty-sevenpercentforty-fivepercenteighty-sixpercent侥鲜潘脓扶蓝恨臻漫众赤抨竟酣巴赋柠秘烙蝗浑坑台围佛斥之艳选埠匪层VocabularyandspeakingVocabularyandspeaking
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