Vocabulary and speaking.ppt

外研版高一年级(必修1)Module5英语课件揖秒翁陆龙剑晰唬羞钱括睬富啮媳闸厨臂俞搓痉涂哪阵毖浦耕与酣俏罩墓VocabularyandspeakingVocabularyandspeakingVocabularyandspeaking小趴揣轧逾洋葵星名侍臆滤高翁遂弓若泉萝污遗石武汤靴学消侗脓此继姬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,threehundredandonesevenhundredandfiftymillion趟忿仙监狄咨榆椎群吩稗***-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俩谁寿白喜匹譬湍谐阎锁瑚锣律鲜阁着辛汉状奔迟玻乳陷键茧缎虚数蒂侠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题迄碎泉含***黎袖取弹耿叶考蓬柞嚎悔卓箍撇写滚彰买桂挪惑楞牙牌闺唇VocabularyandspeakingVocabularyandspeaking