新目標版英語七上《unit 8 when is your birthday》ppt課件（一）-全文預(yù)覽
【正文】 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nieenth 20th twentieth 21st twentyfirst 22nd twentysecond 23rd twentythird 24th twentyfourth 25th twentyfifth 26th twentysixth 27th twentyseventh 28th twentyeighth 29th twentyninth 30th thirtieth The ordinal numbers(序數(shù)詞 ) 找規(guī)律，巧記憶 one…………... first two…………... second three………… third four …………four th eight………….eighth nine…………..ninth twelve………..twel fth twenty…….....twen tieth twentyone….twenty first 基數(shù)詞 序數(shù)詞 基數(shù)詞變序數(shù)
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