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onetwothreefourfivesixseveneightninezero0123456789eleventwelvetenonetwothreefourfivesixseveneightnineteneleventwelveone一two二three三four四five五six六seven七eight八nine九ten十eleven十一twelve十二基数词（CardinalNumbers）基数词口诀很容易，1至12词各异,大家只能单独记thirteenfourteenfifteensixteenseventeeneighteennineteentwelve7+10=17fourteensixteenseventeennineteenfourteen+6+10=164+10=149+10=195+10=158+10=18fivesixseveneightnine+++++teenteenteenteenteenfiveteeneightteen3+10=13three+teenthreeteenFindtherules找规律thirfifeighthirteen十三fourteen十四fifteen十五sixteen十六seventeen十七eighteen十八nineteen十九留意13至19，后面都有-teen，thirteen，fifteen和eighteen，书写特别要注意twentythirtytwenty二十thirty三十forty四十fifty五十sixty六十seventy七十eighty八十ninety九十twenty二十thirty三十forty四十fifty五十sixty六十seventy七十eighty八十ninety九十20至90表整十，词尾-ty莫忘记twenty、thirty、forty、fifty、eighty很特殊，书写时请看仔细twenty-onetwenty-two整十加个位表“几十几”，中间的连字符别丢弃twenty-five二十五thirty-six三十六forty-seven四十七fifty-eight五十八sixty-nine六十九ninety-nine九十九总结规律（1）0到12形各异，一个一个单独记。（2）表示是“十几”，后面要加-teen。（13～19）thirteenfifteeneighteen形异需留意（3）表示是“几十”，后要加-ty。（20～90）twentythirtyfortyfiftyeighty特殊记（4）表示数字“几十几”，连字符号别忘记。forty-one41fifty-two52sixty-three63…整几十-个位数What’sthis?Congratulations1aListenandrepeat.10111213141516171819202122232425262728293031The2ndand4throwteneleventwelvethirteenfourteentwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-ninetwentytwenty-onetwenty-twotwenty-threetwenty-fourfifteensixteenseventeeneighteennineteenthirtythirty-oneWritethenumbersin1anexttothecorrectwords.Whichrowsofnumbersareinthewrongplaces?1bListenandcirclethenumbersyouhearin1a.1c10111213141516171819202122232425262728293031Listenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.1d√M:Oh,look!Ilikethatbluesweater.Howmuchisit?K:Fifteendollars.Oh,Ilikethesesocks.M:Oh,no.Idon’tlikered.K:DoyoulikethisT-shirt?M:Mmm,yes,Ido,butit’selevendollars.K:Oh.Howmuchisthegreensweater?M:It’stwentydollars.Butyouhaveagreensweater.K:Mmm.M:Oh,doyoulikethesetrousers?K:Oh,yes.Howmucharethey?M:Onlysixteendollars.K:Ok,I’lltakethem.1ePairworkHowmuchisthewhitebag?It’s17dollars.Askandanswerquestionsaboutthethingsinthepictureabove.