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Unit4WhenisEaster?BLet’slearn1stonetwothreefourfivefirstsecondthirdfourthfifth2nd3rd4th5th12345BirthdayWhenisyourbirthday?It’sonAugust21st.Whenisgrandpa’sbirthday?It’sonOctober12th.Whenisgrandma’sbirthday?It’sonApril20th.WhenisDad’sbirthday?It’sonNovember30th.WhenisMum’sbirthday?It’sonFebruary23rd.twelfthtwentiethtwenty-thirdthirtiethtwenty-firsttwenty-twotwenty-second•基变序，有规律：一般都是在基数词的末尾加上th发音|θ|特殊情况：全变123，8减t，9减e，f变ve，y改i再加e，末尾th莫忘记。若是遇到几十几，只变个位就可以。基数词：1，2，3……序数词：第一，第二，第三……twentytwentieth20ththirtythirtieth30th全变123一般是在基数词的末尾加thf变ve八减t，九减ey改i再加e基数词序数词序数词缩写onefirst1sttwosecond2ndthreethird3rdfourfourth4thsevenseventh7thfivefifth5thtwelvetwelfth12theighteighth8thnineninth9th末尾th莫忘记What’smissingtwelfthtwenty-first22nd30ththirtieth12th20thtwenty-third21stOctober24thSept.21stJuly12thJune23rdLookandwriteWhenisyourbirthday?Mybirthdayison….一、写出下列单词的完全形式(1)12th(2)20th(3)30th(4)21st(5)23rd(1)twelfth(2)twentieth(3)thirtieth(4)twenty-first(5)twenty-third1.is,when,birthday,your,brother’s(?)2.uncle’s,my,in,is,July,birthday(.)3.is,December12th,on,birthday,ZhangPeng’s(.)Whenisyourbrother’sbirthday?Myuncle’sbirthdayisinJuly.ZhangPeng’sbirthdayisonDecember12th.二、Putthewordinrightorder.(连词成句)Homework1.抄写42页Let’slearn的单词五遍.2.预习41页Let’stalk.Howmanyballscanyousee?