Unit4WhenisEaster?ALet’slearnAskandanswerone------------Januarytwo------------Februarythree-----------Marchfour-------------Aprilfive--------------Maysix---------------Juneseven------------Julyeight---------Augustnine----------Septemberten-----------Octobereleven--------Novembertwelve--------DecemberIt’sonthefloor.基数词------序数词------缩写one--------first------1sttwo------second------2ndthree-------third------3rdfour-------fourth------4thfive--------fifth------5th序数词的缩写形式是基数词+序数词的最后两个字母。基变序,有规律,词尾加上-th。一二三,特殊记,词尾字母tdd。八去t九除e,ve要用f替,若是遇到整十数,y变ie加th。若是碰到几十几,十位基数个位序。TheMayDayisonMay1st.TheChristmasisonDecember25th.TheThanksgivingDayisinNovember.ThePlantingDayisonMarch12th.TheChildren’sDayisonJune1st.TheNewYear’sDayisonJanuary1st.TheEasterisinApril.TheNationalDayisonOctober1st.Whenis?It’son/in.Summary一、Newwords:firstsecondthirdfourthfifth二、sentences:Whenis-----?It’son-----.三、Newfestival:AprilFool’sDayBoardDesignLesson1•WhenisEaster?firstsecond•It’sonApril5th.thirdfourth•AprilFool’sDay.fifthHomework一、copyandrecitethenewwords.二、finishtheexercisesaboutLesson1inworkbook.