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Unit4WhenisEaster?PartALet’sspellOctober1stApril2ndJanuary4thDecember11thSeptember7thJune3rdsaythankyoumakeacardtellherastorywriteheralettersingtohercooknoodleshaveabirthdaypartyhaveabirthdaypartycooknoodlesMike'sbirthdaymother'sbirthdayMayDayfather'sbirthdayNewYear'sDaygrandma'sbirthdaygrandpa'sbirthdaythirdfirstfourthsecondfifthonetwothreefourfivesixthnintheighthseventhtenth数字序数词firstsecondthirdfourthfifth序数词缩写1st2nd3rd4th5th日期表达法在英文中，表示日期先写月份，再写日对应的序数词。如“10月1日”英文写作“October1st”，读作“Octoberthefirst”。注意日期前要用on做介词。试着把下列日期用英文表述出来：7月5日2月3日11月2日July5thFebruary3rdNovember2ndWhenis……?It’son……schooltripMarch2ndEasterpartyApril5thChinesetestJune3rdsingingcontestDecember1stsportsmeetNovember4thHeismyfriend.What’shelike?Heistallandthin.Heisthirteen.Howoldishe?Heisthirteen.Helikesthree.Helikesthree.Helikesmaths.读一读thinthreethirteenmaths上面的三个单词有什么相同点呢？它们都有thth在这些单词中读什么呢？th在这些单词中读想一想irthirteenteenmathsamthsthininrthreeeeththth摸摸你的喉咙，发th的时候。有没有震动？thirteenmathsthreethinthirdfifththicktoothbirthdaybirthdayIt’smybrother’sbirthday.Thisismybrother.Thatismyfather.Thisismymother.读一读thisthatmotherbrother上面的四个单词有什么相同点呢？它们都有thth在这些单词中读什么呢？th在这些单词中读想一想athattmotheromtherfatheratherithissfthththatmotherfatherthis摸摸你的喉咙，发th的时候。有没有震动？thesethoseclothestherethisfifththirdbrothermotherOh,Ifindmyhome!threefatherthatthesethirteenthinmouth2().AthatBthreeCthose3().AmouthBclothesCtooth1().AthirdBfifthCtheseCBB4().AmotherBfatherCmathsC•1．字母组合th在数词（包括基数词和序数词）中读清辅音/θ/。•例：three/θri:/，third/θә:d/，2.th在代词中读浊辅音/ð/•例：thisthose•3．在th后以字母-er结尾的单词中，th读浊辅音/ð/。例：father/‘fa:ðә/，whether/’weðә/24．以th结尾的单词，th读清辅音/θ/。•例：mouthtooththirteenthreethinmathsCanyousayotherwordswith“th”thirtythirdfourththirtiethThanksgivingthingthisthatmotherbrotherCanyousayotherwordswith“th”theirtheweatherfatherfeatherTonguetwist1.Threethinbrothersarebathinginthebathroom.2.Theirfatherandmotherthinkit’sgoodforthemtobrushtheirthickteethonThursday.3.Afterbathing,theywillwalkthroughapath.4.Look!Theweatherisratherfine.Thankgoodness!th:/θ/Thursdayfifththankmathsthirteenthirtythickth:/ð/themtheirthanweatherfathermotherbrotherthereCanyouread?•Beth,Beth.Gotothestudy.•Bethlikestolearnmaths.•Beth,Beth.Gotothebathroom.•Bethlikestotakeabath.•Beth,Beth.Gotothekitchen.•Bethlikestoeatacake.•Ah!abigmouth.Homework1.抄写单词；2.读一读。Thankyouforlistening!Bye!