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长元音1./i:/长元音，嘴角向两边张开，口形扁平，舌尖抵下齿，舌前部抬高，流出微笑表情，与E发音相同。eg:see,sleep,eat2./e/短元音，张口程度比/i/音大，上下齿之间可容纳一个食指尖，舌尖抵下齿，舌前部稍抬起。eg:egg，get,head,bread3./ɑ:/长元音，口腔打开，嘴张大，舌身放平，舌尖离下齿，下巴放低，轻松发音。eg:arm,aunt,garden4./ɜ:/长元音，嘴形扁平，上下齿微微张开，舌身放平，舌中部稍抬起。eg:term,learn,survey5./ɔ:/长元音，双唇收得比/ɔ/更小更圆，并向前突出，舌尖离下齿，舌后部抬得比/ɔ/略高eg：talk,short,four,autumn,law6./u:/长元音，双唇比/u/收得更小更圆，微微外凸，舌头尽量后缩。eg:blue，room,group,do,whoExercise1:找出红色字母发音不同的单词1、A.dadB.mapC.nameD.cat2、A.meetB.teacherC.breakfastD.please3、A.doB.fromC.lotD.box4、A.butB.fatherC.loveD.some5、A.roomB.bookC.goodD.look从A、B、C、D中找出划线部分与开头单词发音相同的一项()1、familyA.ideaB.theseC.swimD.jeep（）2、halfA.busB.marketC.studentD.put（）3、becauseA.photoB.clockC.twoD.water（）4、readyA.manyB.catC.gameD.what（）5、groupA.excuseB.sisterC.fruitD.cousinCBDACExercise2Homework1.Copythe6longvowles.2.Reviewandreadthesephoneticsymbolscarefullyoverandoveragain.