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1、音标教学byMissQiu[u:]音标特征:后元音高音圆唇长元音发音要诀:双唇成圆形,双唇向前突出,牙床近于半合。舌尖不触下齿,发长音。注意长度,不要发的太短,口腔肌肉要始终保持紧张状态,自然而有力。发音组合:oooouu代表单词:foodfoolcoolpoolshoottombgroupbluecluerule[u]音标特征:后元音高音圆唇短元音发音要诀:双唇成圆形,稍向前突出,牙床近于半合。舌尖不触下齿,舌后部向软颚抬起,舌身后缩。舌尖离开下齿自然而不用力,发短促音。发音组合:oouou代表单词:footgoodcooktookpullfullshould音标对比:[u:][u]f
2、oodfootbootbookcoolcouldwhoknowsthetruth?Tomchooseapairofblueshoes.Thewolfislookingforitsfood.Iwillchooseblueshoestotaketoschooltouse.音标特征:后元音半低音圆唇长元音发音要诀:双唇向外突出成圆形,稍稍收圆,介于开闭,圆唇之间。舌后升起,舌尖不触下齿。注意:双唇收得要更圆更小,并用力向前突出。注意长度,不要发得太短。发音组合:aooawouoreauorar代表单词:talkballhallcalldoorfloorlawsawboughtfoughttho
3、ughtbeforeignorecaughtforcebornwarn[ɔ:]音标特征:后元音低音圆唇短元音发音要诀:口张大,舌身尽量降低并后缩。双唇稍稍收圆,不要突出。发音组合:o代表单词:oxonnothotlot[ɔ]音标对比:[ɔ:][ɔ]sortdogshortshop(1)Allofthechildreninthisclassroomwanttobealawyer.(2)Therearealotofhotdogsinthepaperbox.(3)Thebosstookoutfivedollarsfromhispocket.后元音小结:英语中一共由六个后元音,即:[a:][ʌ]
4、[u:][u][ɔ:][ɔ]发后元音时必须注意:1)舌尖不触下齿,舌身后缩,舌后部向软颚部分抬起。2)除了[a:],[ʌ],其余都是圆唇音。3)注意[a:],[u:],[ɔ:]三个音的长度,不要发的太短。双元音的一般特点是:1)由两个成分组成,发音时由一个元音向另一个元音滑动,发音过程口形有变化.2)前重后轻,第一个成分发音响亮清澈,第二个成分较轻弱模糊.3)前长后短,第一个成分发音较长,第二个成分发音较短.双元音[eɪ]发音要诀:舌尖抵住下齿,牙床半开半合。双唇扁平,口形由[e]向[i]滑动。[ei]发这个音的字母和字母组合eiaaiaya:cakemakenamegamesnakeg
5、atelazyai:raintrainwaitay:dayMayplaytadayway根据发音规则,圈出下列单词中发音不一样的单词。1.facewavesheeptail2.grapeplanenamecoat3.timetapetrainsnake4.rainsoapcaketrain音标对比:[æ][eɪ][e]ateightbedlablatepensandsamehenTheraininSpainstaysmainlyontheplain.[aɪ]发音要诀:将口张开略圆,舌后微升,舌尖向后收缩,由[a:]平稳过渡到[i]音。[ai]发这个音的字母和字母组合iyieuyi:kit
6、ebikenicetigerwriteknifey:bycryflymyskytrywhyie:tiepieuy:buy根据发音规则,找出每组中发[ai]的2个单词.1.ricegoodjamright2.shipmineice-creammouse3.cloudsittieeye4.writesmalltenniskite音标对比:[æ][aɪ]batbitebackbikelamplineThereispieinmyeye.WillIcry?WillIdie?ThoughIamshy.Iwillnotlie.Itmightcauseasty,butIdenythatIwilldieo
7、rcryfromthepieinmyeye.[ɔɪ]发音要诀:双唇外突成圆形,发[ɔ]音,逐渐过渡为双唇扁平分开,发[ɪ]短音。由圆唇变成扁唇。发音组合:oyoi代表单词:toyboynoisevoicepointcoinoilboil根据发音规则,找出每组中发[ɔi]的2个单词.1.soilhearsoycold2.rabbitbedboynoise3.walkvoiseboilword4.teaenjoytoymilk音标对比: