第二单元-英语后元音课件

英语后元音英语后元音有五个，/a:/,/ɔ:/,/ɔ/,/u:/,/u/。其中长元音就有三个，/a:/的口形最大，舌位最低；/u:/的口形最小，舌位最高；/ɔ:/的口形不大不小，舌位不高不低。短元音有两个/ɔ/和/u/

，/u/的口形比/u:/稍大些，舌位比/u:/稍高些；/ɔ/的舌位比/ɔ:/低些，口形比/ɔ:/大些。

/u:/,/u/,/ɔ:/,/ɔ/这四个后元音都是圆唇音，发这四个元音时舌后部的高度变化依次为：高-半高-半低-低；口形的变化依次为：合-半合-半开-开。/a:/是个非圆唇后元音，发音时不用圆唇，但口要张大，它的舌位最低。发长元音时要有长度，长音短音不分的话会影响音质。英语后元音英语后元音有五个，/a:/,/ɔ:/,/ɔ/1

英语后元音（1）发音要点：发长元音/a:/时，口一定要张大，舌身低平，舌后发音，发音时要中气十足，圆润饱满。音素体验：abananaacar;astar;apart;aclass;abasket;/a:/英语后元音（1）发音要点：发长元音/a:/时，口一定要张大2对话演练(Dialogue)1)A:Canyoupassthemathsexam?B:It’stoohard.He’sadogafterall.B:No.Youknowmathsistoohard.2)A:Canyouhelpmewithmyart?B:OK.I’mnotbadatart,Ithink.3)A:Thedogisalwaysbarking.Askittostop.对话演练(Dialogue)1)A:Canyoupa3朗读下列语句，注意发好长元音/a:/。6)It’sveryhardtostartthecar.脱口而出(SpeakOut)1)Alargepartoftheparkwasdamagedinthefire.2)Markgothismasterdegreeofartslastyear.3)Helaughsbestwholaughslast.4)Iloveyouwithallmyheart.5)Ifyouareready,youmaystartyourwork.朗读下列语句，注意发好长元音/a:/。6)It’sver4英语后元音(2)发音要点：发短元音/ɔ/时，口要张大，舌身平放，双唇稍稍收圆，发音短促。awatch音素体验：adog;afox;afrog;ashop;/ɔ//ɔ:/英语后元音(2)发音要点：发短元音/ɔ/时，口要张大，舌身5发长元音/ɔ:/时，舌根部隆起，双唇收圆略向前突，声带滑动。发音要点：音素体验：alawyeraball;atalk;ahorse;adoor;发长元音/ɔ:/时，舌根部隆起，双唇收圆略向前突，声带滑动。6对话演练(Dialogues)1)A:Whatareyoulookingfor?

B:Mywallet.IthinkIhavelostit.A:Anythingimportantinit?B:Yes.Almostfourhundreddollarsandmydrivinglicense.对话演练(Dialogues)1)A:Whatare72)A:Iboughtadog,Paul.B:Whatsortofdog,then?A:Oh,justanordinarydog.B:What’sitcalled?A:Err…it’scalled…Paul.2)A:Iboughtadog,Paul.B:8脱口而出(SpeakOut)朗读下列语句，注意发好长元音/ɔ:/和短元音/ɔ/。7.WheredoyouthinkIoughttogo?1.Wehavealotofthingstotalkabout.2.Ihaveneverhadtheopportunitytomeether.

3.We’llnotstopuntilwereachourgoal.

4.Thedoctor’sdaughterknockedatthelockeddoor.5.It’sallyourfault.

6.Whatareyoutalkingabout?脱口而出(SpeakOut)朗读下列语句，注意发好长元音/9英语后元音(3)发长元音/u:/时，舌后部隆起，双唇收圆收小并向前突出，口腔肌肉保持紧张，发长音。发音要点：音素体验：agroupamoon;aschool;aroom;ashoe;aruler;/u://u/英语后元音(3)发长元音/u:/时，舌后部隆起，双唇收圆收10发短元音/u/时，舌位比/u:/稍低，口形比/u:/稍大些，口腔肌肉放松，发音短促。发音要点：音素体验：putabook;acook;awoman;sugar;push;发短元音/u/时，舌位比/u:/稍低，口形比/u:/稍大些，11oo的发短音/u/的情况：见到老D老K就发短。cook说明：boyhood,good,stood,wood,book,look,food除外oo的发短音/u/的情况：见到老D老K就发短。cook说明12对话演练(Dialogues)A:Somanyarticlestochoose!B:Yes.Butit’shardtochoose.A:Well,thisoneisgood.B:Mm,Ithinkthatoneisgood,too.对话演练(Dialogues)A:Somanyarti132)A:It’srudetoentersomeone’sroomwithoutpermission.

B:Yes,butit’salsorudetoknocktooloudly.

3)A:DoyouknowaboutLuke?B:Iknowheisacookwhocooksgoodfood.A:That’strue.Let’stasteLuke’sfoodsomeday.B:OK.That’swhatIwanttodo.

2)A:It’srudetoentersomeo14脱口而出(SpeakOut)朗读下列语句，注意发好长元音/u:/和短元音/u/。1.Lookatwhatyou’vedone.

2.CouldIaskforyouradvice?

3.Letmehavealookatthebook.

4.Don’tpushandpull,it’smadeofthewool.5.Thecookforgettoputsugarinthepudding.6.IwouldifIcould.7.I’mnotinthemood.脱口而出(SpeakOut)朗读下列语句，注意发好长元音/158.AtnoonItookabook.Andsatbythepoolinthewood.Andputmyfootinthepool.Oh,howcool!8.AtnoonItookabook.And165.Bill’sbigbrotherisbuildingabeautifulbuildingbetweentwobigbrickblocks.绕口令TongueTwisters1.Bettybeatabitofbuttertomakeabetterbatter.2.Bobboughtabigbagofbunstobaitthebears’babies.3.Brightblowsthebroomonthebrook’sbarebrownbanks.4.BettyandBobbroughtbackblueballonsfromthebigbazaar.5.Bill’sbigbrotherisbuild17英语后元音英语后元音有五个，/a:/,/ɔ:/,/ɔ/,/u:/,/u/。其中长元音就有三个，/a:/的口形最大，舌位最低；/u:/的口形最小，舌位最高；/ɔ:/的口形不大不小，舌位不高不低。短元音有两个/ɔ/和/u/

，/u/的口形比/u:/稍大些，舌位比/u:/稍高些；/ɔ/的舌位比/ɔ:/低些，口形比/ɔ:/大些。

/u:/,/u/,/ɔ:/,/ɔ/这四个后元音都是圆唇音，发这四个元音时舌后部的高度变化依次为：高-半高-半低-低；口形的变化依次为：合-半合-半开-开。/a:/是个非圆唇后元音，发音时不用圆唇，但口要张大，它的舌位最低。发长元音时要有长度，长音短音不分的话会影响音质。英语后元音英语后元音有五个，/a:/,/ɔ:/,/ɔ/18

英语后元音（1）发音要点：发长元音/a:/时，口一定要张大，舌身低平，舌后发音，发音时要中气十足，圆润饱满。音素体验：abananaacar;astar;apart;aclass;abasket;/a:/英语后元音（1）发音要点：发长元音/a:/时，口一定要张大19对话演练(Dialogue)1)A:Canyoupassthemathsexam?B:It’stoohard.He’sadogafterall.B:No.Youknowmathsistoohard.2)A:Canyouhelpmewithmyart?B:OK.I’mnotbadatart,Ithink.3)A:Thedogisalwaysbarking.Askittostop.对话演练(Dialogue)1)A:Canyoupa20朗读下列语句，注意发好长元音/a:/。6)It’sveryhardtostartthecar.脱口而出(SpeakOut)1)Alargepartoftheparkwasdamagedinthefire.2)Markgothismasterdegreeofartslastyear.3)Helaughsbestwholaughslast.4)Iloveyouwithallmyheart.5)Ifyouareready,youmaystartyourwork.朗读下列语句，注意发好长元音/a:/。6)It’sver21英语后元音(2)发音要点：发短元音/ɔ/时，口要张大，舌身平放，双唇稍稍收圆，发音短促。awatch音素体验：adog;afox;afrog;ashop;/ɔ//ɔ:/英语后元音(2)发音要点：发短元音/ɔ/时，口要张大，舌身22发长元音/ɔ:/时，舌根部隆起，双唇收圆略向前突，声带滑动。发音要点：音素体验：alawyeraball;atalk;ahorse;adoor;发长元音/ɔ:/时，舌根部隆起，双唇收圆略向前突，声带滑动。23对话演练(Dialogues)1)A:Whatareyoulookingfor?

B:Mywallet.IthinkIhavelostit.A:Anythingimportantinit?B:Yes.Almostfourhundreddollarsandmydrivinglicense.对话演练(Dialogues)1)A:Whatare242)A:Iboughtadog,Paul.B:Whatsortofdog,then?A:Oh,justanordinarydog.B:What’sitcalled?A:Err…it’scalled…Paul.2)A:Iboughtadog,Paul.B:25脱口而出(SpeakOut)朗读下列语句，注意发好长元音/ɔ:/和短元音/ɔ/。7.WheredoyouthinkIoughttogo?1.Wehavealotofthingstotalkabout.2.Ihaveneverhadtheopportunitytomeether.

3.We’llnotstopuntilwereachourgoal.

4.Thedoctor’sdaughterknockedatthelockeddoor.5.It’sallyourfault.

6.Whatareyoutalkingabout?脱口而出(SpeakOut)朗读下列语句，注意发好长元音/26英语后元音(3)发长元音/u:/时，舌后部隆起，双唇收圆收小并向前突出，口腔肌肉保持紧张，发长音。发音要点：音素体验：agroupamoon;aschool;aroom;ashoe;aruler;/u://u/英语后元音(3)发长元音/u:/时，舌后部隆起，双唇收圆收27发短元音/u/时，舌位比/u:/稍低，口形比/u:/稍大些，口腔肌肉放松，发音短促。发音要点：音素体验：putabook;acook;awoman;sugar;push;发短元音/u/时，舌位比/u:/稍低，口形比/u:/稍大些，28oo的发短音/u/的情况：见到老D老K就发短。cook说明：boyhood,good,stood,wood,book,look,food除外oo的发短音/u/的情况：见到老D老K就发短。cook说明29对话演练(Dialogues)A:Somanyarticlestochoose!B:Yes.Butit’shardtochoose.A:Well,thisoneisgood.B:Mm,Ithinkthatoneisgood,too.对话演练(Dialogues)A:Somanyarti302)A:It’srudetoentersomeone’sroomwithoutpermission.

B:Yes,butit’salsorudetoknocktooloudly.

3)A:DoyouknowaboutLuke?B:Iknowheisacookwhocooksgoodfood.A:That’strue.Let’stasteLuke’sfoodsomeday.B:OK.That’swhatIwanttodo.

2)A:It’srudetoentersomeo31脱口而出(SpeakOut)朗读下列语句，注意发好长元音/u:/和短元音/u/。1.