双元音课件

双元音合口双元音与集中双元音双元音是由两个音合二为一，发音时由第一个音向第二个音滑动过程中没有任何停顿。双元音发音饱满、圆润。第一个音长而响亮，第二个音短而模糊.前重后轻，前长后短避免把双元音单音化合口双元音/ei//əu//ai//au//ɔi//ei/发音要点：口形由/e/向/i/滑动，下巴向上合拢，舌位随之抬高。atable;aplate;acake;aradio;anashtray;abeefsteakDialogues1)A:Whatabeautifulcake!B:Yes,it’sKate’sbirthdaycake.A:Howoldisshe?B:Sheiseighteentoday.A:HappybirthdaytoKate.2)A:Mrs.Taylor’sagooddressmaker,isn’tshe?B:Yes.Thenewdressshemadeisgreat.A:MaybeIneedhertomakeoneforme.A:Waitasec,Jane.It’stimetobakethebread.A:Hey,Rachel.Didyoutakethetest？B:No,Icouldn’tmakeit.A:Howcomeyoucouldn’tmakeit?IwenttoseeaBroadwayPlay.Whatashame!Whenwillyoutakethemakeuptest?MaybeinAprilorMay?Speakout1)Nopain,nogain.不吃苦中苦，没有甜上甜2)Callaspadeaspade.实话实说3)Apennysavedisapennygained.省下的既是赚的4)Hastemakeswaste.欲速则不达5)Ihatetotroubleyou,but…我不想麻烦你，但是…6)There’snowayIcangetoutofit.我无能为力/əu/发音要点：口型由中元音/ə/向后元音/u/滑动，双唇由扁平变成合圆形，到/u/的位置就停止发音音素体验：apotato;atomato;anose;ahome;aboat;agoatDialogueA:Whatwillyoudotomorrow？B:let’sgototheSummerPalacetorowaboat,shallwe?A:Oh,I’velistenedtotheradio.Thebroadcastsaystomorrowitwillrain.A:Inthatcase,wecouldjuststayathome.A:I’mgoingtothegrocerystore.Wouldyouliketogowithme?B:Sorry.Ihavetowritealetter.A:AnythingIcandoforyou?B:Canyougetsometomatoesforme?A:Ok.Howmanydoyouwant?B:Onekilo.Thanks.Speakout1)Don’tgohomealone,Joan.2)Littlestrokefellgreatoaks.水滴石穿3)Asyousow,youshallmow.种瓜得瓜，种豆得豆，4)Astrawwillshowwhichwaythewindblows.草动知风向。5)I’dliketoproposeatoast.我提议干杯6)Iknowwhatyouknow.我知道你知道什么/ai/发音要点：由舌位低、口型大的前元音//向舌位高、口形小的//滑动。发音时舌尖要抵住下齿。音素体验：akite;aknife;apie;alighter;anicecreamDialoguesA:Youboughtanewmotorcycle,didn’tyou?B:Yes.Howdoyoulikeit?A:It’sreallystylish.Didyourideit?B:Sure.I’vetriedit.A:TrytheFrenchfries.B:Well,thesmellissonice.Mm,theyarefriedreallywell.A:Let’shaveicecreamsfordessert.B:Howmanyicecreamsarethereinthefridge?A:Letmesee.Nice.Threeofthemarepineappleflavor.B:Well,Ipreferpineappleflavoricecreams.Speakout1)Strikewhiletheironishot.趁热打铁2)Timeandtidewaitfornoman.岁月不待人。3)Astitchintimesavesnine.及时处理，事半功倍。4)Greatmindsthinkalike.英雄所见略同5)Alldaylongthesunshinesbright,Themoonandthestarscomeoutatnight.Fromtwilighttimetheylinetheskies,Andwatchtheworldwithquiteeyes.TonguetwisterNoneedtolightanightlightonalightnightliketonight.Tentinytigerstiedtentinytiesontheirtinytails.AtidytigertiedatietightertotidyhertinytailRipewhitewheat（麦子）reapersreap（收割）ripewhitewheatright.YouknowNewYork,youneednewYork.Youknowyouneedunique（独特的）newYorkAwriternamedWrightwasinstructing（指导）hislittlesonhowtowriteWrightright.Hesaid:“ItisnotrighttowriteWrightas‘rite’－trytowriteWrightaright（正确地）!GreatGreek（希腊）grapegrowersgrowgreatGreekgrapes,buttheGreeksdonoteatthegrapesthegreatGreekgrapegrowersgrow.Ifyounoticethisnotice,youwillnoticethatthisnoticeisnotworthnoticing/au/发音要点：由舌位低，口形大的/a/向舌位高，口形小的后元音/u/滑动，结束时双唇收圆稍向前突。音素体验：acow;amouse;ahouse;atowel;anaccountant;Dialogues1)A:Nicetomeetyou,Mrs.Brown.B:Nicetomeetyou,too.Mr.Howard.A:Listen.Who’sshouting?B:That’smysonsinging.Buthesoundslikehe’sshouting.A:Ineedsomeonetohelpmewiththehousework.B:Whatdoyouwantmetodo?A:Well,milkthecow,killthemouse,washthetowel,andcleanthehouse.B:Howcouldyoufindsomeonelikethat?A:That’swhatIamworriedabout.Speakout1)Roundandroundhedancedinfrontofthecrowd.2)Brownspendshourafterhouramonghisflowers.3)MarchwindandAprilshowersbringMayflowers.4)Getoutofmyhousenow.5)I’veheardsomuchaboutyou.6)Howaboutgoingdowntownnow？7)Theowl(猫头鹰)lookeddownwithhisgreatroundeyes.Atthelowcloudsandthedarkskies“Agoodnightforscouting（觅食）,”sayshe.WithneverasoundI’llprowling（搜寻）around.Amouseortwomaybefoundontheground.Orafatlittlebirdinatree./ɔi/发音要点：由后，低元音/ɔ/向前，高元音/i/滑动，口形由开，圆逐渐变为合，扁，尾音短促音素体验：aboy;atoy;acoin;anoise;oil,boilDialogues1)A:CanIhelpyou?B:Iwantsomeoil,someoysters,andsomeboiledeggs.A:Anythingelse?B:Andsomecorn,that’sall2)A:IwanttobuyatoyforRoy.B:ForRoy?Youwanttobuyhimanothertoy?A:Whynot?Heenjoysplayingwithtoys.B:Heenjoysdestroyingtoys.You’dbetternottospoiltheboy.Speakout1)Comeandenjoytheoysters2)Thesmellofoilismostannoying.3)Letusjoinhandsinfriendship.4)I’minahurry,sogettothepoint.5)It’sajoytowatchtheboyplayingwithhistoy.TongueTwister1.Anoisynoiseannoysanoyster.2.Anoiseannoysanoyster,butanoisynoiseannoysanoystermore!3.Howmuchoilboilcanagumboilboilifagumboilcanboiloil?集中双元音/iə//eə//uə//iə/发音要点：从口形较扁，舌位较高的前元音向较低的中元音滑动。舌身向后缩，口腔呈自然张开状音素体验：adeer,acupofbeer,anear,adropoftear,atheater2)A:wheredoyouprefer,thetheaterorthemuseum?B:Iprefertogotothemuseum.A:Great.Iknowthere’sawonderfulbarnearthemuseum.A:Well,Let’sgotothemuseumfirst,thendrinkaglassofbeer.3)A:Hello,mydear,canyouhearme?B:Ido,butnotclearly.A:BringbacksomebeerandatoydeerforJill.B:Ok,somepearsandaTeddybear.A:Oh,dearme.Speakout1)NewYear’sDayisnear.2)We’reneartheendoftheyear.3)Theycheeredtheherowhenheappeared.4)She’ssincere,seriousandabitmysterious.5)Isthereapostofficenearhere?6)Iwanttobequiteclearonthisproblem.7)Thingsareclearandyoudon’thavetofear.Dialogues1)A:What’sup?She