第五课 英语合口双元音修改版

,英语双元音Diphthong,objects,1.Tolearntherightwaytopronuncethefiverisingdiphthongs2.TodistinguishthedifferencesinrisingdiphthongsbetweenAmEandBrEpronunciation3.Toknowtherelatedphoneticalknowledge4.Tohaveenoughexercisesonthefiverisingdiphthongsandgetevaluatedonthem,英语合口双元音,根据发音的特点，英语双元音可分为：合口双元音与集中双元音。,英语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，滑动过程中没有任何停顿。双元音发音饱满、圆润、悦耳动听。英语双元音由第一个音向第二个音滑动过程中，第一个音长而响亮，并自然而连贯地向第二个音滑动，第二个音短而含糊；一般来说，由第一个音向第二个音滑动时，不到第二个音的发音部位，发音即告完成。需要注意的是双元音是从一个音节向另一个音节滑动，要避免把双元音单音化。,英语合口双元音（1）,发双元音/e/时，口形由/向/滑动，下巴向上合拢，舌位随之抬高。注意双元音的发音特点是前重后轻、前长后短。,/e/,音素体验,容易出现的错误,1.不够长，读作短音。,2.不恰当地把/e/读成单元音,英音美音区别,音值一样，音标不同。,对话演练(Dialogues),A:HappybirthdaytoKate.,A:Whatabeautifulcake!,B:Yes,itsKatesbirthdaycake.,A:Howoldisshe?,B:Sheiseighteentoday.,B:Waitaminute,Jane.itstimetobakethebread.,2)A:Mrs.Tayorsagooddressmaker，isntshe?,B:Yes.Thenewdressshemadeisgreat.,A:MaybeIneedhertomakeoneforme.,脱口而出(SpeakOut),7)ThereisnowayIcangetoutofit.,Nopain,nogain.,2)Callaspadeaspade.,3)Apennysavedisapennygained.,4)Hastemakeswaste.,5)Ihatetotroublehim.,6)Shealwayscallsaspadeaspade.,吃得苦中苦，方为人上人。,实话实说。,一份耕耘，一份收获。,欲速则不达。,英语合口双元音（2）,发双元音/o/时，口形由中元音/向/滑动，双唇由扁平变为合圆形，到/的位置就停止发音。,/o/,音素体验,容易出现的错误,1.不够长，读作短音。,2.不恰当地把/o/读成单元音或者读成中文中的“欧”。,英音美音区别,教材不同，解释不同。1）这个音含有/和/u/两个成分。2）发音是由舌位比/稍高的圆唇后元音/o/向舌位更高一些的/滑动，结束时稍带/音，但主要是/o/音的延长。,对话演练(Dialogues),B:Inthatcase,wecouldjuststayathome.,2)A:Whatwillyoudotomorrow?,B:LetsgototheSummerPalacetorowaboat,shallwe?,A:Oh,Ivelistenedtotheradio.Thebroadcastsaystomorrowitwillrain.,A:Thetomatoes?Theyreinthebowlinthecupboard.,2)A:Joe,todayyoumakesupperforus,Ivegotalittleheadache.,B:OK,Rose.Whererethepotatoes,Icantfindthem.,A:Theyareinthebagunderthetable.,B:Oh,heretheyare.Butwherearethetomatoes,Rose?,B:Onekilo.Thanks.,3)A:Imgoingtothegrocerystore.Wouldyouliketogowithme?,B:Sorry.Ihavetowritealetter.,A:AnythingIcandoforyou?,B:Canyougetsometomatoesforme?,A:OK.Howmanydoyouwant?,脱口而出(SpeakOut),6)Iknowwhatyouknow.,Dontgohomealone,Joan.,2)Littlestrokesfellgreatoaks.,3)Asyousow,youshallmow.,4)Astrawwillshowwhichwaythewindblows.,5)Ihopenothingiswrong.,滴水穿石。,种瓜得瓜，种豆得豆。,英语合口双元音（3）,发双元音/a/时，由舌位低、口形大的前元音/a/向舌位高、口形小的/滑动。发音时舌尖要抵住下齿。,/a/,音素体验,容易出现的错误,1.不够长，读作短音。,2.不恰当地把/a/读成单元音/或者中文中的“爱”。,英音美音区别,教材不同，解释不同。1）发/a/时舌尖不抵下齿。2）发音时舌尖始终抵住下齿。,对话演练(Dialogues),B:Sure.Ivetriedit，,l)A:Youboughtanewmotorcycle，didntyou?,B:Yes.Howdoyoulikeit?,A:Itsreallystylish.Didyourideit?,B:Thatwouldbemypleasure.,2)A:Itsnoteasytomakeadinnerforsix,includingMike.,B:Dontworry.Icouldgiveyouahand.Mymeatpiesareterrific.,A:OK.Youcouldmakesixmeatpiesforusasthemaindish.,B:Well,Ipreferpineappleflavoricecreams.,3)A:TrytheFrenchfries.,B:Well,thesmellssonice.Mm,theyarefriedreallywell.,A:Letshaveicecreamsfordessert.,B:Howmanyicecreamsarethereinthefridge?,A:Letmesee.Nine.Threeofthemarepineappleflavor.,脱口而出(Speakout),1)Strikewhiletheironishot.,2)Timeandtidewaitfornoman.,3)Astitchintimesavesnine.,4)Greatmindsthinkalike.,英语合口双元音（4）,发双元音/a/时，由舌位低，口形大的/a/向舌位高、口形小的/滑动，结束时双唇收圆稍向前突。,/a/,音素体验,容易出现的错误,1.不够长，读作短音。,2.不恰当地把/a/读成中文中的“奥”。,3.当/a/后跟有/n/时容易读成/a:n/,如:down,town.,英音美音区别,教材不同，解释不同。1）发/a/时舌尖不抵下齿。2）发第一个音时舌尖要抵住下齿，发第二个音的时候舌尖后缩，不抵下齿。,对话演练(Dialogues),B:Thatsmysonsinging.Buthesoundslikehesshouting.,1)A:Nicetomeetyou,Mrs.Brown.,B:Nicetomeetyou,too.Mr.Howard.,A:Listen!Whosshouting?,A:ThatswhatIamworriedabout.,2)A:Ineedsomeonetohelpmewiththehousework.,B:Whatdoyouwanthimtodo?,A:Well,milkthecow,killthemouse,washthetowel,andcleanthehouse.,B:Howcouldyoufindtheonethatcoulddothesethingswell?,脱口而出(SpeakOut),6)Howaboutgoingdowntown,now?,l)Roundandroundhedancedinfrontofthecrowd.,2)Brownspendshourafterhouramonghisflowers.,3)MarchwindandAprilshowersbringMayflowers,4)Getoutofmyhousenow.,5)Iveheardsomuchaboutyou.,“Averygoodsupper,”sayshe.,7)Theowllookeddownwithhisgreatroundeyes.,Atthelowcloudsandthedarkskies，,“Agoodnightforscouting,”sayshe.,WithneverasoundIllgoprowlingaround,Amouseortwomaybefoundontheground.,Orafatlittlebirdinatree.,SodownheflewfromtheoldchurchTower.,Themouseandthebirdiecrouchandcower,Backhefliesinhalfanhour，,英语合口双元音（5）,发音要点:发双元音/时，由后、低元音/向前、高元音/滑动，口形由开、圆逐渐变为合、扁，尾音短促。,/,音素体验,容易出现的错误,容易把双元音/的第二个音/读成/i/，把toy读成/ti/，oil读成/il/，要注意防止。,英音美音区别,美语双元音/和英语双元音/i/的发音基本相同，即由后、低元音/向前、高元音/滑动，口型由开圆逐渐变为合扁。,对话演练(Diologues),B:Andsomecorn,thatsall.,1)A:CanIhelpyou?,B:Iwantsomeoil,someoysters,andsomeboiledeggs.,A:Anythingelse?,A:No,Iwont.,2)A:IwanttobuyatoyforRoy.,B:ForRoy?Youwanttobuyhimanothertoy?,A:Whynot?Heenjoysplayingwithtoys.,B:Heenjoysdestroyingtoys.Youdbetternottospoiltheboy.,脱口而出(SpeakOut),6)Itsajoytowatchtheboyplayingwithhistoy.,1)Comeandenjoytheoyster.,2)DontspoilRoybygivinghimtoomanytoys.,3)Thesmellofoilismostannoying.,4)Letusjoinhandsinfriendship.,5)Iminahurry,sogettothepoint.,音素对比,英语双元音小结(合口双元音),英语里共有八个双元音，根据发音的特点可分为两大类:合口双元音/e/o/a/a/与集中双元音/。,英语双元音的发音特点:,1.双元音是有两个不同的元音组成的，口形舌位有变化(发单元音是口形舌位保持不变)。,2.双元音中两个元音的音长也不相等，前长后短，第一个元音的音长比第二个长一些。,3.前重后轻，发音时第一个元音重些，第二个轻些，由强渐弱。,5.前面的音较为清晰，后面的音较为模糊，双元音中的第一个元音发音清楚响亮，向第二个元音滑动，在到达第二个元音的发音位置时即可停止，不必把第二个音发得那么清楚。,4.两音密合，一气呵成，由第一个元音向第二个元音滑动，中间不要停顿，切忌把两个音分开来念。,英语合口双元音发音示意图:,合口双元音/e/o/a/a/，发音时舌位都是从第一个音节分别滑向第二个合口元音/。合口双元音按照滑动方向可分为两类:向/滑动的有/e/a/;向/滑动的有/a/(如上图中箭头所示),Dontspringontheinner-springthisspringortherewillbeanoffspringnextspring.,TongueTwisters,Diligencedismissesdespondency.,Doublebubblegumbubblesdouble.,Dontpamperdampscamptrampsthatcampunderramplamps.,DidDougdigDicksgardenordidDickdigDougsgarden?,英语中的四大音节,1.开音节,开音节是以发音的元音字母结尾，或以辅音字母(r除外)加上不发音的字母e结尾的重读音节，称为开音节。开音节又可以分为绝对开音节和相对开音节。,以发音的元音字母结尾的重读音节，其结构为“辅音字母+元音字母”。在这类结构中元音字母读字母表音，即a/e/;e/i/;i(y)/a/;o/o/;u/ju:/或者/u:/。,1)绝对开音节:,me,I,my,go,例词:,/mi/,/a/,/ma/,/go/,以辅音字母(r除外)加上不发音的字母e结尾的重读音节，其结构为“元音字母+辅音字母+e”。在此类结构中元音字母的读音与绝对开音节的读音相同，即字母表音。,2)相对开音节:,例词:,a,name,time,or,use,I(y),o,home,u,make,type,nose,huge,rule,/