双元音课件.ppt
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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/u/ai/au/i/,/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;,Dialogues,1)A:
Whatabeautifulcake!
B:
Yes,itsKatesbirthdaycake.A:
Howoldisshe?
B:
Sheiseighteentoday.A:
HappybirthdaytoKate.,/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;anicecream,Tonguetwister,Noneedtolightanightlightonalightnightliketonight.,/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;,A:
Ineedsomeonetohelpmewiththehousework.B:
Whatdoyouwantmetodo?
A:
Well,milkthecow,killthemouse,washthetowel,andcleanthehouse.B:
Howcouldyoufindsomeonelikethat?
A:
ThatswhatIamworriedabout.,Getoutofmyhousenow.Iveheardsomuchaboutyou.Howaboutgoingdowntownnow?
/i/,发音要点:
由后,低元音/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;oil,boil,A:
IwanttobuyatoyforRoy.B:
ForRoy?
Youwanttobuyhimanothertoy?
A:
Whynot?
Heenjoysplayingwithtoys.B:
Heenjoysdestroyingtoys.Youdbetternottospoiltheboy.,u,发音组合:
oowoa代表单词:
hostnosetoneholenotecokecopebowlknowlowownboatcoat,集中双元音,/i/e/-/u/,/i/,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:
deer,beer,ear,tear,Speakout,1)NewYearsDayisnear.2)Wereneartheendoftheyear.,/e/-/,口形由半开变为扁平。
音素体验:
pear;bear;chair;aairport;,A:
Letsgothere,Cary.B:
No,Idontwanttogothere.A:
Whynot,Cary?
B:
Imafraidofthebearsonthestairs.A:
Well.Theyreallplasticbearsfullofair.,/u/,舌后部抬高,口收圆,稍向前突,快速滑动音素体验:
atourist,poor,sure,Europe,Speakout,1)Hesfromaverypoorfamily.2)Wewereunsureaboutwhowastoblame.3)Imsurethatspuregold.,元音(20个)长元音/:
/:
/:
/i:
/U:
/短元音/e/双元音/e/a/e/a/,练一练,找出红色字母和所给音标读音相同的选项。
()1./i:
/AeatBear()2./i/AbikeBfish()3./e/AbedBeraser()4./AfaceBcat()5./u/AfootBroom()6./u:
/AgoodBruler()7./a:
/AarmBbus()8./AduckBbat,Goodbye!
Goodbye!