半元音-英语语音课件.ppt

1、Chapter Thirteen 第十三章第十三章 Semi-vowels半元音半元音:/w/j/Time:1 periodWarming-up exercises:A.Review the following sentences:Collect the papers,please.It was lost in the file.A little pill may well cure a great ill.He lost his life in the struggle for liberty.B.Review the following tongue twisters:a.Little L

2、ily and little Nelly are writing letters.Lets leave little Lily and little Nelly alone.b.Will you sit still,Bill?Ill sit as still as a hill.C.Review the following rhyme:WishEarly to bed,Early to riseMakes a man healthy,Wealthy and wise.Eat slowly and live a long life.Eat at pleasure,drink by measure

3、.Fear kills more than illness.Folly is an incurable disease.Review the following words：evade cover Eve evoke Steven victory veteran Vincent Definition Approximants occur when one articulator moves close to another,but not close enough to cause friction or to stop the airflow.Note that/w/and/j/are so

4、metimes referred to as semi-vowels.This is because they are made without a restriction to the airflow,unlike the other consonants.But they act in a consonant-like way;we say an apple,but we say a pear,a watermelon and a yam.All three approximants are important linking sounds in connected speech.Char

5、acteristics /w/A labio-velar semi-vowel.The tongue is in the position of a close back vowel(similar to/u/).The soft palate is raised.The sound glides quickly to the following vowel./w/is voiced./j/A palatal semi-vowel.The tongue is in the position of a close front vowel(similar to/i/).The soft palat

6、e is raised.The sound glides quickly to the following vowel./j/is voiced.舌位图/w/舌位图/j/Games and ActivitiesPractice1.Words in comparison./w/&/v/:wood/value;wet/vet;work/verb;wine/vain;walk/vogue;one/van;wheat/village;weaver/river /j/:yard/yawn/year/yearn/yellow /usual few/queue/educate/suit /:measure/

7、vision/pleasure/television leisure/seizure /i/:live/with/university/lady/very/silly minister/limit/district/rich2.Phrases /w/enjoy world-wide fame;wear away know the whereabouts;a weekly magazine wet behind the ears;share weal and woe welcome the visitors;wage freeze/j/at the back yard;your yesterda

8、y all these years;yeaning for fame stop yawning;green and yellow year in and year out;a yes-man 3.Sentences Thats a good wine.They became aware of it.Where theres a will,theres a way.No sweet without seat.What is worth doing at all is worth doing well.He works for the union.Lets try something new.It

9、 is her usual behavior.Yesterday I heard a beautiful tune.4.Tongue twisters A.How much wood would a woodchuck chuck if a woodchuck could chuck wood?B.Walter was wailing,worrying and watching the wet weather and the wet wind.C.Who that in youth no virtues uses,in age all honor him refuses.D.Unique Ne

10、w York.Unique New York.Unique New York.5.Rhymes A.The Hills Are Green The hills are green;The waters clear.The seed yellow,another reaps;The wealthy find,another keeps.B.Clouds White sheep,white sheep,On a blue hill,When the wind stops,You all stand still.You walk far away When the wind blows.White

11、sheep,white sheep,Where do you go?C.Spring If you see a robin,You will know that spring is near.If you see a nest,You will know that spring is here.D.The Sky So Blue Who made the sky so blue?Not I nor you.Only universe made the sky,Not you nor I.E.Star Light,Star Bright Star light,star bright First

12、star I see tonight I wish I may I wish I might Have the wish I wish tonight.After-class assignments:1.Review and remember the words,phrases,sentences,tongue twisters and the rhymes learned in class.2.Make sentences,dialogues and/or advertising slogans containing the semi-vowels.3.Learn to sing an English song:Yesterday Once More.4.朗读葆青编著 高等教育出版社出版 实用英语语音P99-p100 上的单词，短语及句子，p101上的单词。