英语语音鼻音舌边音省公共课一等奖全国赛课获奖课件.pptx

/第1页Nasals,Approximants&Lateral(s)Like the stops,the nasals are all made by closing the vocal tract at some point in the mouth.Unlike the stops or any other sounds in the language,there is an opening into the nasal cavity in the pronunciation so that the sound can be resonated through the nose.The nasal consonants are/m/,/n/,and/./w/,/r/,and/j/are called approximants because it is an articulation in which the articulators approach each other but do not get sufficiently close to each other to produce a complete consonant such as a stop,nasal or fricative./l/is called a lateral because during its pronunciation,the passage of air through the mouth does not go in the usual way along the centre of the tongue.第2页UNIT9/汉英对比：汉英对比：/浊浊辅音辅音.发音时,双唇闭拢,气流从鼻腔泻出,声带振动./发音近似于汉语“母”,但区分之处于于发/m/时要双唇紧闭,声带振动./浊辅音.发音时,舌尖贴上齿龈,形成妨碍,气流从鼻腔泻出,声带振动./n/发音靠近于汉语“恩”,但不一样之处于于发/时，嘴唇微开,舌尖贴紧上齿龈./浊辅音.舌后部抬起紧贴软腭,形成妨碍,同时软腭下垂,堵住口腔通道,气流从鼻腔泻出,声带振动./发音近似于汉语“嗯”,但不一样之处于于：发/时口腔开得更大,声带振动./第3页/&/第4页/单词发音练习 moon home medicine mountain第5页/短 语 man-made come tomorrowmake a mistake middle name第6页/句 子 A:Mum has come back home.B:Marvellous.A:Mum says well go and see a movie tonight.B：Yes,we certainly will.第7页Allophonic variations of/m/Syllabic:somethingLengthened,when an arresting/m/is followed by a releasing/m/:some moreThe labiodnetal nasal,when followed by/f/:comfort第8页/单词发音练习 neck tin night noise第9页/短 语 neat brandy telephone numbera negative answer harden the neck第10页/句 子 A:What a nice postcard of the Grand Canyon!B:They are wonderful A:Who sent it to you?B：A friend of mine.第11页Allophonic variations of/n/Dentalized before a labiodental/f/or/v/:inviteVelarized before/k/or/:thinkSyllabic:buttonLengthening,when/n/arrests and releases adjoining syllables:ten names第12页/单词发音练习 ink ring sing monkey第13页/短 语 ring-a-ding strong stringrising diphthong playing ping-pong第14页/句 子 A:Do you like drinking tea?B:Yes,I do.A:We are advised to drink more tea than coffee.B：Tea is good for health.第15页Allophonic variations of/The alveolar n,when followed by an alveolar:taking tenSyllabic:lock and key第16页Exercises 1.Practise the phoneme/m/in man,first normally,then with exaggeration,then normally.Listen and repeat./,/,/2.Some students leave out the phoneme/m/when they occur finally.Listen and repeat each word pair.tie time tea team see seem cry crime say same blue bloom第17页Exercises 3.Listen and underline the word that you hear in each sentence.(1)The(rye/rhyme)was very good.(2)Ill give him his(due/doom).(3)We all like that(dough/dome).(4)Didnt you see the(dye/dime)?(5)Have you called(Ma/Mom)?(6)Did you say(who“/whom“)?4.Read the following sentences.(1)The man who makes no mistakes does not usually make anything.(2)Mountain climbing has become more and more welcome among the masses.(3)What an amazing memory Mr.Martin must have.(4)Merchants in America believe that money makes the mare go.第18页Exercises 5.Listen and underline the word that you hear in each sentence.(1)Did you like the play/plain?(2)Mom said it was war/worn,didnt she?(3)I could feel the ray/rain on my face.(4)Is it really dull/done?(5)Wheres the dogs bone/bowl?(6)Thats a fine/file cabinet.6.Read the following sentences.(1)Nothing venture,nothing have (2)Nancys number is neither ninety nor nineteen.(3)Helens new house is near the lake.(4)Good morning.Im looking for a one-bed-bedroom apartment downtown.第19页Exercises 1.Practise the sound/in sing./,/,/2.Listen and try to distinguish whether the sound read is/n/or/.sin sing son song thin thing ran rang win wing ton tong3.Read the following words.First slowly,then quickly.singer singing youngish hang up long ago bring it wrong again among others第20页Exercises 4.Listen and repeat.Pay special attention to the phoneme/.(1)The golden rule of life is making a beginning.(2)Mr.Finger will linger longer because his hunger is stronger.(3)My uncle sang a spring song in the jungle.(4)Cam brings on gray hair and age without years.(5)I can think of six thin things,Six thin things,can you?Yes,I can think of six thin things,And of six thick things,too.(6)As I was going along,along,along,I sang a comical song,song,song.The lane that I went so long,long,long,And the song that I sang was as long,long,long,And so I went along singing the song,song,song.第21页/第22页Allophonic variations of/r/Devoiced as in voiceless clusters:treatThe one-tap flap/r/:veryThe retroflexed/r/:rightThe back/r/,before or after/k/or/:crate grey第23页第24页/l/-/r/，/r/和 ri(日)对比练习:/liru/&/luri/rural,lull,really,leery第25页Allophonic variations of/l/Syllabic:bottleClear-l,made with the tongue in the classical fronted position:leaseDark-l,(the tongue tip and blade in the post alveolar position):callDevoiced in consonant clusters with voiceless stops:playThe post-palatal,or velar/l/:milk第26页第27页