英语语音鼻音舌边音ppt课件.ppt

Nasals Approximants Lateral 1 Nasals Approximants Lateral s Likethestops thenasalsareallmadebyclosingthevocaltractatsomepointinthemouth Unlikethestopsoranyothersoundsinthelanguage thereisanopeningintothenasalcavityinthepronunciationsothatthesoundcanberesonatedthroughthenose Thenasalconsonantsare m n and w r and j arecalledapproximantsbecauseitisanarticulationinwhichthearticulatorsapproacheachotherbutdonotgetsufficientlyclosetoeachothertoproducea complete consonantsuchasastop nasalorfricative l iscalleda lateral becauseduringitspronunciation thepassageofairthroughthemouthdoesnotgointheusualwayalongthecentreofthetongue 2 UNIT9 汉英对比 浊辅音 发音时 双唇闭拢 气流从鼻腔泻出 声带振动 的发音近似于汉语的 母 但区别之处在于发 m 时要双唇紧闭 声带振动 浊辅音 发音时 舌尖贴上齿龈 形成阻碍 气流从鼻腔泻出 声带振动 n 的发音接近于汉语的 恩 但不同之处在于发 时 嘴唇微开 舌尖贴紧上齿龈 浊辅音 舌后部抬起紧贴软腭 形成阻碍 同时软腭下垂 堵住口腔通道 气流从鼻腔泻出 声带振动 的发音近似于汉语 嗯 但不同之处在于 发 时口腔开得更大 声带振动 3 4 单词发音练习moonhomemedicinemountain 5 短语man madecometomorrowmakeamistakemiddlename 6 句子A Mumhascomebackhome B Marvellous A Mumsayswe llgoandseeamovietonight B Yes wecertainlywill 7 Allophonicvariationsof m Syllabic somethingLengthened whenanarresting m isfollowedbyareleasing m somemoreThelabiodnetalnasal whenfollowedby f comfort 8 单词发音练习necktinnightnoise 9 短语neatbrandytelephonenumberanegativeanswerhardentheneck 10 句子A WhatanicepostcardoftheGrandCanyon B TheyarewonderfulA Whosentittoyou B Afriendofmine 11 Allophonicvariationsof n Dentalizedbeforealabiodental f or v inviteVelarizedbefore k or thinkSyllabic buttonLengthening when n arrestsandreleasesadjoiningsyllables tennames 12 单词发音练习inkringsingmonkey 13 短语ring a dingstrongstringrisingdiphthongplayingping pong 14 句子A Doyoulikedrinkingtea B Yes Ido A Weareadvisedtodrinkmoreteathancoffee B Teaisgoodforhealth 15 Allophonicvariationsof Thealveolar n whenfollowedbyanalveolar takingtenSyllabic lockandkey 16 Exercises 1 Practisethephoneme m inman firstnormally thenwithexaggeration thennormally Listenandrepeat 2 Somestudentsleaveoutthephoneme m whentheyoccurfinally Listenandrepeateachwordpair tie timetea teamsee seemcry crimesay sameblue bloom 17 Exercises 3 Listenandunderlinethewordthatyouhearineachsentence 1 The rye rhyme wasverygood 2 I llgivehimhis due doom 3 Wealllikethat dough dome 4 Didn tyouseethe dye dime 5 Haveyoucalled Ma Mom 6 Didyousay who whom 4 Readthefollowingsentences 1 Themanwhomakesnomistakesdoesnotusuallymakeanything 2 Mountainclimbinghasbecomemoreandmorewelcomeamongthemasses 3 WhatanamazingmemoryMr Martinmusthave 4 MerchantsinAmericabelievethatmoneymakesthemarego 18 Exercises 5 Listenandunderlinethewordthatyouhearineachsentence 1 Didyouliketheplay plain 2 Momsaiditwaswar worn didn tshe 3 Icouldfeeltheray rainonmyface 4 Isitreallydull done 5 Where sthedog sbone bowl 6 That safine 6 Readthefollowingsentences 1 Nothingventure nothinghave 2 Nancy snumberisneitherninetynornineteen 3 Helen snewhouseisnearthelake 4 Goodmorning I mlookingforaone bed bedroomapartmentdowntown 19 Exercises 1 Practisethesound insing 2 Listenandtrytodistinguishwhetherthesoundreadis n or sin singson songthin thingran rangwin wington tong3 Readthefollowingwords Firstslowly thenquickly singersingingyoungishhanguplongagobringitwrongagainamongothers 20 Exercises 4 Listenandrepeat Payspecialattentiontothephoneme 1 Thegoldenruleoflifeis makingabeginning 2 Mr Fingerwilllingerlongerbecausehishungerisstronger 3 Myunclesangaspringsonginthejungle 4 Cambringsongrayhairandagewithoutyears 5 Icanthinkofsixthinthings Sixthinthings canyou Yes Icanthinkofsixthinthings Andofsixthickthings too 6 AsIwasgoingalong along along Isangacomicalsong song song ThelanethatIwentsolong long long AndthesongthatIsangwasaslong long long AndsoIwentalongsingingthesong song song 21 22 Allophonicvariationsof r Devoicedasinvoicelessclusters treatTheone tapflap r veryTheretroflexed r rightTheback r beforeorafter k or crategrey 23 24 l r r 和ri 日 对比练习 liru luri rural lull really leery 25 Allophonicvariationsof l Syllabic bottle Clear l madewiththetongueinthecl