英语语音PPT9-1.Stressandrhythm

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1、Unit22StressandRhythm(重读和节奏)WhenEnglishspeakersarespeaking,theyusually:makesomepartsofwordsstrongerandclearerthanotherparts(wordstress)joinpartsofthewordstogether(soundlinking)arrangewordsintogroupsandjointhemtogether(pausesandwordgroups)makesomewordsstrongerandclearerthanotherwords(senten

2、cestress).Everylanguageintheworldhasitsownrhythmicpatterns.Therearetwotypesofrhythmintheworld’slanguages:Stress-timing（重音定时节奏）andsyllable-timing（音节定时节奏）Stress-timing：Equalintervalsbetweenstressedsyllables(重读音节之间使用一样的时间间隔)Prototypicallanguages:English,Dutch,GermanSyllable-timing：Equalsyllabled

3、urations（每个音节使用一样的时间长度）Prototypicallanguages:French,SpanishAlllanguagesoftheworldaresaidtofallintoonegrouportheotherTwoTypesofRhythmRhythminEnglishspeechisbasedonstress(英语的节奏基于重读，或者节奏以重读音节为节奏单位)TheEnglishspeechisStress-timing,thatis,thestressedsyllablesfolloweachotheratroughlyequalintervalsof

4、time.InEnglish,variationofsyllablesorwordsthathavestrongstresswiththosethathaveweakerorreducedstressistypicalandcontributestotherhythmofEnglish.Therefore,rhythminEnglishspeechisbasedonstress.Arhythmunitisformedbyastressedsyllable,togetherwithunstressedsyllableswhichmaycomebeforethatstressand/

5、orafterit.ExampleOne:clapyouhandsintimetothestressasyoureadthesentences。读以下句子的时候，请随着重读音节拍手.Note:thestressedsyllablesfolloweachotheratroughlyequalintervalsoftimeRhythminEnglishspeechisbasedonstress(英语的节奏基于重读，或者节奏以重读音节为节奏单位)/Tom/John/Steve/Sam/Thomson/Johnson/Steven/Samson/Thomsonand/Johnsonand

6、/Stevenand/Samson/Thomsonandthen/Johnsonandthen/Stevenandthen/SamsonRhythminEnglishspeechisbasedonstress(英语的节奏基于重读，或者节奏以重读音节为节奏单位)ExampleTwo:readthefollowingpairsofphrasesandsentences.Blackorwhite?Itwasblackanditwaswhite.softandlightIt'ssoftandit'slight.DanandSueItwasDannyanditwasSusie.breada

7、ndmilkSomebreadandsomemilk.Getapurse.Getusherpurse.adarkroomItwasdarkintheroom.coldwinterItwascoldinthewinter.Note:ittakesaboutthesamelengthoftimetosayeachpairofthesephrasesandsentencesbecausethenumberofsyllablesmayvarybutthenumberofstresseds