Lecture6TeachingplanandarrangementContentoflectureinthetextbookLengthofVowelsandConsonants绝对长度相对长度3.元音长度明显受句子重音的影响。在句中，（接受句子重音的单词）重读音节中的元音长度明显地长于非重读音节中的元音，这是构成英语节奏的一个重要音素。Hissisterisinhersixtieth.4.辅音后面紧接浊辅音时要比后面紧接清辅音时长beltVSbelledsimpleVSsymbolbentVSbendbankVSbanged听录音P83ConsonantClusters词首辅音连缀P853.或发音时，摩擦音和必须同步进行4发音时，第一个摩擦音短而轻，第二个爆破因必须少送气并与第三个辅音同步完成发音，三个辅音之间不能加上词尾辅音连缀focusofbook失爆和不完全失爆连读ConnectedspeechbyBBCTAE1-3Weakform-schwaPronunciationSchwaEXERCISESWhatisconnectedspeech?IntroductionofProgrammeIntroductionofprogrammeIntroductionofprogrammeThepointsintheTAEPronunciation13)Shouldstudentsaimtosoundlikeanativespeaker?3.1)Notessentialtosoundlikenativespeaker–lotsofacceptablenativespeakeraccents.3.2)Importanttounderstandnativespeakers-speechwillbefastandfluent–maycausedifficulties.3.3)Importanttoknowwhatnativespeakersdowhentheyspeak.---Usefulforlisteningtotheradio,TV,filmsevenifyoudon’tmeetmanynativespeakersWhat’sinthisprogramme?LinkingConsonant-vowellinkingVowel-vowellinkingExamplesofsoundlinkingINSERTS(Canbeplayedinasshortclips)1.2).strongformsoundlinking“Don‘tforgettoswitchoffthelightbeforeyougoout”(switchoff=swichoff)Adviceforlinking12’28’’Weakform-schwaConsonanttovowellinkingVoweltovowellinkingThepointsintheTAEPronunciation21.Questionaboutspellingandpronunciation2.Whathappenstocertainsoundsinwordswhenpeoplearespeakingnaturallyandfluently?Theycanlink_R-vowellinkingSomeexamplesofR-linkingAdviceforRsoundAdviceof“R”forlearnersSomemorefeaturesoffluentspeechAbittiredAdviceforstudents8’18”INSERTEXAMPLEI’vefinishedit.She'ssleptfor3hoursTheycandropWhy?TorecapthepointsinTAE2ConnectedSpeechWordsarenotalwayspronouncedthesame!Innormalfluentspeechthesoundscanchangewhenwordsbumpintoeachother.Thechangesusuallyhappenatthewordboundaries（词界）,particularlyattheendofwords.Soundstwinning(gemination)gemination[,dʒemi'neiʃən]n.成双,成对,成倍,重叠,重复,(牙齿)双生,并生Whenawordendsinaconsonantsoundandthefollowingwordbeginswiththesameconsonantsound,wedon'tpronouncetwosounds-bothsoun