实用英语语音学.pptVIP

Example and practice: /f/: voiceless, labio-dental, fricative, usually aspirated, strong, long. /v/: voiced, labio-dental, fricative, usually unaspirated, weak, short. Practice: a half sniff a brief love a stiff glove a safe move a brave bluff a grave grief /Θ/?: voiceless, dental, fricative, aspirated strong, long. /e/ : voiced, dental, fricative, unaspirated, weak, short. Practice: think this thief these thing within something other /s/ : voiceless, alveolar, fricative, aspirated, strong, long. /z/ : voiced, alveolar, fricative, unaspirated, weak, short. Practice: place plays coarse cause bus buzz race raise false falls niece knees /?/ : voiceless, palato-alveolar, fricative, aspirated, strong, long. /?/ : voiced, palato-alveolar, fricative, unaspirated, weak, short. /h/ : voiceless, glottal, fricative Practice: /?/ sh: ship wash; ss/s: sure sugar -tia-,-tie-, -tio-: partial initial nation -cia-,-cie-,-cio-: social conscious -sion : pension discussion omission /?/ -sure, -zure: leisure treasure -sion: decision confusion -ge: garage /h/ h: heat hot ; wh-: who whole Manner of Articulation : 3)Affricates There are three pairs of affricates in English: /?/, /?/ :the air passage is completely blocked by raising the soft palate and raising the tip of the tongue to touch the back part of the teeth ridge /tr/, /dr/: are articulated by raising the tongue tip to touch the back part of the teeth ridge. /ts/, /dz/: are articulated with the tongue tip raised to touch the back part of the teeth ridge. Example and practice: /?/: palato-alvealar, affricate, voiceless, aspirated, strong, long. /?/: palato-alveolar, affricate, voiced, unaspirated, weak, short. Practice: /?/: ch,tch: church chair match t+ure, t+eous: nature picture t+ion: question suggestion /?/: g: gentle age giant ;