音标之元音教学课件2023-2024学年人教版英语七年级上册

英语音标 元音 Speech Organs Basic resonators: the nasal cavity 鼻腔 the pharyngeal cavity 咽腔 the oral cavity口腔 the labial cavity唇齿腔 Classification of Vowls 14 6 3 Monophthongs 4 The front of the tongue is raised. There is no lip rounding. The back part of the tongue is raised. There is lip rounding. The central part of the tongue is raised. No lip rounding. /i:/ /I/ /e/ /A/ /Q/ /ɜ:/ /E/ /B:/ /ɒ/ /C:/ /J/ /U:/ Front vowels: Back vowels: Central vowels: Front vowels /i:/ /I/ /e/ /A/ Diagnostic Test for Front vowels: /i:/ /I/ /e/ /A/ --She’s got lovely cheeks. --She’s got lovely chicks. --Bend the iphone. --This bed is very bad. Front vowle /i:/ Key words for /i:/ key /ki:/ ≠ /kei/ (K k) east /i:st/ ≠ /ji:st/ (yeast) green /gri:n/ ≠ /grein/ (grain) Front vowle /I/ Key words for /I/ big pig bit dig beside behind business between city body pretty pity 01 bit 02 Behind X /A/ 03 forty 01 tick 02 beside 03 journey Attention: Tips for producing /I/ Type 1: /I/ Type 2:≈/E/ Type 3:≈/e/ 12 Front vowle /e/ Front vowle /A/ Key words for /e/ and /A/ bet best desk battle bag ban panda mammal pet-pat pen-pan bed-bad end-and Differences in AE and BE for /A/ can, ham, thanks 4:13 - 5:28 Back vowels /ɑ:/、 /ɒ/、/ɔ:/、/ʊ/、/u:/ 、 Diagnostic Test for Back Vowels: /ɑ:/ /ɒ/ /ɔ:/ /ʊ/ /u:/ -- The machine stops and starts. -- The ferry is leaving the port -- He is a cook for a nearby school. Back vowel /ɑ:/ Key words for /ɑ:/ art carp cigar calm half party heart master drama apartement Variation of /ɑ:/ in American Accent /ɑ:/ → /æ/ after laugh path rather faster castle demande dance chance Back vowel /ɒ/ Key words for /ɒ/ box frog doctor watch what communist quality wander property Differences in AE and B