高中开学英语第一课语音复习一等奖公开课ppt课件(1).pptx

The first lessonWelcome to our school To learn English well, you must learnA.International phonetic symbols(音标)B.Words and expressionsC.Sentence patternsD.Grammar rules What am I going to do for you?To give you some directions, help you learn, check your schoolwork.To be active (in class activities). To be brave (to speak, ask and answer). To be careful (with your work).What are you going to do in and after class? Shall we have some class rules in our English lessons?Don’t be late for school or class. No eating or drinking in class. No sleeping in class. No talking when someone is speaking. No laughing when someone makes a mistake. No fighting in class. 7. Hand in your homework on time…… Remenber* Be on time. Be quiet when the teacher comes.* Take your textbook, a notebook, (a writing pad) a black pen and a red pen.* Listen carefully in class.* Always put up your hand before you want to say something. International phonetic symbols(音标) 前元音中元音后元音 [ i:] [ i ] [ e ] [?] [?:] [?] [?][ɑ:] [?] [?:] [ u ] [u:]单元音 双元音[ei] [ai] [?i] [au] [?u]合口双元音[i?] [ε?] [u?]集中双元音 辅音——不论声带振动与否，发音时气流从肺部呼出后在通路上要受到种种阻碍而发出的音素；发音时声带不振动的辅音叫“清辅音”，声带要振动的叫“浊辅音”。辅音 辅音爆破音(Plosive/Stops)破擦音(Affricates)声门音(Glottal Fricative)鼻辅音(Nasals)。1.[p] [b] [t] [d] [k] [g] 。2. [f] [v] [θ] [?] [s] [z] [?] [?]。3.[?] [?] [tr] [dr] [?] [?]。4. [h]。5. [m] [n] [?]。6. [r] 舌边音(Lateral) [ l ] ([ ?]) [ l ] 出现在元音音素之前, 如:[l?v] [ ?] 出现在: ①元音音素之后, 如:[tel] ②辅音音素之后,如:[??pl] ③元音音素之后,辅音音素之前;[belt]摩擦音(Fricatives)舌端硬颚摩擦音半元音 (Semi-vowels) [j] [w] 音节1)绝对开音节：以要读音的元音字母或后跟一个不发音的“e”结尾的音节，如:he, she, me, shy, no, go, able, table, university, blue, lie, tie, die等。 2)相对开音节：发音的元音字母后跟一个（或多个）发音的辅音字母+不发音的元音字母“e”构成的音节。如：lake, cake, take, haste, strange, time, waste, mute, paste一个元音字母后跟一个或多个辅音字母构成的音节叫“闭音节”。（元音字母前可能有也可能没有辅音字母） 如：at, edit, it, odd, up bad, desks, with, mop, mutton以两个或两个以上发音的元音字母与辅音字母组合起来的音节，叫字母组合音节。