第一课时-音标(一)--修订版.pptVIP

A Joke American: How old are you? Chinese Boy: I am dirty. American: Where are your going today? Chinese Boy: I am going to the seashore to die. 英语国际英标简介 音标是用于标记语音的符号，就是因素的书面符号。英语音标的作用相当于中文的拼音。 音素是语音的最小单位，一个音素就是一个音。48个音素，20个元音，28个辅音 音标在标注字母或单词的读音时，音标外要用方括号[ ]或两条斜线/ /括起来，以免与单词或字母混淆。 元音和辅音 元音是指发音时气流通过口腔或鼻腔时，不受任何阻碍，同时声带振动。英语中的元音共有20个。 辅音是指发音时，气流从肺部压出后，通过口腔或鼻腔时收到各发音器官的阻碍，如受唇、齿、舌、咽喉等阻碍而形成的音。英语中的辅音音素按声带是否振动，可以分为11个清辅音和17个浊辅音。 清辅音发音时声带不振动，浊辅音发音时声带振动。 单元音 /i:/ /i/ /u:/ /u/ /?:/ /?/ /a:/ /?/ /?:/ /?/ /e/ /?/ /i:/ 发音要诀 （1）舌尖抵下齿，舌前部尽量抬高 （2）双唇扁平，牙床几乎半合 （3）这是长元音，发音时嘴角向旁伸，做微笑状，并要有一定的延长 ★发音练习 me /mi:/ key/ki:/ see/si:/ sea/si:/ piece/pi:s/ 字母组合e, ey, ee, ea, ie发/i:/ 朗读下面的句子 A friend in need is a friend indeed. Which would you like, black tea or green tea? Can you see the green tree? There is a key on the seat? Do you like to eat meat? Don’t Catch Me! Policeman! Policeman! Don’t catch me! Catch that boy behind the tree. I stole meat and he stole tea. Policeman! Policeman! Don’t catch me! /i/ ★发音要诀 （1）舌尖抵下齿，舌前部抬高，音短促 （2）双唇扁平，牙床半合，上下齿之间可以放下一个小指尖，口腔肌肉松弛。 ★发音练习 milk hit minute [m?lk ] [h?t] [m?n?t] city delicious fish [s?t?] [d??l???s] [f??] window happy [?wind?u] [h?p?] 字母I, y, e发[i] 朗读下面的句子 This is a pig. Tim is as thin as a pin. Dick often sits on the hill. Bill lives in this village. It is a pity. This city is too noisy. [i:]和[i] 对话演练 A: Is it chicken? B: No, it’s cheese. A: Is it ready to eat? B: Yes, you needn’t heating it before you eat. /e/ ★发音要诀 （1）舌尖抵下齿，舌前部稍抬高 （2）双唇中长，上下齿间可容下一食指，口腔肌肉松弛 ★注意事项 （1）发/e/音时，唇不能张得太大 （2）要避免舌头随便移动，从而发成其它的双元音 ★发音练习 朗读下面的单词 leg [leɡ] many [men?] bread [bred] 朗读下面的句子 It is never too late to mend. He has already passed the test. Fresh vegetables are good for health. So many men, so many minds. Let’s get ready for the lesson. /?/ ★发音要诀 （1）舌尖抵下齿，舌前部稍抬高，音短促 （2