元音.pptVIP

双元音 合口双元音与集中双元音 双元音是由两个音合二为一，发音时由第一个音向第二个音滑动过程中没有任何停顿。 双元音发音饱满、圆润。第一个音长而响亮，第二个音短而模糊. 前重后轻，前长后短 避免把双元音单音化 合口双元音 /ei/ /?u/ /ai / /au/ /?i/ /ei/ 发音要点：口形由/e/向/i/滑动，下巴向上合拢，舌位随之抬高。 a table; a plate; a cake; a radio; an ashtray; a beefsteak Dialogues 1) A: What a beautiful cake! B: Yes, it’s Kate’s birthday cake. A: How old is she? B: She is eighteen today. A: Happy birthday to Kate. 2) A: Mrs. Taylor’s a good dressmaker, isn’t she? B: Yes. The newdress she made is great. A: Maybe I need her to make one for me. A: Wait a sec, Jane. It’s time to bake the bread. A: Hey, Rachel. Did you take the test？ B: No, I couldn’t make it. A: How come you couldn’t make it? I went to see a Broadway Play. What a shame! When will you take the makeup test? Maybe in April or May? Speak out 1) No pain, no gain.不吃苦中苦，没有甜上甜 2) Call a spade a spade. 实话实说 3) A penny saved is a penny gained.省下的既是赚的 4) Haste makes waste.欲速则不达 5) I hate to trouble you, but…我不想麻烦你，但是… 6) There’s no way I can get out of it.我无能为力 / ?u / 发音要点：口型由中元音/?/向后元音/u/滑动，双唇由扁平变成合圆形，到/u/的位置就停止发音 音素体验：a potato; a tomato; a nose; a home; a boat; a goat Dialogue A: What will you do tomorrow？ B: let’s go to the Summer Palace to row a boat, shall we? A: Oh, I’ve listened to the radio. The broadcast says tomorrow it will rain. A: In that case, we could just stay at home. A: I’m going to the grocery store. Would you like to go with me? B: Sorry. I have to write a letter. A: Anything I can do for you? B: Can you get some tomatoes for me? A: Ok. How many do you want? B: One kilo. Thanks. Speak out 1) Don’t go home alone, Joan. 2) Little stroke fell great oaks.水滴石穿 3) As you sow, you shall mow.种瓜得瓜，种豆得豆， 4) A straw will show which way the wind blows.草动知风向。 5) I’d like to propose a toast.我提议干杯 6) I know what you know. 我知道你知道什么 / ai / 发音要点：由舌位低、口型大的前元音//向舌位高、口形小的//滑动。发音时舌尖要抵住下齿。 音素体验：a kite; a knife; a pie; a lighter; an icecream Dialogues A: You bought a new motorcycle, didn’t you? B: Yes. How