1. LOGO English Phonetics ： Diphthongs 英语语音： 双元音 English Phonetics ： Diphthongs 英语语音： 双元音

2. This course Of ： English Pronunciation & Intonation （英语口语与语音） About ： Diphthong （双元音） On ： Two closing diphthongs /ai/ /au/ （两个合口双元音） For ： Freshmen majored in English （英语专业一年级学生） By ： Mi Lan （芈岚） Introduction ( 课程内容简 介 )

3. Contents Course Objectives 1 Definition and Pronunciation 3 2 Exercises 3 4 3 Diphthongs

4. Students will be able to : Define — in your own words, a definition for vowels ， diphthongs Compare — based on the basic understanding of the concept ， compare them with other vowels Practice — imitate the sounds and do practice Course Objectives

5. Diphthongs What to learn How to learn quickly and smoothly move your mouth The most important thing to remember is for all diphthongs, the first part is much stronger and longer than the second part.

7. /i ə / I fear he can’t hear me clearly. /ε ə / That’s the square to hold the fair. /u ə / The tourist toured the moor. 3 CENTERING DIPHTHONGS

8. /ei//ei/ Haste makes waste. /ei/ /ai//ai/ Mike tried to get the prize. /ai/ / ɔ i// ɔ i/ The spoilt boy destroyed the toys. / ɔ i/ / ə u// ə u/ Don’t go home alone. / ə u/ /au//au/ He shouted loud to the crowd. /au/ 5 RISING DIPHTHONGS

10. /ai/ /əu/ / ɔ i/ B E C D A 5 rising diphthongs /ei/ /au/

11. 脱口而出（ Speak out ） 朗读下列语句，注意发好双元音 /ai/ 1)Strike while the iron is hot. 2)Time and tide wait for no man. 3)I like to ride my light white bike, and fly a white light kite with my wife.

12. 脱口而出（ Speak out ） 朗读下列语句，注意发好双元音 /ai/ 1)Strike while the iron is hot. 2)Time and tide wait for no man. 3)I like to ride my light white bike, and fly a white light kite with my wife.

13. 脱口而出（ Speak out ） 4) All day long the sun shines bright, the moon and the stars come out at night. From twilight time they line the skies ， and watch the world with quiet eyes.

14. 脱口而出（ Speak out ） 4) All day long the sun shines bright, The moon and the stars come out at night. From twilight time they line the skies ， And watch the world with quiet eyes.

15. A: It's not easy to make a dinner for six, including Mike. B: Don't worry. I could give you a hand. My meat pies are terrific. A: OK. You could make six meat pies for us as the main dish. B: That would be my pleasure. 对话演练（ Dialogues ）

16. A: It's not easy to make a dinner for six, including Mike. B: Don't worry. I could give you a hand. My meat pies are terrific. A: OK. You could make six meat pies for us as the main dish. B: That would be my pleasure. 对话演练（ Dialogues ）

17. 1) A writer named Wright was instructing his little son how to write Wright right. He said: "It is not right to write Wright as 'rite'---try to write Wright right!" 绕口令（ Tongue twister ）

18. 1) A writer named Wright was instructing his little son how to write Wright right. He said: "It is not right to write Wright as 'rite'---try to write Wright right!" 绕口令 (Tongue twister)

19. 2) There is no need to light a night light on a light night like tonight, for a bright night light is just like a slight light. 绕口令 (Tongue twister)

20. 2) There is no need to light a night light on a light night like tonight, for a bright night light is just like a slight light. 绕口令 (Tongue twister)

22. /ai/ /əu/ / ɔ i/ B E C D A 5 rising diphthongs /ei/ /au/

23. 脱口而出 ( Speak Out ) 朗读下列语句，注意发好双元音 /au/ 。 l) Round and round he danced in front of the crowd. 2) Brown spends hour after hour among his flowers.

24. 脱口而出 ( Speak Out ) 朗读下列语句，注意发好双元音 /au/ 。 l) Round and round he danced in front of the crowd. 2) Brown spends hour after hour among his flowers.

25. 脱口而出 ( Speak Out ) 3) March wind and April showers bring May flowers 4) Get out of my house now. 5) I‘ve heard so much about you. 6) How about going downtown, now?

26. 脱口而出 ( Speak Out ) 3) March wind and April showers bring May flowers 4) Get out of my house now. 5) I‘ve heard so much about you. 6) How about going downtown, now?

27. 对话演练（ Dialogues ） A: Nice to meet you, Mrs. Brown. B: Nice to meet you, too. Mr. Howard. A: Listen! Who’s shouting? B: That's my son singing. But he sounds like he’s shouting.

28. 对话演练（ Dialogues ） A: Nice to meet you, Mrs. Brown. B: Nice to meet you, too. Mr. Howard. A: Listen! Who’s shouting? B: That's my son singing. But he sounds like he’s shouting.

29. 1) Black background, brown background. 2) Robert Rolly rolled a round roll around the roll. 绕口令（ Tongue twister ）

30. 1) Black background, brown background. 2) Robert Rolly rolled a round roll around the roll. 绕口令（ Tongue twister ）

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