舌端离下齿舌后抬高课件

Book 1,Designer :Yuanlee,Yang Limin,实 用 英 语 语 音,English Pronunciation,Designer :Liu Daiqiong,1. Introduction,2. /a:/,3. / / /:/,4. / /:/,5 . Comparison,6. Exit,Contents,Exit,Back Vowels,Unit 3 About back Vowels /:/ / / /:/ / /:/ By Lydia,/:/ / / /:/ / /:/,The back vowels, again going from open to close, the low to high, are the vowels of large, lot, laud, look, and loot. The back vowels are produced by shifting the body of the tongue back from its central position. The tip of the tongue remains at the level of the lower teeth. They are also may be subdivided into those that are high, mid, and low according to the height of the tongue.,The vowel is made by opening the mouth wide, lowering and flattening the tongue in the oral cavity. 该音是个后元音, 发音时, 舌端离下齿,舌后略抬高, 舌位较低,唇形自然略成圆形,牙床开.,/:/,1.Practise the words with the vowel phoneme / / /:/in groups, paying special attention to each of them. / / /:/ back buck bark lack luck lark shad shut shark pat pub part mad mud smart,Unit 3 / /:/,/ / It is a low vowel, the lips are slightly rounded. 后元音 ，长元音。发此音时，舌端离下齿,舌 后部抬高,略高于/:/ ,双唇自然略成圆形, 但略小于/:/;牙床近于开,但略小于/:/. /:/ For its production, the tongue is retracted and almost flat in the mouth. The vowel is almost fully back and has quite strong lip-rounding. 后元音 ，短元音。 发此音时，舌端离下齿,舌后部抬高,明显高于 /, 唇形 较圆, 比 /更圆,牙床半开,较 /的开口程度小.,/ /,单词发音练习 cock shop office hospital,/ /,短 语 hot coffee on the box long gob drop the pot,/ /,句 子 A: I have a bad cough. B: you must see a doctor. A: yes, I must go to the hospital.,Exercise / /,2. Practise the words with the vowel phoneme / / in groups, and then compare its various allophones in length. song /s /, soft /s ft/ want /w nt/, watch /w / fog /f /, cock /k k/ pod /p d/, pot /p t/ hod /h d/, hot /h t/ dog /d /, dock /d k/ shod / d/, shot / t/ log /l /, lock / k/ nod /n d/, not /n t/,Exercise /,3. Underline the word that you hear. Each sentence will be read twice. (1) He went to the (pond, pound). (2) Dont sit on the (cat, cot)! (3) I put the (map, mop) away. (4) Did you see that (cap, cop)? (5) Did you hear that (shot, shout)? (6) It is only a small (spot, spout). (7) Theres a (duck, dock) on the lake. (8) Any good (Scot, scout) knows that. (9) That (colour, collar) looks good on you. (10) He keeps his money in a (sack, sock). 4. Read the words with the vowel phonemes / and / , first horizontally and then vertically. Dan /dn/, don /dn/ cat /kt/, cot /kt/ pat /pt/, pot /pt/ sad /sd/, sod /d/,Exercise,/ 5. Read the following with the vowel sounds /, / and /:/slowly and correctly. hot country /ht kn.tri/ hot oven /ht v.n/ study hard /std.i h:d/ drug-fast /dr f:st/ large fund /l:dfnd/ gun shot / t/ large cup /l:d kp/ lumber yard / :/ calm mother /k:mm/ young John / / odd result /d rizlt/ much money / mni/,Exercise/,6. Read the following sentences slowly and correctly. (1) Its not the story of “The Fox and the Cock“. (2) A dog was shot at the corner of the rock. (3) Lots and lots of clocks and watches have gone wrong. (4) I want a lot of copies of the song by Tom. (5) A lot of pots are being sold in the shops. (6) Thomas .has got a shock under the dock. (7) The doctor has a stock of bottles in his office. (8) We set the rack on rock. (9) We got this bottle after the battle. (10) He put the packet of pills in his pocket.,/:/,单词发音练习 fork ball morning airport,/:/,短 语 four balls morning glorry score board sports reporter,/:/,句 子 A: I see two children on the blackboard. B: He is short. A: She is shorter.,Exercise /:/,1. Practise the words with the vowel phoneme /:/ in groups, and then compare its various allophones in length. laws /l:z/ lore /l:/ saws /s:z/ sauce /s:s/ broad /br:d/ brought /br:t/ ford /f:d/ fort /f:t/,Exercise /:/,3. Underline the vowel letters pronounced /:/ in the paragraph. Someone at the hospital called the Red Cross office in Brooklyn, and a request for the boy to rush to Brooklyn was relayed to the Red Cross director of the North Carolina Marine Corps camp. Because time was short-the patient was dying-the Red Cross man and officer set out in a jeep. They located the sought-after young man wading through marshy boondocks on maneuvers. 4. Listen and check your answers.,Exercise,/:/ 5. Underline the word that you hear. Each sentence will be read twice. (1) Thats no (fun, fawn). (2) Is it (done, dawn) yet? (3) Can you (tuck, talk) the up. (4) Write the word (rot, wrought). (5) They were both (cut, caught). (6) Spell the word (pond, pawned). (7) It was (sod, sawed) in the yard. (8) He paid $100 for the (stocks, stalks). (9) They are (hunting, haunting) an old castle. 6. Read the following sentences slowly and correctly. (1) We all ought to listen to the auctioneer. (2) The law must be withdrawn. (3) Paul has a bad cough which he caught when swimming. (4) The article was written in awful condition. (5) We altered the plan and walked.,Unit 3 /u/ /:/,/ / It completes the vowels in the high back space on the vowels chart, and it is not made with as much tension in the root of the tongue as /:/，and the part of the tongue raised for / is not as far back as that for /:/. It is a high, back rounded vowels and it occurs only in the middle of a word. 舌端离下齿，舌后抬高，明显高于/ / 的舌位， 但比/ / 的位置更向前，唇形自然，圆而小，牙床半开。 /:/ It is the highest back vowel, so the raised part of the tongue for / / is higher than that for / /, and the / / has quite strong lip rounding while the lips are only slightly rounded for / /.It occurs in all three positions of a word. 舌端离下齿，舌后抬高，明显高于/ / 的舌位， 是五个后元音当中舌位最高的一个；唇形尽量收缩成小而圆，明显小于/的唇形；牙床接近合，但是舌位不接触上颚，没有磨擦。,/u/,单词发音练习 foot wood book push,/u/,短 语 good cook couldnt look good book pudding without sugar,/,句 子 A: Where did you put the book? B: Which book? A: The book you bought yesterday. B: Oh, I put it on the bookshelf,Exercise /u/,1. Practise the words with the vowel sound /u/ in groups, and then compare its various allophones in length. Should /ud/, shook /uk/ could /kud/, cook /uk/ bull /u/, book /uk/ pudding /u/, putting /u/,Exercise /u/,2. Underline the words containing /u/ in the paragraph below. The late Alfred Adler, the famous Viennese psychologist, wrote a book entitled What Life Should Mean to You. In that book he says: “It is the individual who is not interested in his fellow men who has the greatest difficulties in life and provides the greatest injury to others. It is from among such individuals that all human failures spring.“ 4. Listen and check your answers.,Exercise /u/,3. Read the following sentences slowly and correctly. (1) The woman wore a good-looking jacket. (2) He will be happy with such a good book. (3) She was a good cook. (4) She put a cushion under her head and relaxed. (5) I mistook him for the butcher. (6) We put all the wood we had gathered. (7) You should shut the door. (8) Look what bad luck we had. (9) He asked Huck to help Hook. (10) Who is that ugly-looking woman?,/:/,单词发音练习 zoo who food blue,/:/,短 语 a tooth for a tooth fruit juice Sue and Lucy amusing news,/:/,句 子 A: Look at my new shoes! B: Oh, they are beautiful. A: Your boots are beautiful, too.,Exercise/:/,1. Practise the words with the vowel phoneme /u:/ in groups, and then compare its various allophones in length. lose /lu:z/, loose /lu:s/ prove /p:v/, proof /p:f/ sued /sju:d/, suit /sju:t/ rude /ru:d/, root /ru:t/ use(v. ) /u:z/, use(n. ) /u:s/,Exercise/:/,2. Underline the word that you hear. Each sentence will read twice. (1) (Look, Luke), I want you to come here. (2) The sign on the door says (Pull, Pool). (3) Where did that black (soot, suit) come from? (4) The woman pushed the book with her (foot, food). (5) They are (pulling, pooling) it. (6) He said the pigeon (could, cooed-cooee). (7) She (stood, stewed) them in the kitchen. (8) Only a (full, fool )horse would do it.,Exercise/:/,3. Read the words with the vowel sounds /u/ and / u:/ first horizontally and then vertically. pull /pl/, pool /pu:l/ stood /std/, stewed /stju:d/ full /fl/, fool /fu:l/ look /lk/, Luke /lu