音标半元音.doc

天才中小学教育学案 教师：_学生：_上课日期_ 年 级：七年级科 目:英语 课 题：破擦音（6个） 鼻辅音（3个）半元音（2个）半元音（2个）舌侧音（1个）教师评价：_家长签名：_教学流程：1、 教学目标2、 教学考点、重点、难点归纳3、 典型例题4、 基础训练题5、 知识应用题6、 能力提高与拓展题Step 1复习摩擦音(2) 摩擦音（10个） 摩擦音是发音时，气流开始部分受到阻碍，随后气流从缝隙中泄出，发出声音。 1、 /f/ 是清辅音，/v/浊辅音。发音要决：下齿轻触上齿，气流从唇齿间的缝隙泻出摩擦成音/f/ 例词： fat fast face fine life fire phone father /v/ 例词： of love view vine very violin leave ， 2 、/ 是清辅音， /e/ 是浊辅音。发音要决：舌尖轻触上齿背，气流从唇齿间的缝隙泻出摩擦成音，/ 例词： both cloth three thing mouth hanks birthday / 例词： that than these bathe mother3 、/s/ 是清辅音， /z/ 是浊辅音。发音要决：舌抬起，靠近上齿龈，气流由舌端和齿龈间泻出摩擦成音。/s/ 例词： sun ice sea sell same face snake mouse /z/ 例词： zoo eyes nose knees prize music4 、/ / 是清辅音，/ /是浊辅音。发音要决：舌尖和舌端向上齿龈后部抬起，舌身靠近硬颚开成一条狭窄的通道。气流由此泄出口腔，摩擦成音。双唇向前突出，略成圆形。/ / 例词： she sure wash ship sheep share shake shop fish / / 例词： pleasure usually 5、/h/ 是清辅音。发音要决：口张开气流不受阻碍，自由溢出口腔，在通过声门时产生轻微摩擦， / h / 例词： he hen hat hill high hair horse 6 、/r/ 是浊辅音，发音要决： 舌尖向上齿龈后部卷起，舌前部下陷，略成凹型，双唇稍向前突出，气流从口腔泻出，声带振动 。 / r / 例词： run red rain free race write read Step 2学习破擦音（6个） 鼻辅音（3个）半元音（2个）半元音（2个）舌侧音（1个） 破擦音（6个） 破擦辅音是由一个爆破音和一个摩擦音组成。1 、/ t / 是清辅音。/d /是浊辅音。发音要决：舌间和舌端抬起。贴住上齿龈后部形成阻碍，双唇稍向前突出，气流冲破这个阻碍后，通过舌和齿龈间的窄缝摩擦成音。/ t / 例词： watch child China chair cheap lunch / d / 例词： Jane jeep gem joke bridge orange2 、/ts/ 是清辅音。/dz/ 是浊辅音。发音要决：舌尖抵上齿龈形成阻碍，舌尖略下降气流泻出口腔 / ts/ 例词： pats cats shirts skates students /dz/ 例词： seeds cards hands roads3 、/tr/ 是清辅音，/dr/ 是浊辅音。发音要决：舌尖抵上齿龈后部形成阻碍，舌身取发/r/的姿势，气流冲破阻碍发出短促的t或d之后立即发/r/。 /tr/ 例词： train tree trip /dr/ 例词： drive drip dress dream 鼻辅音（3个）发三个鼻辅音时气流在不同的位置，程度不同地受阻，最后都通过鼻腔泄出，其中最难的音为/m /， 其次应注意/m/在单词末尾时应闭嘴，另外/n/不能与/l/混淆。 1 /m/是浊辅音、发音要决：双唇闭合,软鹗下垂气流从鼻腔泻出， /m/ 例词： me home came some mouth game many 。2 、/n/是浊辅音，发音要决：舌尖紧抵下齿龈形成阻碍，软鹗下垂气流从鼻腔泻出。 / n / 例词：son run thin neck noon knife number 3 、/ / 是浊辅音，发音要决：舌后部抬起，抵住软鹗，气流从鼻腔泻出。 / / 例词：Sing king song thing strong bring半元音（2个）1 、/ j /发音要决：舌前部尽量向硬鹗抬起，双唇平展口微开，气流从口腔泻出，可有轻微摩擦声带振动，一经发出立即向后面的元音滑动，一起发/j/ / j / 例词： yes yard year yellow 。2 、/ w / 发音要决：舌后部向软鹗抬起，双唇收圆并向前突出气流从口腔泻出声带振动，一经发出立即向后面的元音滑动，一起发/w/。 / w / 例词： wheat wheel way wood 舌侧音（1个）/l/ 发音有两种，清晰的/l/ 和含糊的/l/，清晰的/l/出现在元音前面，含糊的/l/ 出现在辅音前面或词尾。1 、清晰的/ l / 例词： letter lesson lion lamp 发音要决：舌端紧贴上齿龈，舌前部向硬颚抬起。气流从舌的两端泻出口腔l是浊辅音。2 、含糊的/ l / 例词： ball girl tall bottle 发音要决：舌端紧贴上齿龈后部，舌前部下陷气流从舌的两端泻出口腔l是浊辅音。3、区分鼻音n和舌侧音l 例词： /n/ nine now night know l line law light lownStep3练习一找出下列画线部分读音全相同的一组。1. sweaterbreadteabreakfast2. numbersomephotopuppet3. toyboygoatcoin4. jacketrabbitpandastamp二找出下列画线部分读音全相同的一组。1. planestandelephantorange2. loveoldcoldhello3. chesssheredvest4. lunchunclenumberhungry三找出下列画线部分读音不同的一组1. thirtyherturkeythirsty2. wheretherewearpear3. flowertrousersblousehouse4.whenwatchbetweenwrite四找出划线部分的发音不同的一个1. () A.thatB.thirtyC.ThursdayD. math2. () A. fastB. radioC. cakeD. shape3. () A. stoveB.openC. goD. gloves4. () A. mouthB.thankC.threeD.this五、找出与所给单词画线部分读音相同的的一项。1. black ()A. comeB. grandmaC.chair2. moon ()A. whoB.openC.woman3.art()A. whatB. gardenC.apple4. teach ()A. learnB. teaC.sweater5. dance ()A. rabbitB.afternoonC.day六、第五单元练习一. 单项选择 (每小题1分，共15分）( )1. The Chinese celebrate Chinese New Year and people in the USA celebrate Christmas. A. /; the B. /; /C. the; / D. the; the( )2. I can meet him the morning October 2nd. A. on; in B. in; of C. on; of D. in; in( )3. We usually go to visit my parents the Chinese New Year holiday. A. around B. insideC. across D. between( )4. It that our Chinese teacher is coming to see you. A. looks B. seemsC. feels D. listens( )5. It is for you to read English in the morning if you want to learn it well. A. different B. important C. special D. difficult( )6. do you usually do at weekends? I usually do homework, watch TV or help my parents with the housework.A. How B. WhatC. Why D. Where( )7. do you go to school every day? On foot. I think walking is good for my health.A. How B. WhyC. When D. Where( )8. subject do you like best, Chinese, English or Maths? English. And I am good at speaking it.A. Which B. WhoseC. How D. Why( )9. Children always get from their parents on the Spring Festival. A. good masksB. moon cakesC. red packets D. rice dumplings( )10. The Chinese enjoy fireworks when some good things happen (发生) in their families. A. set off B. letting off C. set up D. setting up ( )11. I want to a dragon at the Dragon Boat Festival.A. dress at B. dress in as C. dress upD. dress up as( )12. I want to buy bananas, but I dont have money (钱). A. some; some B. some; anyC. any; anyD. any; some( )13. When do you want to , this afternoon or tomorrow? This afternoon. A. paint the door green B. paint door the blue C. paint black the door D. paint the door for red( )14. ? Because we can play a trick on others and get some candies as a treat. A. When is the Mid-Autumn Festival B. How do you celebrate ChristmasC. Which festival do you like bestD. Why do you like Halloween( )15. Happy New Year, Millie! .A. All rightB. Thats OKC. Thank you D. The same to you二. 填空 （每小题1分，共20分）A. 根据句意及汉语提示完成句子。36. Dont (喊叫) in the room. Your father is sleeping.37. We have lots of (问题) to ask our sports hero. 38. Can you buy some (饺子) for me when you go past the shop?39. My teacher wants me to work hard and learn (更多) from books.40. Some people are listening to the (收音机) in the classroom now.B. 根据首字母提示，用合适的单词完成下面的句子或对话。41. Why not go for a walk after one-hour work? Thats a good i . 42. There is a new shopping mall in the c of the city. 43. My parents often take me to v my grandparents on Sunday. 44. How much are the posters? They c twenty yuan. 45. Many p children need our help. They dont have enough money to use. C. 请根据材料内容及首字母提示，写出所缺单词，使材料完整、通顺。Of all the festivals, the Chinese New Year is the most important. Every year people in China celebrate the festival. Before it comes, everyone buys many (46) t , and people often make a (47) s kind of food called dumplings and some other nice food. Parents always buy new clothes for their children and children also buy (48) p for their parents. On New Years Eve (除夕), all the family members come back home to get (49) t . They sing, dance and play cards. On New Years Day children can get red packets and theres always some money in them. When they enjoy meals, they give each (50) o the best wishes for