4BUnit4.doc

牛津小学英语 4B Unit 4 Buying fruit第一课时公开课教案一 教学内容B. Look, read and learn C. Ask and answer D. Look and say 二 教学目标1、能听得懂、会说、会读和会拼写单词apples, oranges, bananas, peaches , grapes , pineapple , watermelon , pears.2能听得懂、会说、会读和会写句型What are these/ those? Theyre How many kilos? kilos, please.3能听得懂、会说和会读日常交际用语Can I help you? Id like some三 教学重点和难点1.能听得懂、会说、会读和会拼写单词apples, oranges, bananas, peaches , grapes , pineapples , watermelons , pears.2. 能听得懂、会说、会读和会写句型What are these/ those? TheyreHow many kilos? kilos, please.四 课前准备课件，录音机，磁带，水果五 教学过程Step 1.Warming-up and lead-in1. Greetings2. Sing a songSweet apple3、Review and Warm-up(1)T：Hello, ! How old are you? (3人) S: Im eleven. T: What do you want to be? S: I want to be a .(2)T: Youve done a good job! Heres an apple for you.Do you like apples？S1: Yes， I do. (多问几个学生，激起学生的学习兴趣，创造良好的课堂氛围。) T：Do you like apples?S2: Yes , I do.T : Heres an apple for you.S2: Thank you.T: Not at all.4、Present the title.(1) If we walked for a long way , you feel hot and thirsty , what do you want to buy?(课件出示buy买)S: I want to buy.T : Me too . I want to buy some fruit , too.(课件出示：fruit 、后出示课题：Buying fruit)(3) Read the title. Buying fruitT : Lets go to the fruit shop to see which fruit we can buy , ok?Step2、Part B Look ,read and learn1、 presentation T：Whats this ? Ss: Its an apple. （多媒体呈现“一个苹果an apple ”） 师领读，注意字母“a”的发音：pl。让生拼读。 T : What are these? Ss: Theyre apples.( 黑板上呈现句型，屏幕“apples”) 领读apples；领读黑板上的句型；教单词“these”。（多媒体出示：a pineapple图文） T : Whats this ?Can you read it? Ss:. T : How to remember this word? Read“ pineapple ”（轮读，齐读）T: Who can spell this word? (撤出单词，看图拼出单词)（多媒体出示： pineapples图） T：This is a pineapple. These are .S : pineapples.(呈现pineapples文)T：Whats this? Ss: Its a pineapple.T：What are these? Ss : They are pineapples.（呈现“一个橘子”图）T: Whats that? Ss : Its an orange.T：Spell.(个别提问) Ss :.（呈现orange文及音标：:rind） (呈现“一些橘子”图)T: What are those? Ss: They are oranges.（屏幕呈现oranges）(呈现黑板上的板书、读句型，教授单词those)（呈现“一根香蕉”）T：Whats that?Ss: Its a banana.（呈现音标：bn:n，(呈现“一些香蕉”图片) T：What are those? Ss：Theyre bananas.（注意“s”的发音z）（呈现pear 图文）T：Is it a banana? Ss: No. Its a pear.(呈现pears图) T：What are these? Ss: Theyre Pears.（呈现文并注意ea的发音p）（呈现peaches图）T：Are they pears? Ss : No, they arent. T：What are these? Ss: Theyre peaches. （拼读并注意ea的发音pi:t）T：Oh , Im hot and thirsty. I want to drink a glass of juice.T: Great ! Would you like to drink? S: Yes!(drink)T: Is it orange juice? S: No.T: Is it apple juice? S: No.T: Its . S: Grape juice.（呈现Grape图文）. S:Grape. (注意s的发音s)师领读，拼读并注意a 的发音greip（呈现grapes 图文）T：W hat are those? Ss: They are grapes.T：W hat are those? Ss: Theyre watermelons. (师领读，轮读，注意a 的发音w:t,meln ) 2 .listen and read apple apples orange oranges z i izbanana bananas peach peaches : z i: izgrape grapes pineapple pineapples ei s zwatermelon watermelons pear pears : z z 列出pear 和 peach ，比较 ea 的不同发音，并列举出同样发音的单词：pear pair ; peach eat ear tea eat i:判断下列单词中划线部分发音是否相同:apple grape （ ） peach pear （ ）watermelon peach （ ） orange pineapple ( )3、总结单复数变化规则:(1)一般情况下，后直接加-s，如：pears, watermelons;(2)以s. x. sh. ch 结尾，加-es，如：bus-buses, peaches;(3)以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families; (4)以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives;(5) 以o结尾的，一般情况下加s，如：photo-photos，zoo-zoos有三个加“es” -“hero”、“tomato”、“potato”;(“英雄爱吃番茄和土豆”！那三样东西是英雄喜欢的，要特殊对待，加es,其他的通通只加s.)(6)不规则名词复数：man-men,woman-women, policeman-policemen, policewoman-policewomen, Chinese-Chinese, Japanese-Japanese写出下列各词的复数 watch _hero_ photo _diary _ _this _waiter_ day_ book_ dress _that_box_ strawberry _knife_ waitress_peach_ mango_ man_ woman_4、复数词尾是-s或-es的读法可表示如下：情况读法例词在ptkf等清辅音后scakes , caps在tsdr后izpeaches, oranges在其他情况下zapples, pears读出下列各词的复数 Watches heroes photos diaries waiters mangos peaches days books dresses boxes strawberries knives waitresses Step3. Presentat Part C and practice1、T：OK. Boys and girls, There are many fruit in our classroom. Can you find? What can you see in our classroom?S: I can see some apples/pears/. 用刚才的句型进行问答：What are these/those？Theyre 2. Do exercise ( Part C)3、Touch and guessS1: What are these? S2: Are they peaches? / oranges?S1: Yes. / No.Step4. Part D Look and say1、T: Do you like grapes?S: Yes. / No.T: I like grapes very much.Lets go to the supermarket to buy some grapes. OK?S: Lets go!2、（呈现supermarket背景，自己做了一个售货员的手套)A: Can I help you? T: Id like some oranges. A: How many? T: Five. A: Here you are.(出示句子Id like some)练习：练习与测试P24 F3、T: Now ,Im an assistant. You can buy fruit from my shop. 事先安排好一位同学与之问答：T: Can I help you？S: Id like some apples. T: How many do you want? S: Four. T：OK. Lets weigh how many kilos? （出示电子称教授kilo，how many kilos？）4、PPT呈现Part D Picture1 ,播放录音。A: Can I help you? B: Id like some peaches,please.A: How many kilos? B: Three kilos , please. A: Here you are. (师生互答，生生练说) 呈现其余三幅图，让生自己用句型练说。5. Put the sentences in the right orders. A: Two kilos , please. E: What are these? B: Id like some mangoes. F: Here you are. Ten yuan, please. C: Are they peaches,too. G: They are peaches. D: How many kilos? H: No, they arent. Theyre mangoes.Step4: ConsalidationT: Today we learned many words about fruit ,we all know fruit is good for our heath ,so I want to give