四年级下册U4第二课时教案.doc

PEP4Unit4 At the farm第一课时教案执教人：刘丹教学内容：PartA Lets learn /Lets chant教学目标：1能够听、说、认、读单词：tomato, carrot, potato, green beans2 能用形容词描述蔬菜的特点，并对蔬菜做出评价，如：Look at the green beans. Theyre so long! The potatoes are big.教学重难点：1 重点：能听、说、认、读本课时的主要单词：tomato, carrot, potato, green beans及句型Look at the green beans. Theyre so long!2难点：（1）tomato和potato的复数形式（2）tomato和potato的发音和拼写区别 教学准备：实物蔬菜，单词卡片，课件教学过程：一Warm-upT: Good morning boys and girls!Ss: Good morning Miss Liu!T: What time is it?Ss: Oh, Its 8:00. T: Its time for English class. Are you ready? Ss：Yes!二 Lead in T: On the weekend, I go to a place, where is it? Guess? (学生猜猜老师周末去哪里，揭示课题)Today we learn Unit4 At the farm. T: I want to have a farm, but I cant. So I play a game “Happy Farm” I create a beautiful farm there? Do you want to have a look? T: Lets go and have a look at Miss Lius Happy Farm! （带领学生看看自己创建的虚拟农场）Is the farm beautiful? What can you see at the farm?S: I can seeT:Look, I keep some cows, I plant some flowers, I plant some fruits, I plant some vegetables.T: Today lets talk about some vegetables.(引入新授课内容)二 PresentationWell! At the farm, there are many vegetables. And I bring four kinds of vegetables for you. Do you want to see?1教学单词tomato及复数形式tomatoesa) T: Look! They are in the box. (拿出一个盒子)Before you get it, please touch and guess! Who wants to touch and guess? 让学生摸完之后问：“Whats this？”S1： Its a tomato. T: Is he right? 1,2,3！Look! Its a tomato. Big hands for him/her. Thank you! Youre so smart. So the gift for you! 拿出图片T：Whats this? Its a tomato. 单词卡片，拼读,示范写(强调a有两个发音)But in British English we usually read tomato.给小组加上一个西红柿b) T: So whats this? Its a tomato. PPT 出示许多西红柿的图片Then Look! What are they? They are tomatoes.将es加到单词卡后面，pay attention we add-es to tomato. And it pronounces /z/ 请同学读tomatoes.2教学句型Theyre. The are.PPT呈现一些西红柿的图片，问What are they? They are tomatoes. What color are they? They are red. Here “they” means what? Yes, “they” refers to the tomatoes, so we can also say the tomatoes are red. Well，here are some adjectives. (贴在黑板上)Can you use one of the sentences” Theyre_.” or “The tomatoes are_.” to talk about the tomatoes? Discuss with your partner. And then tell me.请4-5位同学描述，相应组加贴纸。T：The tomatoes are red and round. They are very healthy. 3 教学单词potato及其复数形式potatoesa) T: Well! Lets go on touch and guess gift 2. This time，who wants to try ? 请1-2名同学摸。猜What is this？ S1：Its a potato. T：Lets see who is right? 1, 2, 3 So both of you are right. One potato for each. Here you are.拿出图片So whats this? Its a potato.贴上单词卡片potato拼读，大小声读。po-ta-to。加土豆进篮子。再带读。 (PPT呈现绕口令。) Here I have a tongue twister for you to challenge. Who can read? 请一个同学读,再同桌互相挑战。Now I want you to read according to my claps. T: Youve done a great job.（给每组加一个土豆。）c) PPT 呈现很多土豆的图片，Look! What are they? They are potatoes. Like tomatoes, we add es to potatoes. es pronounces /z/. d) Well, can you use one of the sentences to describe the potatoes? They are The potatoes are4. 教学carrot及其复数形式carrotsa) OK! Its time for gift 3. This time you cant touch. Just guess. I will give you some hints. Its red. Its thin. Rabbits like it. Whats this? 请几个同学猜，最后从抽屉拿出胡萝卜Whats this? Its a carrot.拿出单词卡片carrot标音，拼读，带读。b)拿出两根胡萝卜，How many carrots can you see? S1: I can see two carrots. T： Good！One carrot for you! 给一根胡萝卜给他。板书将s加到单词后，标音ts /ts/。Who can read the plural form? 点另外两组的同学，对了就给一个胡萝卜。c) Now every group has a carrot right? Where is it? Lets play a game: pass the carrot. I will play a piece of music, and you pass the carrot one by one and then turn back. Once the music stops, you stop passing the carrot. And if you get the carrot, stand up and say carrot loudly. Lets see which group is the fastest. Understand? Are you ready? Go! 停两次。 完成任务加胡萝卜。5. 教学green beans.a) Well boys and girls! Tomatoes, potatoes and carrots are healthy food. Which do you like? S1: I like tomatoes.S2: I likeS3: I like Can you guess what vegetables do I like? You can ask me.S1: Do you like? Well, I like green beans. I love to eat green beans.拿出单词卡green beans.带读, Look at the green beans! How are they? Are they long?S1: Yes, they are long. 6教学Lets learn Well, now please open your book to P39. Q:Who are in the picture? Where are they? Yes. They are at the farm，too. Please read after the tape.三 Consolidation &extension1.Lets chant. Whats the meaning of I will try. I dont like carrots, but I will try.And whats this? Its an onion. Can you smell? No, it will make you cry. 2.Fill in the blanks and say.(学生完成一张表格，并能通过今天所学结合表格用英文描述蔬菜。)3Gr