Unit 5 The power of plants-Developing ideas(listening and speaking)课件2025-2026学年外研版七年级英语上册

该初中英语课件围绕“植物的力量”主题，聚焦玉米用途、听数字技能及礼貌请求句型。课堂导入从学生熟悉的米饭、小麦、玉米食用方式切入，关联不同地区文化差异，通过视频博客自然过渡到玉米主题，搭建从已知到未知的学习支架。 其亮点在于以真实视频博客为语境，融合跨文化元素（如墨西哥玉米文化），通过听力填空练数字、对话练礼貌用语等任务型活动，提升学生语言能力与思维品质。拓展植物用途（玫瑰、棉花等）的小组讨论，助力学生深化理解，教师可借助结构化活动高效开展听说教学。

Unit 5 The power of plants Developing ideas (listening and speaking) After this class, we will be able to: 1. master listening skills to listen for numbers. 2. get some information about corn by listening. 3. use sentence patterns to ask for and give permission in a polite way. Learning objectives Rice Wheat Corn How do you usually eat them？ rice noodle bread Lead-in dumplings popcorn tacos ____________________ are the world's top three food plants. People around the world eat them in different ways. For example, people in ____________ eat rice, people in ___________ eat bread and people in the ___________ eat tacos. East Asia Europe Americas Rice, wheat and corn There is a vlog about corn. Let's listen to learn. 视频博客 Lead-in What is Jason? What is Jason doing? He is taking a vlog about the Sweet Corn Festival. Jason is a vlogger/ˈvlɒɡə(r)/. 视频博主 An ear of corn 一根玉米 Pre-listening Let’s listen! What‘s the vlog about? Task1:Listen to the opening of the vlog .What’s Jason talking about? a. The importance of corn in Mexico. b. Corn in different cultures. c. A famous Mexican corn dish. Before listening, circle the key words. Tip While-listening What information may Jason note down? Listen to the opening of the vlog .What’s Jason talking about? a. The importance of corn in Mexico. b. Corn in different cultures. c. A famous Mexican corn dish. Tp While-listening What information may Jason note down? Listen again and complete Jason's notes for the vlog. 2 40 9,000 cooking 600 food Learning to learn Listening for numbers When listening for numbers, pay attention to words and expressions like nearly, about, over, and more/less than. They usually come before numbers. Learning to learn （谷类植物的）穗 几乎 大约=around 超过=more than 超过/少于 While-listening Welcome to Amazing Plants. This is Jason. I’m at the Sweet Corn Festival in Mexico. Look at this ear of corn! Can you believe the size (尺寸) of it?! But it’s not the biggest. The biggest one is nearly 40 centimeters long! People started growing corn in Mexico about 9,000 years ago. Today, it’s a big part of their cooking. There are over 600 corn dishes now! Corn isn’t just food. People even use it to make toys. It’s also part of Mexican culture. Let’s go and see! Greeting Size History Cooking More than food Listen and read 种子 动物饲料 出口 What areas (领域) is corn used in? 乙醇 人类食用 Pre-listening ？ ？ ？ What are the names of each part of the corn ? What do the Mexican people use corn for? Corn chips tacos Corn silk tea dolls Mexican people make... from/with... Pre-listening tea good traditional (尤指谷类、果实和种子的) 外壳，外皮 Listen to the conversation and complete the sentences. 3 make What are the parts of an ear of corn? Corn has different uses to people. Jason: Can I try the taco? Jose: Sure. Jason: Yum! Are tacos a traditional Mexican food? Jose: they are! We make them from corn seeds. Jason: Is this beef inside? Jose: Yeah. You can put almost几乎 anything in a taco! Now try these chips. We make them with corn seeds, too. Jason: Oh, what’s that? Jose: It’s corn silk tea. Jason: Corn silk? Jose: It’s the “hair” of corn. People in many countries make tea with it. It is good for your health. Try it! Jason: It’s sweet. Jason: Oh, what are these? Silvia: they’re traditional dolls. We make them with corn husks. Jason: So colorful ! May I take a video of them? Silvia: Certainly! Jason: Corn has so many uses. This is amazing. There’s a saying in Mexico: Without corn, there is no country. Do you agree? Listen and read What are they used for? Ask for permission. Give permission. Can you find more ways to ask for permission and give permission? Listen again. Then talk about how people ask for and give permission. 14 Think and say. Why does Jason ask for permission like this? It is polite. Ask for permission: Can I try the taco? May I...? Give permission: Sure. Certainly! Post-listening 15 Rose Cotton Bamboo Flower cake Tea Perfume香水 /ˈpɜːfjuːm/ Medicine Clothes Quilt被子/kwɪlt/ Doll/Toy Furniture 家具 /ˈfɜːnɪtʃə(r)/ Food What are the uses of them? House This is a rose. We use it for (玫瑰花茶). That’s true. We can also use beautiful roses to (使我们的房子变得漂亮). What about cotton? We can use it to （制作衣服和油）. It's amazing! Could you tell me the uses of bamboo? Sure. It's （熊猫最爱的食物）. We can also use it to （建造房子）. Pair work Plants are useful to people. Thank you null 55613.79 Other 55195.85 Blues 70464.0 null 83984.055 Blues 191760.0 $