Unit 5 Amazing nature Presenting ideas课件 2025-2026学年外研版七年级英语下册

该初中英语课件围绕“Amazing nature”主题，核心知识点包括自然奇观的描述、保护措施及形容词比较级和最高级的运用。课堂通过“世界最美地方在哪、自然神奇之处、如何保护”等问题导入，引导学生小组合作搜索信息并投票选主题，再借助“位置、特色、问题、保护”提纲及句型提示（如“It’s famous for...”）搭建学习支架，逐步完成海报制作。 其亮点在于以任务驱动融合语言能力与思维品质，学生用比较级最高级描述自然奇观（如黄山“one of the most beautiful mountains”），分析保护问题（如游客垃圾影响），提升逻辑与批判思维。小组合作与展示投票增强学习能力，反思环节自评语言运用，教师可通过清晰步骤和评价标准高效教学，助力学生综合素养提升。

Unit 5 Amazing nature Presenting ideas 教学目标 思维品质 学习能力 文化意识 学生能够用本单元的核心词汇和句型，本课时话题进行探讨，能够围绕自然奇观进行介绍。 通过教学活动的开展，锻炼学生的口语表达能力，能就话题完成开放性的对话，提高在真实语境中的交际能力。 通过活动的展开，学生能够自主开展小组活动，合理分工协作,完成调查，合作完成海报制作。 通过本节课的学习，让学生能够与同学积极合作；引导学生热爱与敬畏自然，欣赏大自然的奇妙之处，关注自然生态问题。 语言能力 √ √ √ √ Presenting ideas Make a poster about a natural wonder The world is full of wonders. In this unit, we explored some of the natural wonders in the world. Where are some of the most beautiful places? What is amazing about nature? What should we do to protect it? Today, we will make a poster about a natural wonder. Work in groups. Search for information about natural wonders. Take a group vote to decide on the natural wonder for your poster • Where is the natural wonder? • What is special about it? • What problems does it face? • What should we do to protect it? Make a poster about a natural wonder Step 1 A natural wonder Where is the natural wonder? —It’s in… Organise your ideas with the help of the following outline and make your poster. You may use the following language tips or find useful expressions or sentences from this unit. Make a poster about a natural wonder Step 2 A picture of the natural wonder What is special about it? —The... here is amazing. —It's one of the most... places in the world. —It gives you a(n)... feeling. —It's famous/ well-known for... —It's... metres long / high. —It's much higher / more beautiful than. —It's the highest / most beautiful... in... —It's a land full of... Make a poster about a natural wonder Step 2 What problems does it face? —People are taking... / cutting down... from —...is becoming more/ less... year by year. —...will... within the next... years. What should we do to protect it? —Please stop... —Take/ Cut down less... Make a poster about a natural wonder Step 2 Practise and present your poster to the class. Vote on the best three poster and the best three presentations. Make a poster about a natural wonder Step 3 Step 4 例：Huangshan is a great natural wonder in Anhui, China. It is famous for its strange rocks, pine trees and the sea of clouds. It is one of the most beautiful mountains in China. Many people come here every year to enjoy its amazing views. Standing on the top of the mountain, you can get a wonderful feeling of being above the clouds. But Huangshan is facing some problems. More and more tourists come here every year, and some people leave rubbish on the mountain. Also, too many visitors can hurt the plants and animals living there. If we don’t take care of it, the beauty of Huangshan will slowly disappear. What should we do to protect it? Please stop leaving rubbish on the mountain. We should also cut down less on the trees and use eco-friendly products. Everyone can help keep Huangshan clean and beautiful for the future. Reflection After completing this unit, I understand more about what fun means to us. What does fun mean to us? Nature is beautiful. Nature is full of _____________. Nature needs our ____________. amazing life protection To express my understanding, I can… I still need to improve: ☐use words and expressions in the unit to talk about natural wonders: _____ □use comparatives and superlatives to describe natural places. □explain the importance of the natural world. _________________________________________________________ Grammer 形容词的比较级和最高级的构成规则 ▶比较级：两者比较，表示“更……”。 ▶最高级：三者及以上比较，表示“最……”。 英语中，表示比较时,将形容词或副词变成比较级的形式,然后在后面用than引出所比较的对象。 例：My room is cleaner than yours.（我的房间比你的干净。） This is the biggest park in our city.（这是我们城市最大的公园。） Review 规则变化： •一般单音节词和部分双音节词在词尾加-er或-est 例：tall（高的）→ taller → tallest long（长的）→ longer → longest clean（干净的）→ cleaner → cleanest •以不发音的e结尾，只在词尾加-r或-st 例：nice（好的） → nicer → nicest large（大的） → larger → largest fine（好的） → finer → finest Review 规则变化： •辅音字母 + y 结尾，变 y 为 i，再加 -er /-est 例：happy （开心的; 快乐的）→ happier → happiest easy （容易的）→ easier → easiest heavy （重的）→ heavier → heaviest •重读闭音节（辅 + 元 + 辅），双写末尾辅音字母，再加 -er/-est 例：big （大的）→ bigger → biggest hot （热的）→ hotter → hottest thin （瘦的）→ thinner → thinnest Review 规则变化： •多音节词 / 部分双音节词前面加 more /most 例：beautiful （美丽的）→ more beautiful → most beautiful interesting （有趣的）→ more interesting → most interesting difficult （困难的）→ more difficult → most difficult Review 不规则变化： 有些副词的比较级和最高级形式是不规则的（需单独记忆） 例：good/well （好的）→ better → best bad/badly （坏的）→ worse → worst many/much （多的）→ more → most little （小的；少的）→ less → least far （远的）→ farther → farthest old （年长的；旧的）→ older → oldest Review Exercise 根据括号内容填空 1. I’m ______________ (salty) than any sea, so people can lie on my surface. 2. My sister wants to be a ________________ (science) when she grows up. 3. My English teacher gave me some ________________ (suggest) about how to learn English well. 4. I saw a white cat here, but it _________________ (appear) soon. Now I can’t find it. saltier scientist suggestions disappeared 根据中文句意补全句子 1. 我们应该从小事做起保护自然奇观。 We should start with small things ___________________ natural wonders. 2. 珠穆朗玛峰是世界上最高的山峰。 Qomolangma is _________________ mountain in the world. 3. 这个自然奇观以其独特的形状而闻名。 This natural wonder __________________ its unique shape. to protect the highest is famous for Homework Homework 1. Review the keywords and sentence structures in today’s lesson. 2. Preview the next lesson. $