Unit 4 The Wonders of Nature Section A 3a-3d课件 2025-2026学年人教版英语八年级下册

该初中英语课件围绕“自然奇迹之河流”展开，核心知识点包括黄河、长江、尼罗河的名称、长度及重要性，通过“猜河流quiz”互动导入，结合对话阅读提取信息、填写表格构建学习支架，衔接形容词最高级与数字表达等语法点，逐步拓展至中国地理特征学习。 其亮点在于融合语言能力、文化意识与思维品质培养，如通过对话阅读训练信息提取与表达能力，对比黄河“母亲河”与尼罗河文明意义增强家国情怀与人类命运共同体意识，讨论河流保护提升分析评价思维。采用任务型教学与视频辅助，学生提升语言运用与跨文化理解，教师可依托丰富活动资源高效开展教学。

UNIT 4 The Wonders of Nature Section A 3a-3d Vocabulary & Grammar: Use key geography words (e.g., river, ancient civilizations) and superlatives (longest, farthest) to describe natural features. 01 Reading: Extract key facts (length, importance) about the Yellow River, Yangtze River, and Nile River from a conversation. Speaking: Role-play the dialogue and extend it to ask/answer about other Chinese geographical features (e.g., deserts, mountains). 02 Learning Objectives Culture: Understand the Yellow River as China’s “mother river” and the need to protect natural resources. 03 How much do you know about rivers? Let’s have a quiz! Guess the river! I am called the “Mother River” of China. My water is yellow. Who am I? I am the longest river in China. I flow through many big cities. Who am I? I am the longest river in Africa. I helped build the pyramids. Who am I? (Yellow River) (Yangtze River) (Nile River) What do you think rivers give us? Why do we need to learn about them? Discuss and share your ideas. Rivers are the Lifelines of Civilizations. How much do you know about these three great rivers? Which rivers are in China? Which is in Africa? (Yellow River) (Yangtze River) (Nile River) River Name Length Key Facts / Importance (with hints) Yellow River Known as China’s “______ river”; carries brown and yellow ______; the ______ longest in China. Yangtze River The ______ river in China; travels the _______ Nile River The longest river in ______; very important in ______’s history; helped develop________________ Can you fill in the River Information Worksheet ? Let’s check your answers after finishing today’s reading task. 1. What is the conversation mainly about? Great rivers 2.How many rivers are mentioned in the conversation? What are they? Three. They are the Yellow River, the Yangtze River, and the Nile River. 3.Does Ella know much about Chinese rivers at the beginning? How do you know? No, she doesn't. She thought the Yellow River might be the longest. 3a Read the conversation and underline the three rivers mentioned. Skim reading 1. What are the lengths of the three rivers? Fill in the table. River Name Length (km) Yangtze River ________ Yellow River ________ Nile River ________ about 6,300 km 5,464 6,671 Detail reading 2.Why is the Yellow River called the "Yellow River"? Find the exact sentence in the conversation. Detail reading 3.What do the Yellow River and the Nile River have in common according to Ella and Yaming? 4.At the end of the conversation, Ella says: "We should protect them at all costs." Why does she say this? She says this because rivers are important for civilizations, history, and daily life, and they may face danger like pollution. Further thinking Yaming says the Yellow River is called the "mother river" of China. Why do you think people call a river "mother"? What does this tell us about the relationship between people and rivers? A river is called "mother" because it gives life to the people along it, just like a mother gives life to her children. It tells us that rivers are not just water – they are part of our identity and history. 3b What do Yaming and Ella know about these rivers? Read the conversation again and complete the table. River Country Length Importance Yellow River _______ ____________ km helped in the development of ancient __________ Nile River _______ ____________km China Egypt about 6,300 6,671 civilizations Pay attention to the expressions. 最长的河流 流经的距离最远 ……公里长 第二长 “the+序数词+最高级”表示“第……最……的” ……和……都 古代文明 call sb./sth. ... 把某人/物叫做…… 顺便说一下 了解/学习…… 不惜任何代价 River Name Key Facts / Importance (with hints) Yellow River Known as China’s “______ river”; carries brown and yellow ______; the ______ longest in China. Yangtze River The ______ river in China; travels the _______ Nile River The longest river in ___________; very important in ______’s history; helped develop___________________ 3c Complete the following chart. Then role-play it. mother earth second longest farthest the world Egypt ancient civilizations "Ella wants to learn more about China. What other geographical features can she ask about? Let's think together." Picture English "Superlative" in simple English 🏜️ Taklimakan Desert The largest desert in China 🏔️ Mount Qomolangma The highest mountain in the world / in China 🌊 Qinghai Lake The biggest inland lake and biggest saltwater lake in China 🌊 Yangtze River The longest river in China / in Asia 🏝️ Hainan Island The second largest island in China; the largest tropical island in China ⛰️ Huangshan Mountain One of China’s most famous and beautiful mountains 🌊 Poyang Lake The biggest freshwater lake in China 🏜️ Gobi Desert One of the largest deserts in Asia "Here are some famous geographical features in China. Let's learn their names." 3d Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. Sure! What would you like to know? Could you tell me more about China, Yaming? What's the biggest desert in China? It's the Taklimakan Desert. Do you know ...? Useful Expressions： Asking about "the best / biggest / longest" What’s the biggest desert in China? Which is the longest river in Asia? Do you know the highest mountain in the world? Where is the largest freshwater lake in China? What’s special about Hainan Island? Answering with superlatives It’s the largest desert in China. It’s the longest river in Asia. It’s the highest mountain in the world. It’s the biggest inland lake in China. It’s one of the most famous mountains in China. Adding extra details • It’s in the northwest of China. • It’s on the border between China and Nepal. • It’s very dry and has amazing sand dunes. • It’s a very beautiful place with many kinds of trees and rocks. Language points 1. 数字的读法 6,300 → six thousand three hundred 5,464 → five thousand four hundred and sixty-four 6,671 → six thousand six hundred and seventy-one 三位一组划分,从右往左，每三位用逗号隔开： 6,300 → 6 thousand, 300 5,464 → 5 thousand, 464 12,345 → 12 thousand, 345 百位与十位 / 个位之间 英式英语：加 and，如 5,464 → five thousand four hundred and sixty-four 美式英语：可省略 and，如 five thousand four hundred sixty-four 3. 形容词最高级（Superlatives） the longest river（最长的河流） the second longest（第二长的） the farthest（最远的） 用法：三者及以上比较时，用 the + 形容词最高级；序数词 + 最高级表示 “第几最……”。 2. 数字与长度表达 about 6,300 kilometres long（约 6300 千米长） 5,464 kilometres long（5464 千米长） 结构：数字 + 单位 + long / wide / tall 等。 Mike lives ________ from school of all the students, and he always takes the subway to school. A．far B．farther C．the farther D．the farthest 1 Sutong Bridge over the Yangtze River is about ________ long. A．eight thousand metres B．eight-thousand-metre C．eight-thousands-metres D．eight thousands metres 2 I like all the shirts in the shop, but I only took the ________ one to save money. A．cheaper B．more expensive C．cheapest D．most expensive 3 Exercises Exercises 用单词的适当形式填空。 1. The main purpose of his holiday to Greece was to go ________ (dive). 2. Our school library is the ________ (large) one in the district, with a lot of different kinds of books. 3. The ________(deep) of the swimming pool is two metres, so you need to be careful. 4. The Dead Sea is the ________ (low) place on earth. 5. The national park covers an area of 500 ________ (square) kilometers. 6. Mount Qomolangma is still growing _______ (tall). 7. Many deep-sea animals are __________ (color) and strange. diving largest depth lowest square taller colorful It’s the Yellow River. Here’s a video to help us know more about the Yangtze River. Here’s a video to help us know more about the Nile. Rivers are our heritage， protect them! For all Write a short paragraph (40-50 words) Write about your favourite natural wonder. Include: What it is Where it is How big / high / deep it is Why you like it Why we should protect it For some 制作一张“河流保护倡议书”海报：用英语写下至少3条保护河流的建议。 Homework Lavf58.20.100 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 $