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

这是一份初中英语同步教学课件，围绕“Unit 4 The Wonders of Nature”Section A 3a-3d展开，通过复习旧知（如世界最高山、最长河）、听力选择、阅读填空、对话分析等活动，搭建从已知到新知的学习支架，引导学生掌握河流相关词汇、句型及自然奇观介绍方法。 资料特色显著，融合核心素养，通过音频听力、视频观察（如黄河现状）、角色扮演等多元活动提升语言能力，对比尼罗河与黄河凸显文化意识，设计保护措施讨论培养思维品质，作业中思维导图和网络探究任务发展学习能力。能帮助学生提升语言运用和跨文化理解，为教师提供丰富教学资源。初中学生处于语言基础积累和综合运用能力发展阶段，该资料通过情境化、互动性活动，助力学生在真实语境中提升语言技能，同时培养环保意识和家国情怀，符合初中生认知特点和学习需求。

Unit 4 The Wonders of Nature Section A 3a-3d Learning Objectives To acquire, read and recognize vocabulary related to river characteristics by listening, speaking, reading and other activities, and understand the usage of words about natural wonders. To obtain key information about the length and importance of rivers from the text, and summarize and internalize common expressions for asking about and introducing natural wonders by listening comprehension and dialogue analysis . To understand the value and significance of natural wonders and their protection, take the initiative to share inquiry questions about natural wonders, and identify with the concept of protecting nature by discussion and role-play. Hello, everyone! Today I’ll continue to introduce some of China’s most famous views. First, let’s review the "world's greatest" we talked about yesterday. Revision What’s the highest mountain in the world? Mount Qomolangma. How high is it ? It’s about 8848.86 metres high. Revision What’s the biggest desert in the world? Sahara Desert. How big is it ? It’s about 9060000 square kilometres in size. Revision What’s the lowest place on earth? Dead Sea. How low is it ? It’s about 416 metres below sea level. Revision What’s the deepest point in the ocean? Mariana Trench. How deep is it ? It’s about 11,000 metres high. Revision What’s the longest river in the world? Nile River. How long is it ? It’s about is about 6,650 kilometers long. Do you know what the longest river in China is? And Which river in China is as important as the Nile? Listen and Choose Listen to the conversation and choose the right answer. 1. What is the longest river in China? A. The Yellow River. B. The Yangtze River(长江). C. The Pearl River(珠江) 2. Which river in China is as important as the Nile? A. The Yangtze River(长江). B. The Pearl River(珠江). C. The Yellow River. Read and Complete What do Yaming and Ella know about these rivers? Read the conversation and complete the table. 3b River Country Length Importance Yellow River Nile River Egypt _China_ 5, 464 km 6, 671km helped in the development of ancient civilizations helped in the development of ancient civilizations Read and Answer Read the conversation and answer the questions. 1. What waterfall did Ella visit during her trip? She visited the Hukou Waterfall on the Yellow River. The Yellow River. The Yangtze River is about 836 kilometers longer than the Yellow River. 2. What is the second longest river in China? 3. How many kilometres longer is the Yangtze River than the Yellow River? 4. What other name do people call the Yellow River in China, and why? People call it “mother river” in China, because it is very important to Chinese history and culture. 第二长河 Watch and Say What’s the Yellow River like now? Think and Talk 1. What should we do? We should protect the Yellow River by all means. 2. How to protect the Yellow River? Save water and never waste it. Do not litter or dump waste into the river. Stop factories from polluting the river water. Plant more trees to keep the soil from being washed away. Tell more people to care for and protect the Yellow River. Listen to the conversation. Then role-play it. Listen and Role-play 3c Yaming: Welcome back,Ella! How was your trip? Ella: It was great! We saw the HukouWaterfall on the Yellow River. Is that the longest river in China? Yaming: No, the Yangtze River is the longes triver in China. It travels the farthest and is about 6,300 kilometres long. The Yellow River is 5,464 kilometres long and is the second longest. By the way, do you know why it’s called the Yellow River? Ella: Because it's yellow? Yaming: Right. Some parts of the river carry brown and yellow earth. Ella: That's interesting! I like learning about rivers. My favourite is the Nile. Did you know it's the longest river in the world? Yaming: Yes, it's 6,671 kilometres 1ong. It's very important in Egypt's history. Ella: That's right. Both the Nile and the Yellow River helped ancient civilizations to develop. And they're still very important today. Yaming: Yes. In China. we even call the Yellow River our“mother river"! Ella: We should protect them by all means. 3d Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. Discuss and Talk The largest grassland The largest desert The longest wall Hulunbuir Grassland (呼伦贝尔大草原) Ella: Could you tell me more about China, Yaming? Yaming: Sure! What would you like to know? Ella: What’s the biggest desert in China? Yaming: It’s the Taklimakan Desert. Ella: Do you know...? Taklamakan Desert (塔克拉玛干沙漠) The Great Wall (长城) Read and Learn Language Points Yaming: Welcome back,Ella! How was your trip? Ella: It was great! We saw the Hukou Waterfall on the Yellow River. Is that the longest river in China? Yaming: No, the Yangtze River is the longest river in China. It travels the farthest and is about 6,300 kilometres Iong. The Yellow River is 5,464 kilometres long and is the second longest. By the way, do you know why it’s called the Yellow River? Ella: Becauseit'syellow? Yaming: Right. Some parts of the river carry brown and yellow earth. / w t f l/ 瀑布 它流经的距离最远,大约有 6300千米长。 顺便问/说一下 你知道它为什么被称为黄河吗? 宾语从句由why引导,宾语从句用 “主语+谓语”的陈述语序。 泥土 Read and Learn Language Points Ella: That's interesting! I like learning about rivers. My favourite is the Nile. Did you know it's the longest river in the world? Yaming: Yes, it's 6,671 kilometres 1ong. It's very important in Egypt's history. Ella: That's right. Both the Nile and the Yellow River helped ancient civilizations to develop. And they're still very important today. Yaming: Yes. In China. we even call the Yellow River our “mother river”! Ella: We should protect them by all means. / s v la ze nz/ 文明 ......和......(两者都......) Summary 1.壶口瀑布_ 2.黄河_ 3.长江_ 4.顺便问一下_ 5.第二长的_ 6.两者都_ 7......的发展_ 8.古代文明_ 9.通过各种办法_ 10.流程最远_ 11.你的旅行怎么样?_ 12. 长江是中国最长的河流。_ 13.尼罗河和黄河都助力了古代文明的发展。_ the Hukou Waterfall the Yellow River the Yangze River by the way the second longest both...and... the development of ancient civilization by all means travel the farthest How was your trip? The Yangtze River is the longest river in China. Both the Nile and the Yellow River helped ancient civilizations to develop. Teacher’s Words Don’t let your _ control you. Try to calm down. To protect great rivers is to guard our history and future. Basic(必做) 绘制思维导图总结本堂课的重点单词、短语和句型。 Improving(选做) 参照3a的听力原文编写谈论中国著名自然景观的对话。 Extend(必做) 利用网络资源搜寻我国最具特色的自然景观并在班级分享。 Homework Thank you! null 77191.555 $