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

英语人教版八年级下册 The Wonders of Nature Section A 3a-3d Unit 4 Learning objectives 通过本节课的学习,学生能够: 1. 理解关于谈论著名河流的对话,并获取有关河 流的关键信息。 2. 在语境中运用比较级和最高级以及具体数据来 对比事物。 3. 模仿对话的语音语调,就中国的地理特征进行 角色扮演,并合作创编新的口头交流对话。 4. 认识到河流对人类文明发展的孕育作用,树立保 护自然奇观的环保意识。 重点 重点 Watch and answer Watch the video and answer the questions. What is the name of the river mentioned in the video? It’s the Yellow River. Is it the longest river in China? No, it isn’t. The longest river is the Yangtze River. Look and answer Look at the pictures and answer the question. What do you know about the Yellow River and the Yangtze River? Look and predict Yaming and Ella are talking about rivers. Look at the picture and answer the question. Which river do you think they are talking about? Maybe the Yellow River. Listen and answer Listen to the conversation and answer the questions. 1. Where did Ella visit on her trip? 2. What rivers did Ella and Yaming mention in the conversation? The Hukou Waterfall on the Yellow River. The Yellow River, the Yangtze River and the Nile. Read and underline Read the conversation and underline the three rivers mentioned. 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 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 long. 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 at all costs. River Country Length Importance Yellow River Nile River Read and complete What do Yaming and Ella know about these rivers? Read the conversation again and complete the table. China Egypt km helped in the development of ancient . km 5, 464 6, 671 civilizations Read and answer Read again and answer the questions. 1.What do the Yellow River and the Nile River have in common according to Ella and Yaming? 2. At the end of the conversation, Ella says: “We should protect them at all costs.” Why does she say this? They are very important in history. Both the Nile and the Yellow River helped ancient civilizations to develop. And they’re still very important today. She says this because rivers are important for civilizations, history, and daily life, and they may face dangers like pollution. Read and answer Read again and answer the questions. 3. 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. Read and complete Read again and pay attention to the function of these expressions. Then complete the table. Expression Function Welcome back, Ella! By the way That’s interesting! That’s right. 打招呼 引入新话题 承接话题、表达兴趣,从而营造积极的对话氛围 表示同意,继续拓展话题 Read and learn Read the conversation and learn some key 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 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. 1. By the way 意为“顺便提一下;附带问一句。”一般放在句首,后面加“,”。 By the way, where are you from? 对了,你来自哪里? Read and learn Read the conversation and learn some key 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 long. 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 at all costs. 2. at all costs 意为“不惜任何代价。” We should protect our earth at all costs. 我们应该不惜一切保护地球。 Listen and repeat Listen to the conversation. Then role-play it. Think and learn What do you know about other geographical features in China? Here are some famous geographical features in China. Let’s learn their names. Name Information Taklimakan Desert The largest desert in China Mount Qomolangma The highest mountain in the world Qinghai Lake The biggest inland lake and biggest saltwater lake in China Yangtze River The longest river in China Hainan Island The second largest island in China; the largest tropical island in China Poyang Lake The biggest freshwater lake in China Let’s role-play Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. Could you tell me more about China, Yaming? Sure! What would you like to know? It’s the Taklimakan Desert. Do you know...? What’s the biggest desert in China? Let’s role-play Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. Useful Expressions: Useful Expressions: That’s interesting! Tell me more. I agree with you, but ... What do you think about ...? So, you mean... Let’s talk about ... next. That reminds me of... Oh, really? Why do you think so? I see. How about ...? Sure, go ahead. What would you do if ...? Discuss and share Why do we need to protect these natural wonders at all costs? Discuss these questions in groups. We must protect natural wonders because they provide essential resources, are home to diverse life, keep our planet healthy, and preserve beauty for future generations. Discuss and share What can we do in our daily lives? Discuss these questions in groups. In our daily lives, we can help by reducing waste, saving energy and water, not littering, and encouraging others to care for the environment. Summarize After learning this lesson, I can memorize the new words. Yangtze River, waterfall, civilization, at all costs, development, Egypt, Taklimakan Desert understand and apply knowledge about environmental protection. Know why it’s important. Keep good habits. 1. Read the conversation in 3a fluently and try to recite the key sentences. 2. Try using the phrases and sentences from the text to write a short introduction (5-8 sentences) about a natural wonder in your hometown or a place you have visited. Homework Lavf58.46.101 null 81894.055 null 81894.055 $