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

Section A (3a-3d) The Wonders of Three Rivers Unit 4 The Wonders of Nature What is amazing about nature? Wonder mother Wonder mother Wondermother Pre-listening Look and say 新疆维吾尔自治区 西藏自治区 甘 内 蒙 古 自 治 区 青海 四川 云南 贵州 广西壮族自治区 湖南 江西 广东 福建 浙江 江 苏 湖北 河南 辽宁 山东 肃 陕西 重庆 台 湾 海南 宁夏 回族 自治区 河北 北京 天津 黑龙江 吉林 安 徽 山西 Wow!It’s the Hukou on the Yellow River. Waterfall Pre-listening Lead-in Wonder mother Wonder mother Wondermother What are they talking about? Ella Yaming Prediction Wonder mother Wonder mother Wondermother Watch the video and find out three rivers they mentioned. Wonder mother Wonder mother Wondermother While-listening 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. Wonder mother Wonder mother Wondermother While-listening Listen and answer 1.Which river is the longest one in the world? A. The Yellow River. B. The Yangtze River. C. The Nile. 2.According to the dialogue(对话), which is the correct order of the rivers from the shortest to the longest? A. The Yellow River The Yangtze River The Nile B. The Nile The Yangtze River The Yellow River C. The Yangtze River The Yellow River The Nile 3.Why is the Yellow River called the "mother river" in China? A. Because it is the longest river in China. B. Because it helped ancient civilizations to develop. C. Because it carries brown and yellow earth. Wonder mother Wonder mother Wondermother Post-listening Listen and repeat Tip:Pay attention to the tone,intonation,stress and pronunciation. 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. 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. Wonder mother Wonder mother Wondermother Post-listening Listen and follow Tip:Pay attention to the tone,intonation,stress and pronunciation. 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. 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. Wonder mother Wonder mother Wondermother Read in roles Boys read Yaming’s lines. Girls read Ella’s lines. 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. Wonder mother Wonder mother Wondermother Post-listening Work on 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 5,464 6,671 civilizations Wonder mother Wonder mother Wondermother Thinking Why did rivers help ancient civilizations to develop? Wonder mother Wonder mother Wondermother The rivers gave people water and rich land for growing food.They also made trade (贸易) and travel easier. So ancient civilizations could develop well. Agriculture Society Civilization Wonder mother Wonder mother Wondermother Collect the rubbish Limit(限制) water pollution Educate others to care Avoid littering(不乱扔垃圾) Never hurt river life What can we do to protect our rivers? Keep rivers clean to build a more beautiful China.(守护碧水清流,共建美丽中国 ) Wonder mother Wonder mother Wondermother Show Time You should: 1. speak clearly and loudly with emotion 2. pronounce correctly 3. use proper intonation(语调) 4. use body gestures (肢体动作) Role-play the conversation. Work in Pairs Wonder mother Wonder mother Wondermother Post-listening Retell River Country Length Length Rank(排名) Importance Yangtze River China 6300 km 1st in China Yellow River China 5,464 km 2nd in China helped in the development of ancient civilizations Nile River Egypt 6,671 km 1st in the world You may begin like this: Let me introduce three famous rivers to you. The Yellow River is the second longest river in China. It is 5,464 kilometres long. People can see the wonderful Hukou Waterfall on it. ..... Wonder mother Wonder mother Wondermother Speak aloud! Be confident! Sharing! 16 3c Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. 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 ...? Taklimakan Desert Mount Qomolangma Poyang Lake Qinghai Lake the Great Wall Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother An example Ella: Could you tell me more about China, Yaming? Yaming: Sure! What would you like to know? Ella: What's the largest desert in China? Yaming: It's the Taklimakan Desert. Ella: Do you know how big it is? Yaming: Yes, it has a total area of about 330,000 square kilometres. Ella:Is it dangerous? Yaming: Yes, it’s known as the “Sea of Death.” But it’s also beautiful in its own way. Wonder mother Wonder mother Wondermother Taklimakan Desert Mount Qomolangma Poyang Lake Qinghai Lake the Great Wall the largest desert in China known as the "Sea of Death" about 330,000 square kilometres in size. the highest mountain in the world stands on the China-Nepal border 8848.43 metres high. the longest wall in the world built over 2,000 years ago one of the Seven Wonders of the World the largest saltwater lake in China looks like a blue mirror an important home for birds the largest freshwater lake in China an important wetland for migratory birds changes size with the seasons Wonder mother Wonder mother Wondermother Show Time Self & Peer Evaluation Have good pronunciation and intonation Show the place and related information Speak loudly and clearly Use expressive body language star ratings(星级评分)Fantastic: 17-20 stars Great:13-16stars Good: 9-12 stars OK:1-8 stars. Wonder mother Wonder mother Wondermother Homework Must do Make a fact card about the Yellow River or the Nile River and practice introducing it to your partner. Try to do Draw a picture of a river you know and write three sentences about its features and how to protect it. Wonder mother Wonder mother Wondermother Wonder mother Wonder mother Wondermother 22 null 2020 Blues 7968.0 Lavf58.46.101 91011.68 $