Unit4 Section A (3a-3d)课件2025-2026学年人教版英语八年级下册

Section A (3a-3d) Made by Qianmo-studio The Wonders of Nature Unit 4 1 1. To identify key geographical facts about the Yellow River, Yangtze River and Nile. 2. To make up new conversations to talk about Chinese geographical features using the target language. Learning objectives What's the highest mountain in the world? Qomolangma. How high is it ? It's 8,848.86 meters high. Review Where's the deepest point in the ocean? The Mariana Trench. How deep is it? It's about 11,000 metres deep. Review What's the longest river in the world? The Nile River. How long is it ? It's 6,671 kilometers in length. It's 6,671 kilometers long. Review What's the biggest desert in the world? The Sahara Desert. How big is it ? It's about 9,000,000 square kilometers in size Review What is the name of the river mentioned in the video? It’s the Yellow River. Is it the longest river in China? No, the longest river is the Yangtze River. /ˈjæŋtsi ˈrɪvə(r)/ 长江 Pre-reading Read the conversation and underline the three rivers mentioned. the Yellow River the Yangtze River the Nile 3a Why are rivers important? They helped ancient civilizations to develop /ˌsɪvəlaɪˈzeɪʃn/n. 文明 促进古代文明发展 While-reading River Country Length Importance Yellow River     Nile River China  Egypt What do Yaming and Ella know about these rivers? Read the conversation again and complete the table. _______km helped in the development of ancient ___________ _______km 5, 464  6, 671 civilizations 3b While-reading 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 kilometers 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 favorite is the Nile. Did you know it’s the longest river in the world? Yaming: Yes, it’s 6,671 kilometers 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. Listen to the conversation. Then role-play it. 3c 不惜任何代价 顺便问下 Post-reading Ella had a great trip and visited the Hukou Waterfall on the Yellow River. She wondered if it was the longest river in China. Yaming told her the Yangtze River holds this title—it is about 6,300 kilometres long and travels the 1. __________ distance. The Yellow River, 5,464 kilometres long, is the 2. ___________ longest. It got its name because some parts carry brown and yellow 3. ________. Ella loves learning about rivers, and her favourite is the 4. ________. As the longest river in the world, it is 6,671 kilometres long and plays an important role in Egypt's 5. _________. Both the Nile and the Yellow River helped ancient 6. ____________ develop and remain important today. In China, people call the Yellow River the "7. __________ river". Finally, Ella and Yaming agree that we should protect these great rivers 8. _________ all costs, for they are not only natural wonders but also symbols of human 9. _____________ and culture. It's our shared 10. ___________ to protect them. farthest second earth Nile history civilizations mother at civilization responsibility Post-reading Imagine that you are Yaming or Ella.Continue the conversation with a partner about other geographical features in China. 3d 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...? Post-reading 12 by the way 顺便提一下；附带问一句 learn about 了解 ancient civilizations 古代文明 mother river 母亲河 at all costs 不惜任何代价 the development of ……的发展 Summary 13 13 1. 黄河 ____________________ 2. 长江 ____________________ 3. 壶口瀑布 ____________________ 4. 世界上最长的河流 ____________________ 5. 古代文明 ____________________ 6. 母亲河 ____________________ 7. 不惜一切代价 ____________________ 8. 顺便问一下 ____________________ 9. 第二长的河流 ____________________ 10. 流经距离最远 ____________________   travel the farthest the Yangtze River the Hukou Waterfall the longest river in the world ancient civilizations mother river at all costs by the way the second longest river the Yellow River Exercises 1. The scientists will ______ (潜水) into the deep sea to study the unusual creatures. 2. We still don't know the exact ______ (深度) of some parts of the ocean. 3. The Yellow River is very important to Chinese ___________ (文明). 4. The Taklimakan is the largest ______ (沙漠) in China. 5. The ________ (deep) part of the ocean is about 11,000 metres. 6. The ____________ (develop) of ancient Egypt depended on the Nile River. 7. Some deep-sea animals look _________ (usual) and even scary. 8. We should protect our “mother river” by all ______ (mean). 9. The _______ (bottom) of the sea is dark and quiet. 10. Of all the students in our class, Lucy lives the _______(far)from school. dive depth civilization deepest desert development unusual means bottom farthest 一、用括号中所给词的适当形式填空 Exercises 1. ______ the Great Barrier Reef and the Amazon Rainforest are world-famous natural wonders. A. Either B. Neither C. Both D. All 2. The wind ______ pollen from the garden to the nearby fields every spring. A. takes B. carries C. brings D. gets 3. We must keep the old cultural relics safe ______. A. at all cost B. at all costs C. in all cost D. in all costs 4. The Pacific Ocean is ______ ocean on Earth. A. deeper B. deepest C. the deeper D. the deepest 5. Among all the students, Lisa finished her report ______. A. earliest B. the earliest C. earlier D. the earlier 二、单项选择 C B B D B Exercises 1. Review the new words and expressions in Section A. 2. Try to write as many sentences as you can to describe a natural wonder. (10 sentences at least) Homework Homework 17 null 80013.055 $