Unit 4 Section A（3a-3d）课件 2025-2026学年人教版八年级英语下册

Look and say the numbers in English. 6,300 5,464 6,671 They are the lengths of three famous rivers. Can you guess what the rivers are? six thousand and three hundred five thousand, four hundred and sixty-four six thousand, six hundred and seventy-one 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Unit 4 The wonders of nature What is amazing about nature? Section A 3a-3d 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Read the conversation and underline the three rivers mentioned. the Yellow River the Yangtze River the Nile 3a /ˈjæŋtsi ˈrɪvə(r)/ 长江 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Listen and find the main ideas of each part: Geographic facts Meaning Actions 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 What do Yaming and Ella know about these rivers? Read the conversation again and complete the table. 3b River Country Importance km helped in the development of ancient . km Length Yellow River Nile River /dɪˈveləpmənt/ n. 发展；壮大 /ˌsɪvəlaɪˈzeɪʃn/ (= civilisation) n. 文明 1. Why does the Yellow River get its name? 2.Why do we call the Yellow River our “mother river”? 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Look and share 1.Can you name some of the longest rivers in the world? 2. Do you think they are important? Why? 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Look and share 1.Can you name some of the longest rivers in the world? 2. Do you think they are important? Why? The Nile River，the Amazon River, the Yellow River, the Mississippi River... Yes, I think they are very important. They provide water for people and animals They help with farming and growing food. They are also used for transportation and business. They helped ancient civilizations to develop. /ˌsɪvəlaɪˈzeɪʃn/ /ðə ˌmɪsɪˈsɪpi /密西西比河 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 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? 最长的河流 流程最远 第二长河 Let’s learn 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 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. 携带 地球；这里指泥土 促进古代文明发展 不惜一切代价保护它们 /ˈiːdʒɪpt/ 埃及 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 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 /rɪˌspɒnsəˈbɪləti/ 共同的的责任 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 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...? 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 Sure! What would you like to know? Could you tell me more about China, Yaming? Sharing time 此课件为蜗牛英语圈原创课件，已申请版权，如有侵权必究法律责任 3c Listen to the conversation. Then role-play it. Welcome back, Ella! How was your trip? It was great! We saw the Hukou Waterfall on the Yellow River. Is that the longest river in China? ... $