Unit 4（第2课时） Section A 3a-3d-课件2025-2026学年人教版英语八年级下册

人教版英语8年级下册培优备课精做课件 Unit 4（第2课时） Section A 3a-3d Unit 4 The Wonders of Nature 授课教师： Home . 班 级： 8年级（---）班 . 时 间： . 2026年2月14日 2026年2月14日星期六9时9分19秒 2026年2月14日星期六9时9分20秒 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. Do you know anything else about the Yellow River or the Yangtze River? 一、根据所给提示完成单词。(5分) 1. Scientists are trying to find ways to grow crops in the ________(沙漠). 2. We took many photos in front of the ____________ (瀑布)last weekend. 3.［扬州模拟］Remember to clean the ____________ (表面)of the windows before the party. desert waterfall surface 中考考法 4. Different ______________(文明)have their own special cultures and traditions. 5. The___________(发展)of science has changed our lives a lot. civilizations development  中考考法 3a 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. 顺便提一下；附带问一句 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. 不惜任何代价 River Country Length Importance Yellow River     Nile River China  Egypt 3b 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 二、用所给词的适当形式填空。(5分) 6. A good friend truly cares about you and would like ____________ (do) anything good for you. 7. With the ________________ (develop) of China, people’s lives are better and better. to do development 点拨：the后需接名词，develop的名词形式为development, with the development of表示“随着……的发展”，develop的形容词有两个：developed(发达的)、developing(发展中的)。 中考考法 8. Sun Wukong has a magical stick, and it can change its ________ (long). 9. The man didn’t realize the ________________ (important) of health until he got ill seriously. 10. Bill lives the ________ (far) from the school. He has to get up early to catch the early bus. length importance farthest 中考考法 3c Listen to the conversation. Then role-play it. 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...? 3d Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. Other geographical features in China 三、根据汉语意思完成句子。(12分) 11. 这些学生想要在博物馆里了解关于古代中国的历史。 The students want to ________ ________ the history of ancient China in the museum. 12.我们将不惜任何代价保护这些宫殿。 We will protect these palaces ________ ________ ________. learn about at all costs 中考考法 13. 萨姆和汤姆都会敲鼓，但是萨姆比汤姆敲得要好。 ________ Sam ________ Tom can play the drums, but Sam plays them better than Tom. 14. 我今天下午要去超市。顺便问一下，你需要什么吗？ I’m going to the supermarket this afternoon. ________ ________ ________, do you need anything? Both and By the way  中考考法 15. 对古代文明的研究有助于我们理解社会是如何随着时间发展的。 The study of ________ _____________ helps us understand how societies developed over time. ancient civilizations 中考考法 6,300 kilometres long表示“6 300千米长”，是“基数词+单位词+形容词”结构。 1.It travels the farthest and is about 6,300 kilometres long. 它流经的距离最远，约有6 300千米长。(教材 P34 3a) 物体长、宽、高、深等的表达 基数词+单位词+形容词(long、wide、high、deep等) 基数词+单位词+in+名词(length、width、height、depth等) The river is 20 metres wide (= 20 metres in width). 这条河宽20米。 2. helped in the development of ancient civilizations 有助于古代文明的发展 (教材 P34 3b) [不可数名词]由“develop(v.发展)+-ment(名词后缀)”构成。 (with) the development of (随着)……的发展 We believe China will continue to lead the world in technology development. 我们相信，中国在科技发展方面将继续引领世界。 development n. 发展；壮大 development n. 发展；壮大 developing adj. 发展中的 develop v. 发展；壮大 developed adj. 发达的 四、 完形填空。 As we all know, the Yangtze River is the longest river in China. But today I’d love to introduce another famous river to you—the Yellow River. The Yellow River is the second__ 16__ river in China. 16.( )A. longest B. highest C. biggest D. shortest A 中考考法 The “yellow” in its name is from the mud (泥) and sand. About 90% of the mud and sand in the Yellow River__ 17__ the Loess Plateau(黄土高原). 17.( )A. cares about B. comes from C. thinks of D. shouts to B 中考考法 The Loess Plateau is loose(松的)and easy to wash away. As a result, in the season of__ 18__rainfall, a lot of mud and sand goes into the Yellow River. 18.( )A. simple B. heavy C. huge D. light B 中考考法 The Yellow River starts from the Qinghai-Xizang Plateau and its shape(形状)is__ 19__ to “几”. It runs from west to east through nine provinces and autonomous regions and finally runs into the Bohai Sea. 19.( )A. different B. hard C. similar D. connected C 中考考法 It covers an__ 20__ of about 752,443 square kilometres. The Yellow River is about 5,464 kilometres long.__ 21__, it is a little shorter than the Yangtze River. 20.( )A. area B. weight C. length D. depth 21.( )A. Actually B. Finally C. Luckily D. Quickly A A 中考考法 In Chinese history, the Yellow River is the most important birthplace of Chinese civilization.__22__ Chinese people lived on this land, worked hard and created a rich culture. 22.( )A. Modern B. Ancient C. Young D. Rich B 中考考法 Today, the area is still very important__ 23__ farming. What’s more, the Yellow River__ 24__ an important role in Chinese culture. 23.( )A. as B. in C. for D. with 24.( )A. plays B. makes C. brings D. takes C A 中考考法 People have created a lot of poems(诗歌), paintings, and songs about it. The Yellow River is a(n)__ 25__ of China, and we call it the “Mother River”. 25.( )A. group B. example C. prize D. symbol D 中考考法 五、阅读理解。 My family had a wonderful holiday in China a few years ago. We visited several cities in eleven days. Our first stop was Beijing, and Nancy was our guide. She led us to all the important places, such as the Great Wall, the Forbidden City and the hutongs. Her English was perfect, and she could explain(解释)their history and culture well. We were really thankful for her work as it added value to our trip. 中考考法 Next, we went to Chengdu and enjoyed everything there. Like everybody else, we fell in love with the cute pandas. But the days in Zhangjiajie turned out to be our favourite part of the trip. We headed straight to Tianmen Mountain on Day One. With its glass-bottomed bridges and cliff paths, this place is not for weak hearts. But the picturesque(优美的)views took my breath away. I couldn’t help taking pictures. By the end of that day, I had several hundred more pictures on my phone. 中考考法 We were not so lucky the next day as the weather turned bad. It was harder for us to see the scenery clearly. That scenery inspired the mountains in the film Avatar(《阿凡达》), and we were looking forward to seeing it with our own eyes. It was such a pity. After saying goodbye to China’s first national park, we headed to Shanghai for the last leg of our trip. We had a great time, and the journey still feels like it happened yesterday. 中考考法 26.( )What do visitors usually do in Chengdu? C 中考考法 27.( )How did the writer record the journey? A. By shooting a family film. B. By keeping a diary in a notebook. C. By taking photos by phone. D. By posting pictures on social media. C 中考考法 28.( )What’s the meaning of the underlined sentence? A. The family loved Shanghai best. B. Shanghai was their last stop in China. C. They started for Shanghai on foot. D. They returned to Shanghai yesterday. B 中考考法 29.( ) According to the passage, it’s clear that ____. A. China’s first national park lies in Zhangjiajie B. Nancy explained the story of Avatar perfectly C. the writer saw the mountains in Avatar clearly D. Chengdu is famous for its different hutongs A 中考考法 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 37 37 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 null 80013.055 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 $