Unit 4 The Wonders of Nature Section A 3a-3d 课件 2025-2026学年人教版八年级英语下册

Unit 4 The Wonders of Nature Section A 3a-3d 通过阅读等，获取并正确认读关于河流特征等主题词汇（如waterfall,the farthest,civilization 等），感知自然奇观相关词汇用法。（学习理解） 1 学会运用相关词汇来描述河流的特征，如河流长度与重要性的关键信息，归纳并内化询问与介绍自然奇观的常用表达（如It travels the farthest and is... kilometres long.）。（应用实践） 2 通过讨论和角色扮演，理解自然奇观的价值与保护意义，能够主动分享对自然奇观的探究问题，并认同保护自然的理念。 （迁移创新） 3 学习目标 Lead in What wonder of nature is it in the video? pre-reading 1.What can you see in the picture? 2.What is the conversation mainly about? The Hukou Waterfall Great rivers Three Rivers _____________ _____________ _____________ Yellow River Yangtze River Nile River 3a Read the conversation and underline the three rivers mentioned. River Country Length Feature Yellow River China _____ km the second longest river in ______ Yangtze River _______ _____ km the _______ river in China Nile River _______ _____ km the longest river in _______ China Africa 5,464 6,300 6,671 China longest world Both the Yellow River and the Nile River helped in the development of ancient ___________. civilizations 3b Read the conversation again and complete the table. Read the conversation and answer the questions. 1. Why is the Yellow River called "yellow"? 2.What do the Yellow River and the Nile River have in common ? Because some parts of the river carry brown and yellow earth. Both the Yellow River and the Nile River helped ancient civilizations. How did the Yellow River and the Nile River help in the development of ancient civilizations? Providing water for drinking and farming. Creating fertile (肥沃的) land with river sediment (沉积物). Supporting settlements (定居点) and population growth. Enabling early trade and communication. ... Let’s think Read the conversation and answer the questions. 3. 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 fill in the blanks, then retell the passage. Yaming and Ella were talking their trip.Yaming saw the on the Yellow River. The Yellow River is 5,464 kilometres long and is the  river in China. It's called the Yellow River because some parts of the river . We even call the Yellow River our " "! The Yangtze River is river in China. It travels and is about 6,300 kilometres long.   Ella’s  favourite river is the Nile.  The Nile is 6,671 kilometres long and it is . It's very in Egypt's history.   the Nile the Yellow River helped ancient to develop. They're still very important today. We should protect them . Hukou Waterfall second longest carry brown and yellow earth mother river the longest the farthest the longest river in the world important Both and civilizations at all costs Listen to the conversation. Then role-play it. 3c What other geographical features in China do you know? the longest river? the biggest desert? the largest freshwater pool? the tallest mountain? the biggest island? the lowest basin (盆地)? What’s ... What other geographical features in China do you know? Picture English "Superlative" in simple English 🏜️ Taklimakan Desert The largest desert in China 🏔️ Mount Qomolangma The highest mountain in the world / in China 🌊 Qinghai Lake The biggest inland lake and biggest saltwater lake in China 🌊 Yangtze River The longest river in China / in Asia 🏝️ Hainan Island The second largest island in China; the largest tropical island in China ⛰️ Huangshan Mountain One of China’s most famous and beautiful mountains 🌊 Poyang Lake The biggest freshwater lake in China Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. 3d For example: 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. /ˈdezət/ n. 沙漠 The largest waterfalls Huangguoshu Waterfall (黄果树瀑布) The largest saltwater lake Qinghai Lake (青海湖) The largest desert Taklamakan Desert (塔克拉玛干沙漠) Language Points 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 Language points 词 讲 练 development n. 发展；壮大 develop v. 发展 形容词：developing（发展中的） developed（发达的） 用法：作名词，常用搭配 the development of sth.（……的发展）， 如economic development（经济发展）。 例句：The development of technology has changed our life a lot. （科技的发展极大地改变了我们的生活。） 1. The __________（develop）of AI is very fast now. 2. China is a ___________（developing/developed）country. 3. 翻译：教育的发展对国家至关重要。 development developing The development of education is crucial for a country. 3.What’s the biggest desert in China? 中国最大的沙漠是什么? (教材 P34 3d) desert n. 沙漠；荒原 The silk Road became a busy highway for traders who carried things across deserts and mountains. 丝绸之路成为商人们穿越沙漠与山脉来运送货物的繁忙通道。 Exercise 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” at all ______ (cost). 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 costs bottom farthest Translate the expressions into English. 1. 流经的距离最远 2. 顺便说一下 3. 第二长 4. ……和……都 5. 无论如何 6. 古代文明 7. 最长的河流 8. ……公里长 9. 了解/学习…… 10. 把某人/物叫做…… travel the farthest by the way the second longest both...and... by all means ancient civilization the longest river ... kilometres long learn about call sb./sth. ... Homework 基础作业 拓展作业 熟读3a的对话内容，背诵其中描述黄河、长江、尼罗河长度和重要性的句子，并用英语默写下来。 选择中国一处海洋或者河流景观，用英语制作一份简易介绍卡片，包含名称、位置、一个特色特点这三项信息。 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 null 80013.055 $