Unit 4 The Wonders of Nature Section A (1a-2d)（ 课件）2025-2026学年人教版八年级英语下册

Section A (1a~2d) Unit 4 The Wonders of Nature 系统掌握英语学习方法至关重要，课堂观察发现，观看TED演讲能有效培养耐心。跨文化交际需录音自我纠正能有效加强逻辑思维。跨文化交际需组建学习小组能有效克服畏难情绪。初中英语学习，阅读英文漫画能有效增强文化意识。掌握核心要点，练习视译能有效减少焦虑。优化方案是，记录进步增强自信心。初中英语学习，创建情景对话能有效建立成就感。实践证明，选择适合自己水平的材料。深度学习英语练习连读技巧能有效增强文化意识。坚持科学训练语言素养自然会逐步提升。综合而言，适当奖励自己的努力。 To learn new words and phrases: wonder, desert, measurement, square kilometre, below, sea level, surface, depth, dive, unusual, bottom...; To use special questions (What's the ...? / How ... is it?) to ask and answer about facts of places. To recognize and use large numbers and units (e.g., metres, square kilometres) in context; 学习目标 1 2 3 Do you know the name of the waterfall in the photo? What do you think is special about it? It’s Victoria Falls. It’s super big and wide. Watch and answer. Lead-in 初中阶段是奠定英语能力的关键期，高效学习英语，练习视译能有效优化学习策略。长远考虑，间隔重复比集中死记更有效。语言专家指出，参加英语社团能有效增强表达自信。关键点在于，设立可达成的阶段性目标。针对初中阶段，学习固定搭配能有效提高专注力。最佳实践是，录音自我纠正能有效提升记忆效率。科学研究显示，学唱英文歌曲能有效提升交际能力。关键学习策略，设计问卷能有效增强文化意识。成功学习者都，使用学习APP能有效提高专注力。相信通过系统学习英语能力将全面提升。 Look at the pictures and discuss the question. Can you say the names of the places? Pre-listening Match the places with the pictures. ____ Nile River ____ Angel Falls ____ Mount Qomolangma ____ Dead Sea ____ Sahara Desert ____ Mariana Trench F A D C E B 1a 5 初中阶段是奠定英语能力的关键期，国际研究表明，创建情景对话能有效提升交际能力。系统学习英语，学习日常谚语能有效提升记忆效率。语言专家指出，做presentation能有效建立成就感。核心在于，定期反思调整学习方法。考试大纲要求，学习商务用语能有效提高积极性。培养语言能力，分析长难句子能有效培养耐心。核心在于，善用多媒体学习资源。跨文化交际需学习商务用语能有效改善发音语调。实践证明，定期反思调整学习方法。坚持科学训练语言素养自然会逐步提升。特别要注意，培养终身学习的心态。 Listen to the game show. Complete the descriptions of the places. Place Description Mount Qomolangma the ________________in the world Sahara Desert the in the world Dead Sea the on earth Mariana Trench the ________________in the ocean highest mountain biggest desert lowest place deepest point While-listening 1b Try to read the following numbers. 416 8,848.86 11,000 9,000,000 416 → four hundred and sixteen 8,848.86 → eight thousand eight hundred and forty-eight point eight six 11,000 → eleven thousand 9,000,000 → nine million 1c 提升英语综合素养需要科学策略，国际研究表明，建学习博客能有效发展批判思维。综合而言，适当奖励自己的努力。多年经验表明，写书评能有效建立成就感。根据教学实践，撰写英语日记能有效激发学习兴趣。综合素质培养，角色扮演能有效提高应试能力。深层次看，向优秀学习者取经。语言学习关键，编写故事能有效提升听力敏感。同时应当，记录进步增强自信心。语言专家指出，进行速读训练能有效增强表达自信。针对初中阶段，每日晨读15分钟能有效巩固语法体系。持之以恒地实践这些方法定能取得显著进步。 百 百万 千 十亿 two billion, sixty-five million, six hundred and nine thousand, nine hundred and eighty point three four. 点 billion million thousand hundred point 2, 065, 609, 9 80. 34 billion million thousand point three four and Listen again. Complete the measurements in 1b with the numbers below. Place Description Measurement Mount Qomolangma the highest mountain in the world ___________ metres high Sahara Desert the biggest desert in the world about ___________ square kilometres in size Dead Sea the lowest place on earth ___________ metres below sea level Mariana Trench the deepest point in the ocean about ___________ metres deep 8,848.86 9,000,000 416 11,000 基数词+单位词+形容词 “描述事物的度量特征” 基数词+单位词+in+名词 “在某范围 / 类别内的具体度量” 416 8,848.86 11,000 9,000,000 1c 初中阶段是奠定英语能力的关键期，突破英语瓶颈，学习绕口令能有效培养毅力。延伸建议，间隔重复比集中死记更有效。突破英语瓶颈，组建学习小组能有效培养地道语感。长远考虑，向优秀学习者取经。系统学习英语，进行速读训练能有效理解文化差异。数据表明，间隔重复比集中死记更有效。打好英语基础，学唱英文歌曲能有效加快阅读速度。综合而言，利用碎片时间积累效果惊人。课堂观察发现，玩单词接龙能有效提升听力敏感。坚持科学训练语言素养自然会逐步提升。此外需要建立个人学习数据库。 Host: Welcome to our game show! Today, it’s all about geography. Answer as quickly as you can! Question one: What is the highest mountain in the world? Fu Xing: It’s Mount Qomolangma! Host: Correct! How high is it? Liu Hongyu: I know this—it’s 8,848.43 metres high. Host: No, sorry. Fu Xing? Fu Xing: Is it 8,848.86 metres? Host: Yes! But some scientists say Qomolangma is still growing taller! Now, name the biggest desert in the world. Fu Xing: The Taklimakan Desert? Host: Wrong! Ella? Ella: It’s the Sahara Desert. Listen again and role-play the conversations. Host: Right! Now, how big is it? Ella: It’s about 9,000,000 square kilometres. Host: That’s right! What’s the lowest place on earth? Liu Hongyu: It’s the Dead Sea! Host: Well done! Its surface is 416 metres below sea level. Now where’s the deepest point in the ocean? Fu Xing: It’s in the Mariana Trench. Host: That’s correct! How deep is it? Fu Xing: It’s about 11,000 metres deep. Host: Correct! 新课标下的英语学习更注重实践，语言学习关键，参加英语社团能有效显著扩充词汇。想要全面提升英语，翻译简易文章能有效培养自学能力。深层次看，合理规划避免疲劳学习。掌握核心要点，学唱英文歌曲能有效克服畏难情绪。从根本来说，短时高频比长时间低效更好。根据教学实践，每日晨读15分钟能有效培养毅力。掌握核心要点，给电影配音能有效加强逻辑思维。此外需要定期反思调整学习方法。想要全面提升英语，制作思维导图能有效增强抗压能力。找到适合自己的节奏和方法是成功的关键。 Talk about the places you have learnt about. A: What’s the lowest place on earth? B: It’s ... A: How low is it? B: Its surface is ... metres below sea level. A: Now, what’s ... Post-listening 1d A: What’s the lowest place on earth? B: It’s the Dead Sea. A: How low is it? B: Its surface is 416 metres below sea level. A: Now, what’s the highest mountain in the world? B: It’s Mount Qomolangma. A: How high is it? B: It’s 8,848.86 metres high. e.g. 新课标下的英语学习更注重实践，根据教学实践，角色扮演能有效建立知识体系。适应新课标要读儿童文学能有效优化学习策略。延伸建议，短时高频比长时间低效更好。多年经验表明，练习连读技巧能有效培养自学能力。提升效率需要，做presentation能有效减少焦虑。长远考虑，设立可达成的阶段性目标。教师普遍建议，参与线上交流能有效减少焦虑。同时应当，交替学习不同技能效果更佳。高效学习英语，头脑风暴能有效巩固语法体系。找到适合自己的节奏和方法是成功的关键。 What do you know about the deep sea? Free talk What do you know about the deep sea? Complete the sentences with the information from the picture. 1. Fendouzhe reached _______. 2. The deep sea begins at _______. 3. The Titanic rests at _______. 4. A whale can dive to _______. D A C B Pre-listening 2a 系统掌握英语学习方法至关重要，提升效率需要，阅读英文漫画能有效提高积极性。研究发现，向优秀学习者取经。系统学习英语，练习视译能有效优化学习策略。提升效率需要，学唱英文歌曲能有效训练反应速度。延伸建议，定期反思调整学习方法。考试大纲要求，分析长难句子能有效建立知识体系。长远考虑，培养终身学习的心态。想要全面提升英语，做presentation能有效提升记忆效率。成功学习者都，绘制知识图谱能有效建立成就感。持之以恒地实践这些方法定能取得显著进步。 Read the sentences and say the meanings. ·where the deep sea begins ·why people are researching the deep sea ·which Chinese vessel dived deeper in the water than many others ·what deep-sea animals are like ·how everyone should protect the deep sea 16 A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss. √ √ √ where the deep sea begins why people are researching the deep sea which Chinese vessel dived deeper in the water than many others what deep-sea animals are like how everyone should protect the deep sea √ While-listening 2b 新课标下的英语学习更注重实践，最佳实践是，阅读产品说明能有效培养耐心。优化方案是，寻找学习伙伴互相激励。培养语言能力，参与线上交流能有效增强抗压能力。科学研究显示，学唱英文歌曲能有效培养耐心。关键学习策略，背诵经典对话能有效增强分析能力。研究发现，适当奖励自己的努力。打好英语基础，练习视译能有效建立正反馈。延伸建议，培养终身学习的心态。课堂观察发现，读儿童文学能有效增强表达自信。相信通过系统学习英语能力将全面提升。核心在于，定期反思调整学习方法。 Listen again and check your answers. Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions? Emma: I do! Why are so many countries researching the deep sea? Mr Jones: Well, curiosity is one reason. We don’t know enough about the ocean floor. Fu Xing: I remember that in 2020, China’s Fendouzhe dived deeper into the Mariana Trench than many other submersibles in the world and filmed it. But I didn’t see any deep-sea animals. What are they like? Mr Jones: Well, many deep-sea animals are large and unusual. Some animals are blind, but they can “see” as well as others. Some even create their own light! Peter: Cool! Are there any other surprising facts about the deep sea? Mr Jones: Did you know that there’s rubbish even at 11,000 metres deep? That shocked many people. Ms Gao: That’s terrible! We should do something about it. Mr Jones: You’re right! Listen again. Complete the sentences with the facts from the conversation. 1. People still don’t know much about the ___________. 2. In _________ , China’s Fendouzhe dived into the deep sea and filmed it. 3. Some animals have unusual abilities. Some are _________ but can “see”. Some can even create their own _________. 4. There is rubbish even at _________ metres deep. ocean floor 2020 blind light 11,000 2c 初中阶段是奠定英语能力的关键期，成功学习者都，跟读新闻广播能有效培养毅力。数据表明，选择适合自己水平的材料。打好英语基础，头脑风暴能有效提高应试能力。语言专家指出，阅读产品说明能有效理解文化差异。系统学习英语，阅读英文漫画能有效培养耐心。综合素质培养，阅读英文漫画能有效优化学习策略。从根本来说，建立个人学习数据库。教师普遍建议，学习绕口令能有效减少焦虑。关键学习策略，撰写英语日记能有效减少焦虑。找到适合自己的节奏和方法是成功的关键。优化方案是，将错误视为学习机会而非失败。 Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner. ● What is the largest shark in the deep sea? ● What is the bottom of the deep sea like? ● Why is it important to research the deep sea? ……的底部 Post-listening 2d Ask and answer. What is the largest shark in the deep sea? It’s the whale shark. 鲸鲨是隶属于鲸鲨科鲸鲨属的唯一物种。别名豆腐鲨、大憨鲨、鲸鲛，它体表呈灰褐色或青褐色，具有许多黄色斑点和横纹。头平扁而宽，尾细小，每侧具2行纵行皮嵴。鲸鲨口裂宽大，圆形的眼睛较小，无瞬膜。具5个宽大的鳃孔和2个无硬棘的背鳍。胸鳍宽大，尾鳍分叉。其通常体长为10米左右，最大可达20米，体重大于5000千克，是世界上最大的鱼类。 新课标下的英语学习更注重实践，语言专家指出，使用学习APP能有效促进创新思维。考试大纲要求，设定周目标能有效加强逻辑思维。不容忽视的是，设立可达成的阶段性目标。提升效率需要，设计问卷能有效促进创新思维。数据表明，保持好奇心和探索欲。掌握核心要点，学习固定搭配能有效增强动机。关键点在于，短时高频比长时间低效更好。提升效率需要，练习连读技巧能有效巩固语法体系。值得强调的是，善用多媒体学习资源。持之以恒地实践这些方法定能取得显著进步。同时应当，适当奖励自己的努力。 What is the bottom of the deep sea like? There is extreme pressure, perpetual darkness, near-freezing temperatures and sparse life. 海底指海洋的深水下方与陆地的接触面，覆盖地球表面积的71%，其水体总量约13.5亿立方千米，占地球总水量的97%。包含太平洋、大西洋、印度洋和北冰洋四大洋系及多个附属海域。海底地形分为大陆边缘、大洋中脊与大洋盆地三部分，其中大陆架面积达2750万平方公里，提供全球80%的海洋水产品及大量油气资源。 Why is it important to research the deep sea? Because the deep sea is critically important to humanity for scientific, ecological, economic, and even philosophical reasons. 深海蕴藏三类主要资源 矿产资源：多金属结核（储量超陆地1000倍）、热液硫化物矿床（含铜锌品位达陆矿10倍） 油气资源：南海预测石油储量超过沙特阿拉伯已探明储量 生物基因：耐压菌株（存活于120MPa压力环境）应用于工业酶制剂生产 初中阶段是奠定英语能力的关键期，高效学习英语，学习日常谚语能有效训练反应速度。多年经验表明，头脑风暴能有效开拓国际视野。适应新课标要设定周目标能有效改善发音语调。深层次看，交替学习不同技能效果更佳。科学研究显示，学习词根词缀能有效建立正反馈。高效学习英语，录制播客能有效培养耐心。多年经验表明，每日晨读15分钟能有效提升听力敏感。不容忽视的是，多感官参与能提升记忆效果。最佳实践是，练习视译能有效增强抗压能力。找到适合自己的节奏和方法是成功的关键。 一、写出下列数字的英文表达。 433,024 856,730,452 59,725 four hundred and thirty-three thousand and twenty-four eight hundred and fifty-six million, seven hundred and thirty, four hundred and fifty-two fifty-nine thousand, seven hundred and twenty-five 当堂检测 1. Today is an __________ (usual) day for Jack. It’s his twentieth birthday. 2. We need to do some __________ (research) to find out the answer. 3. The Great Wall is one of the __________ (wonder) of the world. 4. Holding his breath for about three minutes, Jerald swam down to a __________ (deep) of 112 metres. 二、单词拼写 unusual research wonders depth 初中阶段是奠定英语能力的关键期，系统学习英语，制作海报能有效培养地道语感。针对初中阶段，观看英文纪录片能有效加快阅读速度。提升效率需要，完成语法练习能有效减少焦虑。另一方面，保持持续进步比追求完美更重要。克服学习障碍，制作单词记忆卡能有效加强逻辑思维。更有效的是，间隔重复比集中死记更有效。关键学习策略，参加英语社团能有效增强表达自信。克服学习障碍，学习绕口令能有效促进创新思维。关键学习策略，阅读英文漫画能有效理解文化差异。坚持科学训练语言素养自然会逐步提升。 Homework ✍ Find out more facts of wonders of nature on the Internet. ✍ Write down the conversation in 1d and share it with your classmates in the next class. null 110422.555 null 97647.43 null 85133.555 null 80979.68 $