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

该初中英语导学案聚焦“自然奇观”主题，引导学生学习waterfall、desert等地理类词汇及用大数描述特征的表达，通过自主预习词汇互查、图片匹配与听力预测，搭建从词汇认读、信息预测到语用输出的学习支架，衔接预习与课堂探究。 以听力为核心，通过多轮听辨、表格梳理培养语言能力，小组合作与信息预测提升思维品质，自主预习与当堂检测强化学习能力。习题兼顾词汇运用与句子表达，助力学生内化知识，认同自然保护价值，符合英语学科核心素养发展需求。

初中部八年级下册英语导学案 课题 Unit 4 The Wonders of Nature Section A (1a-1d) 编号 YYDXA001 使用班级 主备人 使用时间 课型 新课 课时 第1课时 姓名 序号 【学习目标】1. 通过听、说、看等方式，获取并正确认读关于自然奇观的地理类词汇（如waterfall, desert, trench等），感知描述自然景观特征的词汇用法（如level, surface, depth等）（学习理解） 2.通过听力捕捉、对话练习，获取文本中自然奇观的维度、规模等关键信息，归纳并内化用大数描述事物特征、问答自然奇观相关信息的常用表达（如...is the highest in the world, It’s...metres high/deep）（应用实践） 【学习重难点】通过讨论和合作交流，理解自然奇观的独特价值，能够主动分享自己熟知的自然奇观信息，并认同探索和保护自然的重要性。 （迁移创新） 【自主预习】 完成下列短语和句子 1.尼罗河_________________________ 2.安赫尔瀑布______________________________ 2.珠穆朗玛峰_____________________ 4.死海_____________________________________ 5.撒哈拉沙漠_____________________ 6.马里亚纳海沟_____________________________ 6.平方公里_______________________ 8.海平面以下_______________________________ 9.最低的地方_____________________ 10.8,848.86_________________________________ 11.在地球上、究竟________________ 12.尽可能快_________________________________ 【合作探究】 Step 1. Pre-listening 1. Small groups review each other’s self-studied vocabulary and sentence structures, correcting pronunciation and translation errors. 2. Study the textbook, section 1a, and match the images with their corresponding natural wonders (waterfall, desert, trench, mountain). Try to briefly describe the content of the images using the vocabulary you have reviewed beforehand. 3. Predict the content of the listening passage: Based on the images, guess what types of natural wonders the listening material will discuss (e.g., height, depth, location, etc.). Step 2. While-listening 1. First Listen: Listen to the recording and annotate the key data (numbers + units) of the natural wonders you hear next to the images in 1a. Complete 1b. 2. Second listening: Listen to the recording again, fill in the following table, record the names, characteristics, and data of natural wonders, and complete 1c. Step 3. Post-listening Natural wonder（自然奇观） Feature（特征） Number（数据） Mount Qomolangma height Mariana Trench depth Sahara Desert area面积 Dead Sea width 【小老师展示】Listen and fill in the blanks. Host: Welcome to our game show! Today, it's all about geography. Answer as quickly as you can! Question one: What is the ________________________ mountain in the world? Fu Xing: It's Mount Qomolangma! Host: Correct! How ______________ 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 ___________! Now, name the biggest desert in the world. Fu Xing: The Taklimakan Desert? Host: Wrong! Ella? Ella: It's the Sahara Desert. Host: Right! Now, how big is it? Ella: It's about 9,000,000 square kilometres. Host: That's right! What's the ______________ place on earth? Liu Hongyu: It's the Dead Sea! Host: Well done! Its surface is 416 metres below_________ ___________. Now where's the deepest point in the ocean? Fu Xing: It's in the Mariana Trench. Host: That's correct! How ______________ is it? Fu Xing: It's about 11,000 metres deep. Host: Correct! 【应用巩固】Talk about the place you have learned about. A: What’s the lowest place on earth? B: It’s _________________________. A: How low is it? B: Its surface is ___________________ meters below sea level. 【当堂检测】 （一）词汇运用：用所给词的适当形式填空 1.The Grand Canyon is one of the greatest _______________ (wonder) of the natural world. 2.The river is about 200 _______________ (metre) wide. 3.This mountain is _______________ (high) than that one. 4.What’s the _______________ (deep) of the swimming pool? 5. The Sahara is the _______________ (large) desert in the world. 6. We should learn to protect the _______________ (nature) world. （二）完成句子 1. 黄果树瀑布是中国最美丽的瀑布之一。 Huangguoshu Waterfall is one of _______________ _______________ _______________ waterfalls in China. 2. 这个海沟大约 10000 米深。This trench is about _____________ ___________ __________ ___________. 3. 我们经常在课堂上谈论自然奇观。We often _______________ _______________ natural wonders in class. 4. 珠穆朗玛峰在地球上是最高的山。 Qomolangma is _______________ _______________ mountain _______________ _______________. 第 1 页 学科网（北京）股份有限公司 $