Unit 4 The Wonders of Nature Section A (4a-4d) 导学案 2025-2026学年人教版英语八年级下册

该初中英语导学案聚焦形容词与副词最高级区分、大数读写规则及特定词汇比较级/最高级运用，通过自主预习的词汇预热（比较级/最高级填写）和数字热身（英汉互译）搭建学习支架，衔接课堂语法标注、数字读写等任务，形成完整知识脉络。 以自然奇观为主题，任务驱动设计助力语言能力提升，语法标注区分用法、语篇填空强化应用、对比提问锻炼表达。结合数字读写与短文写作，培养分析推断的思维品质，自主预习与课堂任务结合提升学习能力，同时渗透保护自然意识，实现语言学习与素养培育融合。

Unit 4The Wonders of Nature Section A (4a-4d) 导学案 一、学习目标 1. 知识目标 能识别并区分形容词最高级(比较事物)和副词最高级(比较动作)。 掌握英语大数的读写规则(thousand / million 等)。 能在语篇中正确使用large, amazing, far, close, loud的比较级/最高级形式。 1. 能力目标 能完成语法标注、数字读写、语篇填空与对比提问。 能运用比较级/最高级句型介绍和对比世界自然奇观。 1. 素养目标 感受自然奇观的壮美,树立保护自然的意识。 学会用英语准确描述地理与自然特征。 二、自主预习 1. 词汇预热(写出比较级/最高级) 原词 比较级 最高级 big _ _ deep _ _ far _ _ close _ _ loud _ _ amazing _ _ 2. 数字热身(英汉互译) 1. 5,895 _ 2. twenty-five thousand, seven hundred and sixty-eight _ 3. 4,000 _ 4. 337,000 _ 三、课堂学习任务 任务1:语法标注(4a) 阅读Grammar Focus句子,完成: 1. 圈出所有比较事物的形容词最高级。 2. 划出所有比较动作的副词最高级。 3. 思考:形容词和副词最高级的用法有什么不同? 任务2:数字读写(4b) 根据提示完成数字填空: 1. Mount Kilimanjaro is _ (five thousand, eight hundred and ninety-five) metres high. 2. _ (twenty-five thousand, seven hundred and sixty-eight) cubic metres of water pours down Inga Falls each second. 3. The East African Rift Valley is about 4,000 (_) miles long. 4. The Taklimakan Desert has a total area of about 337,000 (_) square kilometres. 任务3:语篇填空(4c) 用方框中单词的正确形式填空: large, amazing, far, close, loud My friends and I visited Victoria Falls in Africa last year. Visiting one of the world’s (1) _ waterfalls was a magical experience. As we went (2) _ to the falls, the noise of the water slowly grew (3) _ and louder. Then, right before our eyes, the waterfall appeared. It went on for as (4) _ as the eye could see. Later, we sat in a special pool at the top of the falls. There, we felt the water rush past us and become a part of the waterfall. It was the scariest but also the (5) _ experience of our trip! 任务4:对比提问(4d) 编写3个对比问题(使用最高级/比较级),例如: What is the highest mountain in the world? Which river is longer, the Yangtze or the Nile? 1. 2. 3. 四、课堂小结 核心语法 形容词最高级:修饰名词,如the biggest desert 副词最高级:修饰动词,如travels the farthest 数字规则:thousand(千)、million(百万),百位与十位之间加and 常用句型 What is the ... in the world? It is about ... square kilometres/metres deep. Which ... is bigger, ... or ...? 五、课后作业 1. 背诵Grammar Focus所有句子。 2. 完成一篇60词短文,介绍你最喜欢的自然奇观,包含: 它的位置与数据 它的“之最”特征 你的感受 参考答案 自主预习 1. 词汇预热 原词 比较级 最高级 big bigger biggest deep deeper deepest far farther/further farthest/furthest close closer closest loud louder loudest amazing more amazing most amazing 2. 数字热身 1. five thousand, eight hundred and ninety-five 2. 25,768 3. four thousand 4. three hundred and thirty-seven thousand 任务2:数字读写(4b) 1. 5,895 2. 25,768 3. four thousand 4. three hundred and thirty-seven thousand 任务3:语篇填空(4c) 1. tallest 2. closer 3. louder 4. far 5. most amazing 任务4:对比提问(示例) 1. What is the deepest point in the ocean? 2. Which desert is larger, the Sahara or the Taklimakan? 3. What is the longest river in the world? 任务1:语法标注(参考) 形容词最高级:biggest, deepest, greatest, blind 副词最高级:farthest, taller 1. 区别:形容词最高级修饰事物/名词,副词最高级修饰动作/动词。 学科网(北京)股份有限公司 $