Unit 4 The Wonders of Nature.Section A (3a–3d）导学案 2025-2026学年人教版八年级英语下册

Unit 4 The Wonders of Nature.Section A (3a–3d）导学案 一、学习目标 1. 知识目标 能读懂对话，提取并梳理黄河、尼罗河的核心信息（国家、长度、重要性）。 掌握longest, second longest, civilization, mother river等核心词汇与最高级句型。 能运用所学句型介绍中外河流及中国其他地理特征。 1. 能力目标 能完成阅读信息提取、表格填空与对话角色扮演。 能拓展对话，介绍中国其他地理特征（如沙漠、山脉等）。 1. 素养目标 了解河流孕育文明的历史意义，树立保护河流的意识。 增强文化自信，能用英语向他人介绍中国地理与文化。 二、自主预习 1. 短语英汉互译 1. 黄河 ____________________ 2. 长江 ____________________ 3. 尼罗河 ____________________ 4. 母亲河 ____________________ 5. 古代文明 ____________________ 6. the longest river in the world ____________________ 7. at all costs ____________________ 2. 句型预习（根据汉语补全句子） 1. The Yangtze River is ____________________ (中国最长的河流). 2. The Yellow River is ____________________ (中国第二长河). 3. The Nile is ____________________ (世界最长的河流). 4. We should protect them ____________________ (不惜一切代价). 三、课堂学习任务 任务1：阅读勾划（3a） 阅读对话，用下划线勾出文中提到的三条河流名称，并回答： 1. How many rivers are mentioned in the conversation? 2. What are they? 任务2：表格信息梳理（3b） 再次阅读对话，完成表格填空： River Country Length (km) Importance Yellow River __________ __________ helped in the development of ancient __________ Nile River __________ __________ same as above 任务3：语言点练习 一、用所给词的适当形式填空 1. The Yangtze River is the __________ (long) river in China. 2. The Yellow River is the __________ (two) longest river in China. 3. The Nile is the __________ (long) river in the world. 4. We should protect our rivers at all __________ (cost). 二、同义句转换 1. The Yangtze River is longer than the Yellow River. The Yellow River is the __________ __________ river in China. 2. The Nile is 6,671 kilometres long. The __________ of the Nile is 6,671 kilometres. 任务4：对话操练与拓展（3c–3d） 1. 角色扮演（3c） 两人一组，完整演绎3a对话，注意： 准确读出数字（如5,464、6,671）。 语气自然，体现友好交流的感觉。 2. 拓展对话（3d） 根据示例，续写一段关于中国地理特征的对话（至少3轮问答）： 示例： 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 ________________________? Yaming: ________________________ Ella: What’s the highest mountain in China? Yaming: ________________________ 四、课堂小结 重点词汇 yellow earth, civilization, mother river, at all costs, the longest/second longest 重点句型 1. — Is that the longest river in China? — No, the Yangtze River is the longest river in China. 2. The Yellow River is 5,464 kilometres long and is the second longest. 3. Both the Nile and the Yellow River helped ancient civilizations to develop. 4. We should protect them at all costs. 五、课后作业 1. 背诵3a对话中关于黄河和尼罗河的核心句子。 2. 写一篇60词短文，介绍你最喜欢的一条河流，包含： 0. 它的位置与长度 0. 它的重要性 0. 你为什么喜欢它 3. 预习下一部分内容，积累更多自然奇观词汇。 导学案（答案） 一、自主预习答案 1. 短语英汉互译 1.黄河 — the Yellow River 2.长江 — the Yangtze River 3.尼罗河 — the Nile River 4.母亲河 — mother river 5.古代文明 — ancient civilization 6.the longest river in the world — 世界最长的河流 7.at all costs — 不惜一切代价 2. 句型预习 1.the longest river in China 2.the second longest river in China 3.the longest river in the world 4.at all costs 二、课堂学习任务答案 任务1：阅读勾划（3a） 1.Three. 2.They are the Yellow River, the Yangtze River and the Nile River. 任务2：表格信息梳理（3b） River Country Length (km) Importance Yellow River China 5,464 helped in the development of ancient Chinese civilization Nile River Egypt 6,671 same as above 任务3：语言点练习 一、用所给词的适当形式填空 1.longest 2.second 3.longest 4.costs 二、同义句转换 1.second longest 2.length 任务4：对话操练与拓展（3c–3d） 2. 拓展对话（示例答案） 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 how big it is? Yaming: It’s about 330,000 square kilometers. Ella: What’s the highest mountain in China? Yaming: It’s Mount Qomolangma. It’s the highest mountain in the world. 学科网（北京）股份有限公司 $