Unit 4 第一课时 Section A (1a-2d)-【木牍中考•名师教案】2025-2026学年八年级下册英语（人教版·新教材）

该教案聚焦“自然奇观”主题，核心知识点包括自然奇观相关词汇、形容词和副词比较级与最高级用法，以及地理事实表达。课堂通过提问“是否见过自然奇观”并展示图片导入，Section A以听说感知语法，Section B借阅读巩固，构建从基础到综合运用的学习支架。 资料亮点在于融合语言能力与文化意识，通过听力捕捉大数字信息、对话练习比较级、小组讨论深海问题等任务，培养分析比较的思维品质和信息收集的学习能力。情境教学与合作学习提升学生参与度，帮助教师高效落实重难点，促进语言综合运用与自然敬畏感培养。

Unit 4　The Wonders of Nature 单元导航 一、单元内容分析 本单元属于“人与自然”主题范畴,涉及“自然生态”主题群。通过本单元的学习,学生能够用英语谈论自然奇观,掌握形容词和副词的比较级与最高级用法,并深入探讨人类与自然的联系以及探索自然的意义。 Section A围绕世界著名自然奇观展开听说练习,引导学生熟悉自然景观的英语表达,通过听力材料和对话感知形容词和副词的比较级与最高级的用法,同时鼓励学生分享所了解的自然奇观及其特点。 Section B借助阅读文本介绍珠穆朗玛峰的攀登历程等内容,进一步巩固形容词和副词的比较级与最高级的运用,通过写作、海报设计等活动,让学生深入思考自然探索的成就与价值,提升语言综合运用能力。 二、单元教学目标(Teaching Objectives of the Unit) Language Abilities 1.Master the vocabulary and expressions related to natural wonders and geography. 2.Understand and use comparatives and superlatives of adjectives and adverbs correctly. 3.Be able to talk about geographical facts of natural wonders,compare famous places,and share information using large numbers in English. Culture Awareness Learn about world⁃famous natural wonders and the achievements of human exploration of nature,and cultivate a sense of awe and protection for nature. Quality of Thinking Develop the ability to analyze and compare the characteristics of different natural wonders,and cultivate the spirit of exploring nature and pursuing progress. Learning Abilities 1.Improve listening,speaking,reading,and writing skills through activities such as matching,listening comprehension,role⁃plays,and poster design. 2.Enhance the ability to collect and organize geographical information. 三、单元重难点(Key and Difficult Points of the Unit) Key Points: 1.Master the vocabulary,phrases,and sentence patterns about natural wonders and geography. 2.Grasp the rules of forming and using comparatives and superlatives of adjectives and adverbs. 3.Be able to use the target language to describe natural wonders,compare different places,and express geographical facts with large numbers. Difficult Points: 1.Use comparatives and superlatives correctly in different contexts. 2.Express the characteristics and geographical facts of natural wonders logically and fluently in oral and written English. 第一课时　Section A (1a-2d) ◇目标导航◇ 类别 课时要点 重点单词 wonder n.奇观;惊叹 v.琢磨;想知道;感到诧异 desert n.沙漠;荒原 below prep.& adv.在(……)下面;低于 level n.高度;水平;程度 surface n.表面;表层 depth n.深(度);纵深 unusual adj.特别的;不寻常的 bottom n.底部;最下部 重点短语 square kilometre 平方千米 sea level 海平面 the bottom of ……的底部 重点句型 What’s the lowest place on earth?地球上最低的地方是哪里? 教学重点 1.Help students master the words about natural wonders. 2.Enable students to conduct simple dialogues about natural wonders’ geographical facts. 教学难点 1.Help students accurately capture key information in listening materials. 2.Enable students to use numbers correctly when describing natural wonders. ◇教学过程◇ Step 1 Leading in 1.Greet the class and ask:“Have you ever seen any amazing natural wonders?What are they?” 2.Invite a few students to share their ideas. Step 2 Work on 1a 1.Show pictures of the six natural wonders mentioned in 1a.Introduce the new vocabulary and read it aloud with the class.Explain the key words if necessary. 2.Ask students to match the places with the pictures individually. 3.Check the answers together.Invite students to read the place names one by one to reinforce pronunciation and memory. Step 3 Work on 1b-1c 1.Play the recording of 1b for the first time.Ask students to listen carefully and fill in the blanks in the descriptions of the places. 2.Check the answers.Then play the recording again.This time,ask students to complete the measurements in 1b with the numbers provided in 1c. 3.Play the recording a third time to let students verify their answers.Explain difficult points such as the pronunciation of numbers and key sentence structures in the recording. Step 4 Work on 1d 1.Divide students into pairs.Ask them to use the dialogue model in 1d to talk about the places they have learnt. 2.Invite several pairs to act out their dialogues in front of the class.Give positive feedback and corrections. Step 5 Work on 2a 1.Ask students to look at the picture of “OCEAN DEPTHS” in 2a.Explain the depths and the related information on the left. 2.Let students complete the sentences with the information from the picture individually.Walk around to offer help. 3.Check the answers together.Explain the key depths and relevant background knowledge. Step 6 Work on 2b-2c 1.Ask students to read the topics in 2b carefully.Play the recording of the conversation. 2.Ask students to tick the topics they discuss.Check the answers with the class and briefly explain the reasons for the unselected topics. 3.Play the recording again.Ask students to complete the sentences in 2c with the information they hear. 4.Play the recording a third time for students to check and correct their answers.Explain key phrases and sentences. Step 7 Work on 2d 1.Ask students to read the questions in 2d and think of more questions they want to ask the deep⁃sea researcher. 2.Organize a group discussion.Each group researches the answers to the questions with the teacher’s guidance if necessary. 3.Invite several groups to ask and answer the questions in front of the class. ◇教学反思◇ 　　本课通过展示自然奇观图片有效激发了学生的学习兴趣,多数学生能快速掌握相关词汇和短语。但在听力环节,部分学生对大数字的捕捉和理解存在困难,导致部分测量数据填写错误。在对话练习中,少数学生使用形容词和副词的比较级与最高级时不够熟练。后续课程应加强形容词和副词的比较级与最高级的基础练习,为后续学习奠定扎实基础。 1 立足安徽 精准备考 1 / 1 学科网（北京）股份有限公司 $