Unit 5 Into the Unknown Developing ideas 教学设计-2024-2025学年高中英语外研版（2019）选择性必修四册

本文围绕Book 7 Unit 5“Developing ideas”展开，聚焦深海探索及未解之谜相关知识，承接人与自然主题语境，为学生探索精神培养奠基。通过阅读、讨论、写作等环节，渗透语言、文化、思维及学习能力等核心素养。 此教学设计创新采用P-W-P模式，以小组合作探究为特色教法。学生层面提升探索与表达能力，教师层面提供清晰授课路径，课堂效果上强化互动，有效突破模仿创作等教学难点。

Book 7 Unit 5：Developing ideas教学设计 课型 Reading + Writing 主题语境 人与自然——探索未解之谜 内容分析 本板块呈现了从另一角度反映单元主题的课文，语篇类型为说明文。课文通过描述人类进行深海探索时的各种发现，突显深海蕴藏的资源之丰富，并特别介绍了中国在深海探索方面取得的成就，课文结尾呼吁人类通过国际合作共同进行深海探秘。读写部分的范文描述了神秘的北纬 30 度，并列举了目前对北纬 30 度神秘现象的一些解释。通过本板块的学习，学生能够加深对单元主题的理解和认识，培养探索求真的精神，增强人类命运共同体的意识，进一步提升语言能力和思维品质。 教学目标 1. 引导学生理解课文内容，了解人类深海探索的历史、发现以及中国在深海探索方面取得的成就； 2. 引导学生在理解课文内容的基础上，加深对单元主题意义的认识，树立敢于探索未知、科学求真的积极态度； 3. 引导学生通过学习范文，掌握书面介绍某个未解之谜的文体结构和写作特点，并运用本单元所学语言知识，通过调查研究描述一个未解之谜。 教学重点 1. 带领学生了解人类探索深海的相关信息及北纬30度线的相关神秘事件； 2. 引导学生学习介绍神秘事件的文体特点。 教学难点 1. 引导学生进行模仿创作； 2. 引导学生敢于探知未来，科学求真。 教学策略 P-W-P模式 Teaching contents Procedures Purposes Teacher’s activity Students’ activity Activity 1 1. Teacher asks students to observe the picture and answer Question 1. 2. Teacher asks each group to have a discussion of Questions 2 and 3. 3. Teacher asks each group to share their ideas and make some comments. 1. Students watch the pictures and answer the question. 2. Students work in groups and discuss about the questions. 3. Students listen to the presentations. To introduce the topic and guide students to get some basic knowledge. Activity 2 1. Teacher asks students to read the the passage and answer the question in Activity 1. 2. Teacher asks some students to share their answers. 1. Students read the passage and find out the answers. 2. Some students share the answers. To get a general idea of the passage. Activity 3 1. Teacher asks students to read the passage carefully and find out the answers for Activity 3. 2. Teacher asks student to each group to have a discussion and decide the correct answers. 3. Teacher asks some representatives of groups to share answers. 1. Students read the passage carefully and fill in the blanks for Activity 3 2. Students work in groups and exchange their answers and discuss the correct ones. 3. Some students share the answers. To help students to get the structure of the passage. Think & Share Teacher asks students to answer questions. Students think about and answer the questions. To enhance students’ understanding of the meanings and reasons why humans explore the unknown. Activity 4 1. Teacher asks students to study the diagram. 2. Teacher encourages each group to choose any aspect of the effects and talk about it. 3. Teacher invites representatives from each group to present their ideas. 4. Teacher guides students to reflect on how well they have done in this part. 1. Students study the diagram. 2. Students work in each group and choose any aspect to talk about. 3. Some students share their answers with the class. 4. Students reflect on their performance. 1. To further understand the meaning of the theme. 2. To practise students’ speaking ability. Activity 5 1. Teacher asks students to observe the 3 pictures and predict the content. 2. Teacher asks students to read and answer Questions 1-3. Then check the answers with students. 3. Teacher asks students to work in groups and discuss about Question 3. 4. Teacher asks some students to share their ideas. 1. Students observe the pictures and predict. 2. Students read the passage and answer the questions. 3. Students work in groups and discuss Question 3. 4. Some students share their ideas. To prepare students for the later section. Activity 6&7 1. Teacher asks students to read the passage in Activity 5 again and learn the way of writing a mystery. 2. Teacher asks students to do research on a mystery and complete the table in Activity 6. 3. Teacher asks students to write an article according to the information found. 4. Teacher asks students to work in pairs and exchange their works by giving suggestions for each other. 5. Teacher asks some students to share their works. Then make some comments. 1. Students read the passage in Activity 5 again and learn the way of writing a mystery. 2. Students do research on a mystery and complete the table in Activity 6. 3. Students write an article about a mystery. 4. Students work in pairs and exchange their works and give suggestions to each other. 5. Some students share their works. To have an output by using the expressions and structures learnt in this unit. 1 学科网（北京）股份有限公司 $$