Unit 6 Section A 1 (1a-2d) 教学设计 2024-2025学年人教版九年级英语全册

Unit 6 When was it invented? 课题:Section A 1 (1a-2d) 年 月 日 备课人 执教人 时间 第 周 星期 第 节 总课时 教材分析 本单元以“Inventions”为主题，深入探讨了人类历史上各类重要发明的创造历程及其对社会生活产生的深远影响。这一主题的设定，旨在通过多元化的教学内容，不仅拓宽学生的知识视野，而且培养学生运用英语进行科技话题讨论的能力，使他们在语言实践中增长见识、提升素养。 学情分析 在九年级英语教学的过程中，深入了解学生的学情是制定有效教学策略的基础。以下是对九年级学生英语学习情况的全面分析，包括已知内容、新知内容、学生学习能力以及学习障碍突破策略四个方面。 预设 目标 At the end of the class, the students will be able to: 1. learn to understand and use the passive voice(past tense) be + v (ed). 2. learn to listen for the details. 3. learn to talk about the history of inventions. 教学 重难点 1. Key vocabulary:   style, project, pleasure, daily, website, pioneer, list, mention... with pleasure, such a great invention, in our daily lives, have a point... 2. Key sentences:  a. - When was the telephone invented?    - I think it was invented in 1876. b. - What is it/are they used for? - It's/They're used for… c. For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893. 3. Structure: S+was/were+past participle… Practice passive voice in the past tense in listening and speaking.Learn when to use passive voice. 教具 准备 radio、tape、ppt 教学过程 Step1. Warming up 1.Ask Ss to have a discussion about China’s great four inventions. 2.Make Ss look at the pictures. Ask and answer the following questions. What is it? Who and when was it invented… 设计意图:讨论中国四大发明，通过图片认识表达四大发明的名词 Step 2.Lead-in 1.Show some pictures for Ss to look and know something about the inventors of the inventions. 2.Ask Ss to match the inventions with the right inventors. 设计意图:通过图片了解发明家及其发明，导入1a。 Step3.Presentation Work on 1a. 1. Show some pictures of inventions for Ss to look. In what order do you think they were invented? Discuss them with your group. Then number them[1-4] (1=first, 4= last) 2. Check answers and ask Ss to make up sentences with was invented. 3. Read the sentences. 设计意图:将1a的4个图片按时间顺序排列好并用被动语态表达出来，朗读。 Step4.Listening Work on 1b,1c. 1. Play the tape for Ss to listen and match the inventions with the years. 2. Listen again and answer the questions. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. A: When was the telephone invented? B: I think it was invented in 1876. 3.Make Ss work in pairs. Ask and answer the questions about the inventions with when and who. - When was the TV invented? - It was invented in 1927. - Who was it invented by? - It was invented by Baird. 4. Look at the pictures and learn “be used for”. 设计意图:完成1b并大声朗读句子。训练学生的口语表达能力，学习be used for为2a和2b听力做铺垫。 Step 5.Listening &Pair work   Work on 2a: T: Tell Ss they will hear some interesting inventions. 1. Look at the pictures in 2a. Discuss the things what they are used for. 2. Play the recording for the Ss to listen and number the pictures. 3. Play the recording again to check the answers. Work on 2b: 1. Let Ss read the chart below. Explain some main sentences for the Ss. Make sure they know what to do. 2. Play the recording for the Ss to fill in the blanks. 3. Play the recording again to check the answers. 4. Listen again and fill in the blanks. Pair work (2c) 1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss. A: What are the shoes with special heels used for? B: They are used for changing the style of the shoes. 2. Let some Ss make conversations using the information in 2b. 3. See which group does the best. 设计意图:听2a和2b完成各自的听力任务。然后创造真实的语言环境，学生利用2b的对话信息进行交谈。熟练听力的基本句型。 Step 6 Role -play Work on 2d. 1. Play the tape for Ss to listen and repeat. 2. Work in pairs to role -play the conversation in 2d. 3. Make Ss read the conversation and answer the questions. 4. Ask Ss to have a summary about the zipper. 5. Read more about the inventor Whitcomb L. Judson 6. Work in pairs. Talk about the Top 10 inventions that changed the world. 设计意图:分角色朗读使学生理解每一个角色的表达任务以及情感。扩展阅读材料使学生开阔视野，了解更多关于发明物和发明者的信息。 Step 8 Exercises 1.Show some exercise to practice the key words, the target language and key sentences. 2. Check the answers one by one. Step 9 Homework 1．Role－play the conversation in 2d and make a new one. 2．Write the sentences about the three inventions in 2a，using is/are used for. 3．Translate the following sentences into English. (1)电话是1876年发明的。 ______________________________________________________________ (2)汽车是什么时候发明的？ ______________________________________________________________ (3)小发明改变了世界。 ______________________________________________________________ 设计意图:作业既设计了听力、对话表演等练习本课时的重点句型，也设计了开放性的作业，开阔学生的视野。 板书 设计 Unit 6 When was it invented? Section A 1 (1a-2d) telephone：1876car：1885 television：1927personal computer：1971 I think it was invented before the car. When was it invented？It was invented in… What is it used for? What are they used for? have a point，　It mentioned that… 教学反思 This is the period for listening and speaking practice.Before listening，students talk about the four common things and get the words ready for listening.Then students listen and make conversations.The most important thing is to learn the passive voice in the past tense and teach students past participle forms.We should learn some new words about this topic in 2d.We can get the students to practice the structure “be used for…” “Who was it invented by？” and “It was invented by…” 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$