Unit 5 第2课时 Section A (3a-3d)-【木牍中考·名师教案】2026-2027学年九年级上册英语（人教版·新教材）

该初中英语教学设计围绕“发明”主题，核心知识点涵盖单词invent、短语all time等及相关句型，重点理解收音机对话并练习发明影响表达，难点为被动语态灵活运用。通过提问“最有用的发明”引导学生分享，搭建新旧知识联系的学习支架。 资料特色在于任务驱动的教学流程，3a-3b阅读梳理收音机发明信息培养思维品质，3c-3d角色扮演与思维导图制作提升语言能力和学习能力。学科特色结合对话实践与语法运用，助力学生掌握被动语态，提升信息处理与表达能力，为教师提供清晰教学路径和反思方向。

第二课时　Section A （3a-3d） ◇目标导航◇ 类别 课时要点 重点单词 invent v.发明 重点短语 all time一直；有史以来 around the world全世界 have a big effect on对……有重大影响 重点句型 1.It also had a big effect on music.它也对音乐产生了重大影响。 2.And because of the radio，some other important inventions were developed as well.而且由于收音机的出现，其他一些重要的发明也相继被研发出来。 3.Suddenly，news could be spread around the world in seconds.突然间，消息可以在几秒钟内传遍全世界。 4.The radio made it much easier for people to enjoy music from artists around the world.收音机让人们能够更加容易地欣赏来自世界各地艺术家的音乐。 教学重点 1.Help students understand the conversation about the most useful invention—the radio. 2.Guide students to practise conversations about great inventions and their influences. 教学难点 Enable students to flexibly use the passive voice to talk about inventions and express their own opinions. ◇教学过程◇ Step 1 Leading in Greet the class and ask：“What do you think is the most useful invention in the world？Why？” Invite students to share their ideas. Step 2 Work on 3a-3b 1.Ask students to read the conversation in 3a silently and answer：“What does Peter think is the most useful invention of all time？” 2.Check the answers.Then ask students to read the conversation again and complete the chart in 3b about the inventor，time and influence. 3.Invite students to share their answers.Discuss the importance of the radio with the class.Explain key language points and passive voice structures. Step 3 Work on 3c-3d 1.Ask students to listen to the conversation and pay attention to stressed information，and then role⁃play it in pairs. 2.Invite several pairs to act out and give feedback. 3.Ask students to choose another important invention，make a mind map and describe it to partners.Encourage students to use the passive voice correctly and give positive comments. ◇教学反思◇ 　　本节课通过对话了解经典发明——收音机的相关知识，学生能梳理出核心信息，完成对话练习。但部分学生对被动语态的句子理解不到位，制作思维导图时逻辑不够清晰，后续需简单铺垫被动语态知识，加强信息梳理能力的训练。 1 立足安徽 精准备考 1 / 1 学科网（北京）股份有限公司 $