人教版九年级Unit 6 When was it invented -Section B 3a—3b Self check-ppt课件-(含教案+视频+音频)-市级公开课-(编号：001e1).zip

Unit6 When was it invented? SectionB 3a-Self Check 学习目标 复习巩固本单元的重点单词 、短 语及语法 01 运用被动语态 描写一件物体的发 明 02 鼓励学生保持对发 明探索的兴 趣。 03 The invention was invented in _. It was invented by _. It is used for_ _in a short time. 1903 two brothers taking people from one place to another invention when: who: what: Talk about the inventions invention when: where: what: The invention was invented in _. It was invented in _. It is used for_. 1946; America 我们在介绍一件产品的时候，通常会从哪几个 方面去描述呢？ Invention What is the invention? What is it used for? Who invented it? When was it invented? summary 常用句型 1. I think is a very useful invention. 我认为是一项很有用的发明。 2. was invented by 是由 (某人)发明的 3. was invented in 是在 (某时间)发明的 4. It was used for 它被用来 5. is made of 是由(材料)制成的 Inventions are everywhere in our life video Have you ever come across any difficulties in your daily life? I am not able to take notes quickly in class. Its very hard for me to get up early. Im worried about my everyday homework. Can we invent something new to solve those difficulties? Think of something that you do not like to do. Then think of an invention that could help you. Make notes. Problem: cant take notes quickly in class New invention: a special pen What it is used for: taking notes for me It can take notes automatically. Imagine you are a business person. Write a description of your new invention. This special pen was invented by Liu Jie. It has three colors and is used for Problem: getting up late New invention: a special clock What it is used for: waking me up It can call me up with the voice of my teacher. Problem: doing homework New invention: a robot What it is used for: doing homework with me It can be my favorite homework partner. Now its your turn! Writing Time Play a game 谁的发明最畅销？！ 将有4位同学扮演“推销商”上台向同学们“推销 ”自己的发明，台下的每位同学都有一票选择 权，得票最多的“推销商”获胜。 （注：在“推销”发明时需全程使用英语） Show Time Dare to think ,dare to do! I wish all of you have a brave heart to dream what you want to dream. video 1. Reviseyour composition. 2. Finish the exercises on the textbook. 3. Preview the new words and expressions in Unit 7. Homework Thanks for your listening Unit 6 When was it invented? Section B 3a-Self Check 【教材内容分析】 本课第一部分 3a-3b 为写作板块，继续围绕发明这个话题提供写作练习。这 些活动联系符合学生心理特点，能激发学生发明创造的灵感，在实施教学中鼓 励学生大胆设想大胆想象，并尝试使用本单元所学重点单词、词组和句型来描 述自己的发明。第二部分 Self Check 以发明为话题的框架式写作训练，使学生 进一步巩固本单元所学的词汇和语法知识。 【学情分析】 这是本单元最后一课。本节课主要内容之一就是完成写作任务。3a 内容贴 近学生生活实际，先提出问题，为解决问题而设想发明一种物品。然后完成 3b 内容介绍发明。这种将写作任务层层分解的安排便于学生打开思路，前几 课时介绍的各种发明也给学生提供了范本，确保学生顺利完成写作任务。另外 本节课也对前面课时进行了简单复习与回顾。学生通过练习自我梳理本单元知 识结构。 一、教学目标： 1. 语言知识目标： 1) 复习一般过去时态被动语态的用法。 2) 能够用英语讲述自己所熟悉的某一发明的简单过程。 3) 能用就本单元所学习的寓言故事等语言材料，进行完型填空。并用英语介绍 某一发明的简要过程。 2. 情感态度价值观目标： 了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界， 养成勤于思考，善于发现的好习惯，培养学生的创造精神。 二、教学重难点 1. 教学重点： 1）用英语介绍某一发明的简要过程。 2）掌握本单元所学的词汇、句型及语法知识，并能进行综合练习运用。 3）完成 Self check 部分的练习试题。 2. 教学难点： 用英语介绍某一发明的简要过程。 三、教学方法 使学生通过观察、思考、讨论、交流和合作等方式，在情境中体会语言、掌 握语言的应用。 四、学法指导 在活动中相互探讨、相互交流、相互合作，从而获得知识、技能和情感体 验，发展他们的能力。创建开放式，探究式的课堂，有意识渗透学习策略的训 练。让学生学会使用认知策略；让学生表演对话，实现交际策略；引导学生交 际，主动练习和实践。充分利用多媒体，录音，卡片等是资源策略。 五、教学过程 . Revision 1. Review the expressions and sentences in Section B 1. 2. Check the homework. . Lead i 1. Ask Ss which invention they like best. Ss think about their favorite inventions. 2. Let some Ss talk about their favorite inventions. . Thinking 1. Ask Ss what things they dont like to do. e.g. Problem: quickly taking notes in class. 2. Discuss in group and think of an invention that could help you. e.g. New invention: a special pen What it is used for： taking notes quickly in class 3. Ss discussing the problems and try to make their own notes. 4. Let some Ss read their notes to the class. . Writing 1. Tell Ss to write a description of your new invention. 2. The following sentence structure may help you. 常用句型： I think is a very useful invention. 我认为是一项很有用的发明。 was invented by 是由(某人)发明的 was invented in 是在（某时间）发明的 It was used for 它被用来 is made of 是由(材料)制成的 3.Show time V.Homework 1. Review the unit and read the contents in the whole unit. 2. Finish your composition. 3. Finish the exercises on the textbook. 板书设计板书设计: 教学反思教学反思: This is the last period of the unit. It is important to get the students to use what they have learned in the unit to write something. We will do a lot of work to review the words and expressions about inventions. We can ask the students to make a summary of the passive voice. And then do the exercises.