Unit 5 课时6 Section B 3a-3c（教学课件）英语新教材人教版九年级上册

该初中英语课件围绕“介绍发明”的写作主题展开，通过课堂导入环节谈论飞机、便利贴等发明并观看相关视频激活兴趣，结合Pre-writing阶段阅读飞机发明语篇、用思维导图梳理发明者、时间、原因等关键信息，搭建从信息输入到写作输出的学习支架。 其亮点在于以语言能力、思维品质和学习能力培养为核心，Pre-writing用图表梳理信息培养分析能力，While-writing提供包含“be invented by”“have difficulties in”等重点句型的写作模板提升表达准确性，Post-writing通过同伴互评和三维评价标准（内容、语言、结构）促进反思。学生能提升写作逻辑与自主学习能力，教师可借助结构化流程和评价工具提高教学效率。

Unit 5 Power of Ideas Section B 3a-3c 主讲人：xx 课型：写作课 通过阅读关于飞机发明的语篇，获取莱特兄弟的发明动机、发明过程及飞机对世界的影响等关键信息，借助图表梳理每段主旨大意。（学习理解） 01 运用被动语态和本课重点句型，根据写作框架整理所选发明的信息要点（发明者、时间、原因、材料、困难、影响），完成笔记记录。（应用实践） 02 选择一项感兴趣的发明，独立收集资料并运用被动语态写一篇介绍短文，从发明动机、过程、影响等方面进行清晰描述。（迁移创新） 03 学习目标 Lead in 01 Pre-writing 02 While-writing 03 Post-writing 04 Summary 05 Language points 06 Exercises 07 Homework 08 Contents Lead in 01 Lead in Talk about them. 1a What are these inventions? Who invented the plane? How did planes change our life? plane sticky notes papermaking 3D printing Lead in Watch a video and find out how the plane was invented? Pre-writing 02 Pre-writing Read the text and complete the chart. 3a The plane Orville Wright and Wilbur Wright (the Wright brothers) They wanted to fly like birds. Get gliders into the air; control flying gliders Learned flying rules from birds, added an engine to gliders In December 1903 Make travel easier and faster; shorten the distance between countries Pre-writing Read the text and complete the chart. 3a 开头段：what, who, why 中间段：how ＆what challenges 结尾段：what effects While-writing 03 While-writing Choose a great invention you are interested in. Do some research and make notes about it. 3b _________was invented by ____________in _______________. It was invented because ________________________________. It was made of / from __________________________________. The inventor had difficulties in ___________________________. The invention was responsible for /led to ___________________ ____________________________________________________. +人 +年 看得出原材料 看不出原材料 +doing 在做某事方面遇到困难 发明的初衷 造成，带来......影响 造成，导致 While-writing Choose a great invention you are interested in. Do some research and make notes about it. 3b _________was invented by ____________in _______________. It was invented because ________________________________. It was made of / from __________________________________. The inventor had difficulties in ___________________________. The invention was responsible for /led to ___________________ ____________________________________________________. For example: Sticky notes Spencer Silver and Arthur Fry 1968 people needed small marks to mark pages in songbooks. special sticky paper making strong glue at first more convenient study and office life. While-writing Write about the invention you have chosen using the information from 3b. 3c 开头段：what, who, why 中间段：how ＆what challenges 结尾段：what effects 如果有困难，可以参考下面的模板： _______ is one of the greatest inventions in the world. It was invented by _______ in _______. The inventors created it because they wanted to _______. At first, the inventors had great difficulties in _______. They tried many times and learned lessons from _____(解决办法).Later, they made some improvements and finally made the invention come true. This invention greatly changed people’s life. It led to / resulted in _______(便利或者改变). Now it is widely used everywhere and gradually becomes an important part of our daily life. Post-writing 04 Post-writing Pair work to evaluate your writing. Evaluation content 1.包含发明物、发明者、发明缘由 2.写出发明遇到的困难与过程 3.交代发明带来的影响 language 1.一般过去时被动语态使用正确 2.单词拼写、名词单复数基本无误 3.会使用本课重点短语（lead to / have difficulties in） structure 1.文章分为开头、中间、结尾三段 2.段落分工清晰，不混乱颠倒 3.语句前后逻辑通顺连贯 Post-writing Example: Sticky notes is a great everyday invention. It was invented by two scientists in 1968. At first, Silver failed to make strong glue, which brought weak sticky glue. Later, Fry found its new use to mark his songbook. The inventors had difficulties in finding proper use for the glue. Finally, this small invention resulted in huge production. Today, sticky notes are widely used all over the world and gradually become necessary for students and workers. Read and compare. Language points 05 Language points 词 讲 练 be looking to do sth. 试图找到做某事的方法 核心用法：多用于书面表达，描述人当下的目的、打算，课文原句体现发明者最初的初衷 However, the inventors were not looking to change the world. 然而，发明者原本并不打算改变世界。 He is looking to invent a new kind of small printer. 他打算发明一款新型小型打印机。 1. The Wright brothers were not looking ________ (make) money at first. 2. Our company looks __________ (produce) more new products next year. 3. She is looking ________ (control) the small plane well. to make to produce to control Summary 06 Summary How to introduce an invention. 开头段：what, who, why 中间段：how ＆what challenges 结尾段：what effects ... is one of the greatest inventions in the world. It was invented by ...in ... People created it to… / It was invented because… At first, the inventors had difficulties in ... They tried many times and finally made the invention come true. To their surprise, the simple idea resulted in a great invention. It led to / resulted in faster travel and better communication. Nowadays, it is widely used all over the world. It makes the world become much smaller. Exercises 07 Exercises 现如今许许多多发明深刻改变了人们的生活，请你介绍一项伟大发明——the bicycle（自行车）。 写作要求： 1. 文章分为三段，依次介绍发明基本信息、研发过程与遇到的困难、发明带来的影响； 2. 必须用到本单元重点短语：be invented by, have difficulties in doing, lead to, be looking to do；能够恰当使用produce / product / production； 3. 词数：80~110词，语句通顺，语法正确，不得出现真实人名、校名。 书面表达。 Homework 08 Homework 基础作业 拓展作业 实践作业 完成本课重点单词（如 inventor, glider, engine, flight, communication, challenge, solve等）的抄写与默写，并完成课本3a的阅读填表任务。 从本课3a的阅读短文中，找出所有被动语态的句子，按“一般过去时被动”和“情态动词被动”两类分别抄写至少2个例句，并总结一般过去时被动语态的结构规律。 选择一项你感兴趣的发明（如飞机、电话、电脑等），用英文写一段60-80词的短文，介绍其发明者、发明时间、遇到的挑战及影响，其中至少使用3个一般过去时被动语态句子。 Thank you for listening $