Unit 6 Section B 3a-Self check 课件 2024-2025学年人教版九年级英语全册

Unit 6 When was it invented? Section B (3a-Self check) 教-学-评一致性写作课示范课 人教新目标版 九年级(上册) 1.通过观看图片和信息，能够用被动语态谈论学过的发明；通过观看视频图片，能够正确地回答问题，能够写一篇关于茶的发明的文章，为下面的写作训练练笔。 2.阅读一篇新的发明的文章，通过完成句子填空，回答问题，能够说出文章的结构，内容要素等；能够说出如何写一篇文章介绍自己的发明。 Learning Objectives 3.通过完成3a\3b,能够在写作指导的帮助下，独立完成写作任务，通过自评互评，能够对自己的文章进行修改，二次加工。通过写作，能够说出发明在生活中无处不在，学会发明。 Look and say Activity 1 Lead to objective 1 test it 评价标准：根据图片,用给出的信息练习对话，谈论发明，俩俩对话，互相问答，每个发明谈论3个问题，6个话轮。本活动共6分。 我得（ ）分。 What inventions have been mentioned in this unit? computer car zipper TV telephone basketball tea potato chips A: When\How was\were …invented? B: … A: Who was\were it\they invented by? B: … A: What is\are it\they used for? B: … John Neumann/1946 surfing the internet Karl Benz\1886 traveling Bell/1876 communicating Baird/1925 watching news 1893/Whitcom Judson used widely/shoes/bags Geoge crum/1863 by mitake James Naismith/1893 played on a hard floor Shen Nong/5000 ago by accident Can you talk about them according to the questions? Watch and answer Activity 2 Lead to objective 1 test it 评价标准：观看视频，回答问题，回答正确1个问题得1分。本活动共4分。 我得（ ）分。 Watch a video and answer the questions. 1. When was the paper invented? 2. What was the paper made of at first? 3. Who and improved the paper-making process? And when? 4. What was the paper made from then? It was invented 2000 years ago. It was made of silk. Cai Lun improved the paper-making process 1900 years ago. Cai Lun made cheap paper out of tree bark(树皮)and rags(破布). Do you know how to write a passage to introduce a kind of invention? Look and say Activity 3 Lead to objective 1 test it 评价标准：根据提示和表格内容，写1篇文章介绍茶，注意内容可以参考3a，注意分段时态等。本活动共15分。 我得（ ）分。 Can you write a passage to introduce tea. tea/5,000 years ago Sheng Nong/by accident 假如你是茶文化博物馆的讲解员,明天你要用英语向一批外国游客介绍茶的发明史。请根据提示,写一篇80词左右的书面介绍。 要求：1.思路清晰，语句通顺，书写规范。 2.正确使用被动语态。 话题 文体 人称 时态 结构 Para. 1 开门见山——介绍茶的发明 Para. 2 细节介绍 Para. 3 总结全文，升华主题 介绍茶 说明文 以第三人称为主 一般过去、一般现在 who, when, how, where Learn and write Activity 3 Lead to objective 1 test it 评价标准：根据提示和表格内容，写1篇文章介绍茶，注意内容可以参考3a，注意分段时态等。本活动共15分。 我得（ ）分。 Do you know how to write this passage? When Who Process Where 大约5000年前，茶最 先被喝。 Tea was first drunk about 5000 years ago. 据说，茶是被神农发明的。 It is said that tea was invented by She Nong. 如今茶在全世界被人们喜爱。 Today tea is loved all over the world. First, Shen Nong was ________(boil) drinking water. Then, some _______(leaf) _____(fall) into the water and _________(remain) there _____ some time. Next, it __________ (produce) a nice smell. At last, Shen Nong decided _______(taste) the water and found it delicious. boiling leaves fell remained for produced to taste by accident Look and write Activity 3 Lead to objective 1 test it Do you know how towrite this passage? Para. 1 点明主题——介绍茶的发明 茶是世界上最受欢迎的饮料之一。 我想介绍一下它是如何被发明的。 Tea is one of the most popular drinks in the world.I would like to introduce how it was invented. Para. 2 细节介绍：who, when, how, where 据说茶是神农被发明的。一天，神农正在篝火上烧水。然后，一些茶树的叶子掉到水里，在那里呆了一段时间。它产生一种令人愉快的气味。最后，神农决定尝尝水，他发现它很美味。 It is said that tea was invented by Shen Nong. One day, Shen Nong was boiling drinking water over an open fire. Then, Some leaves from a tea plant fell into the water and remained there for some time. It produced a pleasant smell. At last, Shen Nong decided to taste the water and he found it delicious. Para. 3 总结全文，升华主题 总之，茶是被偶然发明的。如今，茶被视为中国传统文化的象征，被全世界喜爱。 In short, tea was invented by accident. Nowadays, tea is seen as a symbol of Chinese traditional culture and is loved all over the world. Read and learn Activity 3 Lead to objective 1 test it 评价标准：根据提示和表格内容，写1篇文章介绍茶，注意内容可以参考3a，注意分段时态等。本活动共15分。 我得（ ）分。 Do you know how towrite this passage? How Tea Was Invented Tea is one of the most popular drinks in the world. 茶是世界上最受欢迎的饮料之一。I would like to introduce how it was invented. 我想介绍一下它是如何被发明的。 It is said that tea was invented by Shen Nong. 据说茶是神农被发明的。One day, Shen Nong was boiling drinking water over an open fire. 一天，神农正在篝火上烧水。Then, Some leaves from a tea plant fell into the water and remained there for some time. 然后，一些茶树的叶子掉到水里，在那里呆了一段时间。It produced a pleasant smell. 它产生一种令人愉快的气味。At last, Shen Nong decided to taste the water and he found it delicious. 最后，神农决定尝尝水，他发现它很美味。 In short, tea was invented by accident. 总之，茶是被偶然发明的。Nowadays, tea is seen as a symbol of Chinese traditional culture and is loved all over the world. 如今，茶被视为中国传统文化的象征，被全世界喜爱。 Look and say Lead to objective 2 What’s wrong with Cindy? She can’t find her glasses. How can she find her glasses now? She can press the button. Read and fill Activity 4 Lead to objective 2 test it 评价标准：根据上下文和用所给单词的适当形式填空，填写正确1个空格得1分。本活动共8分。 我得（ ）分。 Read Cindy’s article about her new invention. Fill in the blanks with the correct words. I’d like to introduce my new invention to you. It is an alarm on your glasses. It ____________ (invent) three months ago. Because it _______ (make) of plastic, it is very light. It _______ (use) for _______ (find) your glasses in your home or at school. The alarm ___________ (control) by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, ______ the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can _______ one. Don’t you hate it when you can’t _____ your glasses? If so, please come to me and buy one. was invented is used is made is controlled finding follow afford find Read and answer Activity 5 Lead to objective 2 test it 评价标准：再读短文，找出所给问题得答案，在文章中圈出答案，正确找出1个答案得1分。本活动共6分。 我得（ ）分。 Read the article again and answer the questions. Mark the basis for your answers. I’d like to introduce my new invention to you. It is an alarm on your glasses. It was invented three months ago. Because it is made of plastic, it is very light. It is used for finding your glasses in your home or at school. The alarm is controlled by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, follow the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can afford one. Don’t you hate it when you can’t find your glasses? If so, please come to me and buy one. 1. What invention is it? 2. When was it invented? 3. What is it made of? 4. What is it used for? 5. How does it work? 6. How much is it? Look and find Activity 6 Lead to objective 2 test it 评价标准：再读说出文章的结构，嫩够说出文章得3部分，每1部分得1分，共3分；能够说出第二部分包含的具体内容再得4分，最多说4个方面。本活动共7分。 我得（ ）分。 Read the article once more and find out the outline of the passage. I’d like to introduce my new invention to you. It is an alarm on your glasses. It was invented three months ago. Because it is made of plastic, it is very light. It is used for finding your glasses in your home or at school. The alarm is controlled by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, follow the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can afford one. Don’t you hate it when you can’t find your glasses? If so, please come to me and buy one. Beginning Body Ending Usage Name ＆Time Instruction Price Recommendation Look and say Lead to objective 2 Do you know how to introduce an invention? Beginning Body Recommendation I’d like to introduce…/This is my new invention…/My new invention is… It was invented… Because it… It is used for… First… then… It costs… Do you want to buy one? Don’t you…? If so, please… Before writing Look and say Lead to objective 3 test Have you ever come across any difficulties in your daily life? like to invent to solve them? What inventions would you Can we invent something new to solve those difficulties? I am not able to take notes quickly in class. It’s very hard for me to get up early. I can’t do homework correctly. Before writing Activity 7 Lead to objective 3 test it 评价标准：想出一个不喜欢做的事情，然后再想出一个发明来帮助你，填写3a的内容，填出1项得1分，然后再思考几个问题，想出1个得1分。本活动共7分。 我得（ ）分。 3a Think of something that you do not like to do. Then think of an invention that could help you. Make notes. Problem : . New invention : . What it is used for : . taking notes quickly in class a special pen quickly taking notes in class Can you think about more details about this pen? What is it made of? What special thing does it have? What does it look like? How can it help you? While writing Activity 8 Lead to objective 3 test it 评价标准：根据3a的笔记和下边的细节问题，写1篇文章介绍特别的笔的发明，注意时态，人称，内容，分段等。本写作活动共15分。 我得（ ）分。 3b Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 假如你是一个商人，你有一项新发明。请以A special…为题介绍一下你的新发明，并将它推销给你的同学们。词数80-100。开头已给出，不计入总词数。 While writing Activity 8 Lead to objective 3 test it 评价标准：根据3a的笔记和下边的细节问题，写1篇文章介绍特别的笔的发明，注意时态，人称，内容，分段等。本写作活动共15分。 我得（ ）分。 细心审题 定体裁：说明文 定人称：介绍一项发明，人称为第三人称，表达想法为第一人称 定时态：一般为一般现在时和一般过去时 定语态：主要用被动语态 话题分析 本单元的话题是“Invention (发明)”。 写作内容通常要求根据图表或文字提示介绍发明物的相关情况（历史、用途、特点等），或者针对生活中的实际情况，提出自己的发明建议。 写作时，要求学生能够运用本单元的语言知识，尤其是一般过去时的被动语态来组织语言。 While writing Activity 8 Lead to objective 3 test it 评价标准：根据3a的笔记和下边的细节问题，写1篇文章介绍特别的笔的发明，注意时态，人称，内容，分段等。本写作活动共15分。 我得（ ）分。 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 is used for … 它被用来…… 5. … is made of ………是由……(材料)制成的 写作思路 首先，使用3b句型介绍发明的产品发明人名称； 其次：根据3a提示，使用句型介绍类型、用途及其制作材料等； 最后：介绍自己的使用感受效果等, 建议同学买一个。 注意：要恰当运用被动语态，检查时态、句子结构等是否正确。 While writing Activity 8 Lead to objective 3 test it 评价标准：根据3a的笔记和下边的细节问题，写1篇文章介绍特别的笔的发明，注意时态，人称，内容，分段等。本写作活动共15分。 我得（ ）分。 范文展示 Hi, boys and girls. I have a special invention. This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly in class. It was invented in 2012. It is made of plastic and steel. It can remember what the teacher said. It is very useful if you have a lot to write down. The pen can store a list of common words that you will use. When you are writing, you just need to write the short forms with the pen, press a button on the pen the related words will appear. It can also help write down the main points. Besides, it can also turn our voice into actual words. I think it’s a useful invention. Do you like it? If you like it, please call me at 13562327969. While writing Activity 9 Lead to objective 3 test it 评价标准：根据内容要求，写1篇文章介绍世界上最伟大的发明。本活动共15分。 我得（ ）分。 科技节要到了，学校举办主题为 “The Greatest Invention”的英语演讲比赛，请你写一篇不少于80词的演讲稿。 必须包括以下要点： 1. Introduce the invention 2. What's it used for? 3. Why do you like it? It’s time to write. 体裁：说明文             时态：介绍发明要用一般现在时 人称：第三人称 While writing Activity 9 Lead to objective 3 test it 评价标准：根据内容要求，写1篇文章介绍世界上最伟大的发明。本活动共15分。 我得（ ）分。 Beginning Body Ending Usage Name ＆Time Instruction Price Recommendation It was invented… Because it… It is used for… First… then… It costs… How to introduce an invention Thanks to …, ours lives have been greatly improved. There have been many great inventions that have changed …But…is the greatest invention in my mind. Outline While writing Activity 9 Lead to objective 3 test it 评价标准：根据内容要求，写1篇文章介绍世界上最伟大的发明。本活动共15分。 我得（ ）分。 The Greatest Invention There have been many great inventions that have changed our lives. But the light bulb is the greatest invention in my mind. It was invented in 1854.It was invented by Thomas Edison. And it is used for seeing in the dark. It's made of glass and looks like a ball.It has brought bright to the world since it was invented. With light bulb, people can do more things than before. I think it’s a great /useful/invention. I believe that it is a small invention that changed the world. What's more,Thomas Edison was a great inventor. I also want to be an inventor like him. While writing Activity 9 Lead to objective 3 test it 评价标准：根据内容要求，写1篇文章介绍世界上最伟大的发明。本活动共15分。 我得（ ）分。 Key points Check Good Structure 3’ Good sentences 3’ Correct grammar/spelling 5’ Good logic 2’ Tidy writing 2’ Check List 互评 After writing Look and say Lead to objective 3 In fact, inventions are everywhere in our life. They are useful and helpful . After writing Activity 10 Lead to objective 3 test it 评价标准：根据上下文，选择所给单词并用正确形式填空，填写正确1个空格得1分。本活动共5分。 我得（ ）分。 Self Check invent all of a sudden doubt websites mention After writing Activity 11 Lead to objective 3 test it 评价标准：根据要求，把主动语态变成被动语态，填写正确1个句子得1分。本活动共5分。 我得（ ）分。 Self Check My watch was stolen (by someone). When was the personal computer invented? Five eggs were used to make this big cake. We were asked not to run in the hallway (by them). The video was taken back to the store (by someone). After writing Activity 12 Lead to objective 3 test it 评价标准：想出1个发明，填写发明的信息，填写正确1个信息得1分。本活动共4分。 我得（ ）分。 Self Check in 2013 umbrella with a light Li Meng seeing in the rain in the dark It is used for seeing in the rain in the dark . It is used to see in the rain in the dark . It was invented in 2013. It was invented by LiMeng. self-evaluation 本节课共97分 ，我共得（ ）分。 我的评价等级（在等级括号内打钩）： 获得至少80分 ，优秀（ ）； 获得至少70分 ，良好（ ）； 获得至少60分 ，合格（ ）。 【学后反思】 一、完成自我评价表： 1.本节课我写了作文有___________篇，能完全写完的作文有：___________________________________________________篇; 还不能写完的有：___________________________________________________________________________篇　　 2.对我有帮助的学习方法有（请在括号里打钩）： (  )(1)能通过老师的写作指导，学会了写作文       (  )(2)通过自己评价修改作文和同伴批改作文，学会了和同学合作 (  )(3)通过本节课得作文练习，知道了以后写作文从什么地方下笔 ( )(4)通过本节课学习，知道了想写好作文，要积累一些重要句型和英语格言谚语等。 Homework Revise your composition. 2. Preview the new words and expressions in Unit 7. 3.计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间(1946年）、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。 要求：1.意思连贯，语句通顺；词数不少于80。 $$