Unit 6 课时6 Section B（3a-Self Check）（课件）英语人教版2012九年级全一册

Unit 6 When was it invented ? 课时：Section B 3a-Self Check 人教版九年级全一册 课型：写作课 学习目标 掌握常用词汇及句型: nearly,decide on, come up with 等;用英语介绍某一项发明。（学习理解） 1 熟练掌握被动语态用法； 学会使用被动语态介绍某项发明。（应用实践） 2 通过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，培养学生的创造精神。（迁移创新） 3 目录 Lead in 1 Pre-writing 2 while-writing 3 post-writing 4 Summary 5 Exercises 6 Homework 7 01 Lead in Lead in Lead in How to introduce them ? When was it invented? Who was it invented by? It was invented in/by… Lead in How to introduce them ? What is it/are they used for? Why are they invented by? They are used for… Lead in How to introduce them ? Who was it invented by? How was it invented? What are the influences? It was invented by ... One day,... Lead in How to describe an invention? When and wherewas it invented by? Who was it invented? How was it invented? What is it used for? What are the influences of it? 02 Pre-writing Pre-writing Ask and answer in pairs. A: What invention is it? B: … A: Who was it invented by? B: ... A: When and where was it invented?… Pre-writing Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 3a ·Problem: __________________________ ·New invention: _____________________ ·What it is used for: ___________________ quickly taking notes in class a special pen taking notes in class Can you think about more details about this pen? What does it look like? What is it made of? What special thing does it have? How can it help you? Pre-writing How to introduce an invention 3 4 1 2 5 who when how ...was/were invented by... ...invented ... in+ 年份 on+月，日，年 at the same time although because.... in order to..... There be... color,shape,size what why Pre-writing 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。 Pre-writing How to introduce an invention? 开篇点题 详尽描述 表达观点 How to introduce an invention? 开篇点题 详尽描述 表达观点 How to introduce an invention? What Show opinion What,How Beginning Body Ending Pre-writing How to introduce an invention? 开篇点题 详尽描述 表达观点 How to introduce an invention? This is ... ...was invented by/in... It is made of…/It looks like… It was used to/for … It can not only … but also … Without doubt I like … because … 03 while-writing While-writing Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b This special pen was invented by Liu Jie. It has three colors and is used for … Beginning Body Ending Don’t you…? If so, please… It was invented… Because it… It is used for… First… then… I’d like to introduce… /This is… While-writing daily lives日常生活 be made of/from 由……制成 by accident 偶然；意外地 be used to/for 被用来…… at that time 在那时 without doubt 毫无疑问；的确 not only … but also … 不但……而且…… thanks to 由于；多亏 While-writing 开头句： Among all the modern inventions, I think … is the most important one. I think … is such a great invention. In my opinion, … is one of the greatest inventions. While-writing 中间句： It was invented … ago. It was made of/from … It was used to/for … This invention can not only … but also … This invention made it … for sb. to do sth. 结尾句： Thanks to …, our lives have been greatly improved. Without doubt I like … because … … play(s) an important part in our daily lives. While-writing 【常用的关联词】 1. 开头常用词语： as far as we know 据我们所知 as everybody knows 众所周知 at present 目前 first of all 首先 tell the truth 老实说 2. 结尾常用词语： after all 毕竟 in the end 最后 in a word 总而言之 we hope that ... 我们希望 In short 简而言之 clearly 显然 原因 thanks to, because of, because 结果 as a result of, so/therefore, so ... that 转折 however, yet, but 补充说明 not only ... but also ..., furthermore/ What’s more/ besides/ In addition, It is said that ... While-writing Sample writing This special pen was invented by Liu Jie. He invent it because he want to take notes quickly in class. It has three colors and is used for taking notes quickly.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. Besides, it can also turn our voice into actual words. Without doubt I like the special pen because I can take notes quickly in class now. Don’t you think it’s cool? Beginning Body Ending While-writing 实 战 演 练 发明改变世界，不少中学生都梦想成为发明家。某英语报社正组织题为“My invention: ________”的征文活动，请你根据下面的要点提示，写一篇80词左右的英语短文参赛。 要点：1. 你梦想的发明是什么? 2. 这项发明能帮你或他人解决什么问题? 3. 你为什么想发明这个东西? 要求：1.文中不得出现自己的真实姓名。 2.开头已为你写出，不计入总词数。 While-writing 体裁：说明文             时态：介绍发明要用一般现在时 人称：第三人称 在介绍该发明的工作原理时，可以使用表示顺序的词first和then来连接，这是使用逻辑纽带的方式进行衔接的一种方法。 While-writing My invention: Super Shoes I hope to invent a kind of super shoes. Many of us may have to throw away our shoes when they are too small for our feet. This is a great waste. And lost shoes are also bad for the environment. If I could invent a kind of super shoes, there would be no such waste. This kind of shoes is made of a special material, which can grow with your feet and always fit your feet. You don’t have to worry about your shoes being too small or too tight. In addition, if the shoes are dirty, they will start the automatic cleaning function between 12:00 a.m. and 3:00 a.m., and it will automatically dry. So your shoes always look clean. If you walk too much, there will be a massage function at the bottom of the shoes to help you relax your feet. These shoes can not only help us save some time for cleaning and massage, but also are environmentally friendly. It is also good for us to protect the environment. The most important thing is that the shoes are cheap. Beginning Body Ending While-writing ① 题材：本文是一篇材料作文，写自己的一项发明； ② 时态：时态为“一般现在时”； ③ 提示：根据所给提示完成写作，不能遗漏信息，包括想要发明的东西、能解决的问题以及发明的原因等。 [写作步骤] 第一步，介绍想要发明的是什么； 第二步，具体介绍想要发明的原因； 第三步，介绍发明物能解决的问题。 第四步， 总结发明物的优点。 [亮点词汇] ① throw away扔掉 ② be bad for对…有害 ③ not only…but also 不但…而且… [高分句型] ① If you walk too much, there will be a massage function at the bottom of the shoes to help you relax your feet.（if引导的条件状语从句） ② This kind of shoes is made of a special material, which can grow with your feet and always fit your feet.（which引导的非限制性定语从句） 详解 04 Post-writing Post-writing Complete the passage with the correct forms of the words in the box. 1 invent, doubt, mention, nearly, website, all of sudden It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions _____________. So some people _____ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _______ usually _______ more than one inventor when giving information about inventions. invent nearly all of a sudden doubt websites mention Post-writing Rewrite these sentences using the passive voice. 2 1. Someone stole my watch. My watch was stolen (by someone) 2. They used five eggs to make this big cake. Five eggs were used (by them) to make this big cake 3. When did they invent the personal computer? When was the personal computer invented? 4. They asked us not to run in the hallway. We were asked not to run in the hallway (by them) 5. Someone took the video back to the store. The video was taken back to the store (by someone) Post-writing Find out information about an invention you would like to know more about and write sentences below. 3 Invention:___________ When: ______________ Who: _______________ Purpose:_____________ switch plug (断路插头) 2012， 富超穎 (中国) scooter carriage (滑板婴儿车) 2007年 Valentin Vodev (奥地利) 05 Summary Summary How to introduce an invention? 开篇点题 详尽描述 表达观点 How to introduce an invention? ....was invented by/in... Because... It is made of…/It looks like… It was used to/for … It can not only … but also … Without doubt I like … because … 06 Exercises Exercises 一、根据句意及首字母提示完成句子 1.This Chinese novel was t__________ into English last month. 2.We must make sure that the door is l__________ when we go out. 3.The temperature is so l__________ that we all wear our warm clothes. 4.Don't swim in the river！ It's so dirty and the water s__________ terrible. 5.It has been n__________ four years since I last saw him in the countryside. translated locked low smells nearly 35 Exercises 二、用括号内所给单词的适当形式填空 1. I think the soup tastes quite ________ (salt) . 2. The cake ________(smell) terrible. So I didn't eat it. 3. She found that her son had a _________ (music) talent. 4. These _________ (Canada) can speak Chinese very well. 5. Now we can find information on different _________ (website). salty smelt musical Canadians websites 36 Exercises 6. This trip was very _________ (please) . Every­one had a good time. 7. Zheng Chenggong is a great _________(nation) hero in Chinese history. 8. The _________(customer) were angry because the potatoes were not thin. 9. You can ask Xiaoyi, Xiaoai or Siri in your mo­bile phone to________(ring) someone. 10. Many young people look up to these basketball ________ (hero) and want to become like them. pleasant national customers ring heroes 37 Exercises 三、根据提示完成句子 1. 你确实好像有道理。 You do seem _________ _________ _________ _________ . 2. 据说他生病住院了。 ______ _______ _____ _____ he is ill in hospital. 4. 玛丽不仅会唱歌，还会跳舞。 Mary can ________ ________ sing _________ _________ dance. 4. 人们认为足球起源于中国。 ____ ___ ______ ______ football is from China. 5. 中国与西方国家的茶叶贸易发生于19 世纪。 The tea trade from China to Western countries _________ _________ in the 19th century. to  have  a  point It is  said  that not only but  also It  is  believed that took  place 38 07 Homework Homework 1 2 必做题：背诵文章中的重要句子。 探究性作业：根据自我检查3中的信息，写一篇短文来介绍这项发明。 THANKS 感谢观看 人教版九年级全一册 Lavf57.71.100 $Paper纸was a chinese invention two thousand years ago，chinese invented paper making. This, too, was made of soup and was so expensive that only the emperor and aristocrates could afford to use IT. One thousand nine hundred years ago, a unique called蔡伦improved the paper making process。He made cheap fin纸out of three barking rags。The improvement in paper making, spread制，foreign ite and many different types of j were invented by chinese people. One paper, a kind of high quality rice paper fans, shows the charm of traditional chinese painting and collection phy. Jude paper is used to be transcribed chinese classics. Later, chinese drew was spread to west. Through the silk road, thousands of years of culture and civilization were recorded on two and pass to different parts of the world. 纸。抖音。