人教版九年级Unit 6 When was it invented -Section A 1a—2d-ppt课件-(含教案)-市级公开课-(编号：64360).zip

Unit 6 What was it invented ？ （The first period) 人民教育出版社人民教育出版社 九年级全册九年级全册 教学目标和要求 1.Language Golas: Get the students to master the following words and expressions: invent, scoop, operate, mistake, discover. Ability Golas : enable the students to understand and use the new words of this unit. Moral Goals: enable the students to be aware of different inventions around them and set a goal to be an inventor. paper making printing compass gunpowder Chinese inventions I think it is the most helpful invention. Because it helps me search the information that I need. Sometimes I can play games on it and it can make me relaxed and happy. What is it ? computer This is a modern invention. Its very convenient if you want to connect with your friends who are far away from you. You may talk with them if you like. telephone Its a box that we can see the moving pictures and hear sound . Everyone will agree that its fun .It lets us open our eyes and see the world without going out. From it we learn the world . TV Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them 1-4. 1a 2 3 1 4 I think the television was invented before the car. I dont agree with you. I think the television was invented after the car. I think the telephone was invented before the computer. Well, I agree with you. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. 1c When was the telephone invented? I think it was invented in 1876. Listen and match the inventions with the years. 1b _ 1876 _ 1885 _ 1927 _ 1971 d a c b Listen and number the inventions 1-3 in the order you hear them. 2a _ shoes with special heels _ shoes with lights _ hot ice-cream scoop, runs on electricity 1 3 2 n. 鞋跟; 足跟 n. 勺; 铲子 n. 电; 电能 Invention What is it / are they used for? shoes with special heels _ the style of the shoes shoes with lightsseeing _ hot ice-cream scoop _ really cold ice-cream Listen again and complete the chart. 2b changing serving in the dark n. 样式; 款式 The first invention is shoes with _. People always hit their toes on _ on the way to the bathroom at night. So people can use them for _ in the _. Listen again and fill in the blanks. somethin g seein g dark lights The second invention is a special ice- cream _. It runs on _ and becomes hot. Its _ for serving really _ ice-cream. scoopelectricit yuse dcold The last invention is shoes with special _. People can move the heels _ and _. You can _ the heels if you are going to a _ or _ them if you are just going out for _. heels dow n up raise party lowe r shoppin g The passive voice. 被动语态 英语中动词有主动语态和被动语态两种语态. 主动语 态表示主语是动作的执行者,被动语态表示主语是动作的 承受者, 在被动语态中动作的执行者有时用by短语表示 出来. 被动语态的构成: 助动词be+ (及物动词的) 过去分词 一般现在时 一般过去时 am (is, are) + done was (were) + done The passive voice. 被动语态 被动语态的用法: 1. 不知动作执行者时,常用被动语态. eg. My bike was stolen yesterday. This car is made in American. 2. 不必要说出动作执行者时,常用. eg. Rome was not built in a day. 1.3. 为了突出强调动作的承受者时,常用被动语态. eg. Thousands of beaches are polluted (污染). The passive voice. 被动语态 主动语态变被动语态的结构图: Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语 谓语动词过去时宾语时间状语 主语 谓语动词的过去分词 宾语 时间状语 The passive voice. 被动语态 小结：主动语态变为被动语态的步骤小结：主动语态变为被动语态的步骤: : 1. 把原主动句中的宾语转换为被动语态的主语. 2.把动词改为被动形式,即 “be + 过去分词” . 注意 be 动词要按新的主语的人称和数进行变化,时态要和原来 的主动语态的时态保持一致. 3. 原来主动语态句中的主语,如果需要,就放在by后面 以它的宾格形式出现. 如果没有必要就可以省略.其他的 成分 (定语,状语) 不变, 句式也不能变. 用所给动词的正确形式填空： 1) The bike _(fix) up by Xiao Ming yesterday. 2) Sunglasses _ (use) for protecting peoples eyes. 3) A picture _(put) up on the blackboard. 4) French_ (speak) in France. 5) Teenagers should _(allow) to choose their own clothes. was fixed are used is put is spoken be allowed Thank you for listening Bye-bye 一、Knowledg Objects 1.Language Golas: Get the students to master the following words and expressions: invent, scoop, operate, mistake, discover. Ability Golas : enable the students to understand and use the new words of this unit. Moral Goals: enable the students to be aware of different inventions around them and set a goal to be an inventor. Teaching Methods Step 1 Lead-in Tell the students something about Tomas Edison and his inventions. Get the students to brainstorm some other inventions and their inventions. (设计说明：本环节以发明家爱迪生为切入点，引入本课的话题和重 点句型，让学生通过听，说，看的形式，在教师的提示下自我发现 并关注目标语言的形式和用法，同时呈现文中的部分生词和短语， 为学生阅读扫除障碍。） Step 2 Listening 1.Get the students to guess when the inventions in the pictures were invented and ask them to read the dates individually to make sure they can make it . 2. Play the tape for the first time and get the students to match the dates with the inventions and then check the answers. 3.Play the tape for the second time and ask the students to read after the recording so as to be familiar with the new sentence structures . (设计说明：先引导学生通过猜测的方式来谈论听力材料中出现的日 期，再通过检测学生对年份的读法扫除听力过程中可能出现的障碍。 ） Step 3 Practice Write down the inventions according to the dates or inventors. 1.1885_ 2.1876_ 3.1927_ 4.1976_ 5.julie thompson_ 6.chelsea lanmon_ (设计说明：本环节通过小测验检测学生对听力材料及重点词汇和句 型的掌握情况，同时检测对新单词的掌握） Step 4 Pair work Get them to talk about the dates and usages of different inventions to consolidate the language goals. Questions : When was the car invented ? Who invented it ? What is it used for ? (设计说明：本环节旨在通过口语练习巩固学生对目标语言的掌握， 同时引出一个新结构 be used for.) Step 5 Summary Ask the students to review what they have learnt in this part,then the teacher may give a brief summary. (设计说明：通过让学生对本节课重点内容进行简单小结，帮助学生 理清思路，形成清晰的概念，同时鼓励学生勤于思考，培养创新思 维能力） Step 6 Homework 1. Write a passage about a new invention and introduce it. 2. Do some relevant exercises . (设计说明：运用并拓展本课时所学知识，让学生在写作中进一步巩 固所学知识，并掌握本课时的新词和短语。）