人教版九年级Unit 6 When was it invented -Section A 1a—2d-ppt课件-(含教案+音频+素材)-市级公开课-(编号：81174).zip

Paper-making（造纸术（造纸术 ） Gunpowder（火药）（火药） Compass（指南针）（指南针） Printing（印刷术）（印刷术） candleelectric lamp in the pastnow carriageairplane in the pastnow mobile phone fridgewashing machine car computer light bulb TVcamerarobot 1. Which do you think is the most important invention in the world? TV? telephone? radio? computer? mobile phone? car? 2. Why do you think so? A: When was basketball invented? B: Well, I think it was invented in . A.1761 B.1891 C.1927 D.1971 A: When was the plane invented? B: Well, I think it was invented in . A.1903 B.1938 C.1821 D.1763 A: When was the bike invented? B: Well, I think it was invented in . A.1660s B.1770s C.1880s D.1960s 1a In what order do you think they were invented? Number them14 1b Listen and match the inventions with the dates. a b d c1876 1885 1927 1971 d a b c 4 2 1 3 1876 1885 1927 1891 1976 A: When was the car invented? B: It was invented in 1885. 1995 Notebooks Kungfu? CD bagHamburger ? ? Shoes?Mobile phone shoes with lights hot ice-cream scoop shoes with special heels 3 1 2 2a Listen and number the inventions in the order that you hear them. 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 changing serving in the dark 2b Listen again and complete the chart A: Who was /were invented by? B: It was/They were invented by A: What is it/are they used for? B: It is/They are used for 2c Pairwork InventionInventorUse washing machineSmithwashing clothes fridgeHarrisonkeep food fresh carCarl Benztravelling fast filmEastman having fun sandwichSandwich eating The passive voice. 被动语态被动语态 定义：表示主语是动作的承受者，定义：表示主语是动作的承受者， 动作被执行。动作被执行。 结构结构：be动词动词+ (及物及物动词的动词的) 过去分词过去分词 light bulb Edison Edison invented the light bulb. The light bulb was invented by Edison. basketball Naismith Naismith invented basketball. was invented by Naismith Basket Karl Benz invented the car. was invented by Karl Benz. The car Karl Benz The car Bell invented the telephone. was invented by Bell. The telephone Bell The telephone Chinese people invented dumplings. were invented by Chinese people . Dumplings Chinese people Dumpling Imagine you are a great inventor now! What do you want to invent the most? Why? What is it used for? 1. Review the new words and expressions. 2. Section A , Workbook. 3. Find out the history about an invention. Share the history with us next class. 1 Section A The main activities are 1b, 1c, 2b and 2c. Teaching objectives: 1. Knowledge aims: 1) Main vocabulary: invent, be used for, battery-operated slippers, heated ice cream scoop, shoes with adjustable heels. 2) Key structures: a) When waswere invented? b) Who waswere invented by? c) What is itare they used for? 3) The Passive Voice. 2. Ability aims: 1）Learn to talk about the history of inventions. 2）Improve listening ability and oral English through exercises. 3. Moral aims: Cultivate the students interest in inventions and their spirits of cooperation and innovation. Teaching key-points and difficulties: 1. Learn to talk about the history of inventions. 2. Learn to use the passive voice. Teaching method: Communicative teaching method. Teaching aids: multi-media, chalk and blackboard Teaching procedures: Step Lead-in 1. Show a letter to Ss and talk about the change of the ways that people communicate with each other. 2. Show the pictures of four great inventions in ancient China to Ss. 3. Two questions: 1) Which do you think is the most important invention in the world? 2) Why is it the most important? Have Ss share their ideas with the class 4. Show 3 pictures of inventions: basketball, plane and bike. Then have Ss guess when they were invented. Step Presentation 1. Point to the five pictures and ask Ss to say what they are. 2 2. Have Ss talk about the inventions in groups of three or four. Then number the inventions in the order they think the inventions were invented. The answer will be checked later. Step Practice 1b 1. Play the recording for the first time. Ss only listen. 2. Play the recording a second time. Ask Ss to write the correct letters. 3. Check the answers. Answers: d a e c b (from top to bottom) 4. Move back to 1a. Check the answers. Answers: 5 2 4 1 3 (from left to right) 1c 1. Show Ss the sentence pattern. 2. Have Ss make dialogs in pairs according to the sample dialog. 3. Have Ss present the dialogs to the class. Step Consolidation 2a 1. Show Ss 3 pictures of amazing inventions. 2. Show Ss the 3 inventions in 2a. Learn the key-words in 2a. 3. Questions: 1) Who are they invented by? 2) What are they used for? Lets find the answers in 2a and 2b 4. Play the recording for the first time. Ask Ss to number the inventions in the order that they hear. 5. Check the answers. Answers: 3 1 2 (from left to right) 2b 1. Have Ss read and translate the information in the chart in 2b. 2. Play the recording a second time. Ask Ss to draw lines in 2b. 3. Check the answers. Answers: shoes with adjustable heels Coziar and Ellsworth changing the style of the shoes battery-operated slippers Thompsom seeing in the dark heated ice cream scoop Lanmon scooping really cold ice cream 2c and grammar 1. Show the sample dialog. Ask Ss to make dialogs in pairs. 3 2. Have Ss present the dialogs to the class. 3. Introduction of the passive voice. 定义：表示主语是动作的承受者，动作被执行 结构：be 动词+ (及物动词的) 过去分词 4. Practice. Show Ss five inventions and have Ss change the sentences from the active voice into the passive voice. Step Project Group work and report. 1. Imagine yourself to be a great inventor now. Questions: 1) What do you want to invent the most? 2) Why do you want to invent it? 3) What is it used for? 2. Discuss in groups of four, then do a report to the class by one student each group. Homework: 1. Review the new words and expressions. 2. Section A, Workbook. 3. Find out the history about an invention. Share the history with us next class. 4