Unit 6 Section A 2a～2d课件- 2024-2025学年人教版英语九年级全册

Section A 2a-2d Unit 6 When was it invented? Studying Aims 1. 掌握一般过去时态的被动语态的用法。 2. 会正确使用重点句型： When was the TV invented ? It was invented in 1927. Who was it invented by? It was invented by Baird. 情景导入 T：There are many useful things in the world.They help us a lot in life.(Show some pictures on the screen)When were they invented? S1：The telephone was invented in 1876. S2：The computer was invented in… shoes with special heels shoes with lights hot ice-cream scoop, runs on electricity 带特殊鞋跟的鞋 low heel high heel scoop 勺子 What are the things on the table? What are they/is it used for? 冰激凌加热勺, 靠电力驱动 带灯的鞋 Listen and number the inventions [1-3] in the order you hear them. 2a 3 1 2 Alex Carol Invention What is it / are they used for? shoes with special heels ______________the style of the shoes shoes with lights seeing_______________ hot ice-cream scoop ____________really cold ice-cream changing in the dark serving Listen again and complete the chart. 2b 1. What is Carol doing? A. Practice spoken English. B. Making inventions for English homework. C. Writing in English. 2. What can you do to the shoes? A. Move the shoes up and down. B. move the heels up and down. C. Move the heels away. 3. If you’re going out for a party, you’d better the heels. A. move away B. raise C. lower The first invention is shoes with ________. People always hit their toes against __________ on the way to the bathroom at night. So people can use them for ________ in the ______. The second invention is a hot ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream. Listen again and fill in the blanks. something seeing dark lights scoop electricity used cold 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 down up raise party lower shopping 2c Make conversations using the information in 2b. What are the shoes with lights used for? They’re used for seeing in the dark. They’re used for changing the style of the shoes. 情景表演 What are hot ice-cream scoop used for? What are shoes with special heels used for? They’re used for serving for really cold ice-cream. 2d Role-play the conversation. Read the passage quickly and answer the questions. What is the subject for their school project? 2. What kind of invention does Roy think of? 3. Why does Roy think it is a great invention? 4. Who and when was the zipper invented? 5. When did the zipper become popular? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson in 1893. Around 1917. 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 2d. Role-play the conversation. Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world". Can you help me think of an invention? Roy: With pleasure! Let me think ...hmm ..… I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often it's used in our daily lives. You can see zippers on dresses, trousers, shoes, bags almost everywhere! Paul: Well, you do seem to have a point ... 定语从句 想起 乐意效劳 1.such +a/an + adj.+n 2.so +adj.+a/an +n. 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 2d. Role-play the conversation. Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time, it wasn't used widely. Paul: Really? So when did it become popular? Roy: Around 1917. 被广泛应用 be used widely 被动语态：be done 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”. Can you help me think of an invention? Roy: With pleasure! Let me think ... hmm... I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often it's used in our daily lives. You can see zippers on dresses, trousers, shoes, bags... almost everywhere! Paul: Well, you do seem to have a point... Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn't used widely. Paul: Really? So when did it become popular? Roy: Around 1917. Many people speak English. (主动语态改被动语态) English is spoken by many people. Jim broke the window yesterday.(主动语态改被动语态) The window was broken ( by Jim) yesterday. They built the houses last year. (主动语态改被动语态) The houses were built (by them) last year. 试一试 你能行 He speaks English. 主动句与被动句之间的转换 English is spoken ( by him ) 主语 谓语动词主动语态的单三式 宾语 主语 谓语动词被动语态的过去分词 介词+ 宾语 （温馨提示：善于总结学习方法是成功者的秘诀。） We bought some books. 主动句与被动句之间的转换 Some books were bought ( by us ) 主语 谓语动词主动语态的过去式 宾语 主语 谓语动词被动语态的过去分词 介词+ 宾语 （温馨提示：善于总结学习方法是成功者的秘诀。） A: When was … invented? B: It was invented …. A: Who was … invented by? B: It was invented by … 1971 1885 1876 1927 Atanasoff Benz Bell Baird Pair work 合作交流 小结训练 ( ) 1. This kind of car is made _____ the foreign workers _____ Japan. A. of/in B. by/in C. for/by ( ) 2. The boy is famous _______ running fast . A. for B .as C. by ( )3.____ far as I know , the tea is mainly produced ___ South China. A. So/ in B. As/ in C. As/ to B A A Chopsticks are made of ______ Forks are made of ___________ Blouses are made of ________ Baskets are made of ________ Bowls are made of ________ Coins are made of ________ Who has the most ideas?Who has the most ideas? HomeworkHomework Level A: Find a product and write a report about its name, material and the place where it was made. Level B: Try to make one thing with some used materials and introduce it to your friends.. 57181.055 57520.63 $$