Unit6 Section A1a～2d 课件-2024-2025学年人教版九年级英语全册

Unit 6 Section A ( 1a-2d ) -- The four great inventions of China gunpowder paper-making printing compass -- paper 105 B.C.（公元前） printing 1041-1045 It was invented … When were they invented? -- compass 11th Century gunpowder 9th Century It was invented … When were they invented? -- car calculator telephone TV -- 1a Look at the picture What can you see in the picture? Can you guess which one of them was invented first? Which one of them was invented last? Was the TV invented before the car or after the car? -- car in 1885 computer （calculator） in 1971 It was invented … -- telephone in 1876 TV in 1927 It was invented … -- 1b Listen and find out the answer What are they talking about? They are talking about the time of the inventions. -- 1b Listen and match the inventions with the years. _____ 1876 _____ 1885 _____ 1927 _____ 1971 d a c b -- Listen again and answer the questions. Did grandma’s family have a car? Did grandma’s family have a TV? Why?/Why not? Yes, they had a car. No, they didn’t have a TV because they couldn’t afford one. -- Make a similar conversation with your partner using the 1b as a model. Pair Work -- Baird 1927 Bell 1876 A: When was the TV invented? B: It was invented in 1927. A: Who was it invented by? B: It was invented by Baird. -- T: What’s this called in English? S: It’s called a telephone. T: When was the telephone invented? S: It was invented in 1876. T: Who was it invented by? S: It was invented by Bell. -- A: What’s this called in English？ B: It’s called a TV. A: When was the TV invented? B: It was invented in 1927. A: Who was it invented by? B: It was invented by Baird. -- 1. invent v. 发明 指经过认识和实践创造出前所未有的事物。 Edison invented the light bulb. 爱迪生发明了电灯泡。 invention和inventor都是名词, 前者意为“发明”, 后者意为“发明家”。 Language points -- 1. Edison _________ the electric lamp. 2. I lost my necklace last night. I haven’t ________ it. 3. Who ___________ America first? invented found discovered 用discover，invent和find填空 4. The telephone _________ in 1876. was invented -- 1885 Henry Ford 1971 1976 1907 Wright Cray Bill Hewlett -- 看图完成句子。 1. (1885, invented) Cars _______ _______ in 1885. 2. (around 1927, invented) The TV _______ _______ around 1927. were invented was invented -- 3. (1971, invented) The personal computer ______ ______ ______ 1971. 4. (1896，invented) The telephone _______ ______ ______ ______. was invented in was invented in 1876 -- heel scoop -- She is wearing high heels. -- She is scooping by using the scoop. The scoop is used for scooping. -- What can you see in the picture? What is the boy doing? What is the girl doing? What is the scoop used for? What are the shoes used for? -- 2a Listen and number the inventions [1-3] in the order you hear them. 1 2 3 -- 2b Listen again complete the chart below. ________ the style of the shoes hot ice-cream scoop seeing _____________ shoes with lights _______ really cold ice-cream shoes with special heels What is it / are they used for? Invention changing in the dark serving -- Listen and answer questions. Which is Carol’s favorite invention? What is Carol writing about for her English homework? Her favorite invention is a special ice-cream scoop. She is writing about interesting inventions for her English homework. -- Make conversations using the information in 2b. A: What are they used for? B: They’re used for seeing in the dark. Pair Work 2c -- 2. be used for ... 被用来…… 是由“use sth. for sth. / doing sth.”结构转变而来, 介词for在这里表示用途或作用, 后面可以接名词、代词或动词-ing形式。 This machine can be used for cutting grass. 这个机器可以用来割草。 2d 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. -- 3. Well, you do seem to have a point … you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。 He does work hard. I did see him in the mall. -- have a point 有道理 I admit (that) you have a point.   我承认你有理。 I guess you have a point there.   我想你说的有道理。 -- 4. … it mentioned that the zipper was … mention v. 提到；说到 Did she mention it to the police?    她对警察提它了吗？ Whenever I mention playing soccer, he says he’s busy. 不论什么时候我提议去踢足球，他都说他很忙。 -- 口语中说 Don’t mention it. 主要用来回答感谢，有时也用来回答道歉。如： A：Thank you very much. 多谢你了。 B：Don’t mention it. 不客气。 A：I’m sorry to have troubled you. 对不起打扰你了。 B：Don’t mention it. 没关系。 -- 2d Read and answer the questions. What invention are they talking about? Who invented the zipper? The zipper. Whitcomb Judson -- 2d Read and answer the questions. When was the zipper invented? When was it used widely ? Do they think it a great invention? Why? The zipper was invented in 1893 Yes. Because it is used widely in our daily lives. The zipper was widely used in 1917 -- Whitcomb L. Judson (1846 –1909) was an American  machine salesman, mechanical engineer and inventor. He developed and invented the zipper in 1890.  -- Read the conversation again and role-play it. --  根据句意和所给汉语提示, 完成下列单词的拼写。 1. That’s the most _________ (有用的) book. 2. It is said that Thomas Edison had 1,093___________ (发明) during his lifetime. 3. — What is this kind of machine used for? — It’s used for _________ (听) to music. 4. If you _________ (加热) the ice, it will soon become water. 5. Children also need time _________ (玩耍). useful inventions listening heat to play -- 句型转换 1. The personal computer was invented in 1976. (对画线部分提问) _______ _______ the personal computer _________? 2. The shoes with lights were invented by Julie Thompson. (对画线部分提问) _______ _______ the shoes with lights _______ _______ ? When was invented Who were invented by -- 3. Knives are used for cutting things. (对画线部分提问) _______ _______ knives _______ _______? 4. A Chinese named Cai Lun invented paper. (改为被动语态) Paper _______ _______ _______ a Chinese named Cai Lun. What are used for was invented by -- 5. She was interviewed by the local TV station last week. (改为主动语态) The local TV station __________ _______ last week. interviewed her , track 6 Other 295021.78 , track 5 Other 74866.43 , track 5 Other 74866.43 , track 5 Other 74866.43 , track 6 Other 71339.555 , track 6 Other 71339.555 , track 6 Other 71339.555 , track 8 Other 67629.805 , track 8 Other 67629.805 , track 8 Other 67629.805 , track 8 Other 67629.805 $$