Unit 6 Section A 1a～1c课件- 2024-2025学年人教版英语九年级全册

Section A 1a-1c Unit 6 When was it invented? Do you know the Chinese four great inventions? Paper making Printing Compass Gunpowder Step 1 Lead in—Match the inventions with times and inventors paper making printing compass gunpower Han Dynasty Song Dynasty 11th Century 9th Century Cai Lun Sun Simiao Bi Sheng Make conversations with your partner: A: When was the ... invented? B: It was invented in ... A: Who was the ... invented by? B: It was invented by .... What are these morden inventions called? Computer Car Telephone TV Do you think they are useful? Firdge (n,冰箱) Inventions Inventors Computer Car Telephone TV Alexander Bell 亚历山大 贝尔 Karl Benz 卡尔 本茨 J. L. Baird 贝尔德 John Neuman 约翰 诺伊曼 Make sentences like this: John Neuman invented the first computer. = The first computer was invented by John Neuman. Which invention was invented first? I think the________was invented before/ after the_________. When were they invented? d a c b 1971 1885 1876 1927 1923 1854 -When was the____invented? -It was invented in _______. Some small inventions can also change the world. What small inventions do some students talk about? shoes whose heels /hiːl/n.鞋跟 are special shoes with some lights a scoop /skuːp/勺子 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. Who was it invented by? It was invented by Bell. A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. Talk with your parterner. computer TV A: I think the … was invented before the …. B: I agree. /I disagree. I think the… was invented after the…. car clock A: I think the … was invented before the …. B: I disagree. I think the… was invented after the…. / I agree. telephone mobile phone A: I think the … was invented before the …. B: I think so. / I don’t think so.I think the… was invented after the…. 1.What is it/are they used for? be used for doing sth.表示“被用来做某事”。同be used to do sth. 。 be used as... 被用作 e.g. The machine is used for cutting things/ to cut things. 这台机器是用来切割东西的。 This box is now used as a trash bin. 这个盒子现在被用作垃圾桶。 With the development of technology, glass can_________furniture. But I ________my apartment with wooden furniture. A. use to make; used to decorate B. be used to make; am used to decorate C. be used for making; be used to decorate D. be used to make; am used to decorating D 11/4/2024 2.It’s used for serving really cold ice cream. 【经典习题】完成句子： 邮票是用来发送信件的。 Stamps are ____ ___ ______ letters. 【要点点拨】be used for doing sth. 表示“被用于干某事”，意思与be used to do sth.相同。 如：The camera is used for taking photos. = The camera is used to take photos. used for sending 11/4/2024 【拓展延伸】 ◆be used as sth. 表示“被用作某物”。如：English is used as the second language in many countries. ◆be used by sb. 表示“被某人使用”，后接动作的执行者。如：These textbooks are used by students. ◆be / get used to doing sth. 表示“习惯于做某事”。如：She is used to running every morning. ◆used to do sth. 表示“过去常常做某事”。如：Miss Li used to dance after work. 11/4/2024 3、with用法小结 一、with表拥有某物 1. Mary married a man with a lot of money . 马莉嫁给了一个有着很多钱的男人。 2. I often dream of a big house with a nice garden . 我经常梦想有一个带花园的大房子。 3. The old man lived with a little dog on the lonely island . 这个老人和一条小狗住在荒岛上。 11/4/2024 二、with表用某种工具或手段 I cut the apple with a sharp knife . 我用一把锋利的刀削平果。 Tom drew the picture with a pencil . 汤母用铅笔画画。 We see with our eyes and we hear with our ears. 我们用眼睛看，用耳朵听。  根据句意和所给汉语提示, 完成下列单词的 确拼写。 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. Children also need time _________ (玩耍). useful inventions listening to play 句型转换 1. The personal computer was invented in 1976. (对划线部分提问) _______ _______ the personal computer _______? 2. The shoes with lights were invented by Julie Thompson. (对划线部分提问) ___ ______ the shoes with lights _____ ______ ? When was Invented Who were invented by 3. Knives are used for cutting things. _______ _______ knives _______ _______? 4. A Chinese named Cai Lun invented paper. (改被) 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 用所给动词的正确形式填空： 1. The bike __________(fix) up by Xiaoming yesterday. 2. Shields ________ (use) for protecting people’s body in the past. 3.Last year, a picture _________(put) up on the blackboard. 4. She said French______________ (speak) in France. 5. Teenagers _______________(allow) to choose their own clothes two years ago. was fixed were used was put was spoken were allowed Other 66506.43 Nuendo $$