Unit 6 Section A 1a～2c 第一课时课件 2025-2026学年人教版九年级英语全册

Section A 1a-2c ——Unit6—— When was it invented? 1.语言能力： 1. 学习并掌握词汇heel, scoop,style, invent及be used for等； 2.熟悉关于谈论发明的句型 ---When was the telephone invented? ---I think it was invented in 1876. --- What are they used for? ---They are used for changing the style of the shoes. ---Who was the paper cutting invented by? It was invented by Cai Lun. 2.文化意识： 从中国古代四大发明，到现代发明物，到趣味小发明，再到近年来的发明，一步步感受科技的进步和发明物对人们生活的影响。同时引导学生思考，伟大的发明也给人类带来的新的挑战，要通过不断学习才能不被发明物所取代。 3.思维品质： 通过发散思维拓展不同年代的发明物，思考他们对人们生活的影响以及背后带来的挑战，提升思维的逻辑性和深度。 4.学习能力： 在谈论发明物的语境中熟悉一般过去时的被动语态结构；能听懂关于物品的发明时间及用途的对话。结合实际生活从发明者，发明时间，用途等方面谈谈自己最喜欢的发明。 Objectives Four Great Inventions in China inventions They are all Chinese. inventors Who were they invented by? invent 01 What information does the video mention? When were they invented? The paper making_______________ Cai Lun. 02 Four Great Inventions in China paper making Cai Lun invented the paper making. was invented by When was it invented? It was invented in Han Dynasty. Cai Lun Han Dynasty was/were + 及物动词的过去分词 一般过去时的被动语态 Who was the paper making invented by? 02 Four Great Inventions in China printing Who was the printing invented by? When was it invented? It was invented in Song Dynasty. The printing_________________ Bi Sheng. was invented by Bi Sheng Song Dynasty Bi Sheng invented the printing. Alchemists invented the gun powder by accident. 02 Four Great Inventions in China gun powder Who was the gun powder invented by? When was it invented? It was invented in Song Dynasty. The gun powder______________ alchemists by accident . was invented by alchemists 炼金士 Song Dynasty /ˈælkəmɪst/ 02 Four Great Inventions in China compass Who was the compass invented by? When was it invented? It was invented in Han Dynasty. The compass______________ ancient Chinese people in their practice. was invented by ancient Chinese people Han Dynasty Ancient Chinese people invented the compass in their practice. /ˈkʌmpəs/ Four Great Inventions in China have made a big difference to the world. How about the modern inventions? Modern inventions J. L. Baird Karl Benz Alexander Bell Charles Babbage Please match the inventors with the inventions. car computer TV telephone Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1–4] (1 = first, 4 = last). 1a A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. A: I think/believe that ... B: Well, I don't agree with you,I think ... So do I .And I think /believe that ... Pair work: What are they talking about? Modern inventions Questions may be mentioned： Who were they invented by? When were they invented? grandma Alice 两个数字一组，前后两组 前两个数字不为零，后两个数字为零 千年 非四位数的年份的 读法 1876 eighteen seventy six 1927 nineteen twenty seven 1700 seventeen hundred 1900 nineteen hundred two thousand 2001 two thousand and one 657 six hundred and fifty-seven How to read “years”? Listen and match the inventions with the years. 1b _________ 1876 _________ 1885 _________ 1927 _________ 1971 d a c b Check:When was....invented? It was invented in.... Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t ___________ like a telephone, right? Grandma: Of course we did! How old do you think I am? The telephone was invented in 1876. You _________, Alice! Alice: Ha, ha! How about cars? They weren’t invented yet, were they? Grandma: Yes, they were. Cars were invented in 1885.__________. Alice: Well, did you have a TV? Grandma: No, we _________. They were expensive in those days. The TV was invented around 1927, I think. Alice: Well, I know that you didn’t have a computer because we learned in school that personal computers _________in 1971. Grandma: You’re right. But I have one now! a. need to take a history class b. My family had a car. c. have modern inventions d. were invented e. couldn’t afford(支付得起) one. c a b e d Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t have modern inventions like a telephone, right? Grandma: Of course we did! How old do you think I am? The telephone was invented in 1876. You need to take a history class , Alice! Alice: Ha, ha! How about cars? They weren’t invented yet, were they? Grandma: Yes, they were. Cars were invented in 1885. My family had a car. Alice: Well, did you have a TV? Grandma: No, we couldn't afford(支付得起) one. They were expensive in those days. The TV was invented around 1927, I think. Alice: Well, I know that you didn’t have a computer because we learned in school that personal computers were invented in 1971. Grandma: You’re right. But I have one now! typescript was/were + 及物动词的 过去分词, 一般过去时的 被动语态 Modern inventions have changed people’s life a lot. Do you know some interesting inventions? This invention is called Din-Ink (笔帽餐具) What is Din-Ink used for? It is used for eating when you are studying. be used for v-ing/ 被用来... This invention is called Egg Yolk Separator (吞咽蛋黄鱼蛋分离器) What is it used for? It is used for separating(分离) egg yolk. This invention is called shoes with lights. (发光鞋) What are the shoes used for? They are used for walking in the dark. You won't hit your toe against something(撞到脚趾)on the way to washroom at night. This invention is called shoes with special heels. You can move the heels up and down. So they are used for changing the style of the shoes. The heels can be raised or lowered. v,上升 上下移动鞋跟 [staɪl] n. 样式；款式 [ hiːl ] n. 鞋跟 v,下降 This invention is called hot ice-cream scoop. [ɪˌlekˈtrɪsətɪ] n.电 It runs on electricity to become hot. It’s used for serving really cold ice-cream. 靠电力驱动 [skuːp] n. 勺子 冰激凌加热勺 Listen and number the inventions[1-3] in the order you hear them. 2a 1 2 3 Listen again and complete the chart below. 2b Inventions 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 in the dark changing serving The ... is/are used for doing ... What is/are the ... used for? 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 special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream. 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 _________. Listen again and fill in the blanks. something seeing dark lights scoop electricity used cold heels up down raise party lower shopping Can you talk about some new inventions during these years? Year Invention Inventor(s) usage 2003 Tao Bao Ma Yun shopping 2003 Alipay programmers in Tao Bao pay for money 2004 Huawei mobile phone Ren Zhengfei connect with others 2007 High-speed train Chinese engineers travelling 2015 Shared bike Hu Weiwei riding 2016 Tik Tok Zhang Yimin watching short videos 2022 ChatGPT programmers in America chat with AI 2024 Radish run car Baidu travelling without drivers Talk about your favorite invention Example: Our life has become easier and faster because of great inventions. My favorite invention is called ... It was invented by ... and it was invented in .... I like it best,because it is used for ... . What about you? Great inventions change our life to be better and easier. However,they also bring humans great challenges. I —— insist studying (坚持学习) N —— notice things around us(善于观察) V —— value our own culture(珍惜我国文化) E —— embrace other culture(拥抱别国文化) N —— advance with the times(与时俱进) T —— transform our old opinions(转变观念) To meet great challenges, Language Points 1. I think the TV was invented before the car. invent v. “发明”，指经过认识和实践创造出前所未有的事物。invention和inventor都是名词， 前者意为“发明”，后者意为“发明家”。 e.g. Edison invented the light bulb. 爱迪生发明了电灯泡。 discover invent find 指发明以前不存在的东西。 指发现某种本来存在，但以前未被发现或未为人所知的事物或现象。 指偶然发现或几乎没有困难地发现 辨析： 1. Edison _________ the electric lamp. 2. I lost my necklace last night. I haven’t ______ it. 3. Who ___________ America first? invented found discovered 一.单项选择 1.Paper ____first _____ about two thousand years ago in China by Cai Lun. is; inventing B. is; invented C. has; invented D. was; invented 2.English is widely used _______ many people around the world _______ a second language. A. by；for B. by; as C. as；for D. for；as 3.Safety glasses are used ______ protecting your eyes. A. from B. by C. to D. for 二.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 __________ ____? A Chinese named Cai Lun invented paper. (改为被动语态) Paper _______ ________ _______ a Chinese named Cai Lun. When was invented Who were invented by was invented by Lavf58.46.101 null 74840.305 null 70477.43 null 68674.805 $