Unit6 SectionA 1a～2d 课件 -2024-2025学年人教版英语九年级全册

Unit6 When was it invented? Period1 SectionA 1a-2d 人教版新目标英语九年级 1 1.学习本课新词汇: heel, style, project, pleasure, daily, website, pioneer, list, mention,be invented by/in..., be used for/to do... 掌握句型：When was the car invented? It was invented in 1885. What are they used for? They’re used for seeing in the dark. 3. 在听力练习中，能听懂一般过去时被动语态的句子谈论发明和发明的历史以及发明的用途等。 4.在听说练习中能够使用被动语态谈论生活中的发明。 Learning aims Talk about Chinese four great ancient inventions. What are the four great inventions in ancient China? Can you guess which one of them was invented first? paper-making 造纸术 printing [ 'printiŋ ] 印刷术 compass ['kʌmpəs] 指南针 gunpowder ['gʌnpaʊdə(r)] 火 药 Lead in When were they invented? Who were they invented by? paper making \105 B.C. printing\1041-1045 compass 11th Century gunpower 9th Century Han Dynasty\Cai Lun Song Dynasty\Bi Sheng When was… invented? It was invented in... Who was … invented by? It was invented by... Who was the paper making invented by? It was invented by Cai Lun. = Cai Lun invented the paper making. Who was the printing invented by? It was invented by Bi Sheng Discussion bulb Talk about modern inventions. Which one do you think is the most helpful in our daily life? calculator car cell phone plane IV computer telephone Do you know who these inventions were invented by? Karl Benz 卡尔 奔驰 Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz). Alexander Bell 亚历山大 贝尔 The first telephone was invented (by Bell) . Bell invented the first telephone. J. L. Baird 贝尔德 The first television was invented (by J. L. Baird) . J. L. Baird invented the first television . Presentation light bulb Edison 1879 A. Edison_____________________________ Sentences: invented the light bulb in 1879. was invented by Edison in 1879. B. The light bulb_______________________________ A. Wright Brothers ________________________ Sentences: invented the plane in 1903. B. The plane _________________________________ was invented by Wright Brothers in 1903. Wright Brothers 1903 plane iPad Steve Jobs 2010 Sentences: A. Steve Jobs____________________________ invented the iPad in 2010. B. The iPad_______________________________ was invented by Steve Jobs in 2010. Practice Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4]. 1a 2 3 1 4 A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. A: I think … was invented before … B: Well, I think … was invented after …. The telephone was invented before the car. The car was invented before the television. The television was invented before the computer. 一般过去时的被动语态 was/ were + 及物动词-ed形式 1 两个数字一组，分为前后两组 1865 eighteen sixty five 1989 eighteen hundred 1900 531 five hundred and thirty-one two thousand 2001 3 前两个数字不为零，后两个数字为零。 2 千年的读法 4 非四位数的年份的读法 年份的读法 two thousand and one nineteen eighty nine nineteen hundred 1b Listen and match the inventions with the years. Grandma Alice ____1876 ____1885 ____1927 ____1976 b They are talking about the time of the inventions. When was the ...invented? d a c Listening Alice: Was your life very _________ when you were a kid? Grandma: Oh, _________. 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 ___________ in_____. You need to take a _______ class, Alice! Alice: Haha! How about ____? They weren’t invented yet, were they? Grandma: Yes, they were. Cars were invented in _____. My family had a car. Alice: Well, did you have a ____? Grandma: No, we couldn’t ______ one. They were ________  in those days. The TV was invented around  ______, I think. Alice: Well, I know that you didn’t have a ________because we learned in school that personal  computers were invented in ______.  Grandma: You’re right. But I have one now!   difficult not really was invented 1876 history cars 1885 TV afford expensive 1927 computer 1971 Listen and fill in the blanks. 一般过去时的被动语态： was/ were + 及物动词-ed形式 Listen and repeat Reading A: When ____the telephone _______? B: I think it was ________ _____ 1876. was invented invented in A: When was the car invented? B: I think it ___ _____ ___1930. A: When ____ the TV _________? B: I think it was invented in 1927. A: When was the computer invented? B: I think it _____ ________ in 1976. Complete the sentences and then practice in pairs. was invented in was invented was invented There are three new interesting inventions. Let's look at what they are. Shoes with lights 有灯光的鞋子 hot ice cream scoop, runs on electricity 加热的冰激凌勺，电力运行 shoes with special heels 有特殊鞋跟的鞋子 move the heels up and down Presentation 2a Listen and number the inventions [1-3] in the order you hear them. 1 3 2 Listening 2b 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 Listen again and complete the chart. changing serving in the dark n. 样式; 款式 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. 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 Listen again and fill in the blanks. lights something seeing dark scoop electricity used cold be used for 被用做于…… Listen and repeat Reading fridge low somebody translate lock ring earthquake sudden all of a sudden bell biscuit cookie musical instrument n. 冰箱 adj. 低的；矮的 pron. 某人 n. 重要人物 v. 翻译 v. 锁上；锁住 n. 锁 v. (rang, rung) 发出钟声或铃声；打电话 n. 地震 adj. 突然(的) 突然；猛地 n. 钟(声)；铃(声) n. 饼干 n.曲奇饼 adj. 音乐的；有音乐天赋的 n. 器械；仪器；工具 Listen and repeat New words It was invented by________. Who was ___________invented by? Bell What is it used for? I think it is used for_________________. talking with people What is it used for? I think it is used for_________________. It was invented by___________. Carl Benz Who was ___________invented by? What are they used for? I think they are used for_________________. seeing in the dark They were invented by___________. Edison Who were ___________invented by? traveling Fill in the blanks and then ask and answer in pairs. Bell Carl Benz Edison Inventions when who Purpose washing machine 1858 Smith wash clothes fridge 1862 Harrison keep food fresh light bulb 1879 Edison see in the dark Introduce these inventions using the information below. Washing machine was invented in 1858. It was invented by Smith. It is used for washing clothes. Fridge was invented in 1862. It was invented by Harrison. It is used for keeping food fresh. Light bulb was invented in 1879. It was invented by Edison. It is used for seeing in the dark. Practice 一、用所给动词的适当形式填空 1. The pizza __________ (make) by me. Would you like to have some? 2. The Great Wall _________ (know) all over the world. 3. This story __________ (tell) by my grandmother last night. 4. Was a new science museum ______ (build) in your hometown last year? 5. No student _______(see) in the playground. was made is known was told built is seen Class test 二、按要求完成句子 6. I was given a new toy by my aunt last week.( 改为主动语态) My aunt ________ ________ a new toy last week. 7. Many trees were planted along the river last year.(改为否定句) Many trees ________ ________ along the river last year. 8.Sky lanterns were used to ask for help in ancient times, _______ ______?（完成反意疑问句） 9. The beautiful piece of music was played by HuoZun. (对画线部分提问) ________ _______ the beautiful piece of music _______ by? 10. The book was translated into eight languages last year. (改为一般疑问句) _______ the book __________ into eight languages last year? gave me　 weren't planted weren't they Who was played　 Was translated 1.The young man saved the lives of the children. 2. The villagers didn’t find the lost boy at last. 3. Did you clean up your room last night? 4. My mother bought me a new CD player. 将下列句子改为被动语态。 The lives of the children were saved by the young man. The lost boy wasn’t found by the villagers at last. Was your room cleaned up last night? A new CD player was bought for me by my mother. Practice 4a Rewrite the sentences using the passive voice. They sold the fridge at a low price. ____________________________________________________ 2. Somebody stole my camera from my hotel room. ____________________________________________________ 3. Where did you take these photos of these wolves? ____________________________________________________ The fridge was sold at a low price. My camera was stolen (by somebody) from my hotel room. Where were these photos of these wolves taken? 4a Rewrite the sentences using the passive voice. 4. The guide warned them not to climb the mountain in bad weather. _____________________________________________________ 5. Different writers translated the book into different languages. ____________________________________________________________________________________________________________ they were warned not to climb the mountain in bad weather by the guide . The book was translated into different languages by different writers. 4b Complete the sentences with the correct forms of the verbs in the box. eat lock like ring invite break tell bring You _____________ to the party last night, weren’t you? Why didn’t you go? 2. The earthquake happened all of a sudden, but luckily the villagers _____________ to a safe place. were invited were brought 突然；猛地 4b Complete the sentences with the correct forms of the verbs in the box. 3. The door ___________ when we arrived, so we ______ the bell. 4. The students ________ not to eat or drink in class. But Ruby _______ the rule when she started eating a biscuit in science class. 5. The cookies _________ by the hungry kids in less than 20 minutes, and they really _____ them. was locked rang were told broke were eaten liked 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. The telephone _____________(invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _______ (learn) how to send musical notes was invented was born worked learned 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. through an instrument similar to a telephone. Finally, the telephone ____________ (invent) in 1876. The first sentence that ________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world. was invented was said is used Do you know who the zipper was invented by? What’s this? zipper n. 拉链；拉锁 Where can you find it? trousers bags shoes suitcase backpack 4. Who was the zipper invented by? 5. When was the zipper invented? 6. When was it first used widely? Read 2d and answer the following 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? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. It was invented by Whitcomb Judson. It was invented in 1893. It became popular in around 1917. Reading 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. Inventions when who Purpose washing machine 1858 Smith wash clothes fridge 1862 Harrison keep food fresh light bulb 1879 Edison see in the dark Introduce these inventions using the information below. Washing machine was invented in 1858. It was invented by Smith. It is used for washing clothes. Fridge was invented in 1862. It was invented by Harrison. It is used for keeping food fresh. Light bulb was invented in 1879. It was invented by Edison. It is used for seeing in the dark. Practice 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”。 辨析invent/discover/find/find out ① invent意为“发明；创造”，主要指通过想象、研究、劳动等创造出前所未有的东西，尤指科技上的创造发明。 ② discover指发现或偶然发现本身就存在但未被认识的事物。 find强调找的结果，即发现某种本来存在,但以前未被发现或未为人所知的事物。 ④ find out指经过观察、调查，把某事物查出来，意为“搞清楚；弄明白”。 用discover，invent和find填空 1. Edison _________ the electric lamp. 2. I lost my necklace last night. I haven’t ___________ it. 3. Who ________ America first? invented found discovered 4. The telephone _____________ in 1876. was invented Language points 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。 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 … （1）mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。 Don’t mention this problem this evening.今晚别提这个问题。 （3）not to mention意为“更不用说；还不算”。 Don’t mention it.意为“（别人道谢时回答）不客气”。 （2）若后接动词，要用动名词，不能用不定式。 Whenever I mention playing football, he says he’s too busy. 我一提起踢足球，他就说太忙。 5. Think about how often it's used in our daily lives. think about表示“考虑；想起”。 He is thinking about travelling in the summer holidays. 他正在考虑暑假旅游的事。 She was thinking about her childhood days.她正在回想她的童年时期。 think of 指“考虑；记忆； 记起” I can’t think of his name at the moment. 我一时想不起他的名字。 think sth. over 指“仔细想, 审慎思考；作进一步考虑” Please think over what I said. 请仔细考虑我说的话。 think sth. out 指“想通；想出；熟思” He thought out a new idea. 他想出了一个新主意。 完成句子， 每空一词 1.这个实验室是用来做医学研究的。 The laboratory ___________doing medical research.   2.你知道拉链是谁发明的吗? Do you know who zippers _____________　?   3.我喜欢这双带着特殊鞋跟的鞋子。 I like the shoes 　　　　　　　　.   4.或许你说的有道理， 我同意你的观点。 Maybe you 　　　　　. I agree with you.   5.不同发明的先驱者在那家网站上被列举出来了。 The 　　　　of different inventions 　　　　　on that 　　　.   is used for were invented by with special heels have a point pioneers were listed website Class test Preview the passage in 3a. Look up some information about some famous inventions. Homework 课程结束 人教版新目标英语九年级 42 $$