Unit6 Section A (2a-2d)课件 2025-2026学年人教版（2012）英语九年级全册

Section A Unit 6 When was it invented? Learning Goals Key words & phrases: heel, scoop, electricity, style, project, pleasure, zipper, daily, have a point, website, pioneer, list, mention Key sentences: 1. What is it / are they used for? 2. It’s used for serving really cold ice-cream. Students can talk about what an invention is used for. Review Ⅰ. Choose the best answer. 1. Each of them_______three minutes to make a speech. A.was given B.will give C. is giving D. has given 2.Doctors ___ in every part of the world. A.need B.are needing C. are needed D.will need 3. English ___in Canada. A.speaks B.are spoken C.is speaking D. is spoken B: It was invented in 1927. A: Who was it invented by? B: It ___ _________ ____Baird. Warming Up A: When _______ the TV_______ ? was invented by was invented B: It ___ _______ ____ 1927. A: Who was it invented by? B: It ___ _________ ____Bell. Warming Up A: When was the telephone invented ? was invented by was invented in washing hair skating running magic inventions What are they used for? 1. What can you see on the table? 2. What are they used for? Pre-listening Look at the picture and answer the questions. heel n. 鞋跟；足跟 electricity n. 电；电能 2a 7 2a Listen and number the inventions [1-3] in the order you hear them. 3 1 2 While-listening 2b Listen again and complete the chart. 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 While-listening Listen again and choose What invention does Carol like best? A. Shoes with special heels. B. Shoes with lights. C. Hot ice-cream scoop. 2. When will you raise the heels if you wear the shoes with special heels? A. When you are going to a party. B. When you are going to school. C. When you are going out for shopping. Listen and follow Alex: Hi, Carol. Wow, what are those?  Carol: Hello, Alex. Oh, these are some of the interesting inventions  that I’m writing about for my English homework.  Alex: I see…What’s that, then? Carol: They’re shoes with lights. You use them for seeing in the   dark when you get up at night.  Alex: Oh, that’s a cool idea! I always hit my toe on something on  the way to the bathroom at night.  Carol: Next is a special ice-cream scoop. This is my favorite invention.  It runs on electricity and becomes hot.   运行 Alex: I know what it’s for! It’s used for serving really cold ice-cream.  Carol: Yes, that’s right! The last invention I’m going to write about  is shoes with special heels. You can move the heels up and down. Alex: What are they used for?  Carol: Well, you can change the style of your shoes. You can raise the  heels if you are going to a party or lower them if you are just  going out for shopping. ...的款式 be used for sth. / doing sth 被用来做... style名词，意为“样式；款式”。 in style 时髦的 out of style 过时的 Where can you see it? What’s this? jackets dresses trousers shoes skirts luggage bags Zipper Let’s talk 根据你所听到的信息，填写以下信息卡. 2d Who Whitcomb Judson invented the 1._______. What You can see them on dresses, 2.________, shoes, bags.. almost 3.____________! When It was invented in 4.____________. It became 5.________ around 1917. zipper trousers everywhere 1893 popular 14 1. What is the subject for their school project? Small inventions that changed the world. 2. Why does Roy think zipper is a great invention? Because it’s often used in our daily lives. 3. When did the zipper become popular? Around 1917. Read and answer 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? with pleasure 乐意效劳 My pleasure. = It’s a pleasure./ It’s my pleasure.不客气。 such a/an + adj. +可数名词单数 如此……的一个…… = so + adj. + a/an + 可数名词单数 2d 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… 有道理 强调句，用“助动词do + 谓语动词原形”的结构 seem v.似乎、好像 seem to do sth seem to be +adj It seems that... 17 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. 先锋，先驱 18 Language Points ① What are they used for?（教材P42） be used for sth. / doing sth. 意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于be used to do sth. e.g. Clothes are used for keeping (= to keep) warm. 衣服被用来保暖。 Wood can be used for building (= to build) houses. 木材可以被用来建造房屋。 【拓展】 辨析：be used for, be used by和be used as e.g. English is used as a foreign language in China. 在中国英语被当作一门外语使用。 Rubbers are often used by students to correct mistakes. 橡皮常被学生们用来改正错误。 (　　)1. This computer is _____ control all the machines. A. used to B. used for C. using to D. using for (　　)2. Do you know what this tool is _____? A. used to B. used for C. using for D. using to Exercises A B 3.The pioneers of different inventions were listed there. list vt.“列表;列清单” n.“名单；清单” make a list of 列……清单 on the list 在名单上 mention v. 意为“提到，说到” 4.it mentioned that the zipper was invented by language points mention ①mention sb./sth. (to sb.) (向某人)提起某事 He didn’t mention his parents in the letter. Nobody mentioned anything to me about it. ②mention doing sth.提到做某事 Whenever I mention having dinner together, he says he’s too busy. ③其后可接that引导的宾语从句 He mentioned that the idea was from his father. Don’t mention it. 不客气 Exercises 单项选择 1. English is widely used _______ many people around the world _______ a second language. A. by；for B. by; as C. as；for D. for；as 2. —Thank you for taking me around your school, Danny.   — ________    A. Don’t mention it. B. Never mind.   C. Of course not.   D. No problem. 一、单项选择 1.Sunglasses are used ______ protecting our eyes. A. from B. by C. to D. for 2.Linda ____ for her honesty by her teacher yesterday morning. A. praises B. praised C. is praised D. was praised 3.Do you know___ the car was invented by? A. When B. What C. Who D. Why 4.Last weekend, Tom _______ to attend a concert and he had fun. A. invite B. was invited C. invited D. is invited 5. I ______ deeply by the piece called Erquanyingyue after I first heard it. A. moves B. moved C. is moved D. was moved D D C Exercise B D 一、单项选择. 1. Last weekend, Jack _______ to a birthday party and he had a lot of fun. A. invite B. was invited C. invited D. is invited 2. — Was table tennis invented by the Chinese? — No. It ______in China until the start of the 20th century. A. played B. was played C. didn’t play D. wasn’t played 3.Smartphones are used ________ young people to shop online. A．to B．for C．by D．as Exercises 二、根据句意或提示填空。 1. She doesn’t like her skirt. Though it is very new, she thinks it has been out of s________. 2. Shoes with lights are used for ________(see) in the dark. 3. —Can you help me with my English? —With p________. 4. Some Young ________(先锋) are planting trees over there. 5.We thought Carl would say a lot about his experiences in South Africa, but he didn't________(提到) them at all. tyle seeing leasure Pioneers Exercises mention Ⅰ. 单选。 （1）English is widely used _______ many people around the world _______ a second language. A. by；for B. by; as C. as；for D. for；as （2） —Thank you for taking me around your school, Daming.   —________    A. Don’t mention it. B. Never mind.   C. Of course not.   D. No problem. Exercises B A  Ⅱ.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 Ⅲ.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. (对划线部分提问) _______ _______ 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 null 70477.43 null 68674.805 null 70555.805 $