九年级Unit 6　Section A　1a－2d.ppt

1、Unit 6,Section A Period 1 ( 1a2d ),What are the Four Great Inventions in ancient China?,Do you know?,paper-making 造纸术,compass 指南针,printing 印刷术,gunpowder 火 药,Do you know the following inventions? Who invented them, and when?,paper Cai Lun 105 A. D.,printing Bi Sheng 1041-1045,It was invented ,compass

2、 11th Century,gunpowder 9th Century,It was invented ,car Karl Benz in 1885,calculator in 1971,It was invented ,telephone in 1876,TV in 1927,It was invented ,1b Listen and match the inventions with the dates.,_ 1876 _ 1885 _ 1927 _ 1971,d a c b,Listen again and answer the questions.,Did grandmas fami

3、ly have a car? Did grandmas family have a TV? Why?,Yes, they had a car.,No, they didnt have a TV because they couldnt afford one.,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 _ _

4、_ 1971. 4. (1896，invented) The telephone _ _ _ _.,was,invented,in,was,invented in,1896,Make a similar conversation with your partner using the 1b as a model.,Pair Work,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: When was the tel

5、ephone invented?,S: It was invented in 1876.,T: Who was it invented by?,S: It was invented by Bell.,1885,Henry Ford,1971,1976,1907,Wright,Cray,Bill Hewlett,Pair Work,heel,scoop,How do we say them in English?,She is wearing high heels.,She is scooping by using the scoop.,2a Listen and number the inve

6、ntions in the order that 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 qu

7、estions.,Which is Carols 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:

8、Theyre used for seeing in the dark.,Pair Work,What is it used for? It is used for counting.,calculator,What are they used for? They are used for giving light.,light bulbs,What is / are used for? Its / Theyre used for ,Pair Work,Armadillo Breadbox,Lull Lamp,COOL INVENTIONS,Cool Inventions,Ergonomic L

9、adder (人体工学阶梯),The Weight Watch Belt,2d Read and answer questions.,What invention are they talking about? Do they think it a great invention? Why?,The zipper.,Yes. Because it is used widely in our daily lives.,Whitcomb L. Judson(1846 1909) was anAmerican machine salesman, mechanical engineer and inv

10、entor. He developed and invented the zipper in 1890.,Read the conversation again and role-play it.,Which invention are you familiar with? Talk about it with your partner.,Pair Work,Top 10 “inventions” that changed the world,1. GPS Technology 2. The Sony Walkman 3. The Bar code (条形码) 4. TV Dinners (冷

11、冻快餐) 5. PlayStation (游戏站),Top 10 “inventions” that changed the world,6. Social Networking 7. Text messages 8. Electronic Money 9. Microwaves 10. Trainers,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,discov

12、er, invent和find都是动词, 它们的词义相近, 但是有区别: discover意为“发现”, 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。 The lost bike was discovered at the bus stop. 丢了的自行车发现在公共汽车站那儿。 Later I discovered that he was so kind. 后来我发现他如此善良。,知识链接,invent 意为“发明”, 指发明以前不存在的东西。 Do you know who invented the computer? 你知道谁发明的电脑吗？ find 意为“找到, 发现”,

13、 指偶然发现或几乎没有困难地发现。 I found some old photos in that drawer. 我在那个抽屉里发现了一些旧照片。,1). Edison _ the electric lamp. 2). I lost my necklace last night. I havent _ it. 3). Who _ America first?,invented,found,discovered,4). The telephone _ in 1876. A. invented B. was invented C. was found D. was discovered 【点拨】

14、句意：电话是1876年发明的。invent “发明”，且telephone与invent 之间是动宾关系，应用被动语态。故选B。,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。, be used as意为“被用作，被作为使用” English is used as a foreign language in China. be us

15、ed by意为“被使用” Rubbers are often used by students to correct mistakes.,知识链接,【点拨】句意：英语被世界各地的许多人作为第二语言广泛使用。by 意为“被；由”，用于被动语态中，后跟动作的执行者；as作介词，意为“当作”。故选B。,used to do sth.意为“过去常常做某事”。 I used to smoke when I was young. use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。 These knives are used t

16、o cut pies.,知识链接,-Can you help me think of an invention? - My pleasure! My pleasure也可说成Its a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。 Will you please help me take the books to the classroom? 请你帮我把这些书带到教室里去好吗？ My pleasure. / Its a pleasure. 愿为你效劳。,pleasure n. 愉快；高兴 She took nopleasurein he

17、r work. 她觉得自己的工作毫无乐趣。 I will remember this meeting withpleasure. 我会愉快地记着这次的会晤。 It is apleasureto work with you. 和你一起工作真是件乐事。, at (ones) pleasure 随便 You are free to come and go at your pleasure. 来去自由, 悉听尊便。 take pleasure in以某事为乐,喜欢做某事 with pleasure 愉快地, 高兴地, 没问题,知识链接,4. 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 look well. 他的确看起来气色很好。 You did give me a fright. 你真把我给吓了一跳。 Do