人教版九年级上册 初三 英语Unit6SectionA1a-1c课件

1、Unit 6When was it invented? Section A 1a-1cDo you the Four Great Inventions in ancient China? What are they?Except those inventions, can you think of other famous ones?Discussionpaper-making 造纸术compass 指南针printing 印刷术 gunpowder 火 药paper Cai Lun105 A. D. printingBi Sheng1041-1045What is it?Who and wh

2、en was it invented compass11th Centurygunpowder9th CenturyWhat is it?Who and when was it invented Do you know what these inventions are? Do you know the following inventions? Who invented them?When were they invented?carKarl Benz in 1885calculatorin 1971What is it?Who and when was it invented teleph

3、onein 1876TV in 1927What is it?Who and when was it invented Karl Benz Do you know who these inventors are? Alexander BellJ. L. BairdCan you match the inventions with the right inventors? Karl Benz invented the first car in 1885.The first car was invented (by Karl Benz) in 1885. The first telephone w

4、as invented (by Bell) in 1876. Bell invented the first telephone in 1876.The first television was invented (by J. L. Baird) in 1927. J. L. Baird invented the first television in 1927.1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number

5、 them1-4 (1=first, 4= last)1b Listen and match the inventions with the dates._ 1876_ 1885_ 1927_ 1971dacbListen again and answer the questions.Did grandmas family 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. (1

6、885, invented) Cars _ _ in 1885. 2. (around 1927, invented) The TV _ _ around 1927. wereinventedwasinvented3. (1971, invented)The personal computer _ _ _ 1971. 4. (1896，invented) The telephone _ _ _ _. wasinventedinwasinvented in18961c Student B, cover the dates. Student A, ask Student B when the th

7、ings in the picture in 1b were invented. Then change roles and practice again. A: When was the telephone invented? B: I think it was invented in 1876.Make a similar conversation with your partner using the 1b as a model.A: When was the TV invented?B: It was invented in 1927.A: Who was it invented by

8、?B: It was invented by Baird.Pair WorkT: When was the telephone invented?S: It was invented in 1876.T: Who was it invented by?S: It was invented by Bell.1885Henry Ford197119761907WrightCrayBill HewlettYearInventionInventor(s)1902Air conditionerWillis Carrie1903Gas-motored and manned planeWright brot

9、hers1910The first talking filmThomas Edison 1923TelevisionLogie Baird1928Penicillin (青霉素)Alexander Fleming1937Photocopier (影印机)Chester F Carlson1940Colour televisionPeter Goldmark1942Electric digital computerAmerican scientists1945Atomic bombAmerican scientists1950Credit cardsRalph Schneider1985Wind

10、ows OSMicrosoft Company1990World Wide WebTim Berners-Lee1. 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 pointsLanguage Pointsdiscover, 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 lo

11、st 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”, 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。 discover, invent和find

12、. 根据句意和所给汉语提示, 完成下列单词的拼写。1). Edison _ the electric lamp. 2). I lost my necklace last night. I havent _ it. 3). Who _ America first?4). The telephone _ in 1876. 5). Children also need time _ (玩耍). inventedfounddiscoveredto play was discovered Exercises. 根据汉语提示完成单词。 1. Thats the most _ (有用的) book. 2.

13、It is said that Thomas Edison had 1,093_ (发明) during his lifetime. 3. What is this kind of machine used for? Its used for _ (听) tomusic. 4. If you _ (加热) the ice, it will soon become water. useful inventions listening heat . 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