2021年秋人教版九年级上册英语教学课件 Unit 6 Section A 1a-1c

1、 uTo learn to understand and use the passive voice(past tense) be + v (ed). uTo learn to listen for the details. uTo learn to talk about when the inventions were invented and who the inventions were invented by. Do you know the Four Great Inventions in ancient China? What are they? Except those inve

2、ntions, can you think of other famous ones? paper-making 造纸术造纸术 compass 指南针指南针 printing 印刷术印刷术 gunpowder 火火 药药 paper Cai Lun 105 A. D. printing Bi Sheng 1041-1045 What is it? Who and when was it invented compass 11th Century gunpowder 9th Century What is it? Who and when was it invented Do you know

3、what these inventions are? Do you know the following inventions? Who invented them? When were they invented? car Karl Benz in 1885 calculator in 1971 What is it? Who and when was it invented telephone in 1876 TV in 1927 What is it? Who and when was it invented Karl Benz Do you know who these invento

4、rs are? Alexander BellJ. L. Baird Can you match the inventions with the right inventors? 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them1-4 (1=first, 4= last) 1b Listen and match the inventions with the dates. _ 1876 _ 1885 _

5、 1927 _ 1971 d a c b a b d c Listen again and answer the questions. 1. Did grandmas family have a car? 2. Did grandmas family have a TV? Why? Yes, they had a car. No, they didnt have a TV, because they couldnt afford one. 1c Student B, cover the dates. Student A, ask Student B when the things in the

6、 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? B: It

7、 was invented by Baird. Pair Work T: When was the telephone invented? S: It was invented in 1876. T: Who was it invented by? S: It was invented by Bell. Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. The first telephone was invented (by Bell) in 1876. Be

8、ll 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. 18851885Henry Ford 19711971 19761976 19071907Wright Cray Bill Hewlett YearInventionInventor(s) 1902Air conditionerWillis Carrie 1903Gas-motored and

9、manned plane Wright brothers 1910The first talking filmThomas Edison 1923TelevisionLogie Baird 1928Penicillin (青霉素青霉素)Alexander Fleming 1937Photocopier (影印机影印机)Chester F Carlson 1940Colour televisionPeter Goldmark 1942Electric digital computerAmerican scientists 1945Atomic bombAmerican scientists 19

10、50Credit cardsRalph Schneider 1985Windows OSMicrosoft Company 1990World Wide WebTim Berners-Lee Write a passage about the inventions between 1940 and 1990. There were many inventions between 1940 and 1990. The first color television was invented by Peter Goldmark in 1940. . 1. invent v. 发明发明 指经过认识和实

11、践创造出前所未有的事物。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和和inventor都是名词，都是名词， 前者意为前者意为“发明发明”， 后者意为后者意为“发明家发明家”。 Language points discover, invent和和find都是动词都是动词, 它们的词义相近它们的词义相近, 但是有区别但是有区别: discover意意为为“发现发现”, ”, 指发现某种本来存在指发现某种本来存在, ,但但 以前未被发现或未为人所知的事物或现象。以前未被发现或未为人所知的事物或现象。

12、 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。 知识链接知识链接 invent 意为意为“发明发明”, ”, 指发明以前不存在的东西。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 意为意为“找到找到, , 发现发现”, ”, 指偶指偶然发现或几乎没有然发现或几乎没有 困难地发现。困难地发现。 I found some o

13、ld photos in that drawer. 我在那个抽屉里发现了一些旧照片。 discover, invent和和find . 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 _ (玩耍玩耍). invented found discovered to play w

14、as discovered . 根据汉语提示完成单词。 1. Thats the most _ (有用的有用的) book. 2. It is said that Thomas Edison had 1,093_ (发明发明) during his lifetime. 3. What is this kind of machine used for? Its used for _ (听听) to music. useful inventions listening . 句型转换。 1. The personal computer was invented in 1976. (对划线部对划线部

15、分提问分提问) _ _the personal computer _? 2. The shoes with lights were invented by Julie Thompson. (对划线部分提问对划线部分提问) _ _the shoes with lights _ _? A Chinese named Cai Lun invented paper. (改被动语态改被动语态) Paper _ _ _ a Chinese named Cai Lun. Whenwas invented Whowereinventedby was invented by .看图完成句子。 1. (1885, invented) Cars _ _ in 1885. 2. (around 1927, invented) The TV _ _ around 1927. wereinvented wasinvented 3. (1971, invented) The personal computer _ _ _ _ _ _ 1971. 4. (1896，invented) The telephone_ _ _ _ _ _ _. was invented in wasinvented in 1896 Paper _first _ about two thousand years