九年级UNIT 9 Section A-1 课件.

1、Unit 9 Section A Period 1 (1a 2c） Do you know the following inventions? Who invented them, and when? paper 105 A. D. printing 1041-1045 compass 11th Century gunpowder 9th Century car in 1885 calculator in 1971 telephone in 1876 TV in 1927 Who invented the telephone ? Who was the telephone invented b

2、y ? Bell invented the telephone. It was invented by Bell. 看图完成句子看图完成句子 1. (1885, invented) Cars _ _ in 1885. 2. (around 1827, invented） The TV _ _ around 1827. 答案：答案：1. were invented 2. was invented 3. (1976, invented) The personal computer _ _ _ _ _ _ 1976. 4. (1971，invented) The hand-held calculat

3、or _ _ _ _ _ _ _ . 答案：答案：3. was invented in 4. was invented in 1971 5. (1876, invented) _ _ _ _ was invented _ _ _ _ . 答案：答案：5. The telephone; in 1876 1b Listen and match the inventions with the dates. _ 1876 _ 1885 _ 1927 _ 1971 _ 1976 d a e c b Read the following conversation. Make a similar conve

4、rsation with your partner. A: Whats this called in English？ B: Its called a TV. A: Is it an invention? B: Yes, it is. A: When was the TV invented? B: It was invented in 1926. A: Who was it invented by? B: It was invented by Baird. T: Whats this called in English? S: Its called a telephone. T: Is it

5、an invention? T: When was the telephone invented? S: It was invented in 1876. T: Who was it invented by? S: It was invented by Bell. S: Yes, it is. 18851885Henry Ford 19711971 19761976 19071907Wright Cray Bill Hewlett heel battery scoop The heel is adjustable. She is scooping by using the scoop. New

6、 Words be used for scoop v. adjustable adj. heel n. battery n. operate v. slipper n. heat v. 用来做用来做 勺子；球星勺；长柄勺勺子；球星勺；长柄勺 可调整的可调整的 （鞋，袜等的）后跟（鞋，袜等的）后跟 电池电池 操作；作业操作；作业 拖鞋拖鞋 加热；使变热加热；使变热 3 2 1 2a Listen and number the inventions in the order that you hear them. 2b Listen again and match the items in col

7、umns A, B and C. changing the style of a shoe Julie Thompson heated ice cream scoop seeing in the dark Jayce Coziar and Jamie Ellsworth battery- operated slippers scooping really cold ice cream Chelsea Lanmon shoes with adjustable heels What is it / were they used for? Who was it / were they invente

8、d by? invention AB C 2c Pair Work Role play conversations using the information in the chart above. A: What are they used for? B: Theyre used for seeing in the dark. 10 Most Important Inventions Throughout History The Computer The Internet Electricity The Wheel Telephone The Light Bulb Flight Car Pe

9、nicillin Nuclear Energy Armadillo Breadbox Lull Lamp COOL INVENTIONS Ergonomic Ladder The Weight Watch Belt invent v. 发明发明 指经过认识和实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。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“发发 明明”, 后者意为后者意为“发明家发明家”。 discover, invent和和fin

10、d都是都是 动词动词, 它们的词义它们的词义 相近相近, 但是有区别但是有区别: discover意为意为“发现发现”, 指发现某种本来存在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。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. 丢了的自行车在公共汽车站那儿找到了。丢了的自行车在公共汽车站那儿找到了。 Later I discovered that he was so kind. 后来我才发现他那么善良。后来我才发现他那么善良。 invent 意为意为“发明发明”, 指发明以前不存在的指发

11、明以前不存在的 东西。东西。 Do you know who invented the computer? 你知道谁发明的电脑吗？你知道谁发明的电脑吗？ find 意为意为“找到找到, 发现发现”, 指偶然发现或几指偶然发现或几 乎没有困难地发现。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。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 _Ameri

12、ca first? invented found discovered The telephone _ in 1876. A. invented B. was invented C. was found D. was discovered 【点拨点拨】选选B。句意：电话是。句意：电话是1876年发明的。年发明的。 invent “发明发明”，且，且telephone与与invent 之间之间 是动宾关系，应用被动语态。故选是动宾关系，应用被动语态。故选B。 be used for . 被被用来用来 是由是由“use sth. for sth. / doing sth.”结构转结构转 变而来变而

13、来,介词介词for在这里表示用途或作用在这里表示用途或作用, 后后 面可以接名词、代词或动词面可以接名词、代词或动词-ing形式。形式。 This machine can be used for cutting grass. 这个机器可以被用来割草。这个机器可以被用来割草。 be used as意为意为“被用作为被用作为，被，被 作作 为为使用使用” English is used as a foreign language in China. be used by意为意为“被被使用使用” Rubbers are used by the students to correct mistakes

14、. 链接链接: English is widely used _ many people around the world _ a second language. A. by；for B. by; as C. as；for D. for；as 【点拨点拨】选选B。句意：英语被世界各地的许。句意：英语被世界各地的许 多人作为第二语言广泛使用。多人作为第二语言广泛使用。by 意为意为“被；被； 由由”，用于被动语态中，后跟动作的执行，用于被动语态中，后跟动作的执行 者；者；as作介词，意为作介词，意为“当作当作”。故选。故选B。 used to do sth.意为意为“过去常常做某事过去常常做某

15、事”。 I used to smoke when I was young. use sth. to do sth.意为意为“使用某物来做某使用某物来做某 事事”, 其被动结构为其被动结构为“sth. be used to do sth.”。 These knives are used to cut pies. 根据句意和所给汉语提示根据句意和所给汉语提示, 完成下列单词的完成下列单词的 确拼写。确拼写。 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

16、 lifetime. 3. - What is this kind of machine used for? - Its used for _ (听听) to music. 4. If you _ (加热加热) the ice, it will soon become water. 5. Children also need time _ (玩耍玩耍). useful inventions listening heat to play 句型转换句型转换 1. The personal computer was invented in 1976. (对划线部分提问对划线部分提问) _ _ the personal computer _ ? 2. The battery-operated slippers were invented by Julie Thompson. (对划线部分提问对划线部分提问) _ _ the battery-operated slippers _ _ ? 答案：答案：1. When was；invented 2. Who were； invented by 3. Knives are used for cutting things. (对划线对划线 部分提问部分提问) _ _ knives _ _ ? 4. A Chine