人教版新目标初中英语九年级课件unit 9 when was it invented？

Unit 9When was it invented?,Section A,Words & Expressions invent be used for scoop adjustable heel battery operate slipper,发明；创造用来做v. 用勺舀 n. 勺子可调整的后跟；(足) 跟电池操作；作业拖鞋,人类的每一次改革都是社会前进的步伐，每一次思想的升华都越来越接近文明。发明使人类由黑暗走向光明。正因为如此，社会离不开发明。让我们一一起走向发明的前源吧。,5,2,4,1,3,Look at the things. In what order Do you think they were invented?,1a,first,second,third,fourth,fifth,Listen an inventions and the dates.,1b,1876年,Listening,1885年,1927年,1971年,1976年,Answers:,Girl: Life must have been difficult when you were a kid. Woman: Oh, not really. Why do you say that? Girl: Well, you didnt have many modern inventions. Like, you probably didnt have a telephone, right? Woman: Of course we did! How old do you think I am? The telephone was invented in 1876.,Girl: How about cars? I bet cars werent invented yet. Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you need to take a history class, Alice. Girl: Ha, ha! Well, did you have a TV? Woman: No, we didnt. The TV was invented around 1927, I think. Some friends of mine had one. But in those days,TVs were really expensive, and we couldnt afford one. Girl: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school that hand-held calculator were invented in 1971 and personal computers were invented in 1976. Woman: Youre right. I didnt have those things when I was young. But I do now!,Sample dialogues:A: When was the telephone invented?B: I think it was invented in 1876.A: When was the car invented?B: I think it was invented in 1930. I think it was invented after the telephone.,Pairwork,1c,Listening,3,1,2,2a,Julie Thompson,scooping really cold ice cream,shoes with adjustable heels,Jayce Coziar and Jamie Ellsworth,changing the style of the shoes,battery-operated sneakers,seeing in the dark,heated ice cream scoop,Lanmon,Chelsea,2b,Listen again and match the items in columns A, B and C.,shoes with adjustable heels,Chelsea Lanmon,scooping really cold ice cream,heated ice cream scoop,Julie Thompson,changing the style of the shoes,Boy: What are those? Girl: Theyre battery-operated slippers.Boy: What are they used for? Girl: Theyre used for seeing in the dark.Boy: Oh, thats cool! Who were they invented by? Girl: Julie Thompson. And look at this heated ice cream scoop. Boy: I know what its for! Its used for scooping out really cold ice cream.,Girl: Right. It was invented by Chelsea Lanmon. Boy: My favorite are those shoes with adjustable heels. You knowyou can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth. Girl: And what are they used for? Boy: Well, you can change the style of your shoes. You can make the shoes go from casual to dressy.,2c,Role play the conversations using the information in the chart above.,Oral Practice,Sentence pattern: What is it / are they used for? Who was it / were they invented by? It is / They are used for . It was / They were invented by .,Sample dialogues: A: What is this?B: This is a heated ice cream scoop.A: What is it used for?B: It is used for scooping really cold ice cream.A: Who was it invented by?B: It was invented by Chelsea Lanmon.,C: I dont think so. I think it was invented in 1873, so it was invented before the telephone.,D: I dont agree. I think it was invented in 1885 and it was invented after the telephone.,1. 世界上许多国家都讲英文。 English is spoken in many countries all over the world. 2. 纸是中国发明的。 Paper was invented in China.3. 这栋大楼是去年建造的。 The building was built last year.,英汉互译。,4. 他父亲不会让他娶玛丽为妻的。 He wont be allowed, by his father, to marry Mary. 5. 他们结束训练时将被派往部队。 They would be sent to the army when they finished the training.,6. 这个计划正在执行中。 The project is being carried out.,8. 这本小说已被译成了几种语言。 This novel has been translated into several languages.,7. 那时这案子正在调查中。 The case was being investigated then.,9. 他们说生产成本已经下降了。 They said that production costs had been reduced.,Grammar Focus,The passive voice 被动语态 语态是表示主语与谓语的关系的。如果主语是动作的执行者，动词要用主动语态；反之，如果主语是动作的承受者，动词就要使用被动语态。 被动语态谓语部分结构为助动词be + 过去分词。,各种句型的被动形式,肯定句 主语 + be + 过去分词 + （by ）否定句 主语+ be not +过去分词 +（by ）一般疑问句 Be +主语+过去分词 + (by )?特殊疑问句 疑问词 + be +主语 + 过去分词 + （by ）？,注意：这里 be 的形式决定了被动语态的时态，其后的过去分词没有变化。,重点内容,被动语态的用法1. 不知动作执行者时,常用被动语态.eg. My bike was stolen yesterday. This car is made in American.2. 不必要说出动作执行者时,常用被动语态。eg. Rome was not built in a day.3. 为了突出强调动作的承受者时,常用被动语态.eg. Thousands of beaches are polluted .,1. Printing was introduced into Europe from China.2. Who was the film the Golden Compass directed by?,印刷术是由中国传入欧洲的。,黄金罗盘是由谁执导的？,3. He is thought to be a good teacher.4. She is reputed to be the best singer in Europe.,他被认为是个好老师。,据说，她是全欧洲最好的歌唱家。,Maria bought the book last year. (主动句)The book was bought by Maria last year. When was the book bought by Maria?What was bought by Maria last year?,被动句：,让我们看一看各种句型的主动语态变为被动语态时，到底发生了什么变化？,do/does,is/am/are + done,did,will/be going to do,was/were + done,will be done,be going to be done,S +was/were+done,S +was/were+not + done,Was /Were+S + done?,S + will notbe + done,S +am/is/aregoing to be done,Am /Is/Are+S + going to be done?,S +am/is/arenot going to be done,Will+ S+done?,S + will be +done,Language point,1. I think the calculate was invented before the computer. 我认为计算器在计算机之前发明的。 (1) I think 后接的一个分句做I think 的宾语, 这个分句称叫做宾语从句。,(2) was invented 是被动语态。(3) invent 做动词, 意为 “发明,创造”,其名词有两种形式:一种为inventor “发明者”; 一种为 invention “发明,创造” 例如:Edison was a great inventor, he invented more than 1,000 inventions in his life.,2. Its used for scooping really cold ice cream. 它是用来舀十分冰冷的冰淇淋的。 句型be used for 意为 “被用来做”,介词for表示用途,后接名词或动名词。如:(1) sweater is used for keeping warm. 毛衣是用来保暖的。(2) The knife is used for cutting. 小刀是用来切削东西的。,be used as 意为”被当作来用”，强调被当作工具或手段来用。 be used by 意为“被使用，强调使用者。e.g. The big box is used as a table. The car is used by our manager.,3. Shoes with adjustable heels were invented by(1) with 是介词，意为”“具有，持有，带有”。e.g. a girl with long hair a house with a blue roof,(2) adjustable意为“可调整的，可调节的”。e.g. I have a pair of shoes with adjustable heels.(3) invent是动词，意为“发明，创造”。e.g. Edison invented the light bulb. invention是名词，“发明，发明物”e.g. Edison had about 2,000 inventions during his lifetime.,4. Battery-operated slippers were invented by operate用法：(1) “操作” e.g. Can you operate the computer?(2)“起作用，见效果” e.g. The sleeping pill operated at once.,(3)“经营，管理”e.g. The company operates ten factories.(4)“动手术”e.g. The doctor will operate on his mother next week.,3a. Pairwork,alarm clock,camera,light bulb,herbicide,microwave oven,refrigerator,vedio graphying machine,air conditioner,plastic bag,Can you think of others?,Helpful inventions: vacuum cleaner, soundproof door and window, car, computer, fax machine Annoying inventions: air-conditioner, truck, telephone, junk food, ice cream,Sentence pattern: What is this in the picture? What is it used for? Do you think it is helpful / annoying?,Dialogue 1:A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb.,3b.Pairwork,A: Why is that?B: Well, it gives people more time to work and play every day.,Dialogue 1:A: What is this?,B: It is an alarm clock. A: What is it used for?B: It is used for waking people up in the morning.A: Do you think it is annoying?B: Sometimes, when I want to go on sleep.,Dialogue 2:A: What is this?,B: It is a microwave oven. A: What is it used for?B: It is used for heating cold food and cooking meals.A: Do you think it is helpful?,B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.,4. Groupwork,Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you.,A: Id like to have a radio because I could listen to music all day. B: Yes, but thats not going to help you leave the island. I think it would be better to have .,A: Id like to have some matches because I could light a fire to keep warm.B: Yes, but thats not going to help you leave the island. I think it would be better to have a cell phone.,Dialogue 1:,A: Id like to have a telescope because I could look far.B: Yes, but thats not going to help you leave the island. I think it would be better to have a signal lamp.,Dialogue 2:,1. annoying adj. 讨厌的, 恼人的 (往往指事物)e.g. How annoying it is! 真讨厌。 annoyed adj. 生气的, 恼怒的 (往往指人)e.g. My father is annoyed with me. 爸爸在生我气。,2. helpful adj. 有帮助的, 有益的e.g. Mr. White is a very helpful man.构词法： n + ful adje.g. use + ful useful thank + ful thankful beauty+ ful beautiful care + ful careful,3.Imagine that you are alone on tiny island. alone adj. 意为“单独的”, 不带感情色彩。e.g. When his wife died, he lived alone. lonely adj. 意为“孤独的, 寂寞的”e.g. He feels lonely when he is alone. lonely 指地方时表示“荒凉的, 偏僻的”e.g. The old man lives in a lonely small village.,4. I think it would be better to have(1) would 在此处表示“料想或猜想、揣测”，后接动词原形或完成式。e.g. What would she be doing there?(2)It is better to do sth “最好做“，it是形式主语，动词不定式是真正的主语。e.g. It is better for you to walk to school. It is better to do sth=had better to do sth,Section B,crispy and salty,Describe how food tastes.,crispy,sweet,sour,sweet,sour,sweet, crispy, salty, sour,salty,sweet,sweet,1b.Write the name of a different food after each word.,sweet: crispy:salty:sour:,banana, apple, cakepotato chips, saladpizzagrape, lemon,2a.Listening,Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough.,T,F,T,4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end.,T,F,F,_that potato chips were invented by mistake? Potato Chips _by a chef called George Crum. They were invented in_. George Crum cooked them for a long time until they _And he sprinkled lots of salt on them so they were_.,The history of chips,Did you know,1853,were crispy,really salty,were invented,2c. Pairwork,A: Did you know potato chips were invented by mistake?B: Wow, I didnt know that. Who invented them?A: it was invented by a chef called Geroge Crum.,1. Potato chips were invented by mistakes. mistake 作名词 “错误，误会”。也可以作动词 “弄错，犯错”。常见形式有：make a mistake 出错e.g. You have made a mistake here.,Explanation,mistakefor 错把当作 They mistook him for his brother. by mistake 错误地 e.g. They sent the letter to me by mistake.,by mistake 意为 “错误地,无意地” I took his backpack by mistake. 我错拿了他的书包。 He put salt in her cup of tea by mistake. 他错把盐放进她的茶里。,mistake 做名词, 意为 “弄错, 误解” You have made a foolish mistake. 你犯了一个愚蠢的错误。 mistake 作动词, 意为 “弄错,误解” She didnt speak very clearly so I mistook what she said. 她讲的不清楚, 所以我误解了她的话。,2.The custom said they werent salty enough. 这个顾客说菜不够咸。(1) said 后是宾语从句, 省略了that。当 宾语从句主句用一般过去时, 从句也要用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。,但enough 修饰名词时, 可以放在名词之前, 也可以放在名词之后。如: I have enough money to buy it. ( I have money enough to buy it.),3. George wanted to make the customer happy. make表示“使怎么样”，其后常带复合宾语。常见结构为：主语+make+宾语+名词/形容词(做宾补)。例如： The boss can make the young man a rich man.,3a.Reading,1. What is this article about? I think it is about the invention of tea.,2. When was it invented? Over 3,000 years before 1610. 4. Who was it invented by? The emperor Shen Nong. 5. How was it invented? According to an ancient legend, once when Shen Nong was boiling drinking,water over an open fire, some leaves from a nearby bush fell into the water and remained there for some time. He noticed that the leaves in the water produced a pleasant smell. Later he tasted the water and found it quite delicious. Thats how he discovered tea.,Match them into sentences.,The tea,wasnt brought,to the western world until 1610.,Shen Nong,was boiling drinking water,over an open fire,Some leaves,fell,to the water,The emperor,decided,to taste the hot mixture,3b. Write an article using the notes in the box.,Writing,A sample version,From pie plate to flying disk The flying disk was invented by college students. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery,in Bridgeport, Connecticut. They found it interesting to throw the pie plates with each other. Then it became a game. Today, there are flying disk clubs, magazines and even a festival.,4a. Think of something that you dont like doing. Then think of an invention that could help you. Write the details in the chart.,Problem: we often get hurt by the hot water in the cup.New invention: a cup that can tell you the temperature of the water.Use: It can show the temperature of the water.Price: $ 50,1. Did you know that teawas invented by accident? by accident “偶然地，碰巧”。同义词组 是by chance，同义词是accidentally, 反义 词组是on purpose. e.g. he found a new way to solve the problem by accident.,Explanation,2. Although tea wasnt brought to the western world until 1610, this beverage was discovered over three thousand years before that. 虽然茶直到1610年才传入西方世界, 但这种饮料在三千多年前就被发现了。,(1) although 作连词, 意为 “虽然,尽管”,引导让步状语从句, 我们不能根据汉语习惯, 在后面使用连词but, 不过它可以与yet, still连用;若主从句的主语相同, 且从句谓语含有动词be, 可将从句主语和动词be省略。,Although (it was) snowing, it was not very cold. 虽然在下雪, 但是天气不是很冷。 There is air around us, although we cant see it. 尽管我们看不见, 但我们周围全是空气。,notuntil 意为 “直到才”until 引导一个时间状语从句。 He did not go to bed until his father came home. 直到他爸爸回家时他才睡觉。,3. According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open air. 根据中国古代的一个传说, 神农帝在户外的火上烧饮用水时发现了茶叶。,According to 是个短语介词,意为 “根据;依照”后接代词,名词或由疑问词以及whether引出的名词性从句。 According to the radio, it will rain tomorrow. 根据收音机说,明天有雨。 According to what you said just now, he was right then. 根据你刚才说的,那么他就对了。,discover意为“发现”，指发现的对象是 本来存在的。 find意为“找到”，强调结果。 invent意为“发明”，发明的对象是以前没 有的东西。,leaf 的复数形式为leavesremain 表示 “继续留在某处”,4. Some leaves from a nearby bush fell into the water and remained there for some time. 一些叶子从附近的灌木丛落到水里。并在水里浸泡了一段时间。,How long will you remain here? 你要在此地停留多久?fall into “落入, 陷入” He was drunk and fell into the water. 他酒醉跌落水中。,用所给词的正确形式填空。,1. The TV _ (invent) around 1927.2. They are used for _(see) in the park.3. This kite _ (make) by Uncle Wang.4. Tea _ (discover) a long time ago.5. Our classroom _ (should clean) every day.,was invented,seeing,was made,was discovered,should be cleaned,Self Check &Reading,Words & Expressions lemon cookie abacus century rank notice including indoors,柠檬小甜饼干算盘世纪；百年顺序；级别注意到；留心包含；包括在户内,Words & Expressions wooden knock basket metal below towards develop equipment,木制的敲; 碰撞篮; 筐金属在下面; 低于向; 往发展; 完善装备; 器材,1,Fill in the blanks in the sentences below with words from the box.,crispy,sweet,sour,salty,Explanation,1. I prefer lemons to oranges. prefer是动词，意为“更喜欢”，常可与 like better, instead进行替换。常见句式有 prefer A to B, prefer doing to doing B, prefer to do A rather than do B. 例如： I would prefer playing outside to watching TV. I prefer to go to the movie rather than stay at home.,2. They are hard, dry and easily broken. broken为 break的过去分词，相当于形容 词的作用，意为“碎了的 ，坏了的”,可作 定语或表语。例如： -Whats wrong with your watch? -Its broken. There is some broken glass on the ground. Be careful of the glass broken by the cat.,2,Find out when these things were invented, and then write about them.,The abacus was invented in the sixth century by Chinese people.,The umbrella was invented about 4000 years ago in Assyria, China and Egypt.,In Italy in 1854, Ignatio Porro invented the binoculars.,The Camera was invented by Joseph Nicephore Niepce in 1827 who took the first picture.,The bicycle was invented in the 1880s in England.,A sample version,The abacus was invented in the sixth century by Chinese people. The umbrella was invented about 4,000 years ago in Assyria, China and Egypt. The binoculars was invented in 1854 by Galileo Porro in Italy. The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture. The bicycle was invented in 1880s in England.,Writing,3,000 BC - The abacus, built out of wood and beads, used the concepts of one set of objects standing in for objects in another set, but also the concept of a single object standing for a collection of objectspositional notation.,- Early tables, named abaci, formalized counting and introduced the concept of positional notation. - Early man counted by means of matching one set of objects with another set (stones and sheep). invention, history, inventor of, history of, who invented, invention of, fascinating facts.,The basic umbrella was invented over four thousand years ago. We have seen evidence of umbrellas in the ancient art and artifacts of Egypt, Assyria, Greece, and China. These ancient umbrellas or parasols, were first designed to provide shade from the sun. The Chinese were the first to waterproof their umbrellas for use as rain protection.,Soon after telescopes were invented, people started to fasten two of the long tubes together to make binoculars (from the Latin two eyes). Around 1900, a German physicist named Ernst Abbe made a pair of binoculars using prisms. The triangular prisms each reflected the incoming light twice. This meant it was possible to make a shorter instrument. T