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Unit 9When was it invented ?Section A1bListen and match the inventions with the dates.abedc18761885192719711976dabec1c1c1c1cA :When was the telephone invented ?B :I think it was invented in 1876.Julie Thompsonbattery-operated slippersChelsea Lanmonheated ice cream scoopJayce Coziar and Jamie Ellsworthshoes with adjustable heels2a2aListen and number the inventions inthe order that you hear.3122b2bWho was it / were they invented by ?It was/ They were invented by Chelsea Lanmon.2C PAIRWORK Sentence pattern: What is it / are they used for? Theyre used for seeing in the dark.3A PAIRWORK 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 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 light bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Yes, I think so. Because I always do homework and read books in the evening by its light.Dialogue 3: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.Dialogue 1:A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb. 3B PAIRWORKA: Why is that?B: Well, it gives people more time to work and play every day.4 GROUPWORK Imagine 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 .1. 世界上许多国家都讲英文。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。纸是中国发明的。 Paper was invented in China.3. 这栋大楼是去年建造的。这栋大楼是去年建造的。 The building was built last year.Make sentences4. 他父亲不会让他娶玛丽为妻的。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。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。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。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。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。他们说生产成本已经下降了。 They said that production costs had been reduced.Dialogue 1: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.移动电话移动电话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:n. 望远镜望远镜n. 信号灯信号灯The passive voice. 英语中动词有主动语态和被动语态两种语态，主动语英语中动词有主动语态和被动语态两种语态，主动语态表示主语是动作的执行者态表示主语是动作的执行者,被动语态表示主语是动作的被动语态表示主语是动作的承受者承受者, 在被动语态中动作的执行者有时用在被动语态中动作的执行者有时用by短语表示短语表示出来。出来。被动语态的被动语态的:助动词助动词be+ (及物及物动词的动词的) 过去分词过去分词 一般现在时一般现在时一般过去时一般过去时am (is, are) + donewas (were) + doneThe passive voice1. 不知动作执行者时不知动作执行者时,常用被动语态。常用被动语态。eg. My bike was stolen yesterday. This car is made in America.2. 不必要说出动作执行者时不必要说出动作执行者时,常用被动语态。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为了突出强调动作的承受者时,常用被动语态。常用被动语态。eg. Thousands of beaches are polluted (污染污染).The passive voice1. 把原主动句中的宾语转换为被动语态的主语。把原主动句中的宾语转换为被动语态的主语。2.把动词改为被动形式把动词改为被动形式,即即 “be + 过去分词过去分词” ， 注意注意 be动词要按新的主语的人称和数进行变化动词要按新的主语的人称和数进行变化,时态要和原来时态要和原来的主动语态的时态保持一致。的主动语态的时态保持一致。3. 原来主动语态句中的主语原来主动语态句中的主语,如果需要如果需要,就放在就放在by后面后面以它的宾格形式出现；以它的宾格形式出现； 如果没有必要就可以省略，其他的如果没有必要就可以省略，其他的成分成分 (定语定语,状语状语) 不变不变, 句式也不能变。句式也不能变。The passive voice被动语态被动语态主动语态变被动语态的结构图主动语态变被动语态的结构图:Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语The passive voice被动语态被动语态Bellinvented the telephonein 1876.wasbycrispy and saltyDescribe how food tastes.sour sweet salty:in the end:by mistake:by accident:according to:咸的咸的,含盐的含盐的. 名词名词,salty 加加 y 构成形容词构成形容词最后最后,终于终于 eg. Everything will be all right in the end.弄错的弄错的,错误地错误地eg. He took the umbrella by mistake.偶然偶然,意外意外, 无意中无意中eg. I met her by accident in a crowded bus. 根据根据, 按照按照 eg. Well be paid according to the amount of work we do.Listen and circle “T” (for true) or “F” (for false).1.The potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes werent thin enough.4.The customer said they werent salty enough.5.George wanted to make the customer happy.6.The customer was happy in the end.The history of chips_that potato chips were invented by mistake? 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 wereDid you knowwere invented1853were crispyreally saltyWho invented tea? Did you know that tea, the most popular drink inthe world (after water), was invented by accident?Although tea wasnt brought to the Western worlduntil 1610, this beverage was discovered overthree thousand years before that. According to an Ancient Chinese legend, the emperor Shen Nong Discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in thewater produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the worlds favorite drinks was invented.Read the article and write answers to the questions.1.What is the article about ?It is about the invention of tea.It was invented over three thousand years ago.It was invented by the Chinese emperor Shen Nong.It was invented by accident.3. Who was it invented by?4. How was it invented?2. When was it invented?1.The custom said they werent salty enough. 这个顾客说菜不够咸。这个顾客说菜不够咸。(1) said 后是宾语从句后是宾语从句, 省略了省略了that。当。当 宾语从句主句用一般过去时宾语从句主句用一般过去时, 从句也要从句也要用过去的某种时态。用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。他问我在等谁。Explanation但但enough 修饰名词时修饰名词时, 可以放在名词之前可以放在名词之前, 也可以放在名词之后。如也可以放在名词之后。如: I have enough money to buy it. ( I have money enough to buy it.)2.The potato chips were invented by mistake. 薯片是无意中被发明的。薯片是无意中被发明的。 mistake 做名词做名词, 意为意为 “弄错弄错, 误解误解” You have made a foolish mistake. 你犯了一个愚蠢的错误。你犯了一个愚蠢的错误。 mistake 作动词作动词, 意为意为 “弄错弄错,误解误解” She didnt speak very clearly so I mistook what she said. 她讲的不清楚她讲的不清楚, 所以我误解了她的话。所以我误解了她的话。 by mistake 意为意为 “错误地错误地,无意地无意地” I took his backpack by mistake. 我错拿了他的书包。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。他错把盐放进她的茶里。a pen that listens and writesNew invention:Use:It can listen to the writer and write by itself.Price :$ 50music candleactivity glassestemperature cup3a Reading 1. What is this article about? I think it is about the invention of tea. 2. Was it invented on purpose or by accident? By accident. The first sentence tells us that. 3. When was it invented? Over 3,000 years before 1610. 4. Who invented it? The emperor Shen Nong. 5. Who can tell us how it was invented? According to an ancient legend, once when Shen Nong was boiling drinking 3B WRITINGA 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. Write an article using the notes in the box.Who: college studentsWhat: metal pie plate, flying diskWhen: 1950Where: bakery Bridgeport, ConnecticutWhy: new toyHow: students eat pie, throw pie platesToday: clubs, magazines, festival Self Check 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.
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