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首页>英语>课件>英语:Unit 4《When was it invented》课件(鲁教版九年级上)

英语:Unit 4《When was it invented》课件(鲁教版九年级上)

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资料类别:  英语/课件 所属版本:  鲁教版
所属地区:  全国 上传时间:  2012/10/19
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Unit 4 When was it invented ? Section A Talk about the history of inventions. The passive voice. Language Goals: Grammar Focus: 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 d a b e c 1c 1c When was the telephone invented ? I think it was invented in 1876. Julie Thompson battery-operated slippers Chelsea Lanmon heated ice cream scoop Jayce Coziar and Jamie Ellsworth shoes with adjustable heels 2a Listen and number the inventions in the order that you hear. 3 1 2 2b Who was it / were they invented by ? It was/ They were invented by Chelsea Lanmon. 3b What do you think is the most helpful invention? I think the most helpful invention is the light bulb. Why is that? Well, it gives people more time to work and play every day. The passive voice. 被动语态 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,被动语态表示主语是动作的 承受者, 在被动语态中动作的执行者有时用by短语表示 出来. 被动语态的构成: 助动词be+ (及物动词的) 过去分词 一般现在时 一般过去时 am (is, are) + done was (were) + done { The passive voice. 被动语态 被动语态的用法: 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. 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 (污染). The passive voice. 被动语态 主动语态变为被动语态的步骤: 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,即 “be + 过去分词” . 注意 be 动词要按新的主语的人称和数进行变化,时态要和原来 的主动语态的时态保持一致. 3. 原来主动语态句中的主语,如果需要,就放在by后面 以它的宾格形式出现. 如果没有必要就可以省略.其他的 成分 (定语,状语) 不变, 句式也不能变. The passive voice. 被动语态 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 主动语态改被动语态: Bell invented the telephone in 1876. was by Students’ book P 70, part 4. Section B salty: in the end: by mistake: by accident: according to: 咸的,含盐的. 名词,salty 加 y 构成形容词. 最后,终于. eg. Everything will be all right in the end. 弄错的,错误地. eg. He took the umbrella by mistake. 偶然,意外, 无意中. eg. I met her by accident in a crowded bus. 根据…, 按照 eg. We’ll be paid according to the amount of work we do. sour sweet sweet sweet crispy salty Listen and circle “T” (for true) or “F” (for false). The potato chips were invented by mistake. They were invented in 1863. The customer thought the potatoes weren’t thin enough. The customer said they weren’t salty enough. George wanted to make the customer happy. The customer was happy in the end. T F T F T F T F T F T F 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 were . Did you know were invented 1853 were crispy really salty Who invented tea? Did you know that tea, the most popular drink in the world (after water), was invented by accident? Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three 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 the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the world’s favorite drinks was invented. Read the article and write answers to the questions. 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? Write an article using the notes in the box. Who: college students What: metal pie plate, flying disk When: 1950 Where: bakery Bridgeport, Connecticut Why: new toy How: students eat pie, throw pie plates Today: clubs, magazines, festival From pie plate to flying disk. The flying disk was invented by college students. They used a metal pie plate from a bakery in Bridgeport, Connecticut. Students ate the bakery’s pies and then threw the pie plates. Today, there are flying disk clubs, magazines and a festival. a pen that listens and writes New invention: Use: It can listen to the writer and write by itself. Price : $ 50 music candle activity glasses temperature cup * *

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