九年级英语上册 Unit 4 Topic 1 When was it invented Section B课件 (新版)仁爱版 课件VIP免费

Unit 4 Amazing ScienceUnit 4 Amazing Science Topic 2 When was it invented?Great inventions make our life colorful! Please choose one to talk about.English Learning Machine/Around 2005/Beijing Ren’ai Education Institute/learn Englishdigital camera/1975/America/take photos MP3 player/1998/Korea/listen to music mobile phone/1973/America/communicate easilyScience make our world wonderful!Michael, Jane and their classmates are visiting the Science Museum.Look, a light bulb!When was it invented?Who was the inventor?Listen and answer the questions.In 1987, by Thomas EdisonRead 1a and fill out the table.InventionInventorYearLight bulb Guglielmo Marconi 1903RadioAirplaneThomas EdisonWilbur andOrville Wright 18791895 重点词（组）和句型1.in our daily life in our everyday life 2.invent v. inventor n. invention n. The inventors invented many great inventions.3.It’s said/reported that-clause.4.during one’s life in one’s life invent /America/in 1946A: Where were computers invented?B: They were invented in America.A: When were computers invented.B: They were invented in 1946. Look and talk about the picture.Pair work. Make up dialogs after the example. ShenzhouⅦlauch /in China/in 2008Pirates of the Caribbeandirect/by Gore Verbinski/in 2006laptopinvent/in Japan/in 1985Know something about science.Cloning----- a famous experiment the cloned sheep--- was created in Scotland a few years ago.the cloned micethe cloned cowsthe cloned pigsthe cloned animalsListen and answer the questions.1.What’s the name of the cloned sheep? Dolly.2.What animals have the scientists cloned now? Sheep, rabbits, cows, mice, pigs and some other animals.3.What is used in cloning? DNA.4.Is your DNA similar to your parents’? Yes, it is.5.What does the writer want to clone? What...