牛津译林版选修7：Unit 1 Living with technology Reading课件 (共22张PPT)

课件22张PPT。 M7 Unit1Living with technologyWhat would life be like without them?Free talkaudio devicesReading: TV and audio devices -- a reviewa report of past eventsGuess according to the title:What does the passage talk about? What is the writer’s purpose in writing the passage?Read the text and finish Part A on P2.1. When did regular public TV broadcasting begin around the world? 2. What is WebTV? 3. What was invented in 1954?It began on 11 May 1928 in New York and in London on 20 August 1929.It is the TV set combined with the World Wide Web.The cassette recorder.Fast-reading:True or false exercisesThomas Edison made the first recording of a human voice. 2. Until 1972, most people used black-and-white TV. 3. Satellite TV is delivered with greater clarity than digital TV. 4. The first record player was invented before 1877. 5. Transistor technology was first used to receive radio programmes, and then to develop cassette recorders. 6. CDs were invented about ten years before the MD player was invented. 7. MP3 technology began in Germany in 1987.Digital TVsatellite TVaftermilitary usefor(by _____ of equipment)_____history of TVtypes(in order of_____ )Early history of_____ _____ _____ goes digitalTVAudio devicesEarlytimemodernSoundage: Cable TV, satellite TV, digital TV,… The _____audio devicesTape recorders and players How is the passage organized _____. A. by paragraphs B. in chronological order C. by concepts D. by sub-topicsStructurespecific yearsthe eventsCareful-readinghistory of TV19251948Colour broadcasts began in the USA.Satellites began to be used to broadcast TV.198919961. Who might be the inventor of the first TV? A. Vladimir Zworykin from Russia. B. Philo Farnsworth in the USA. C. John Logie Baird from Scotland. D. It remains uncertain. 2. How many countries have put digital TV into operation according to the passage? A. Only one. B. Already two. C. At most three. D. At least four. specific yearsthe eventsaudio devicesInvention of transistor led to the development of cassette recorders.First recording of a human voice was made.1958First CDs produced by using digital technology were made available.Development of MP3 technology started in Germany.Development of MD player began.3 American scientists invented the transistor.audio devices 1.Who might have attributed to the development of the Walkman? A. two Japanese engineers. B. three American scientists. C. Thomas Edison. D. Emile Berliner. 2. What is the main factor that causes the music websites to spring up all over the Internet? A. The popularity of Walkman. B. The development of the MD player. C. The development of MPs technology. D. The wide use of Discman. Task-reading任务型阅读contributionswirelessfollowedhouseholdsbeganmarketbetteravailabletechnologyinventorConsolidation The first public showings of _____ TV transmissions were made in 1925. It took another three years _____ there was any _____ public broadcasting, first in the USA and in the _____ year in Britain. People must ... ...