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1、Unit 1Living with technologyWarming upCan you make a list of the electrical appliances(电电气气设备设备)and electronic devices（电电子器件）子器件）you have at home?electrical appliances:A machine,usually one that is electrical,that is used for doing jobs in the home,such as washing clothes or cookingMost homes now ha
2、ve numerous electrical appliances,from dishwashers to microwave ovens.electronic devices:a usually small piece of equipment,especially advanced electronic equipmentSome cars are fitted with a safety device which wont let the car start unless passengers are wearing seat belts.Microwave ovensRefrigera
3、torsTV setsAir conditionersWashing machinesVacuum cleaners（吸尘器）（吸尘器）DishwasherComputersCD playersMobile phonesDigital cameraElectronic dictionariesInduction cooker(电磁炉电磁炉)Water heater（热水器）（热水器）Electronics devices advantages and disadvantages?Advantages:They are invented to meet peoples needs.They ha
4、ve improved peoples lives to some degree.Disdvantages:The radiation from some of the electrical or electronic devices,such as mobile phones,may be harmful to peoples health.When people buy new electrical or electronic devices,they throw away the old ones.This may generate a large amount of waste,whi
5、ch does harm to the environment.Do you agree with the following statements?1.Technology has seen some amazing developments in the last few decades.(P1)2.Technological inventions have greatly improved peoples lives.3.Science and technology is the first productive forceDevelopment of TVblack-and-white
6、 TVcolour TVLCD screen液晶显示器液晶显示器Picture 2:How did people record music in the past?Put the tapes into the recorder,then play the tape with music at one side and play the record button at the other side to record the music onto the blank tape.gramophone(留声机留声机)radio/tape recorderMP3 playerCD playerDev
7、elopment of audio(音响音响)devicesPicture 4:How did people keep in touch in the past?-by letter/telegraph/telephoneHow do people keep in touch now?-mostly by mobile phoneWhat functions do the latest mobile phones have?ReadingThe evolution of video and sound devicesReading strategy:Whats the function of
8、headings?1)Show you how a text is organized 2)Give an idea as to the contents of each section.Fast readingThe structure of the passage_history of TV Early history of_ goes_TVSound videoEarlymodern Sound and videoage:satellite TVThe _sound recorders Sound and video recordersdigitalThe futureExercises
9、 on Page 2 part A:1.Who developed the system used for most early TV broadcasts?John Logie Baird.2.Who made the first recording of a human voice?Thomas Edison.3.What were developed by the late 1960s?Portable cassette players and video recorders.Careful Reading?Complete the table Complete the followin
10、g table by filling in the event happening in a particular year.Year Event 1877The first recording of a human voice was made.1887 1925 1929 1938 1962 1967198219931995Year Event1877The first recording of a human voice was made.188719251929Emile Berliner invented a record player that used discs to reco
11、rd on.The first public TV broadcasts were made,in the USA.Regular public broadcasting began in London.1938196219671982 The first colour TV programe was broadcast.Satellites were used to broadcast TV.Regular colour TV broadcasts began in the UK.The first CDs were made available.Year Event19931995The DVD was invented.The VCD was born.