牛津英语模块七第一单元reading13720学习教案.pptx

会计学1牛津牛津(ni jn)英语模块七第一单元英语模块七第一单元reading13720第一页，共29页。 refrigerator第1页/共29页第二页，共29页。washing machine第2页/共29页第三页，共29页。Air conditioner第3页/共29页第四页，共29页。 microwave ovenmicrowave oven vacuum cleanervacuum cleaner第4页/共29页第五页，共29页。 desktop desktop laptop laptop第5页/共29页第六页，共29页。The evolution of video and sound devices第6页/共29页第七页，共29页。Reading strategy: understanding headingsIf you want to obtain some specific information, for instance, information about satellite TV, from this passage as fast as possible, what will you do? Looking at subtitles（副标题）（副标题）第7页/共29页第八页，共29页。_history of TV(in order of_ )Early history of_ goes digital TVAudio devicesEarlytimemodernage: Cable TV, satellite TV, digital TV, The _sound recordersSound and video第8页/共29页第九页，共29页。Part One:（L1-25)第9页/共29页第十页，共29页。black-and-white TV第10页/共29页第十一页，共29页。Make a timeline of the development of TV1925The first public TV broadcast were made in the USA1928Long-distance TV broadcast was made between the UK and the USA. Regular public broadcasting began. 1938The first color TV program was broadcast 1951Regular color TV broadcasts began in the USA第11页/共29页第十二页，共29页。John Logie BairdMost early TV broadcasts were made using his system. However, his system was very _and had many _.primitivedrawbacksEarly history(1-17)Early history(1-17)第12页/共29页第十三页，共29页。Philo FarnsworthHe made important _ in the development of TV. Modern TVs use many of the _ first discovered by him.breakthroughsprinciples第13页/共29页第十四页，共29页。1962 Satellites were used to broadcast TVThe Modern age(19-25) Satellites make TV _ to people who live far away from cities.accessible第14页/共29页第十五页，共29页。Satellite TV dishesThey can often be seen throughout the countryside and remote areas.However, most people benefit _ satellite TV, as local TV companies broadcast the _ to the population living nearby.fromsignalsdistributed第15页/共29页第十六页，共29页。Part Two:(L26-52)第16页/共29页第十七页，共29页。 1877 : Thomas Edison made the first recording of a human voice. 第17页/共29页第十八页，共29页。tubes Early record players used _to record on. 第18页/共29页第十九页，共29页。He used discs as alternatives to tubes.Whos he?Whos he?Emile BerinerEmile Beriner第19页/共29页第二十页，共29页。tape recorderssteel tapeSound and video devices (33-41)Sound and video devices (33-41) In1982, the first_used to copy sound were in Germany. Most early recorders employed _ to record on.steel tape第20页/共29页第二十一页，共29页。 Portable cassette player were develope by the _ late 1960s第21页/共29页第二十二页，共29页。Video recordersBy the late 1970s, video recorders for home use were introduced.第22页/共29页第二十三页，共29页。_(1982)Digital era数字数字(shz)时代时代_(1993)_(1995)VCDDVDthe first CDs Sound and video go digitalSound and video go digital第23页/共29页第二十四页，共29页。walkmanCD playerMP3MP4iPad第24页/共29页第二十五页，共29页。1. Color TV became popular within just a few years after it was invented. ( )2. People without satellite dishes do not benefit at all from satellite TV broadcasts. ( )Reading (Part C1):F（12-14）F（24）第25页/共29页第二十六页，共29页。3. Some of the first tape recorders used plastic tape to record on. ( )4. Records and cassettes do not offer as good a sound quality as CDs. ( )5. New technology will soon make many of the things talked about in the article out of date. ( ) T（43-45）F（28）T(49-50)第26页/共29页第二十七页，共29页。Keys for activity D.1. _ 2. _ 3. _ 4. _ 5. _ 6. _ 7. _ 8. _edhcfabg第27页/共29页第二十八页，共29页。Keys for activity E.1. _ 2. _3. _ 4. _5. _ 6. _7. _foresawdrawbacksconstructeddelayedpercentagereceiverEventually 第28页/共29页第二十九页，共29页。