Reading 1 Unit 1 Module 7 单词 词组：1. review 2. 播送，广播 3. altogether 4. consumer 5.uncertain 6. superior 7. 上发条；缠，绕 8. 便携的，手提的 9. evolution 10. assume 11. 跳，跳跃；弹起12. 喜悦，高兴； （使）高兴，（使）欣喜Lead in:1.black-and-white TV set/ color TV sets/ cable TV / satellite TV/ digital TV……2.略自主学习：1.It began on 11 May 1928 in New York and in London on 20 August 1929.2.It is the TV set combined with the World Wide Web.3.The cassette recorder.合作探究：1. A：1925 Wireless TV transmissions1923-1927 Early forms of TV invented1928 first long-distance TV broadcast1928-1929 Regular public broadcasting 1929 Color TV shown1948 Cable TV1951 Color broadcasts1962 Satellite TV1989 International standards for digital TV1996 WebTV set-up boxesB： 1877 The first recording of a human voice 1931 The first tape recorders 1948 Transistor invented 1954 Cassette recorders developed 1958 The first LPs (long-play records) 1979 The Walkman introduced 1982 The first CDs produced 1986 Walkman was added to the Oxford English dictionary 1987 Development of MP3 technology started in Germany 1992 The MD player was developed2. Audio devices Early history of audio devices organized by Tape recorders and players types of equipment Sound goes digital 自主学习：1.Because many different people contributed to the development of TV.2.Because digital TV allows the same services to be delivered with clearer pictures than before.3.The Web TV uses the WebTV set-top boxes to combine the TV set with World Wide Web. With interactive TV programming, people can play along with game shows, respond to questionnaires and chat to other viewers.4.It had to be wound up by hand and only played a record for two minutes.5.Many major corporations are taking over the portable music player market with MP3 players.合作探究：略【达标检测】:1. Complete the following blanks. (B 级)TitleTV and audio devices: a review / \TVPeriodYearEventEarly historyof TV1925The first public showings of wireless transmissions were made in the USA.1951Colour broadcasts began in the USA.The modernage: cable TV, satellite TV, digital TV, …1948Cable TV began in the USA.1962Satellites began to be used to broadcast TV .1989International standards for digital TV were established.1996The first Web TV set-top boxes came onto the market.audio devicesPeriodYearEventEarly history of audio devices1877The first recording of a human voice was made.1958The first LPs(long-play records) came onto the market.Tape recorders andplayers1954The invention of the transistor led to the development of cassette recording .Sound goesdigital1982The first CDs produced by using digital technology were made available.1987Development of MP3 technology started in Germany.1992Development of the MD player began.2. Multiple choice (C 级)ABADA CBBC
