高二英语Livingwithtechnology课件1.ppt

1、 M7 U1 Living with technology TV and audio devices -a reviewWhat are they?TV sets.1.What kind of a TV do you have at home?How big is it?2.What audio devices do you choose to enjoy music?3.What other functions do you need in an audio device besides playing music?Are there any subtitles?subtitlesappea

2、r after titles give us more information about the text than the titleshow us how a text is organizedTV and audio devices -a reviewIn chronological orderBy sub-topicsBy concepts How is a text organized?TV and audio devices -a reviewHow is this text organized?You may not need to read the whole text if

3、 you can find what you are looking for under one or two subtitles.Read the subtitles and find out the answer to this question What is WebTV as fast as possible.It is the TV set combined with the World Wide Web.Part A Read the text quickly and answer the following questions:1.When did regular public

4、TV broadcasting begin around the world?3.What was invented in 1954?1.When did regular public TV broadcasting begin around the world?It began on 11 May 1928 in New York and in London on 20 August 1929.3.What was invented in 1954?The cassette recorder was invented in 1954.1.Thomas Edison made the firs

5、t 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.()TFFTPart C1lessin 18875.Transistor technology was first used to receive radio programmes,and then

6、used to develop the cassette recorders.()6.CDs were invented about10 years before the MD player was invented.()7.MP3 technology began in Germany in1987.()TFTfor military use firstRead the text again and choose the best answers according to the text:1)When and where was the first long-distance TV bro

7、adcast made?A.In 1925 in the USA.B.In 1926 in the UK.C.In 1928 in the UK.D.In 1928 in both the USA and the UK.D.In 1928 in both the USA and the UK.2)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 u

8、ncertain.D.It remains uncertain.3)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.B.Already two.4)Who might have attributed to the development of the Walkman?A.Two Japanese engineers.B.Three American scientists.C

9、.Thomas Edison.D.Emile Berliner.A.Two Japanese engineers.5)What is the main factor that causes the spring up of music websites all over the Internet?A.The popularity of Walkman.B.The development of the MD player.C.The development of MP3 technology.D.The wide use of Discman.C.The development of MP3 t

10、echnology.6)The passage is organized _.A.by paragraphs B.in chronological order C.by concepts D.by sub-topics D.by sub-topics7)Which of the following best shows the structure of the passage?BT(T=title=subtitle 1 =subtitle 2 =subtitle 3 =subtitle 4=subtitle 5)gramophonerecord playercassette recordert

11、ape recorderWalkmanDiscman/CD playerMD player/Mini Disc playerMP3 player8)How many audio devices are mentioned?What are they?Can you work out the timeline for the development of TV and audio devices?Complete the table(C2)!YEAREVENT 1925 1948 1951 1962 1989 1996First public showings of wireless TV tr

12、ansmissions were made in the USA.1948Cable TV began in the USA;Color broadcasts began in the USA.19511962Satellites began to be used to broadcast TV.19891996International standards for digital TV were established.First WebTV set-top boxes came onto the market.YEAREVENT 1877 1948 1954 1958 1982 1987

13、1992First recording of a human voice was made.YEAREVENT1948195419583 American scientists invented the transistor.Invention of transistor led to the development of cassette recorders.First LPs came onto the market.198219871992Development of MP3 technology started in Germany.Development of MD player b

14、egan.First CDs produced by using digital technology were made available.Can you work out the timeline for the development of TV and audio devices?Complete the table(C2)!YEAREVENT18771925First recording of a human voice was made.First public showings of wireless TV transmissions were made in the USA.

15、19481951Cable TV began in the USA;3 American scientists invented the transistor.Color broadcasts began in the USA.1954195819621982Invention of transistor led to the development of cassette recorders.First LPs came onto the market.Satellites began to be used to broadcast TV.First CDs produced by usin

16、g digital technology were made available.1987198919921996Development of MP3 technology started in Germany.International standards for digital TV were established.Development of MD player began.First WebTV set-top boxes came onto the market.Cloze test1.to 2.dated 3.before 4.was 5.a 6.which 7.birthpla

17、ce 8.internetE,Page5Fill in the blanks in the excerpt from WangLis report.Answers:1)wireless 2)broadcasting 3)Britain 4)65 5)200 6)households 7)recording 8)recorders 9)compact 10)GermanyD,Page4e d h c g f a b Fill in the blanks with proper words.1)It was my first chance to use that software to edit

18、the video extracts.I was u_ about how to add background music to it.2)Bell is c_ to have invented the first telephone.uncertainconsidered3)A lot of food and clothes have been d_ to the disaster-stricken area.4)When the company was e_ in 1990,it was very small.But it gradually developed into a big on

19、e in the next few years.5)Many new businesses have s_ up with the development of the Internet.deliveredestablishedsprungTranslate the phrases对对做出贡献做出贡献 contribute to 彩色的彩色的 in colour黑白电视黑白电视 black-and-white TV 比比好好;优于优于 be superior to有机会使用有机会使用 have access to上市上市 come onto the market做问卷调查做问卷调查 respo

20、nd to questionnaires与其他观众聊天与其他观众聊天 chat to other viewers被手动上发条被手动上发条 be wound up by hand电流电流 an electric current将将应用于应用于 applyto声音数字化。声音数字化。Sound goes digital.随后几年中随后几年中 in the following years 有史以来第一次有史以来第一次 for the first time ever正如名称所示正如名称所示 as the name indicates突然出现突然出现,涌现涌现 spring up If you coul

21、d own only one electronic device,what would you choose?Why?More and more people are using computers for information and entertainment.Do you think we still need books and TVs in the future?Why or why not?What are some possible disadvantages of using electronic devices?Read the text and try to memorize the words and expressions.Do language practice on page 102.