1、M7U1 Living with technologyReading The evolution of video and sound devices 1. 1. 培養(yǎng)閱讀技能：本篇涉及到的閱讀微技能有：把握文培養(yǎng)閱讀技能：本篇涉及到的閱讀微技能有：把握文體風格，了解行文結(jié)構(gòu)；通過閱讀副標題了解特定信息體風格，了解行文結(jié)構(gòu)；通過閱讀副標題了解特定信息，按照時間線索查找細節(jié)信息。，按照時間線索查找細節(jié)信息。本版塊的教學目標本版塊的教學目標2. 2. 學習語篇中出現(xiàn)的新詞匯掌握重點詞匯及短語。學習語篇中出現(xiàn)的新詞匯掌握重點詞匯及短語。 3. 3. 分析理解長句和難句，回顧鞏固分析理解長句和難句，回

2、顧鞏固v-ingv-ing和和v-edv-ed的用法。的用法。4. 4. 客觀談論科技產(chǎn)品對生活的影響，辯證分析科技產(chǎn)客觀談論科技產(chǎn)品對生活的影響，辯證分析科技產(chǎn)品的利弊。品的利弊。Understanding headings Headings appear before_. They can show you _and give an idea as to the _.Early history of sound recordersSound and video recordersSound and video digitalEarly history of TVThe modern age

3、: satellite TV TV Sound and video devicesThe futureThe evolution/development is often organized in order of _. timeReading strategyReading strategyhow the text is organized contents of each sectioneach section of a text 1 1. Who developed the system used for most early TV broadcasts?2.Who made the f

4、irst recording of a human voice?3. What were developed by the late 1960s?SkimmingSkimmingJohn Logie Baird.Thomas Edison.Portable cassette players and video recorders.1877 The first recording of a human voice was made.1887 1925 1929 1938 1962 1967 1982 1993 1995 Scanning for the timeline for the deve

5、lopment of video and sound devices Scanning for the timeline for the development of video and sound devices 1877 The first recording of a human voice was made.1887 1925 1929 1938 Emile Berliner invented a record player that used discs to record on.The first public TV broadcasts were made in the US.R

6、egular public broadcasting began in London.The first colour TV programme was broadcast.1962 1967 1982 1993 1995 Satellites were used to broadcast TV.Regular colour TV broadcasts began in the UK.The first CDs were made available.The VCD was born.The DVD was invented. Read the text again and complete

7、Parts C1 P4.Careful reading:Useful expressionsUseful expressions1. 影像和聲音設(shè)備影像和聲音設(shè)備2. 不久以后不久以后3. 對對的發(fā)展做出貢獻的發(fā)展做出貢獻4. 在.取得突破取得突破 短時間內(nèi)短時間內(nèi) 跨越很遠距離跨越很遠距離 讓讓 可以獲得可以獲得8.衛(wèi)星天線衛(wèi)星天線9.一小部分一小部分10.受益于受益于11.將信號播送到將信號播送到12.用用A代替代替B13.用手上發(fā)條用手上發(fā)條14.錄像機錄像機15.電視臺電視臺16.數(shù)字化了數(shù)字化了17.隨著隨著的發(fā)展的發(fā)展18.數(shù)字技術(shù)數(shù)字技術(shù)19.讓讓成為過去成為過去20.和和跟上步

8、伐跟上步伐1. video and sound devices2. shortly afterwards3. contribute to the development of4. make breakthroughs in5. within a short time 6. over vast distances7. make sth. accessible to sb.1.影像和聲音設(shè)備影像和聲音設(shè)備2.不久以后不久以后3.對對的發(fā)展做出貢的發(fā)展做出貢獻獻4.在.取得突破取得突破 短時間內(nèi)短時間內(nèi) 跨越很遠距離跨越很遠距離5.讓某人可以獲得某讓某人可以獲得某物物8.衛(wèi)星天線衛(wèi)星天線9.一小部分

9、一小部分10.受益于受益于11.將信號播送到將信號播送到12.用用A代替代替B13.用手上發(fā)條用手上發(fā)條14.錄像機錄像機8. satellite dishes9. a small percentage of 10. benefit from 11. broadcast the signals to 12. use A as alternative to B13. wind sth. up by hand 14. video recorders15. TV stations16.（sth） go digital.17. with the development of 18. digital t

10、echnology19. make things of the past20. keep pace with15.電視臺電視臺16.數(shù)字化了數(shù)字化了17.隨著隨著的發(fā)展的發(fā)展18.數(shù)字技術(shù)數(shù)字技術(shù)19.讓讓成為過去成為過去20.和和跟上步伐跟上步伐evolutiondrawbackconstructaccessiblepercentagereceiver/receptionrecorder/recordingemployelectricaleventuallystorageforesee1. development syn.2. disadvantage syn.3. construction

11、 n.v.4. access n.adj.5. percent n.n.6. receive v. n.7. record v.n.8. use v.syn.9. electricity n.adj.10.finally syn.11. store v.n.12. predict syn.1. Regular public broadcasting followed shortly after, first beginning on 11 May 1928 in NewYork and on 20 August 1929 in London.(L4) 2. Modern TVs use man

12、y of the principles first discovered by Fransworth.(L10)Understanding sentences with v-ing or v-ed-ed之后不久便開始定期向公眾播放，在紐約首播的時之后不久便開始定期向公眾播放，在紐約首播的時間是間是1928年年5月月11日，在倫敦的是日，在倫敦的是1929年年8月月20日。日。當代電視使用了很多法恩斯沃思首先發(fā)現(xiàn)的原理。當代電視使用了很多法恩斯沃思首先發(fā)現(xiàn)的原理。3. Satellites were used to broadcast TV beginning in 1962.(L19)衛(wèi)星應用

13、于轉(zhuǎn)播電視節(jié)目始于衛(wèi)星應用于轉(zhuǎn)播電視節(jié)目始于1962年。年。4. They also make TV accessible to people who live far away from cities and satellite dishes can often be seen distributed throughout the countryside and remote areas.(L22) 5. However, most people still benefit from satellite TV, as local TVcompanies broadcast the signa

14、ls they get from satellite receivers to the population living nearby.(L24)他們也使得居住在離城市很遠地區(qū)的居民收到節(jié)目，他們也使得居住在離城市很遠地區(qū)的居民收到節(jié)目，在農(nóng)村和邊遠地區(qū)經(jīng)?？梢钥吹叫l(wèi)星天線。在農(nóng)村和邊遠地區(qū)經(jīng)?？梢钥吹叫l(wèi)星天線?？墒?，大多數(shù)人仍然可以得益于衛(wèi)星電視，因為當可是，大多數(shù)人仍然可以得益于衛(wèi)星電視，因為當?shù)氐碾娨暪景研l(wèi)星接收器上獲取的信號傳送給了地的電視公司把衛(wèi)星接收器上獲取的信號傳送給了在附近的居民。在附近的居民。John Logie Baired constructed the first

15、color TV in 1928, but it was not until 1938 that the first colour TV programme was broadcast.(L12)Sentence studyThe first color TV wasnt broadcast until 1938.約翰約翰. 洛吉洛吉.貝爾德在貝爾德在1928年制造出了第一臺彩色電年制造出了第一臺彩色電視機，但是知道視機，但是知道1938年第一個彩色電視節(jié)目才播出。年第一個彩色電視節(jié)目才播出。強調(diào)句：強調(diào)句：it is/was +被強調(diào)部分被強調(diào)部分+that+剩余部分剩余部分not.unti

16、l 句型強調(diào)句句型強調(diào)句It is/was+ not until .+that+ 剩余部分剩余部分 2. 2. It was not until the early 1950s that most tape recorders began using plastic tape as they do today.(L36)2. Most tape recorders didnt began using plastic tape as they do today until the early 1950s.直到直到20世紀世紀50年代早期，年代早期， 大多數(shù)的磁帶錄音機才大多數(shù)的磁帶錄音機才開始使

17、用如今天的塑料磁帶。開始使用如今天的塑料磁帶。1Have you seen the film Under the Hawthorn Tree? Of course, I have. It was in our village _ it was made.A. that B. where C. when D. which2. Its not what we do once in a while _ shapes our lives, but what we do consistently.A .which B. that C. how D. when 3. Was it on a lonely

18、island _ he was saved one month after the boat went down?A. where B. that C. which D. what高考鏈接高考鏈接ABB3. It took more than two decades, though, until 1951, for regular color TV broadcasts to begin in the USA. (13)4. It all began in 1877, when Thomas Edison made the first recording of a human voice on

19、 his invention, the recorder player.(L27)彩色電視節(jié)目到彩色電視節(jié)目到1951年才得以在美國定期播出，年才得以在美國定期播出，期間經(jīng)歷了二十多年的時間。期間經(jīng)歷了二十多年的時間。一切始于一切始于1877年，這一年托馬斯年，這一年托馬斯.愛迪生用他發(fā)明愛迪生用他發(fā)明的留聲機第一次錄下了人的聲音。的留聲機第一次錄下了人的聲音。7. Technology is now changing faster than most people can keep pace with. (L50)6.In 1982, the first CDs were made avai

20、lable.5.The first record player had to be wound up by hand and only played records that were two minutes long.L31最早的留聲機不得不手搖上發(fā)條，而且只能播放最早的留聲機不得不手搖上發(fā)條，而且只能播放兩分鐘的錄音。兩分鐘的錄音。1982年，最早的激光唱片出現(xiàn)了。年，最早的激光唱片出現(xiàn)了?，F(xiàn)在的技術(shù)變革快得大多數(shù)人都難以跟上。現(xiàn)在的技術(shù)變革快得大多數(shù)人都難以跟上。1. accessible2. delay3. distribute4. wind5. pace 6. foreseeKey

21、wordse.g. Regular color TV broadcasts were delayed in the UK until 1967. (L15) The flight was badly delayed because of fog.3. Big companies often delay paying their bills.4. We must leave without delay. 5. There was a delay of two hours before the plane took off. delay (v&n.)delay something dela

22、y sth. untildelay doingwithout delaya delay of(two hours)2. The opening of this section of the road is delayed until September. The Internet makes all kinds of information easily accessible to people.e.g. They also make TV accessible to people who live far away from cities, (sth.) be (easily) access

23、ible to sb.a place be easily accessible (by)where it is easily where it is easily accessible to childrenaccessible to childrenaccessible (adj.)2.You have many ways to get to Guangzhou , which is easily accessible by road, rail and air.3.There is a shopping mall which is easily accessible from my hom

24、e.4.Medicine should not be kept _ (孩子容易拿到的地方）孩子容易拿到的地方）.distribute( v.)1. At the beginning of each term teachers will distribute the new books to their students.e.g. and satellite dishes can often be seen distributed throughout the countryside and the remote areas.(L22) (sth) be distributed througho

25、ut a placedistribute sth. to peopledistribute sth. among people分布分布分發(fā)分發(fā)分配分配2. In this co-operative firm, profits are equally distributed among the workers. wind (v.) (wound, wound ) 4.wind a car window down/up 5. wind a tape back/forward/on wind (its way) through/along wind sth forward/backwind sth

26、(up)6. a winding path1. Do remember to wind (up)the clock .2. Highway 99 winds its way along the coast.3. Can you wind the video back a little way - I want to see that bit again.e.g. The first record players had to be wound up by hand pace (n.)3.Here in Bermuda, the pace of life is very slow.4.The s

27、upply of materials cannot keep pace with demand.2. She slowed down her pace so I could keep up with her. Its important for a firm to keep pace with changes in the market. 1. She took two paces forward to greet him.e.g. Technology is now changing faster than most people can keep pace with. (L50)5. 對一

28、個公司來說對一個公司來說, 能跟上市場的發(fā)展是很重要的能跟上市場的發(fā)展是很重要的. take a pace forwardslow/quicken ones pacethe pace of life keep pace withforesee(foresaw/foreseen)3. I hope the dining conditions in our school will be greatly improved in the foreseeable future.He foresaw that the job would take a long time. Some natural dis

29、asters can not be foreseen. e.g. Who can foresee what the future will bring?1. 他預見到做這件工作需要很長時間他預見到做這件工作需要很長時間.2. 有些自然災害是無法預見的有些自然災害是無法預見的.foresee sth.foresee +賓語從句賓語從句foreseeable adjSome natural disasters are not foreseeable. TV is popular in modern times. so most TV is popular in modern times. so m

30、ost of us spend a lot of time enjoying a variety of us spend a lot of time enjoying a variety of TV programs every day. What benefit of TV programs every day. What benefit does TV bring us? Does it have bad effect does TV bring us? Does it have bad effect on us? And why?on us? And why? Discussion Fi

31、rst of allFirst of all, watching TV has the value of giving people complete , watching TV has the value of giving people complete relaxation. After working hard all day, people can forget the relaxation. After working hard all day, people can forget the pressures and challenges of work when sitting

32、in front of TV. pressures and challenges of work when sitting in front of TV. In In addition to addition to being relaxing, TV is entertaining. As is known to all, TV being relaxing, TV is entertaining. As is known to all, TV offers a variety of movies, sports events and music to satisfy offers a va

33、riety of movies, sports events and music to satisfy peoples demands. peoples demands. Meanwhile, Meanwhile, TV helps to widen our knowledge TV helps to widen our knowledge and view by covering news.and view by covering news. HoweverHowever, TV has a bad effect on people, too. , TV has a bad effect on people, too. For one thingFor one thing, , it is a big time waster. it is a big time waster. Secondly,Secondly, TV has killed peoples TV has killed peoples creat