牛津高中英语模块7M7U1 Reading

1、M7 U1 Reading The evolution of video and sound devices,Language points,Important expressions,the evolution of video and sound devices Title shortly afterwards L4 contributed to the development of TV L6 was very primitive and had many drawbacks L8 made important breakthroughs L9 in the late 1920s and

2、 early 1930s L10 TVs use many of the principles L10 constructed the first colour TV L12 regular colour TV broadcasts were delayed L15,within a short time L15 Satellites allow TV programmes to be broadcast live L19 over vast distances L20 over a long distance L2 P5 make TV accessible to people who li

3、ve far away from cities L21 throughout the countryside and the remote areas L22-23 a small percentage of people L23,benefit from satellite TV L24 broadcast the signals L24-25 made the first recording of a human voice L27 used round tubes to record on L28-29 used discs as alternative to tubes L30 be

4、wound up by hand L31 Times surely have changed! L32 employed steel tape to record on L35 by the late 1960s L38-39,Sound and video go digital. L42 The first CDs were made available. L43 make things of the past L49-50 keep pace with L51 foresee what the future will bring L51-52 adaptations were made L

5、9 P5 Relay conversation and music L9 P5 had access to L13(倒数L3) P5 The primary means of getting news and entertainment L14(倒数L2) P5,Many different people contributed to the development of TV. (L6) 很多不同的人对电视的发展作出了贡献。 contribute: verb vi or vt 1) 捐助，贡献 必修6 Come to the meeting if you feel you have some

6、thing to contribute. Her family have contributed 50, 000 to the fund. 2) 投稿 She contributes to several magazines. contribute to sth. 有助于，成为的原因 Smoking certainly contributed to his early death.,注意：以下短语中 “to” 是介词， 后接名词或动名词： look forward to; take to; refer to; get/be used to; be/get/become accustomed t

7、o; lead to; contribute to； devote to; pay attention to; get down to; the key to,2. It took more than two decades, though, until 1951, for colour broadcasts to begin in the USA. (L13-14) 但是彩色电视节目一直到1951年才得以在美国开播,这其间一共经历了二十多年的时间。 though conj. 1) 虽然 She hasnt phoned, even though she said she would. 2)

8、但是 Theyre coming next week, though I dont know which day. adv. despite this: 可是,不过 We were at school together. I havent seen her for years though.,as if/though 似乎,仿佛 She looked as if shed had some bad news. I felt as though Id been lying in the sun for hours. They stared at me as if I was crazy. eve

9、n though 尽管 Even though he left school at 16, he still managed to become prime minister.,delay sth. until 推迟到,The opening of this section of the road is delayed until September.,2) to make someone or something late 延误seriously/badly/slightly etc delayed,The flight was badly delayed because of fog.,3

10、. Regular colour TV broadcasts were delayed in the UK until 1967. L15 delay (v.) 1) to wait until a later time to do somethingHe delayed his decision on whether to call an election. 推迟 delay doing sth.Big companies often delay paying their bills.,4. Satellites allow TV to be broadcast live over vast

11、 distances, L19-20 live (adj.) a live television or radio program is seen or heard on television or radio at the same time as it is actually happening 直播的 a live radio phone-in show There will be live TV coverage of tonights big match.2) not dead or artificial = living 生动的 experiments on live animal

12、s,3) a live performance is one in which the entertainer performs for people who are watching, rather than a film, record etc有生气的，活泼的 The band will be giving a live concert performance next week. a wire or piece of equipment that is live has electricity flowing through it （正在）通电的 Be careful - those w

13、ires are live.,live (adv.) The ceremony will be broadcast live on television. 直播 The match will be shown live by the BBC. I love their music, but Ive never seen them perform live. 现场 The band is playing live in Birmingham tonight. 现场,5. They also make TV accessible to people who live far away from c

14、ities, L21 accessible (adj.) easy to obtain or use 容易获得或使用 accessible tothe need for an efficient health service that is accessible to alleasily/readily accessibleComputers should be made readily accessible to teachers and pupils.,2) a place, building, or object that is accessible is easy to reach o

15、r get intoThe island is only accessible by boat.There is a church which is easily accessible from my home. 3) someone who is accessible is easy to meet and talk to, even if they are very important or powerfulI think that youll find shes very accessible.4) a book, poem, painting etc that is accessibl

16、e is easy to understand and enjoyHe wants his music to be accessible to everyone.,access (n.) 1) the right to enter a place, use something, see someone etc have access to 进入，得到，获得 1、Access to the papers is restricted to senior management.2、Cats should always have access to fresh, clean water.2) how

17、easy or difficult it is for people to enter a public building, to reach a place, or talk to someone （容易或难以）进入、通向 access to a house with easy access to the sea,access (n.)3) to succeed in entering a place or in seeing someone or something 获得进入的方法、找到进入的路、进入 gain/get access (to sth) The police managed

18、to gain access through an upstairs window. access (vt.) 使进入、获得（信息） to find information, especially on a computerUsers can access their voice mail remotely.,6. The first record players had to be wound up by hand L31 wind (v.) (wound, wound )1) to turn or twist something several times around something

19、 else 绕、缠绕 wind sth around/round sth The hair is divided into sections and wound around heated rods. 2) to turn part of a machine around several times, in order to make it move or start working 上/紧发条 also wind up Did you remember to wind the clock?,3) if a road, river etc winds somewhere, it has man

20、y smooth bends and is usually very long蜿蜒前行 wind (its way) through/along etc sth Highway 99 winds its way along the coast. a winding path 4) to make a tape move in a machine进带、到带 wind sth forward/back Can you wind the video back a little way - I want to see that bit again.,Understanding difficult se

21、ntences,1. Regular public broadcasting followed shortly afterwards, first beginning on 11 May 1928 in New York L4 Regular public broadcasting followed shortly after. Regular public broadcasting first _ on 11 May 1928 in New York.,began,2. it was not until 1938 that the first colour TV programme was broadcast. L12-13 The first colour TV programme _. 3. Satellites were used to broadcast TV beginning in 1962. L19 Satellites were used to broadcast TV and this _ in 1962.,was not b