Book7U1课件课时3Reading2

1、(模块七模块七 高二下学期高二下学期)reading 2tv and audio devices: a review板块：教学设计板块：教学设计-课件课件unit 1 课件描述：课件描述： 这是这是reading 板块的第二课时。由板块的第二课时。由于于reading 板块的文章不仅为学生提供板块的文章不仅为学生提供丰富的信息，同时又富含字、词、句等丰富的信息，同时又富含字、词、句等语言材料供学生学习，所以第二课时教语言材料供学生学习，所以第二课时教学主要关注学生对字词句等语言知识的学主要关注学生对字词句等语言知识的学习和运用，如重要短语的理解和用法学习和运用，如重要短语的理解和用法以及核心词

2、汇的理解和用法等。以及核心词汇的理解和用法等。important phrases the evolution of video and sound devices shortly afterwards contributed to the development of tv. was very primitive and had many drawbacks made important breakthroughs in the development of the tv in the late 1920s and early 1930s adopt many of the principle

3、s constructed the first colour tv regular colour tv broadcasts were delayed within a short time satellites allow live tv programmes to be broadcast over vast distances make tv accessible to people who live far away from cities throughout the countryside and the remote areas a small percentage of peo

4、ple benefit from satellite tv broadcast the signals made the first recording of a human voice used round tubes to record on used discs as alternative to tubes be wound up by hand times sure have changed! employed steel tape to record on paper tape also tore easily. by the late 1960s sound and video

5、goes digital. the first cds were made available. with the adaptation of digital technology make things of the past keep pace with foresee what the future will bringkey words1. contribute2. adopt3. delay4. access5. wind6. tear7. live many different people contributed to the development of tv. contrib

6、ute (v.) 1. to give money, help, ideas etc. to something that a lot of other people are also involved in contribute to/towards city employees cannot contribute to political campaigns. contribute sth. to/towards sth. the volunteers contribute their own time to the project. 2. to help to make somethin

7、g happen contribute to alcohol contributes to 100,000 deaths a year in the us.3. to write articles, stories, poems etc for a newspaper or magazine contribute to one of several authors contributing to the bookmodern tvs adopt many of the principles first discovered by farnsworth. adopt (v.)1. to star

8、t to deal with or think about something in a particular way adopt an approach/policy/attitude etc. the courts were asked to adopt a more flexible approach to young offenders.2. to take someone elses child into your home and legally become its parent the couple are unable to have children of their ow

9、n, but hope to adopt a girl. regular colour tv broadcasts were delayed inthe uk until 1967. delay (v.)1. to wait until a later time to do somethinghe delayed his decision on whether to call an election.delay doing sth.big companies often delay paying their bills.delay sth. until sth.the opening of t

10、his section of the road is delayed until september. 2. to make someone or something lateseriously/badly/slightly etc delayedthe flight was badly delayed because of fog. they also make tv accessible to people who live far away from cities, accessible (adj.)1. easy to obtain or useaccessible tothe nee

11、d 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 or get intothe island is only accessible by boat.there is a church which is easi

12、ly 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 accessible is easy to understand and enjoyhe wants his music to be accessible to everyo

13、ne.access (n.)1. the right to enter a place, use something, see someone etc access to access to the papers is restricted to senior management. cats should always have access to fresh, clean water. 2. how easy or difficult it is for people to enter a public building, to reach a place, or talk to some

14、oneaccess to a house with easy access to the sea 3. to succeed in entering a place or in seeing someone or somethinggain/get access (to sth)the police managed to gain access through an upstairs window. access (vt.)to find information, especially on a computerusers can access their voice mail remotel

15、y.the first record players had to be wound up by hand wind (v.) (wound, wound ) 1. to turn or twist something several times around something else 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 m

16、ake it move or start working also wind up did you remember to wind the clock? 3. if a road, river etc winds somewhere, it has many smooth bends and is usually very long 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 w

17、ind sth forward/back can you wind the video back a little way - i want to see that bit again. or paper tape, which was easier to use but often broke also tore easily. tear (v.)1. to damage something such as paper or cloth by pulling it hard or letting it touch something sharpbe careful not to tear t

18、he paper.tear sth. on sth.she realized she had torn her jacket on a nail.tear sth. offtear off the slip at the bottom of this page and send it back to us.tear sth. out (of sth.)he tore a page out of his notebook and handed it to her.2. the paper tears easily. 3. to pull something violently from a pe

19、rson or placetear sth. from sb./sth.he tore the letter from my hand.tear sth. off sth.high winds nearly tore the roof off the house.be torn1. if you are torn, you are unable to decide what to do because you have different feelings or different things that you want jess was torn by anger and worry. b

20、e torn between she was torn between her love of dancing and her fear of performing in public. 2. if a country or group is torn, it is divided because people in it have very different ideas and are arguing or fighting with each other the country was torn by civil war. she spent two months in the war-

21、torn country. phrasestear sb. /sth. to shreds/pieces tear apart to cause serious arguments in a group of peopletear at / to pull violently at someone or somethingtear away to make yourself or someone else leave a place when you or they do not want to leavetear down to destroy a building deliberately

22、tear off to remove your clothes as quickly as you cantear up (1)to tear a piece of paper or cloth into small pieces (2)to remove something from the ground by pulling or pushing it violentlytear up an agreement/a contract etc to say that you no longer accept an agreement or contract1. scandal is tear

23、ing the government _.2. they threatened to tear _ the peace agreement. 3. the children were screaming and tearing _ each others hair.4. she tore _ his letter and threw it away.5. trees were torn _ by the storm.6. a lot of the old tower blocks have been torn _ to make way for new housing.7. he was enjoying the fun and couldnt tear himself _.8. we finally managed to tear him _ _ the tv.9. he tore _ his clothes and dived into the water.satellites allow live tv programmes to be broadcast over vast distances, live (adj.)1. a live television or rad