《江苏省常州市西夏墅中学高中英语 unit1 living with technology reading2课件 牛津译林版选修7》由会员分享，可在线阅读，更多相关《江苏省常州市西夏墅中学高中英语 unit1 living with technology reading2课件 牛津译林版选修7（20页珍藏版）》请在金锄头文库上搜索。
1、Unit,1,Reading 2 TV and audio devices: a review,Unit 1,课件描述： 这是Reading 板块的第二课时。由于Reading 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习和运用，如重要短语的理解和用法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.
2、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 principles,constructed the first colour TV regular colour TV broadcasts were delayed within a short time Satellites allow live TV programmes to be b
3、roadcast 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 people benefit from satellite TV broadcast the signals,made the first recording of a human voice used round tubes to record on used discs as a
4、lternative 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 goes digital. The first CDs were made available. with the adaptation of digital technology make things of the past keep pace with foresee w
5、hat the future will bring,Key words,1. contribute 2. adopt 3. delay 4. access 5. wind 6. tear 7. live,Many different people contributed to the development of TV. contribute (v.) 1. to give money, help, ideas etc. to something that a lot of other people are also involved in contribute to/towards City
6、 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 something happen contribute to Alcohol contributes to 100,000 deaths a year in the US. 3. to write articles, stories, poems etc for a newsp
7、aper or magazine contribute to one of several authors contributing to the book,Modern TVs adopt many of the principles first discovered by Farnsworth. adopt (v.) 1. to start to deal with or think about something in a particular way adopt an approach/policy/attitude etc. The courts were asked to adop
8、t 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 own, but hope to adopt a girl.,Regular colour TV broadcasts were delayed in the UK until 1967. delay (v.) to wait until a later t
9、ime to do something He 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 this section of the road is delayed until September. 2. to make someone or something late seriously/badly/slightly etc delay
10、ed The flight was badly delayed because of fog.,They also make TV accessible to people who live far away from cities, accessible (adj.) easy to obtain or use accessible to the need for an efficient health service that is accessible to all easily/readily accessible Computers should be made readily ac
11、cessible to teachers and pupils. a place, building, or object that is accessible is easy to reach or get into The island is only accessible by boat. There is a church which is easily accessible from my home. someone who is accessible is easy to meet and talk to, even if they are very important or po
12、werful I think that youll find shes very accessible. a book, poem, painting etc that is accessible is easy to understand and enjoy He wants his music to be accessible to everyone.,access (n.) 1. the right to enter a place, use something, see someone etc access to Access to the papers is restricted t
13、o 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 someone access to a house with easy access to the sea 3. to succeed in entering a place or in seeing someone or something gain
14、/get access (to sth) The police managed to gain access through an upstairs window. access (vt.) to find information, especially on a computer Users can access their voice mail remotely.,The first record players had to be wound up by hand wind (v.) (wound, wound ) 1. to turn or twist something severa
15、l 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 make it move or start working also wind up Did you remember to wind the clock? 3. if a road, river etc winds somewher
16、e, 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 wind 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.) to damage something such as paper or cloth by pulling it hard or letting it touch someth
