高中英语选修七课件：Unit 1 Living with technology Reading(2).ppt

1、M7 U1 Reading,The evolution of video and sound devices Language points,M7 Unit 1 Reading,1. shortly afterwards 不久之后 2. contribute to 对作出贡献；促成；捐助；给写稿 3. made a breakthrough in 在有突破 4. in the late 1920s 在二十世纪二十年代晚期 5.delayuntil 把推迟到 6. in colour 彩色的 7. make a recording of 录制zxxk,Language Points:,8. wi

2、nd up 上发条 9. by hand 用手工 10. play records 播放录音 11. along with 和一道 12. with the development of 随着的发展 13. benefit from 从受益 14. keep pace with跟上步伐,1. principle n. 原理，法则；道德原则,行为准则,I refuse to lie about it; its against my principles. 我绝不为此事撒谎；那是违背我的原则的。 We stick to the principle that everyone should be t

3、reated fairly. 我们坚持人人都应该被平等对待这一原则。,知识拓展,on principle 出于道德准则 against ones principles 违背某人的行为准则 in principle 按道理，在理论上；原则上，基本上，大体上,2. construct vt. 建造；修筑，建筑；创建，组成,It took them two years to construct the bridge. 他们用了两年时间建这座桥。 The board of directors decided to construct a new communication network. 董事会决定

4、建立一个新的通信网。 知识拓展 construction n. 建造，建设；建造物，建筑物；结构 construct a theory/diagram/plan 创立理论；绘制图表；作出规划 be constructed from/of/out of 由建成under construction 在建造中,delay doing sth 推迟做某事 delayuntil 把推迟到 without delay（=immediately）立刻，立即,3. delay （1）vt. & vi. （使）推迟，（使）延迟The accident delayed the train for two hour

5、s. 事故使火车耽搁了两小时。（2）n. 延误，延迟；延误（或延迟）的时间My doctor advised me to give up smoking without delay. 我的医生劝我立即戒烟。,4. accessible adj. 可使用的；可见到的；可到达的；易理解的 be accessible to sb. 某人可以接触/看到 The remote desert area is accessible only by helicopter. 只有乘直升机才能进入那遥远的荒漠地区。 These documents are not accessible to the public.

6、 公众无法看到这些文件。,5. access n. 接近、进入、通路；接近 （或进入）的方法（或权力、机会等） have (no) access to （没有机会或不）可以使用 get access to 可以接近、进入 e.g. Before liberation, the labouring people had no access to education. e.g. You cant easily get access to him on weekdays. Z。xxk,Important sentences,1. John Logie Baird constructed the fi

7、rst colour TV in 1928, but it was not until 1938 that the first colour TV programme was broadcast. 2It took more than two decades , though, until 1951, for color broadcasts to begin in the USA. 3. They also make TV accessible to people who live far away from cities, and so satellite dishes can often

8、 be seen distributed throughout the countryside and remote areas.,4.However, most people still benefit from satellite TV, as local TV companies broadcast the signals they get from satellite receivers to the population living nearby. 5. It all began in 1877, when Thomas Edison made the first recording of a human voice on his invention, the rec