江苏省江阴市成化高级中学高中英语 Unit1 Living with technology Reading The evolution of video and sound devices教案 牛津译林版选修7 (2).doc

江苏省江阴市成化高级中学高中英语 unit1 living with technology reading the evolution of video and sound devices教案 牛津译林版选修7 reading: the evolution of video and sound devicesteaching aims: improve the ss other basic abilities: the use of the words and expressions in reading teaching procedures:step 1: readingwe have learned the development of tv and audio devices. today we will read the text and find the difficult language points in it.then ask students to put forward their difficulties in understanding the text.then write them on the blackboard.step 2 using dictionaries and reference books.ask students to use their dictionaries and reference books and find answers for them.let the students discuss them.step 3 explain the language points1、many different people contributed to the development of tv. contribute: vt. / vi. 贡献出；捐款；投稿 contribute to sth/doing sth “给捐款；把投入；有助于；是的原因；给投稿” her family have contributed 50, 000 to the fund.（捐赠50，000美元）she contributes to several magazines.smoking certainly contributed to his early death2、regular public broadcasting followed shortly after, follow: vi. 1). 跟随；随之而来 e.g.: you go first and i will follow. 你先走，我随后就到。 2). 由推断 的结果就随着而来vt. 听从；遵循；跟随；理解；顺行走；（时间，顺序等）继之后；跟发生；接着 spring follows winter. 冬去春来。 the typhoon was followed by beautiful weather. 台风过后就是晴朗的好天气。 v. 顺着行走/前进；倾听；了解（讲话，议论等） this road until you get to the university. i cant what you are saying.v. 听从指示等；遵循先例/规则；习俗等 the directions on the packages. she s the fashion as soon as it comes out. （跟时髦） as follows : 如下 he explained it as follows. following: adj. 其次的，接着的 in the following year3、though conj. 1) 虽然,即便she hasnt phoned, even though she said she would. 2) 但是theyre coming next week, though i dont know which day.3）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. 4）even though 尽管even though he left school at 16, he still managed to become prime minister.5）作连词，引导状语从句，有时为了强调，though 引导的从句一部分位于可以到装，相当于as 引导的让步状语从句。 child though (= as) he was, he knew what was right thing to do. (尽管他还是一个小孩)注意：though 不与but 连用，如果要强调反面，可用yet, still, nevertheless等副词。 though the water is deep, yet it is clear.adv. 可是；但是位于句中或句末 he said he would come; he didnt though. 4、percent: 百分之，用在数词后面。常和介词of连用；由其做主语，谓语动词要看of后面的名词或代词的数不同而变化。 30 of the steel has been exported. 10 of the students are absent.拓展：percentage: 表百分比，百分数不能与具体的数词连用。如：不能说30 percentage 表部分，后接of由其做主语，谓语动词要看of后面的名词或代词的数不同而变化。 percentage: 本身做主语，则谓语动词的单复数取决于上文的意思。 a large percentage of books have pictures.5、have / get access to 得到；表示有使用的权利或机会。 he may get access to classified information.access to : 接近；进入的里面去 it is difficult to gain access to him.与他接近很难 get access to : 进入电脑my son loves getting access to the internet and chat online on sundays.我儿子喜欢在星期天上网聊天。6、wind: 上发条；缠绕；转动，摇动 wound / wound up 上发条；摇动；转动；以告终；使（活动；会议等）结束 sth. around sth. 缠绕；卷绕 ones way 蜿蜒；曲折延伸 down 逐渐变慢；逐渐平静下来；放松 jim wound a piece of string around the box to keep it shut.吉姆用绳子把箱子捆住。she wound up the little car and let it go.她把下汽车的发条上紧，松手让它跑起来。the narrow road winds its way up t