选修8 第三单元unit3 alexander bell.ppt

1、Using Language,ALEXANDER GRAHAM BELL,Telephones become one part of our life. But do you know who invented the telephone?,A British inventor called Alexander Graham Bell.,Pre-reading,first telephone design,Discuss the following questions: 1. What do you know about the inventor? 2. How useful is his i

2、nvention to human society? Why?,Using Language,ALEXANDER GRAHAM BELL,1. The text mainly tells us some information about_ . A. Bell and his telephone B. Bell and his telegraph C. Bell and his helicopter designs D. Bell and his inventions,Choose the best answer.,D,Reading Task 1: Get some general info

3、rmation of Bell.,He was born.,His family moved to Boston, USA.,He made his first invention.,He invented the first telephone.,He made his last invention.,1. He believed that one should always be curious and his most famous saying was: “Leave the beaten track occasionally and dive into the woods. Ever

4、y time you do you will be certain to find something that you have never seen before. Follow it up, explore all around it, and before you know it, you will have something worth thinking about to occupy your mind. All really big discoveries are the result of thought.”,他认为人应该保持一颗好奇心, 他最著名的 一名话是: “偶尔离开平

5、路, 去寻求困境。当 你这么做的时候, 你一定会发现你从未见过 的东西。跟踪下去, 不断探索, 不知不觉中, 你就会发现某种值得思考的东西占据着你 的头脑。所有真正伟大的发现都是 思考的结果。”,1. Leave the beaten track occasionally and dive into the woods.,偶尔离开平路，去寻求困境。,1) beaten track: 被踩出来的路；常规；惯例 His farm is off the beaten track. It is at least two miles from the main road. 他的农庄在偏僻的地方，离开大路

6、至少有两英里。,2) dive into He dived into the history of China The boy dived into the river from the bridge He dived into his pockets and fished out one dollar,跳水(头朝下); 迅速把手伸入; (对活动, 问题等) 全心投入, 潜心研究,He _ his career and made a great contribution to our country. A. dived himself into B. devoted himself to C.

7、 dived into D. devoted to,B,注意: dive into 作 “潜心于” 讲时和devote oneself to sth. 的意思一样, 但devote oneself to sth. 还有“投身于; 把自己奉献给” 的意思。,3) every / each time 意为“每次; 每当”, 此短语在句子中经常作连接词, 引导时间 状语从句做连词的名词, 引导时间状语从句。 能用做连词的名词短语还有： the first time 第一次 last time 上次 next time 下次 the instant / moment / minute / second

8、 一 就,第一次看见金门大桥, 我就深深爱上了它。 I loved Golden Gate Bridge the first time I saw it. 上次见他的时候我告诉他我想和他合作。 I told him that I wanted to team up with him last time I met him. 我一回家, 就开始下雨了。 The moment I got home that it began to rain. 下次我雇用厨师的时候, 我会打电话给你。 I will ring you up next time I hire a cook.,_ I see him,

9、the old man is sitting in the same chair. A. Every time B. Every time when C. At each time D. Each time that,A,4) follow sth. up 追究到底；（乘势）贯彻到底 e.g. Thats an interesting idea, and well certainly follow it up.,2. This original telegraph sent a message over distance using Morse code (a series of dots t

10、apped out along a wire in a particular order). 这种原始的电报是在一段距离中用莫尔斯电码传递信息（莫尔斯电码是通过电线发出的以特定的次序敲击出的一串点）。,dot n. 点;小圆点 The train arrived on the dot of three oclock. 那辆火车三点钟准时到达。 on the dot 准时，按时 vt. 打点于，使点缀于，星罗棋布于 The lake was dotted with little boats. 湖面上布满了小船。,tap n. 轻轻地敲击；水龙头 He cleaned his hands in t

11、he cold water from the tap. 他用自来水龙头流出的凉水把手洗净。 v. 轻打;轻敲;轻拍 That girl tapped her fingers on the desk impatiently. 那个女孩不耐烦地用手指轻扣桌面。,4. Suddenly he had a flash of inspiration. 突然间, 他灵光闪现。,a flash of inspiration 指“灵感的闪现” inspiration n. U灵感, 启发； C妙想，好主意，鼓舞或激励的人或事物 These events provided the inspiration for

12、 her first book. 这些事是她第一本书的灵感来源。,v. inspire 激励; 鼓励 adj. inspired （人作品）得到灵感的；有灵感的 adj. inspiring 鼓励人心的; 激励的,5. If sound wave could be reproduced in a moving electrical current, they could be sent along a wire. 如果声波能够在移动的电流中复制, 它们就能够被 沿电线传送。,1) reproduce vt. 复制; 再现的形象或声音 The tape recorder reproduced t

13、he symphony. 录音机可使这交响曲重现。 2) current n. 气流; 水流, 洋流; 电流； （事件、舆论等的）动向，趋势；潮流 adj. 时下的, 当今的, 流行的, 通用的 the current of public opinion 舆论的动向,Most of the old are interested in _ 大部分老年人都对时事感兴趣。 They are expecting profits of over $2 million in _. 他们期望今年的利润超过二百万美元。 The word is no longer _. 这个词已不再使用。,current ev

14、ents, the current year, in current use,current events,the current year,in current use,It is/was not until that . 这是强调not until 引导的时间状语从句句型。 It was not until he finished his homework that he went to bed.,6. The patent was given in 1876, but it was not until five days later that Bell sent the first te

15、lephone message to his assistant, Watson. 这项专利是1876年发布的, 但是贝尔是在5 天之后才跟他的助手华生通了第一次电话。,7. Being very stable, it has proved invaluable in the design of bridges. (四面体)十分稳定牢固, 在桥梁设计 领域的价值难以估量。,Being very stable, 是Because it is very stable的省略句, 它在句中作原因状语。,stable: 1. The patients condition is stable. 2. Th

16、e ladder doesnt seem very stable. 3.a stable relationship 4. We need a stable government.,牢固的; 稳定的; 安定的 （人、性格）可靠的，可信赖的，稳重的,stability n. 稳定; 安定；坚定；稳定性; （意志的）坚定；稳定; stabilize vt. 使安定/稳定,8. Although he is most often associated with the invention of the telephone, he was indeed a continuing searcher aft

17、er practical solutions to improve the quality of everybodys life. 虽然人们常把他和发明电话联系起来，但是他的确是一名永不停息的探索家，不断寻求着改善人们生活质量的途径。 associate with 把 和联系起来；和来往 In our minds the Spring Festival is associated with happy family reunions. 在我们心中，春节是和愉快的家庭团聚联系在一起的。 Her parents didnt like her associating with net friends. 她的父母不喜欢她和网友来往。,I didnt want to be associated with it at all. 我根本不想与这事有牵连。 associate n. C 伙伴;同事;朋友;合伙人He is one of my associates at the store. 他是我店里的一位同事。 association n. 协会，工会；联想；交往 2) indeed ad. (加强语气) 真正地, 确实, 实在A friend in need is a friend indeed. (表示让步)诚然, 固然He is indeed young, but h