1、Unit 3 Inventors and inventions,Using language,Alexander Graham Bell,Lead-in,Telephones become part of our life. But do you know who invented the telephone?,A British inventor called Alexander Graham Bell.,Discuss the following questions in groups: 1. What do you know about the inventor? 2. How usef
2、ul is his invention to human society? Why?,Pre-reading,Bell is known for much of his work for deaf education. He became a professor of vocal physiology at Boston University.,His job was to help deaf people to understand speaking people and to make themselves understood by learning how to speak. When
3、 he invented the telephone, he was testing a method of helping a deaf person to hear.,Read the passage quickly and find out the main idea of it.,It mainly talks about the life of Alexander Graham Bell and how he made the great inventions.,Read the passage again and answer the questions. 1. What does
4、 Bells saying mean to you?His saying means that it is important to be experimental. By being curious and exploring around a subject you may by chance come up with some new and original ways of solving a problem.,2. What do you think led to his success as an inventor of the telephone?His curiosity an
5、d exploring spirit led to his success as an inventor of the telephone.,3. What inventions did Bell make?,Bell invented the telephone and the tetrahedron shape by chance. Both of these are extremely useful and still used today.,4. Why will he always be known as the inventor of the telephone?He will a
6、lways be known as the inventor of the telephone because it was a very popular invention and the patent made the most money ever.,Read the passage carefully and fill in the blanks.,Scotland,deaf,led him to,telegraph,carry a man,triangles,1. He believed that one should always be curious and his most f
7、amous saying was: “Leave the beaten track occasionally and dive into the woods. Every time you do you will be certain to find something that you have never seen before.,Language points,Follow it up, explore all around it, and before you know it, you will have something worth thinking about to occupy
8、 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) dive intoe.g. He dived into the history of China.他潜心研究中国历史。He dived into his pockets and fished out one dollar
9、. 他迅速把手伸进口袋掏出了一美元。,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,The boy dived into the river from the bridge.这男孩从桥上跳入河中。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。,He _ his career and made a great contribution to our country.A. dived himself into B. devoted
10、himself toC. dived intoD. devoted to,2) 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。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 that 一 就,_ I see him, the old man is sitting in the same chair. A. Every time B. Every time whenC. At
11、each time D. Each time that,2. Bell never set out to invent the telephone and what he was trying to design was a multiple telegraph. 贝尔从未打算发明电话而是试图设计一种复式电报。,set out (to do sth.) 开始（做某事）, 着手干; 为某个目标而努力 e.g. They are setting out to do a new experiment.他们正在着手做一项新的试验。He set out to break the record for t
12、he channel swim.他决心打破游过海峡的记录。,set out to do sth. = set about doing sth. set out for = set off for = leave for 意为“出发到去” e.g. Lets set out before dark.我们天黑前动身吧。Tomorrow Ill set out for Beijing. 明天我将出发去北京。,1) At dawn, they set _ to get ready for the work of the day.A. off B. about C. out D. in,2) They
13、set _ at about 8 oclock.A. about to work B. about to working C. about working D. out work,3. They _ the mountain at noon.A. set off to B. set out to C. set out for D. set off in,3. 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.C鼓舞或激励的人或事物 e.g. These
14、 events provided the inspiration for her first book.这些事是她第一本书的灵感来源。,U灵感, 启发；,He said my sister was the inspiration for his heroine.他说我姐姐是他的女主人公的原型。draw inspiration from 从中吸取灵感inspire v. 激励；鼓励inspired adj. 借助于灵感创作的inspiring adj. 鼓励人心的；激励的,4. If sound waves could be reproduced in a moving electrical c
15、urrent, 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。,reproduce vt. 复制; 再现的形象或声音 e.g. The tape recorder reproduced the symphony. 录音机可使这交响曲重现。,current(1) n. 气流; 水流, 洋流; 电流 e.g. The current is strongest in the middle of the river河中央的水流最急。This button switches the current on这个电钮接通电流。,(2
16、) adj. 时下的, 当今的, 流行的, 通用的 e.g. Most of the old are interested in current events.大部分老年人都对时事感兴趣。They are expecting profits of over $2 million in the current year.他们期望今年的利润超过二百万美元。The word is no longer in current use.这个词已不再使用。,5. The patent was given in 1876, but it was not until five days later that B
17、ell sent his first telephone 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。,It is/was not until that . 这是强调not until引导的时间状语从句句型。 e.g. It was not until he finished his homework that he went to bed.,1) It wasnt until nearly a month later _ I received the managers reply. sin
18、ce B. unless C. as D. that 2) Did Jack come back early last night?Yes, it was not yet eight oclock _he arrived home. A. before B. when C. that D. that,练一练,6. 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 stabl
19、e 的省略句, 它在句中作原因状语。,stable: e.g. 1. The patients condition is stable.患者病情稳定。2. The ladder doesnt seem very stable. 这架梯子好像不太稳。a stable relationship 稳定的关系,adj. 稳固的；稳定的；牢固的,Zhou Rui has decided to do a project on a living British inventor called James Dyson. So he telephoned Dysons company in England to
20、 interview one of its engineers about the great mans ideas.,Listening and speaking,James Dyson,工业设计师, 发明家, 真空吸尘器的发明者。戴森工业的创始人。,1. Listen to the tape and tick the words you hear., washing machine drum refrigerator bicycle carpet cleaner court,Washing machines at that time do not clean the clothes as
21、well as by hand.,He invented a machine using two drums which move in opposite directions.,2. Listen again and make notes on James Dysons invention.,戴森公司简介戴森公司是一家总部设在英国的工程技术创新公司，其产品行销全球45个国家。在创始人詹姆斯戴森的领导下，戴森公司为吸尘器，洗衣机，自动吸尘器以及手持吸尘器设计并研发新技术，目前其全球销售额已超过60亿美金。戴森公司于2006年进入中国，在南京建立生产基地，生产由数字电机驱动的干手机产品。2008
22、年，戴森北京分公司成立。,You want to apply for a job in James Dysons company. So you ring up one of his engineers to ask what kind of person he needs. Remember to ask for as much information as you can. Here are some phrases that may be useful for you to make a telephone call.,Dialogue,Which extension, please?
23、Can I speak to , please? Hold the line, please. Hang on, please. Just a moment, please. Im sorry, but this phone is out of order.,I cant get through. Sorry. He/She isnt here right now. Can I ring back later? Ill ring him/her up again. I must ring off now because ,get through 设法联系上(尤指打通电话)；做完。 考例 1 I
24、 couldnt _. The line was busy. A. go by B. go around C. get in D. get through 点拨 get through在此意为“打通电话”。go by过去, 经过; go around到处走, (疾病) 流传, (谣言) 传开; get in收割。,考例 2 Hardly could he _ this amount of work in such a short time. A. get through B. get off C. get into D. get down 点拨 由题意“在如此短的时间内，他几乎不能做完这些工作
25、”可知选A。get through在此意为“做完”。 get off下车；get into进入；get down（从高处）下来，写下。,R: James Dysons Company. Which extension do you want please? S: Im sorry I dont know. Can I speak to someone about working as an engineer in James Dysons Company? Is that possible?,Sample dialogue: R= receptionist E= engineer S= stu
26、dent,R: Yes, Im sure it is. Hold the line please while I try to put you through. Im sorry I cannot connect you to Dr Smith. Either he isnt there at the moment or his phones out of order. Can you ring back later? S: No, Im sorry I cant. Is there anybody else I can speak to?,R: Hang on a moment. Putti
27、ng you through, caller! E: Hello. Dr Brown speaking. How can I help you? S : My name is Zhou Rui. Id like to talk to somebody about joining your company as an engineer. Id really like to know what I need to work in the James Dyson Company.,E: Good. Well, you need at least a first degree in a subject
28、 related to technology or science. Wed need to look at your CV because we offer many kinds of jobs. S: Oh, thats great! I have that. Thank you so much.,E: Let me send you an application form and then we can go from there. Ill ring you again when we get all your information. S: Thank you so much. Goodbye. E: Goodbye.,Go over the language points of the unit. Finish all the exercises on workbook.,Homework,Thank you!,
