高中英语（人教版选修八）多媒体教学优质课件：UNIT 3 INVENTORS AND INVENTIONS USING LANGUAGE（共50张PPT）.ppt

1、Unit 3 Inventors and inventionsUsing Language1.To Enable the Students to learn about the famous inventor Alexander Graham Bell and his inventions;2.To improve reading skills(scanning;skimming and detailed reading);3.To master some important expressions and structures.Telephones become one part of ou

2、r life.But do you know who invented the telephone?A British inventor called Alexander Graham Bell.1.What do you know about the inventor?2.How useful is his invention to human society?Why?Discuss the following questions:Step1.Fast reading【Reading】Reading Task:Get some general information of Bell.Date

3、 InformationIn 1847He was young11 years oldIn 187675 years oldHe was born.His family moved to Boston,USA.He made his first invention.He invented the first telephone.He made his last invention.1.The text mainly tells us some information about_.A.Bell and his telephoneB.Bell and his telegraphC.Bell an

4、d his helicopter designsD.Bell and his inventionsChoose the best answer.Step2.Detailed Reading2.Bell invented _ by chance according to the text.A.morse codeB.telegraphC.telephone D.tetrahedron3.Which statement is true according to the text?A.Bell made a contribution to the deaf education.B.Bell inve

5、nted the telephone for the deaf.C.Bell thought that you should not think too much about something that you had never seen before.D.Bell invented a lot of flying machines while searching for a kite to carry a man into the air.4.According to the text,Bell got such great achievement thanks to _.A.a str

6、aw joined to a deaf mans earB.the exploring around problemsC.a moving electrical currentD.his excellent assistant Watson5.We can infer from the text that _.A.doing research in telegraph helped Bell greatly in inventing the telephoneB.Bell was given the patent after he succeeded in sending the first

7、telephone message to his assistant Watson.C.in order to make the bridges stronger Bell discovered telephoneD.Bell discovered so many practical solutions that he must be a millionaire1.beaten track:被踩出来的路；常规；惯例Leave the beaten track occasionally and dive intothe woods.偶尔离开平路，去寻求困境。His farm is off the

8、 beaten track.It is at least two miles from the main road.他的农庄在偏僻的地方，离开大路至少有两英里。Step3.Language Points2.dive intoHe dived into his pockets and fished out one dollar他把手伸入口袋中，掏出一美元。He dived into the history of China他潜心钻研中国历史。The boy dived into the river from the bridge.那个男孩从桥上跳入河中。迅速把手伸入;(对活动,问题等)全心投入,

9、跳水(头朝下);潜心研究He _ his career and made a great contribution to our country.A.dived himself into B.devoted himself toC.dived into D.devoted to【点津】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。【即学即练】3.every/each time 每次;每当Every time you do you will be certain to

10、 find something that you have never seen before.每次你这样做的时候你一定会发现你以前从未见过的东西。【点津】此短语在句子中经常作连接词,引导时间状语从句。【拓展】能用作连词的名词短语还有：the first time 第一次last time 上次the second/next time 第二/下次the instant/moment/minute 一 就_ I see him,the old man is sitting in the same chair.A.Every time B.Every time whenC.At each time

11、 D.Each time that 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.【即学即练】5.set out(to do)开始(做某事);为某个目标而努力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。【拓展】set out to do sth.=set ab

12、out doing sth.set out for=set off for=leave for意为“出发到去”6.reproduce vt.复制;再现的形象或声音If sound waves 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。The tape recorder reproduced the symphony.录音机可使这交响曲重现。7.Suddenly he had a flash of inspiratio

13、n.突然间,他灵光闪现。a flash of inspiration 指“灵感闪现”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 her first book.这些事是她第一本书的灵感来源。inspire v.激励;鼓励inspired adj.得到灵感的；有灵感的inspiring adj.鼓励人心的;激励的8.current n.气流;水流;电流adj.时下的,当今的,流行的,通用的current events,the current year,in current use,t

14、he 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 eventsthe current yearin current useIt 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 fin

15、ished his homework that he went to bed.9.The patent was given in 1876,but it was not until five days later that Bell 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。1.It wasnt until nearly a month later _ I received the managers reply.A.since B.unles

16、s 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.since【即学即练】D B10.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。sta

17、ble adj.牢固的;稳定的;安定的（人、性格）可靠的，可信赖的，稳重的1.The patients condition is stable.2.The ladder doesnt seem very stable.3.a stable relationship 4.We need a stable government.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11.1)be associated with 和有联系；和来往Although he is most often associated with the inven

18、tion of the telephone,he was indeed a continuing searcher after 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。In our minds the Spring Festival is associated withhappy family reunions.在我们心中，春节是和愉快的家庭团聚是联系在一起的。I didnt want to be associ

19、ated 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 adv.(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 he is competent.3)practical 实际的;实践的;实用的I want some practical advice.

20、我想要些实际性的建议。It wouldnt be practical for us to go all that way just for the weekend.我们跑那么远只为了去度个周末实在很不切实际。The dictionary is very practical.这本词典非常实用。1.What does 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 c

21、hance come up with some new and original ways of solving a problem.【Listening】Listen to the tape and try to answer the questions below.2.What do you think led to his success as an inventor of the telephone?His curiosity and exploring spirit led to his success as an inventor of the telephone.3.What i

22、nventions did Bell make?Bell invented the telephone by chance.It is extremely useful and still used today.4.Why will he always be known as the inventor of the telephone?He will always be known as the inventor of the telephone because it was a very popular invention and the patent made the most money

23、 ever.Speaking activityYou 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.【Speaking】Some useful expressions:Some useful expressions:Which extension,please?Can I speak to.,pleas

24、e?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 becauseSuppose you are going to apply for a job in a company,what skills will you

25、 tell the interviewer to qualify you?【Writing】Now you are going to apply for a job in James Dysons company and you write a letter to him.The following point may help you:1.Use the list of skills to make new paragraphs in your letter.2.For each skill set down any experience you have had,which shows t

26、hat you are a suitable person.You may be creative in this part of the letter.3.Finish the letter by mentioning again the skills that you have.4.End the letter.The beginning and the ending of the letter:The beginning and the ending of the letter:Dear Mr Dyson,Dear Mr Dyson,I would like to apply to be

27、come an assistant in I would like to apply to become an assistant in your company.your company.I would be grateful if you would consider I would be grateful if you would consider employing me in your company.employing me in your company.Yours sincerely,Yours sincerely,(your name)(your name)Sample Wr

28、iting:Sample Writing:Dear Mr Dyson,I would like to apply to become an assistant in your company.I expect to get a Masters degree in mechanical engineering from Beijing University in 2008.In the past few years,I have got experience in designing new projects and developed good professional competence

29、in my subjects.Begin the letter this Begin the letter this way way Reason for writingReason for writingPersonal details:Personal details:Qualifications+how Qualifications+how good and competent good and competent you are as a studentyou are as a studentI worked in my holidays for a company that desi

30、gned engines for jeeps.I helped them design several parts of the new engine.It made me think I would like to work in a real inventors company.I understand that I have the qualifications and experience that you need for the personnel in your company.I would be grateful if you would consider employing

31、 me in your company.Yours sincerely,Liu XueWork Work experience+experience+why you want why you want this particular this particular jobjobFinish the letter Finish the letter in this formal in this formal waywayEnd the letter End the letter this waythis wayApplicants Applicants signaturesignatureSum

32、 up the useful expressions对感兴趣对好奇踩出来的路一心投入值得思考导致开始(做)一次be/become interested inbe curious aboutbeaten trackdive into(be)worth thinkinglead to set out to(do)at a time课 堂 小 结同时发现问题很难解决注意到寻找因闻名的确,事实上at the same timefind the problem difficult to solvebe aware of search forbe famous forindeed1.Everyone in

33、 the class hoped that he _ aftera few days treatment.A.picked up B.took up C.gave up D.made up 2.Kathy _ a lot of Spanish by playing with the native boys and girls.A.picked up B.took up C.gave up D.made up3.Is this the bike which you wish to have _?A.repaired it B.repairing C.repair D.repairedAAD4._

34、 in thought,he almost ran into the car in front of him.A.Losing B.To lose C.Lost D.Having lost5.Its cloudy outside.Please take an umbrella._.A.Yes,take it easy B.Well,it just depends C.OK,just in case D.All right,youre welcomeCC6.While he was investigating ways to improve the telescope,Newton made _

35、discovery whichcompletely changed _mans understanding of color.A.a；/B.a；the C./；the D.the；a A7.The picture of the park _ memories of our classs trip last year,when Mr Smith began to take charge of our class.A.called up B.remindedC.looked back on D.turned upA1.Go over the language points of the unit.2.Finish all the exercises in workbook.3.Write a short passage about an invention.HomeworkSuccess belongs to the persevering.坚持就是胜利。