1、Words previewcommitteebearjammessforeheaddotn.委员会vt.忍受；忍耐；负担n.堵塞；阻塞；果酱adj.脏乱的状态；杂乱n.额头n.点；小圆点vt.以小圆点标出；分散tapwirestrawcurrentimportancevt.轻打；轻拍；轻巧敲n.轻轻地敲击；水龙头n.金属丝；电线n.稻草；麦秆；饮料吸管n.（水或气）流；电流adj.现在的；当前的n.重要性Words previewhelicoptertrianglestablepracticalrefrigeratorcourtversionn.直升飞机n.三角形adj.稳固的；安定的adj.
2、实际的；实用的n.冰箱；冷藏库n.法庭；法院；朝廷n.版本；译本Words previewExpressions previewtraffic jambeaten trackdive intoset out(to do)交通堵塞被踩出来的路；常规；惯例迅速把手伸入；一心投入开始（做）in truthhang onout of orderget throughring backring off的确；事实上不挂断；稍等次序颠倒；发生故障设法联系上；通过回复电话挂断电话Expressions preview ReadingALEXANDER GRAHAM BELLTelephones become
3、one part of our life.But do you know who invented the telephone?A British inventor called Alexander Graham Bell.Pre-readingDiscuss the following questions in groups:1.What do you know about the inventor?2.How useful is his invention to human society?Why?Read the passage quickly and find out the main
4、 idea of it.It mainly talks about the life of Alexander Graham Bell and how he made the great inventions.Listen to the tape and try to answer the questions below.1.How did curiosity make AlexanderGraham Bell into a great inventor?2.What did he think was the key to his success as an inventor?3.What i
5、nventions did Bell make by chance?4.Why will he always be known as the inventor of the telephone?1.How did curiosity make Alexander Graham Bell into a great inventor?It made him ask questions,think of practical ways to solves problems,be prepared to try solutions(and alter them)several times and fin
6、ally publish his findings for others.2.What did he think was the key to his success as an inventor?He believed that his curiosity was the key to his success.3.What inventions did Bell make by chance?Bell invented the telephone and the tetrahedron shape by chance.Both of these are extremely useful an
7、d 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 ever.Language study1.He found that by pressing his lips against his mothers forehead,h
8、e could make the bones move in such a way that she could understand what he was saying.他发现当他把嘴唇放在母亲的前额上，他就会让骨头以一种能让他母亲明白的话的方式运动。这是一个复合句。found后接了一个宾语从句;way后面接了由that引导的定语从句，在这个定语从句中又包含了一个what引导的宾语从句。注意way作先行词,后面的定语从句一般不用引导词,也可用that/in which引导。forehead:额头2.Leave the beaten track occasionallyand dive in
9、to the woods.偶尔离开平路，去寻求困境。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，离开大路至少有两英里。dive intoHe 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
10、心研究The boy dived into the river from the bridge这男孩从桥上跳人河中。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 himself toC.dived intoD.devoted to3.Bell never set out to inve
11、nt the telephone and what he was trying to design was amultiple 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They are setting out to do a new experiment.他们正在着手干一项新的试验。set out to do sth.=set about doing sth.set out for=set off for=leave for意为“出发到去”Lets set out before dark.我
12、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.in2.They set _ at about 8 oclock.A.about to work B.about to working C.about working D.out work3.They _ the mountain at noon.A.set off to B.set out to C.set out for D.set
13、 off in4.This original telegraph sent a message over distance using Morse code(a series of dots tapped out along a 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（莫尔斯电码时通过电线发出的以特定的次序敲击出的一段串点划）。dot n.点;小圆点The train arrived on the dot of threeoclock.那辆火车三点钟准时到达。v.以小圆点标出,分散The lake was dotted with litt
14、le boats.湖面上布满了小船。tapn.轻轻地敲击；水龙头He cleaned his hands in the 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。The rope was not strong enough,so weused wire.这根绳子不够结实，所以我们用金属线。v.给装电线,发电报As soon as the equipment is wired up,you can u
15、se it.这个设备一接通电源你就能用了。wire n.电线,电报,金属丝5 If sound waves could be reproduced in a moving electrical current,they could be sent along a wire.如果声波能够以连续运动的电流形式复制的话，那么声波就可以沿着导线传送出去了。current(1)n.气流;水流,洋流;电流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
16、流。(2)adj.时下的,当今的,流行的,通用的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。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
17、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.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.firmly fixed;not likely to move,change or fail;steady稳固的；稳定的；牢固的7.Although he will always be known for h
18、is invention of the telephone,he was in truth a continuing searcher after practical solutions to improve the quality of everybodys life.虽然他一直以发明电话闻名于世,但是他的确是一个永不停息的探索者,不断寻求着改善人们生活质量的可行方法。in truth 说实话;说真的;老实说She laughed and chatted but was,in truth,not having much fun.她虽然又是笑又是侃,但实际上玩得并不开心。I was in tr
19、uth a miracle.这确实是个奇迹。practical 实际的;实践的;实用的I want some practical advice.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。Listening andspeakingZhou Rui has decided to do a project on a living British inve
20、ntor called James Dyson.So he telephoned Dysons company in England to interview one of its engineers about the great mans ideas.Situation1.Listen to the tape and tick thewords you hear.washing machine drum refrigerator court carpet cleaner bicycleObjectThe ProblemJames Dysons improvementWashing mach
21、ineWashing machines at that time do not clean the clothes as well as by hand.He invented a machine using two half drums which move in opposite directions.2.Listen again and make notes on James Dysons invention.Listening textGOOD DESIGN IS PRACTICALZhou Rui is making a telephone call to an engineer w
22、ho works for James Dyson,a famous British inventor.DS:Hello.Can I speak to Zhou Rui,please?This is Dr Smith.ZR:Gook morning,Dr Smith.How kind of you to ring me back!Do you think you can accept my phone interview now?Im very interested in James Dysons inventions and ideas.DS:Sure.Im happy to speak ab
23、out our company and its founder,James Dyson.He is not an inventor who makes something entirely new.He takes everyday products,like washing machines,and makes them work better.ZR:I see.How did he improve the washing machine?DS:He found that clothes were not as clean from a washing machine as those wa
24、shed by hand.ZR:Really?Is that true?DS:Yes,because most machines had one large drum and the clothes went round and round in it.ZR:So what can you do to improve that?DS:This is the clever part.James Dyson invented a system with two drums in the same machine.Together they are the same size as the old
25、drum but work differently.One drum goes in one direction and the other goes in the other.So its more like hand-washing and the clothes come out cleaner.ZR:Was it easy to design?DS:No.It took many working models before Mr Dyson was content with the result.ZR:How long did it take him?DS:Im not sure.Bu
26、t I know that when he invented a new carpet cleaner it took five years to design and over 5,000 tests before he was satisfied.ZR:Wow!I didnt realize it took so long.DS:Oh,there are more problems even after you get the patent.For example,during the early years James Dyson found that a large company m
27、aking carpet cleaners in America was coping his idea.He had to go to the court to protect his invention.ZR:I hope he won.DS:Yes,in the end that company had to pay us a lot of money because they had used our ideas illegally.It was an important day for us.ZR:What new ideas does James Dyson have?DS:Im
28、sorry but youll just have to wait and see!ZR:Thank you and Im afraid I shall have to ring off now.Goodbye.DS:Goodbye.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 som
29、e phrases that may be useful for you to make a telephone call: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 becauseWritingNow wri
30、te a letter to James Dyson asking him for a job in his company.Here is the beginning:The beginning and the ending of the letter:Dear Mr.Dyson,I would like to apply to become an assistant in your company.I would be grateful if you would consider employing me in your company.Yours sincerely,(your name
31、)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 that 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.Sample wri
32、ting:Dear Mr.Dyson,I would like to apply to become an assistant in your company.I expect to get a degree in mechanical engineering from Beijing University at the end of this year.I have always been a good student and last year I finished third in my year and my professor expects me to do even better
33、 in this years exams.I have worked(in my holidays)for a company that makes toys for the Western market.I helped in the design department and designed a range of new panda playing cards and board games.It was fun and made me think that I would like to work in a real inventors company.I understand that my qualifications andexperience are what you look for in a new employee.So I would be grateful if you would consider employing me in your company.Yours sincerely,Lin XueHomework 1.Correct your partners letter.2.Go over the language points of the unit.3.Finish all the exercises in workbook.
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