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1、新课标人教版课件系列高中英语选修选修(模块）模块）8-8-3.6Unit 3Unit 3 What are the important inventions of the 20th century?Which do you think is the most important one?Year InventionInventor(s)1902Air conditionWillis Carrie 1903Gas-motored and manned planeWright brothers1910The first talking filmThomas Edison1923Television
2、 Logie Baird1928Penicillin Alexander Fleming 1937photocopierChester F Carlson1940Color television Peter Goldmark1942Electronic digital computerAmerican scientists 1945 Atomic bomb American scientists1950 Credit cardsRalph Schneide1985 Windows OSMicrosoft Company1990 World Wide Web Tim burners-leeWar
3、ming up1.Discussion:2.Who was Edison?Do you know how many inventions he made?Can you mention some of them?Everybody knows he invented the electric bulb.A lamp cant give light without electricity.Thomas Edison invented the electric bulb.Did Edison invent electricity?Can electricity be invented?Is ele
4、ctricity an invention or discovery?Why?2.Which of this pictures show inventions?Does any of them show discoverers?Stephensons“Rocket”An amphibious carDNA伽利略的望远镜伽利略的望远镜牛顿制造的反射望远镜牛顿制造的反射望远镜X射线广泛用于医学领域射线广泛用于医学领域谷腾堡发明的印刷机谷腾堡发明的印刷机英国钟表匠阿克莱特发明的水力纺纱机英国钟表匠阿克莱特发明的水力纺纱机3.Work out rules that will help you deci
5、de what is discovery and what is an invention?(1)A discovery is A discovery merely makes known something that already exist in nature,such as the discovery on the New Continent by Columbia.(2)An invention is something that created by human being,such as the lighting rod.DiscoveriesInventions1.Electr
6、icity 1.Systems of delivering electrical light and heating to homes and offices2.Household machines for washing,ironing,keeping food cold,etc3.Computers,telephones,television,etcDiscoveriesInventions2.The movement of air1.Airplane jet engines2.Air balloons,etcMachines to help people with serious dis
7、ease(like kidney failure)3.The circulation of the bloodDiscoveriesInventions4.X-rays1.Body scanners to see whether you are ill2.2.Machines to treat illnesses(like cancer)4.Now in pairs discuss any modern 4.Now in pairs discuss any modern inventions you know.Describe inventions you know.Describe them
8、 to your partner and how them to your partner and how useful they are in life today.useful they are in life today.Do you know the stages every inventor must go through before they can have their invention approved?Here give you some similar stages used in research,please out them in the suitable ord
9、er.Pre-reading 1.Applying for a patent2.2.Finding a problem 3.Doing research 4.Testing the solution 5.Thinking of a creative solution 6.Deciding on the invention As you read the following passage,check the order you wrote above to see whether it follows the correct stages in producing an invention.R
10、eading The text narrates the problem of The text narrates the problem of the snakes and presents the the snakes and presents the procedures of catching them and procedures of catching them and applying for a patent,from which applying for a patent,from which we have got a better understanding we hav
11、e got a better understanding of how to do scientific researches of how to do scientific researches and how to apply for aand how to apply for aFast reading1.Whats the main idea of the text?patent.After learning,we know that it usually costs some time and continuous efforts in order to solve some pra
12、ctical problems in a scientific way.The writer wants to inform us of The writer wants to inform us of the scientific methods to solve the scientific methods to solve present problem so that we students present problem so that we students can not only broaden the horizons can not only broaden the hor
13、izons but become more skilled in but become more skilled in discovering and considering discovering and considering carefully the problems in daily life.carefully the problems in daily life.2.Whats the writing purpose of the writer?We are also encouraged by the writer to be creative and hardworking
14、as well as thinking independently.ParaStages in the inventing processExample in this story12Find a problemThe snakes must be removed but not harmedDo researchLook for methods of removal;the habits of snakes3.The stages in making an invention.34,5,67Test the solution several times Try three times to
15、make it work efficiently Apply for a patentThis means the solution is recognizedThink of a creative solutionIdentify three possible approaches:choose one4.Divide the passage into several parts and find out the main idea for each paragraph.Part 1(para.1)the discovery of the problem of the snakesPart
16、2(para.2-3)the research on the approaches to solve the problemPart 3(para.4-6)the attempts to catch the snakesPart 4(para.7-8)the requirements of getting a patent5.What are the three creative steps that the writer takes to catch the snakes without hurting them?1)to put the frozen bowl over the snakes habitat in the morning.2)to put the frozen bowl over the snakes habitat in the evening.3)to put the frozen bowl over the snakes habit in the evening and carry a net to collect the snakes without har
