英语:Unit3《Inventorsandinventions》课件-Warmup,pre-readingandreading(新人教版选修8).ppt
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1、Unit 3 Inventors and inventionsks5u精品课件ks5u精品课件Warming up:In groups,discuss the inventions you know and then make a list.Warming up-I(4m)ks5u精品课件Do you know what these inventions are and when did they happen?Telephone 1876ks5u精品课件television 1923 colour television 1940ks5u精品课件photocopier 1937air cond
2、itioner 1902ks5u精品课件electronic digital computer 1942ks5u精品课件Atomic bomb 1945ks5u精品课件Credit cards 1950ks5u精品课件Penicillin 1928ks5u精品课件Among the inventions above,which invention do you think is the most important one?Why?Warming up II(2m)ks5u精品课件What is an invention?An Invention is something that is cr
3、eated by a human being.Inventing is a scientific activity.Warming up-III(2m)Warming up-III(2m)ks5u精品课件What is a discovery?A discovery merely makes known something that already existed in nature.ks5u精品课件Look at the pictures below and discuss in pairs which pictures show inventions and which show disc
4、overies.Pre-reading I(4m)Pre-reading I(4m)ks5u精品课件ks5u精品课件ks5u精品课件An amphibious car(2003)This is the first car that can travel safely on water and on land.When moving on water,the wheels of the car turn sideways and move into the body.The underneath of the car is strong enough to sail as a boat.It i
5、s a prototype and is not yet being produced for sale.This is an interesting modern invention.ks5u精品课件Stephensons“Rocket”(1781-1848)George Stephenson was one of the first men to design engines for the railways which were new at that time.One of the first tracks to be laid was between Stockton and Dar
6、lington.Stephenson was one of the first railway engineers and in 1825 he drove the first train along the line.ks5u精品课件The structure of DNAThis was a discovery of Francis Crick and James Watson and published in 1953.These two scientists were the first to show that our genes consist of two spirals of
7、DNA(called the double-helix).This work led directly to the human genome project in 2003,which discovered the Structure of DNA.ks5u精品课件Do you know the stages every inventor must go Do you know the stages every inventor must go through before they can have their invention through before they can have
8、their invention approved?Inventing is a scientific activity and so approved?Inventing is a scientific activity and so follows similar stages to those used in scientific follows similar stages to those used in scientific research.Look at the list and work out a suitable research.Look at the list and
9、work out a suitable order.order.Applying for a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the inventionPre-reading II(3m)Pre-reading II(3m)ks5u精品课件The suitable order:Finding a problemDoing research Thinking of a creative solutionTesting t
10、he solutionDeciding on the inventionApplying for a patentks5u精品课件Patent office(专利局专利局)plays the role of deciding what is an invention and what is not.And only inventions can get patens and so be recognized and protected.patentsks5u精品课件ReadingThe problem of the snakesks5u精品课件Skim the whole passage an
11、d get the main idea:The text narrates _ and presents _ and applying for _.the problem of the snakes the procedures of catching them a patentReading-I(3m)Reading-I(3m)ks5u精品课件Divide the text into four parts and work out the main idea for each paragraph.Part I Part IIPart IIIPart IV(Para.1)The discove
12、ry of the problem of the snakes.(Paras2-3)The research on the approaches to solve the problem.(Para.4-6)The attempts to catch the snakes.(Para.7-8)The requirement of getting a patent.Reading II(5m)Reading II(5m)ks5u精品课件Scanning:Find out which paragraph or paragraphs deal with each inventing process
13、in the passage and find the examples:paragraphStages Examples in this storyFind a problemThe snake must be _but not_Do researchLook for _ of removal;the _ of snakesThink of a creative solutionIdentify _ possible approaches:choose_.removedharmedmethodshabitsthreeone123Reading III(7m)Reading III(7m)ks
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