1、.Unit 3 Inventors and Inventions.Cai LunPaper.Changs seismograph(地动仪地动仪)Zhang Heng.Alexander Graham BellTelephone.Kinetoscope(活动电影放映机活动电影放映机)Gramophone Electric bulbThomas EdisonThe king of the invention.Look at the different stages and work out a suitable order.1.Applying for an patent2.Finding a p
2、roblem3.Doing research4.Testing the solution5.Thinking of a creative solution.5.Applying for an patent1.Finding a problem2.Doing research4.Testing the solution3.Thinking of a creative solutionExamples:期中考试阅读理期中考试阅读理解解A篇篇 Tips:Science and Technology Exposition (科技说明文科技说明文)often follows these stages:.
3、ReadingThe Problem of the Snakes.stage approach habitat stainless steel ice cubes bowl bucket novel adj.a computer programme mathmatical model 阶段 方法 栖息地 不锈钢 冰块 碗 桶 新颖的 电脑程序 数学模型.2.给给打电话打电话 3.偶尔，有时偶尔，有时 4.显扬自己显扬自己 5.着手，开始着手，开始 6.把放进把放进 7 保持凉爽保持凉爽 8 抓住机会抓住机会 9 在在.的敦促下的敦促下 10.此外此外 2.call up 3.now and t
4、hen 4.distinguish oneself 5.set about doing sth 6.put into 7.keep cool 8.seize the opportunity 9.pressed by 10.in addition.Divide the passage into five parts according to different stages.5.Applying for an patent1.Finding a problem2.Doing research4.Testing the solution3.Thinking of a creative soluti
5、onFast ReadingPara?Para?StagesPara?Para?Para?Para?Para?Para?ParagraphPara?Para?1234-67-8The Problem of the SnakesStructure.1.Whats the girls(authors)problem?She had to get rid of the snakes in her courtyard.Careful ReadingPara 1 Finding a problemHow?She wanted to invent something merciful She wanted
6、 to invent something merciful that would catch snakes but not harm them.that would catch snakes but not harm them.Can you use some words in this sentence to explain it?Tip:You can guess the meaning of some unknown but important words according to the context(上下上下文文).She set about researching the hab
7、its of snakes to find the easiest way to trap them.Para2 Doing research.Para 3 Thinking of a creative solution1st approach2nd approachBest one?Cooling the snakes so that they would become sleepy Cooling the snakes so that they would become sleepy and could easily be caughtand could easily be caught3
8、rd approach Whatwereused Whatwereused for catching for catching snakes?snakes?3rd approachHow many?An ice-cream makerIce-cubes BowlJelly.Para 4-6 Testing the solutionAttempt 1Attempt 2Attempt 3Para 4Para 5Para 6How many times did the author attempt?.Para 4-6 Testing the solutionAttempt 1Retell the f
9、irst attempt with some key words.Retell the first attempt with some key words.In the morning,.got upplacedoverand onFinally,.covered with.removed Snakes？Less active but still fastuSo she had to _ her plan.So she had to _ her plan.adjust.Attempt 1Attempt 2Whats the difference?What did she use for Wha
10、t did she use for catching the snakes?catching the snakes?Attempt 3uSo she need to _ her design again.improvePara 4-6 Testing the solutionIn the morningIn the eveningDid the author succeed in catching the snakes?What happened to the snakes?.Para 7-8 Applying for an patentWhat kinds of invenWhat kind
11、s of inventiontion can can get a patent?get a patent?(an adj.)(an adj.)u novelWhat kinds of inventions What kinds of inventions can not get a patent?can not get a patent?u A discovery;u A scientific theory or mathematical model;u Literature or art;u A game or a business;u A computer program;u A new
12、animal or plant variety.P22 Ex4 Now pretend you are a patent officer and it is your job to decide whether the inventions can get a patent or not and tell me your reasons.Post-reading.Eg:_ can(not)receive a patent because it can be considered as _.Healthier meatFuture ratsHelpful ratsMpping the stars
13、A trap for insectsNew book_ can(not)receive a patent because it can be considered as _.SummarySome stages every inventor must go throughHow to catch the snakes?5.Applying for an patent1.Finding a problem2.Doing research4.Testing the solution3.Thinking of a creative solutionScience and Technology Exp
14、osition(科技说明文科技说明文).Do you think they should get patents?Why?（discussion）1.It cannot receive a patent because it can be considered as a new variety of animal.2.It cannot receive a patent because the new part of this is the computer program training.3.It cannot receive a patent because it is a discov
15、ery and not an invention.4.This method of preventing insects coming into a house is a true invention.It solves a problem in a practical way.It should be given a patent.5.A book is a work of literature and so cannot be given a patent even though it may be a best-seller.(畅销书畅销书).Find out which paragra
16、ph or paragraphs deal with each stages.5.Applying for an patent1.Finding a problem2.Doing research4.Testing the solution3.Thinking of a creative solutionFast ReadingPara?StagesPara?Para?Para?ParagraphPara?1234-67-8.Para 4-6 Testing the solution5.Applying for an patent.Super hybrid riceYuan LongpingYuan LongpingThe father of super hybrid riceProblems
