Unit3InventorsandInventions1.Knowsomebasicknowledgeofinventions.2.Summarizethemainideaofthepassage.3.Develop

theability

ofsolving

problems.Learningaims

paper-makingpowderthefourgreatinventionsofancientChinaWarming-upcompass

printingbikesharinghigh-speedrailthenewfour

greatinventionsofChinaalipayonlineshoppingInventionsalwayshavebeenwithus.Theyhavemadegreatcontributionstoourlife.Intheprocessoffightingagainstthevirus,

inventionshelpedussolvemanyproblems.

Canyoudistinguishadiscoveryfromaninvention?②③④⑤⑥①discoveryIsaacNewtonwaslookingatthefallingappleandanideacameintohismind:thepowerofgravity.Lookatthesepicturesbelow,discussinpairswhichpicturesshowinventionsandwhichshowdiscoveries,thentellusthereason.①②③④⑤⑥GeorgeStephensonwasoneofthefirstmentodesignenginesfortherailwayswhichwerenewatthattime.invention①②③④⑤⑥MarieCurieandherhusband_____________thenewchemistryelements—Polonium(釙)andRadium(鐳).discovered①②③⑤⑥④ZhangHeng___________thefirstseismograph(地震儀)—theearliestinstrumenttotellpeoplewhereearthquakeshappened.invented①②③④⑤⑥Thisisthefirstcarthatcantravelsafelyonwaterandonland.Whenmovingonwater,thewheelsofthecarturnsidewaysandmoveintothebody.Theunderneathofthecarisstrongenoughtosailasaboat.invention①②③④⑤⑥FrancisCrickandJamesWatsonwerethefirsttoshowthatourgenesconsistoftwospiralsofDNA(calledthedouble-helix(雙螺旋)).Thisworkleddirectlytothehumangenomeproject(人類基因工程)in2003,which______________thestructureofDNA.discoveredAdiscovery________________________________________________________________________________________________.Aninvention_____________________________________________________________________________________.isrecognizingsomethingthatalreadyexistsforthefirsttime,thatnobodyhasfoundbeforeiscreatingsomethingtotallynewwithone'sownideasanddevelopment.leadstoIsthereanyconnectionsbetweenthetwo?themovementofairAirplanejetengines(發動機)AirballoonsleadstoX-raysBodyscannersleadstoElectricityleadstoInventinghasbeenapartofhumanlifeaslongashumanshavebeenonearth.Inventionsarenecessitiesofmodernlife.

Ifsomesnakesarefound

inyouryards,howto

dealwiththem？

Pre-readingTheProblemoftheSnakesReadingWhatdidtheauthorinvent?

Task1Thinkaboutthe

mainideaofthepassage.Task2Thinkaboutthekeywordsofeachparagraph.FastreadingThetexttellstheproblemof_______andpresentstheproceduresof________them

andapplyingfora________.

Task1Themainideaofthepassage:Thetexttellstheproblemof_______andpresentstheproceduresof________them

andapplyingfora________.snakespatentcatchingTask2ThekeywordsofeachparagraphPara.1Para.2Para.3Para.4Para.5Para.6Para.7Para.8FindingaproblemDoingresearchThinkingofacreativesolutionThefirstattempt

oftestingthesolutionThesecondattempt

oftestingthesolutionThethirdattempt

oftestingthesolutionDecidingontheinventionApplyingforapatent

TestingthesolutionFindingaproblemDoingresearchThinkingofacreativesolutionTestingthesolutionDecidingontheinventionApplyingforapatentThescientificstagesofaninvention

Thinkaboutthefollowingquestions.1.What’stheproblemthatthewritercameacross?2.Howdidtheauthordotheresearch?3.Whichsolutiondidtheauthorchoose?4.Whichattemptoftestingthesolutionwassuccessful?CarefulreadingWhat’stheProblem?Howtogetridofthesnakesinamercifulway？

Findingaproblem1

Howdidtheauthordotheresearch?12lookedforsomeusefulproductssetaboutresearchingthehabitsofthesnakesDoingresearch2Theauthordecidedon3possiblesolutions.removingtheirhabitatattractingthemintoatrapusingperfumeorfoodcoolingthemsothattheywouldbecomesleepy

Whichsolutiondidtheauthorchoose?Thinkingofacreativesolution3Testingthesolution4attempt1attempt

2attempt

3resultThefirstattempthadlittleeffect,soitneeded________.Thesecondonehadsomeeffect,buttherewasstillsome______.Allthesnakeswere_______.Soitturnedout________.adjustingFailureFailureSuccessdangercaughtsuccessfulWhichattemptwassuccessful?Decidingontheinvention5Thequalitiesofaninventor:determinedpatientpersistentcreativehard-workingWhatdoyouwanttoinventtomakeourlifemorebeautiful?

DiscussionWhat'stheproblem?Whatkindofresearch

doyoudo?What'syoursolution?Howdoyoutestyoursolution?Whatdoyouinvent?Howwillitchangeourlife?ShowTimeSummaryWhathaveyoulearntinthisclass?1.Thebenefitsofinventions2.Thestagesofaninvention3.ThequalitiesofaninventorInspirationGreatinventionsarethedrivingforceinthedevelopmentofourcountry.Iftheyou