人教版英语选修八unit3 reading.ppt

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1、Unit3InventorsandinventionsPeriod1&2:幻灯片9-48页InventionandDiscoveryAnInventionissomethingthatiscreatedbyahumanbeing.Warmingup-III(2m)Adiscoverymerelymakesknownsomethingthatalreadyexistedinnature.Whataretheusesoftheseinventions?Pre-readingDiscussion:Whatdoyout

2、hinkisthegreatestinventionintheworld?Why?Yourreason?telephone?papermaking?computer?flushtoliet?vaccination?(接种疫苗）instantnoodle？Doyouknowthestageseveryinventormustgothrough?Discussinpairs,andthenputthefollowingstagesintoasuitableorder.1.Applyingforapatent2.Fin

3、dingaproblem3.Doingresearch4.Testingthesolution5.Thinkingofacreativesolution6.DecidingontheinventionPre-reading–II(3m)Thesuitableorder:FindingaproblemDoingresearchThinkingofacreativesolutionTestingthesolutionDecidingontheinventionApplyingforapatentReadingThep

4、roblemofthesnakesScanning:Findoutwhichparagraphorparagraphsdealwitheachinventingprocessinthepassageandfindtheexamples:paragraphStagesExamplesinthisstoryFindaproblemThesnakemustbe________butnot______DoresearchLookfor_________ofremoval;the______ofsnakesThinkofa

5、creativesolutionIdentify_______possibleapproaches:choose__________.caughtharmedapproacheshabitsthreelastone123TestthesolutionseveraltimesTry_____timestomakeitworkApplyforapatentThismeansthesolutionis___________4,5,67,8threerecognizedThethreecreativesteps:1)to

6、putthefrozenbowloverthesnakes’habitatinthemorning.2)toputthefrozenbowloverthesnakes’habitatintheevening.3)toputthefrozenbowloverthesnakes’habitatintheeveningandcarryanettocollectthesnakeswithoutharmingthem.Task2Skimming3.Canyoudescribethefinalsolutioninyourow

7、nwords?Firstly,Secondly,then,thenextmorning,andThenextday,freezethebowlfor24hours.placeitoverthesnakes’habitatwithsomeice-cubesonitstop.coverthewholethingwithalargebucket.removethebucketandthebowl;collectthesnakeswithanet.releasethemintothewild.Task4Makeasumm

8、arywithin30wordsThepassagetalksaboutthatthewriter_______aharmlesswayto_________thesnakes.Shetrappedthesnakesbymakingthem_____and______.Finally,shedecidedtoapplyfor________forherapproach.i