Unit3Importantinventionsinthe20thcenturyAretheseinventionsalsodiscoveries?Adiscoveryisfindingoutsomethingalreadyexistinginnaturebutnotyetknown.Aninventionissomethingthatcreatedbyhumanbeings.DiscoveriesInventionsleadtoarebasedonWhatinventionscanyouthinkof?TheProblemoftheSnakesReadingSkimmingforgeneralideaA.Dosomeresearchandthinkofasolution.B.Applyforapatent.C.Testthesolutionforseveraltimes.D.Findtheproblemofthesnakes.Howistheinformationorganized(组织)?ThebirthofaninventionPara7-8StructureMainideaofeachpartPara2-3Para4-6Para1Findtheproblemofthesnakes.Dosomeresearchandthinkofasolution.Testthesolutionforseveraltimes.Applyforapatent.Thetextnarratesabouttheproblemof__________andpresentsthe_________ofcatchingthemandapplyingfor_______.MainideaproceduresapatentthesnakesThereasonisthathecangetachanceto________________byinventingsome__________thingstocatchsnakes.1.Whatwastheproblem?2.Whytheauthorfeltveryproud?distinguishmyselfmercifulPart1:findtheproblem(para1)Listentothetapeandanswerthequestions.Afamilyofsnakeshadmadetheirhomenearthehouse.Part2:dosomeresearch&thinkofasolutionWanttodrivemeaway?Noway!Listentothetapeandfinishthefollowingexercise.(para2,3)1.Theauthorcouldfindmanyproductstohelphim__catchthesnakes.2.Theauthorresearchedthehousesofthesnakes.3.Theauthordecidedonthreepossibleapproaches___andusedthethirdoneatlast.TorFonlyfindpowdersdesignedtokillthesnakes.habitsWhatisthethirdapproach?Thethirdapproachisto_______thesnakessothattheywouldbecome_______andcouldbeeasilycaught.coolingsleepyBuyabowlfreezethebowlinafridge(24hourslater)placethebowl______________________withice-cubesonthetopoverthesnakes’habitatcoverthebowlwith_________abucket_______thebucketandthebowlremove(anightlater)collectthesnakeswith_____anet(thenextday)releasethem___________intothewildPart4:applyforapatent1.Whichstatementistrueaccordingtothetext?A.Onediscoverycangetapatenttoo.B.Youcanbeatrulyinventorevenifyoudon'thavearecognition.C.Yourproductmustbedifferentfromeverybodyelse'sifyou__wanttoreceiveapatent.D.Apatentwillbepublished17monthsfromthedateyouapply.2.Accordingtothetext,whichsubjectdoyouthinkcanbegiven_apatent?A.Anewstardiscoveredbyascientist.B.AnewnovelwrittenbyYaoMing.C.Anewkindofgrassfoundinamountainwhichcanbeused____asamedicine.D.Anewwaytomakedirtywaterclean.paragraphStagesExamplesinthisstoryFindaproblemThesnakemustbe________butnot______DoresearchLookfor________ofremoval;thehabitsofsnakesThinkofacreativesolutionIdentify_______possibleapproaches:choose______TestthesolutionforseveraltimesTry_____timestomakeitworkefficentlyApplyforapatentFillintheformandfiledpatentapplicationwiththePatenOfficeSummary1234,567,8ThebirthofaninventionparagraphStagesExamplesinthisstoryFindaproblemThesnakemustbe________butnot_______DoresearchLookfor________ofremoval;thehabitsofsnakesThinkofacreativesolutionIdentify_______possibleapproaches:choose______.123removedharmedmethodsthreeoneTestthesolutionforseveraltimesTry_____timestomakeitworkeffcientlyApplyforapatent4,5,6threeFillintheformandfiledpatentapplicationwiththePatenOffice7,8Whatgoodqualitiesshouldaninventorhave?creativecuriouspatientimaginativehard-workingadventurouschallengeableWorkwithyourgroupmemberstodiscussthefollowingquestion,andexpressyourideaout.Ifyouwereaninventor,whatkindofthingdoyouwangtoinvent?why?Homework1.Readthepassageagainandreviewthenewwordsandexpressions.2.发挥想象,连词成文。callup,expectation,valid,seize,nowandthen,criterion,setabout,distinguish,caution,convenient.Ifyouwishtosucceed,youshouldusepersistenceasyourgoodfriend,experienceasyourreference,prudenceasyourbrotherandhopeasyoursentry.----ThomasAlvaEdison如果你希望成功,当以恒心为良友,以经验为参谋,以谨慎为兄弟,以希望为哨兵。---爱迪生