人教版高中英语第8册第3单元reading课件.ppt

,人教课标版高二选修8Unit3,Unit3,Inventorsandinventions,Warmingup,Discussinpairswhichpicturesshowinventionsandwhichshowdiscoveries.,Anamphibiouscar,Stephensons“Rocket”,DNA,Whataretheimportantinventionsofthe20thcentury?Whichdoyouthinkisthemostimportantone?,ThomasEdisoninventedtheelectricbulb.,DidEdisoninventelectricity?Canelectricitybeinvented?Iselectricityaninventionordiscovery?Why?,2.Whichofthispicturesshowinventions?Doesanyofthemshowdiscoverers?,Stephensons“Rocket”,Anamphibiouscar,DNA,伽利略的望远镜,牛顿制造的反射望远镜,X射线广泛用于医学领域,谷腾堡发明的印刷机,英国钟表匠阿克莱特发明的水力纺纱机,3.Workoutrulesthatwillhelpyoudecidewhatisdiscoveryandwhatisaninvention?,(1)AdiscoveryisAdiscoverymerelymakesknownsomethingthatalreadyexistinnature,suchasthediscoveryontheNewContinentbyColumbia.,(2)Aninventionissomethingthatcreatedbyhumanbeing,suchasthelightingrod.,4.Inpairsdiscussanymoderninventionsyouknow.Describethemtoyourpartnerandexplainhowtheychangedpeopleslives.,1.Electricity,1.Systemsofdeliveringelectricallightandheatingtohomesandoffices2.Householdmachinesforwashing,ironing,keepingfoodcold,etc3.Computers,telephones,television,etc,2.Themovementofair,1.Airplanejetengines2.Airballoons,etc,Machinestohelppeoplewithseriousdisease(likekidneyfailure),3.Thecirculationoftheblood,4.X-rays,Bodyscannerstoseewhetheryouareill2.Machinestotreatillnesses(likecancer),Doyouknowthestageseveryinventormustgothroughbeforetheycanhavetheirinventionapproved?Inventingisascientificactivityandsofollowssimilarstagestothoseusedinresearch.Workoutasuitableorder.,Pre-reading,Applyingforapatent2.Findingaproblem3.Doingresearch4.Testingthesolution5.Thinkingofacreativesolution6.Decidingontheinvention,Skimthewholepassageandgetthemainidea:,Thetextnarrates_andpresents_andapplyingfor_.,theproblemofthesnakes,theproceduresofcatchingthem,apatent,Skimming,Dividethepassageintoseveralpartsandfindoutthemainideaforeachparagraph.,Part1(para.1),thediscoveryoftheproblemofthesnakes,Part2(para.2-3),theresearchontheapproachestosolvetheproblem,Part3(para.4-6),theattemptstocatchthesnakes,Part4(para.7-8),therequirementsofgettingapatent,Findaproblem,Thesnakesmustberemovedbutnotharmed,Doresearch,Lookformethodsofremoval;thehabitsofsnakes,I.Thestagesinmakinganinvention.,Scanning,Testthesolutionseveraltimes,Trythreetimestomakeitworkefficiently,Applyforapatent,FillintheformandfiledapplicationwiththePatentOffice,Thinkofacreativesolution,Identifythreepossibleapproaches:chooseone,I.Readthetextcarefullyandfillintheblanks.,harming,habits,Detailedreading,habitat,trap,cooling,last/third,intheevening,net,patent,different,valid,18,1、Howdidthewritercatchthesnakes?()A.usingsomethingthesnakeswereinterestedtoattractthemintoatrap.B.takingtheirhabitattoanotherplace.C.placingthesnakesatalowtemperatureforthemtosleepandthencaughtthem.D.Alltheabove.,C,II.Readthetextcarefullyandchoosethebestanswer.,2.Thewriterwassuccessfultocatchthesnakesin_attempt.thefirstB.thesecondC.thethirdD.every,C,3.ThefollowingareusedinthethreeattemptsEXCEPT_.A.perfumeB.abowlC.jellyD.ice-cubes,A,4.Whydidcoolingthesnakesmakethemlessactive?()Becausesnakesarewarm-bloodedanimals.B.Becausesnakeslikehightemperature.C.Becausesnakesarereptilesandtheirbodytemperaturedependsontheheataroundthem.,C,5.Whichofthefollowingmaygetapatentaccordingtothetext?A.Acomputerprogramme.B.Anewanimalvariety.C.Aworkofliterature.D.Atrulynovelandusefulinvention.,D,6.ThepurposeinwritingthistextisA.toshowushowtotrapthesnakesbutnottokillthemB.totellpeoplehowtoapplyforapatentofthewritersnewideaC.tointroducethewritersnewideaoftrappingthesnakesandherapplicationforapatentD.totellthereadershowtogetanewideaandmakeitapatent,7.Thebiggestadvantageofthewritersnewideaisthat:,A.itmakesthesnakesmoveslowlyB.itmakesthesnakeshardlybiteusC.itiseasierforustokillthesnakeswithouthurtingourselvesD.itiseasierforustocatchthesnakeswithoutkillingthem,8.Whichstatementistrueaccordingtothetext?,A.Thesnakesweresosleepyinthesecondattemptthattheycouldntbitethewriteratall.B.Yourproductmustbedifferentfromeverybodyelsesifyouwanttoreceiveapatent.C.Thewriterdecidedtosendherinventiontothepatentofficethemomentshesucceededincatchingthesnakes.D.Ifanapplicationforyourproductprovestobevalid,youcangetapatentimmediately.,Themotherwasupsetbecauseafamilyofsnakeshadmadetheirhomenearthehouse.,1).Whatwasthemotherupsetabout?,III.Readandanswerthequestions.,Thewriterwashappybecauseitgaveheranopportunitytohelphermotherandinventsomethingtocatchthesnakeswithouthurtingthematthesametime.,2).Whywasthewriterhappytohelphermother?,3).Whatarethethreecreativestepsthatthewritertakestocatchthesnakeswithouthurtingthem?,Step1:Sheboughtastainlessicecreammakerandfrozethebowl.Sheaddedicecubestothetopofthebowltokeepitcold.Sheplaceditoverthesnakeshabitatduringthedaysothatthesnakeswouldbecomesleepyandcouldbeeasilycaught.,Step2:Asaboveshedidthesamebutplacedthebowlsoverthesnakeshabitatintheevening.Step3:Asabovebutaddedanettocatchthesnakes.,4).Whydidcoolingmakethesnakeslessactive?Snakesdonothaveawayofkeepingwarmintheirbodies.Theygetwarmthfromthesunandbecomemoreactiveatthistime.Whenthesungoesdownatnighttheycooldownandbecomelessactive.Soextracoolingtothesnakewouldmakethemevenlessactiveandeasiertocatch.,Thetextnarratestheproblemofthesnakesandpresentstheproceduresofcatchingthemandapplyingforapatent,fromwhichwehavegotabetterunderstandingofhowtodoscientificresearchesandhowtoapplyfora,5).Whatsthemainideaofthetext?,patent.Afterlearning,weknowthatitusuallycostssometimeandcontinuouseffortsinordertosolvesomepracticalpr