高二英语课件高二英语下学期Unit18a高二英语课件

WarmingupandlisteningUnit18InventionsThestudyinspaceSiliconchipplantedinhumanbrainNewInventionsMaglevVideophonePortablecomputerWhatinventionimpressesyoumost?ToptenInventionsofAllTime人类历史上最重要的十大发明LaserLightbulb/electricityAirplaneAutomobileTelegraphyRadarRadioPenicillin青霉素Microchip芯片1.MatcheachpicturewiththecorrectdescriptiononP57.2.Doyouthinktheseinventionswouldbeuseful?3.Isthereanythingyouwouldliketoinvent?Ifso,whatandwhy?Drawit.FutureinventionsAnappleadaykeepsthedoctoraway.Structure:Itisobviousthat+句子（明显的）Itisobviousthatknowledgeplaysanimportantroleinourlife.一天一个苹果，不用请医生Proverb&StructureListentotwoinventorsdescribetheirnewinventions/scenariostoapatentofficer.ListeningonP581.Whatistheirinventions?2.Doesthepatentofficerwanttogivethemapatent?1.WhataretheadvantagesofMrJones’newinvention?2.Howdoesitwork?3.Whatcanitbeusedfor?4.WhydoesthepatentofficernotwanttogiveMrJonesapatent?Thenewinventioniscleanandcheap.It’savehiclethatdoesn’tneedanengineorfuel.Thevehicleispoweredbythepersonwhousesit.Theinventioncanbeusedasameansoftransportation,insteadofcarsandbuses.Becausethevehicledescribedbytheinventorhasalreadybeeninvented-it’sabike-liketwo-wheelcar.1.WhathasMrButlerinvented?2.Whydidheinventit?3.Howdoesitwork?4.WhydoesthepatentofficernotwanttogiveMrButlerapatent?Heinventedadeviceforhelpingpeoplecarryheavyobjects.Hewastiredofcarryingheavygrocerybags/Hegottheideawhenhesawawomancarryingsomeheavybags.Ifyouputthebagsintoalargebucketsofwater.Thebagswillfloatandyouwon’thavetocarrythem.Becausehisideadoesn’twork─youwouldstillhavetocarrythelargebuckets.AgroupdiscussionThepatentofficelistenstoeachinventorwhoexplainshowhis/herinventionbeginsandwhyitisuseful.Thenhedecideswhethereachinventionisagoodideaornot.1InventorAhasinventedacarthatuseswaterinsteadofpetrol.2InventorBhasanewinvention-aflyingbicycle.3InventorC’sinventionisamachinethatmakesitpossibleforpeopletoseethefuture.4InventorDhasinventedapenthattranslateswhat’swrittenintoforeignlanguageListeningonP130Newinventionshelpwiththedevelopmentofsociety,butsometimespeopleareafraidofnewinventions.Listentopart1ofthetapeandchoosethebestanswer.GeorgeStephensonTalkingCanyouthinkofotherexamplesofnewinventionsthatpeoplewereafraidofatfirst?Part2Completethechartbelow.InventorInvention,discovery,orresearchAccidentAlfredNobelMarieCurieSieurFreminetRudolfDieselSafewaytouseachemicaltothingsup.Studiedradiumandotherdangerousmaterials.Breathingmachinefordivers.Severalpeoplekilledinexplosions.Thedangerouschemicalsmadeheralmostblind…Diedwhenhismachinedidn’twork.Almostkilledwhenhediscoveredanewway.TheDieselengine.FirstcorrectlyexplainedplanetarymotionTheLawofGravityJohannesKeplerIsaacNewtonTheSunwasthecenteroftheuniverseandthattheEarthhadatriplemotionaroundthiscenter.TelescopeLawofmotionFatherofscienceFatherofmodernphysicsFatherofmodernastronomySpeakingCaiLunEdisonWattBiShengWrightbrothersWhatdotheyhaveincommon?TheyareinventorsWhatdoinventorshaveincommon?Qualitiesofsuccessfulinventors•Keepanopenandcuriousmindabouttheworldaroundthem.•Collectasmuchinformationaspossibleaboutanidea,aproblem,orafutureinvention.•Usetrialanderrorastheyengageinproblemsolving.•Improveuponanideaordesignafterfindingasolution.•Bedevoted,determined,andoptimistic.Whatisaninvention?Aninventionissomethingproducedforthefirsttimethroughtheuseofimaginationorthinkingandexperiments.Thestepsofinventing•StepILearningAboutInventors•StepIIFindinganIdea•StepIIIResearchingandPlanning•StepIVDevelopingandTesting•StepVTheInventionConferenceHowmuchdoyouknowaboutinventionsandinventors?Eachnumberrepresentsitsdifficultyofguessing.•Thisinventionismadeofmetal.50•Thisinventionlookslikeabird.40•Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.30•Itispoweredbyanengineandisflownbyapilot.20Airplane•Guesstheinventionbylisteningtothefollowinginformation.•Part160•Part250•Part340•Part430Thisisaninventionwhichcanhelppeopleinthestreets,especiallyinthebigcities.Sometimes,itlookslikeatreestandingbesidethestreet.Itdirectscarsandtrucksatcrossing.Ithascoloredlights;redmeansstop;greenmeansgo.Trafficlight•Thisinventioncanhelppeopledosomedailywork.70•Itishelpfulforhousewives.60•Themachinecanmovearoundsomethingthatyouputintoit.50•Itneedssoapandwatertowashsomethinginit.40Washingmachine•Itallowsyoutogetalikenessofanobject.80•Whenyoupressabutton,itworks.70•Whenaflashhappens,itwillcopyasceneontoafilm.60•Whenthefilmisdeveloped,thesceneyoucopiedappearsonapaper-likething.50Camera•Hewasaworld-famousinventor.90•Hereisoneofhisphoto.80•HewasaSwedish(瑞典人).70•Heinventeddynamite.60dynamiteAlfredNobel•Theinventionlookslikeachair.100•Ithasapipethroughwhichthewastecango.90•Peopleuseittogetridofwasteintheirbodies.80•Itisusuallymadeofchinatheseyears.70ToiletThisinventioncanhelppeople…Itlookslike…It’smadeof…Itwillmakeitpossibleforpeopleto…Thisisanewwayof...Maybeitworkslike..Peoplewilluseitto…UsefulexpressionsMoreinventionsDiscussingroupsoffourabouthowtodescribetheinventionwithfoursentencesforotherstoguess,usingthefollowingexpressions:Thisinventioncanhelppeople…Itlookslike…/It’smadeo