Unit5RevealingnatureUnderstandingideas课件高中英语选择性

Unit5RevealingnatureLearningObjectivesStudentscanunderstandthereadingmaterials.Studentswillthinkandanalyzeitthroughstudyingthestyleandwritingskills.Studentsareabletousedifferentmethodstosearchrelatedinformationandcomparethem.Concludethereadingmaterial.Developtheawarenessofscientificexploring.Doyouremembertheseunusualanimals?KomododragonsDuck-billedplatypusNautilusWhatfactorscancausetheprocessofevolution?Whobringforwardthetheoryofevolution?LeadinginWatchavideoandfindouttheanswers.LeadinginWhoishe?Whyhebegantoexplorethenature?What’sthenameofhisrepresentative(代表作)？1.Readthepassageandanswerthequestions.1.Whattypeofessayisit?A.narrative(记叙文)B.argumentative(议论文)C.expository(说明文)2.Canyoufindoutwhatkindofordertheauthorused?Timeorder.3.Choosethemainideaofthepassageandgiveyourreasons.Darwin'sinterestinvariouslivingthingsmadehimagreatnaturalist.Darwin'sjourneyontheBeagleinspiredhisTheoryofEvolution.Darwinwentonajourneytoconfirmhistheorythathumanshadevolvedovertime.UnderstandingActivity12.Readfordetailedinformation.CharlesDarwinwasageologistandnaturalist,fascinatedbyrocks,plantsandanimals.1831—leftEnglandontheBeagle1835—GalapagosIslandsHenoticedsomespeciesweresimilartoeachother.Hethoughtdifferentlyfromtheoldtheory.putforwardthetheoryofevolutionStudiedandaskedaquestion→Comeupwithanidea→Tolookformoreevidence→Darwinexplainedthistheoryinhisbook,OntheOriginofSpecies.whowhen&wherewhatdidhedo?howdidhedevelophistheory?whyhewantedtodoso?1.Numberthepuzzlepiecesintimeorder.UnderstandingActivity2123452.Completethepuzzlepieces.variouslivingthingsintheirnaturalenvironmentsandsamplesoftheplantsandanimalshehadcollected1verysimilartoeachother2Maybeanimalsevolvedastheyadaptedtotheirchangingenvironments?cometoexistthattherewasadifferencebetweenthefinchesoneachoftheislandshadevolvedaccordingtowhatfoodwasavailableonthatparticularislandhadevolvedfromacommonancestor,whichhadarrivedontheislandsalongtimebeforeslowlyevolvedintomanynewspecies34hadevolvedfromlowerformsoflife5ApplicationReadparagraph6andthinkaboutthequestionbasedonhistoricalfactors:WhyDarwindidnotpublishhisTheoryofEvolutionuntil1859,about20yearsafterhisdiscovery?government,scientificdevelopment,religion(宗教),backwardideas,literacyrate(识字率)...Application2.WhatkindofpersonwasDarwinaccordingtothepassage?Howcanthisspirithelpyouinyourlifeandstudies?Darwinwasadeterminedman.Hehadstrongcuriosityandinterestinscienceandwasgoodatthinkingandmakingdiscoveries.Learningfromhim,Iwillkeeponworkinguntilmydreamcomestrue.InnovationAImakesitpossibleforustotalkwithpeoplefromthepast.NowyouareinvitedtoanAIexhibition“theDiscoveryofDarwin”,whereyoucanasksomequestions.Supposeonestudentinyourgroupis“Darwin”,andothersarevisitors.AskDarwinquestionsabouthisdiscoveryandactitout.examples:1)V:Whatdidyoufindonyourjourney...D:Icollectedsomesamplesandsomeofthem wereverysimilartoeachother...2)V:Howdidyousolveyourpuzzles...D:Ilookedformoreevidenceinotherplaces...3)V:Whydidn’tyoupublishthebookatonce?WorkingroupsHomeworkWorkingroups.SearchontheInternetabouttheOriginofSpeciesandsummarizeitsmainviewpoints.Explaintheconcept(概念)fromtheOriginofSpeciesanddiscu