Unit5RevealingnatureUnderstandingideas課件高中英語(yǔ)選擇性

Unit5RevealingnatureWhatspeciesdoyourecogniseinthepicture?Whatisthispictureabout?evolutionAJourneyofdiscovery1.Tograspthemainideaofthepassagebyskimmingandscanning.2.TocollectmoredetailsaboutDarwin'sjourneyandlearntointroducethisjourney.3.Tolearnthespiritofscientificexplorationandapplyittoourlifeandstudies.LearningobjectivesChoosethemainideaofthepassageandgiveyourreasons.1).Darwin’sinterestinvariouslivingthingsmadehimagreatnaturalist.2).Darwin’sjourneyontheBeagleinspiredhisTheoryofEvolution.3).Darwinwentonajourneytoconfirmhistheorythathumanshadevolvedovertime.ReadformainideaAJourneyofDiscovery?AJourneyofDiscoveryThistitlemeans:1)Hisjourneyontheship,thebeagle2)HisjourneytoproposethetheoryofevolutionQ1:Whydidn'tthecaptainoftheBeaglethinkDarwinwasthebestchoice?Becausethat1)Darwinhadleftmedicalschoolwithoutcompletinghisdegree2)Hehadrecentlyreceivedaletterfromhisfatherpredictingthathewouldbe“adisgracetoyourselfandallyourfamily”Q2:Whyweremanypeople“shocked”byDarwin’stheory?

ReadfordetailsWhydidn'tthecaptainoftheBeaglethinkDarwinwasthebestchoice?A.BecauseDarwinwasn'tadmittedtouniversity.B.BecauseDarwinleftschoolwithoutcompletinghisdegree.C.BecauseDarwinbroughtshametohimselfandhisfamily.D.BecauseDarwinhadnotenoughinterestinvisitingdistantcountries.Itwasayoungmanwhohadleftmedicalschoolwithoutcompletinghisdegree.What'smore,hehadrecentlyreceivedaletterfromhisfatherpredictingthathewouldbe“adisgracetoyourselfandallyourfamily”Q1:Whydidn'tthecaptainoftheBeaglethinkDarwinwasthebestchoice?

BecauseDarwinhadleftmedicalschoolwithoutcompletinghisdegreeandhehadrecentlyreceivedaletterfromhisfatherpredictingthatbewouldbe“adisgracetoyouselfandallyoufamily”Q2:Whyweremanypeople“shocked”byDarwin’stheory?

BecauseatthattimepeoplebelievedallspecieshadappearedonEarthatthesametimeandhadnotchangedsince,butDarwin'stheoryproposedthatlivingthings,includinghumans,hadevolvedfromlowerformsoflife.Readfordetails()ONHISJOURNEYDarwinstudied_________________Henoticedthatsomespeciesofanimalswere___________()PROPOSEATHEORY

TheTheoryofEvolution:livingthings,includinghumans,_________________

()DEVELOPIDEASDarwinsuspectedthat

thefinches___________andithad_____________()LOOKFORMOREEVIDENCEOntheGalápagosIslandsHenoticed________________Itseemedthebeaks_________

()GENERATEIDEASDarwinaskedthequestions:Howdiddifferentspecies___________________?____________________________

ONHISJOURNEYDarwinstudied___________________________________Henoticedthatsomespeciesofanimalswere____________________________________GENERATEIDEASDarwinaskedthequestions:Howdiddifferentspecies_______________________________________________________________________

LOOKFORMOREEVIDENCEOntheGalápagosIslandsHenoticed__________________________________________

Itseemedthebeaks_________DEVELOPIDEASDarwinsuspectedthatthefinches___andithad________

PROPOSEATHEORY

TheTheoryofEvolution:livingthings,includinghuman,________________————————

variouslivingthings...andsamplesof..verysimilartoeachothercometoexits?Maybeanimalsevolvedastheyadaptedto...thattherewasadifferencebetwweenthefincheson...hadevolved...hadevolvedfrom..slowlyevolvedintomanynewspecieshadevolvedfromlowerformsoflifeReadforthinkingQ1:Howdidtheauthororganizethepassage?

BytheorderoftimeQ2:WhatkindofpersonwasDarwinaccordingtothepassage?determined;hadstrongcuriosityandinterestinscience;goodatthinking;hadperseveranceQuestion:

Whathaveyoulearntaboutthespiritofscientificexploration?Howcanthisspirithelpyouinyourlifeandstudies?ReadbeyondthetextWeshould:daretodoubtsomethingcometoaconclusionbasedonfactsandobservationkeepastrictattitudesticktoourgoalwhenfacedwithdifficulties.IntroducethejourneyofDarwin'sdiscovery1)Introducethejourneyofdiscovery

2)Aroleplay:

SupposeyouhaveachancetohaveatalkwithDarwinacrosstimeandspace.Talkwithhimabouthisdiscoveryofthetheoryofevolution.

3)Makeupadialoguebyyourselves.

3choicesforyou：

ONHISJOURNEYDarwinstudied_____Henoticedthatsomespeciesofanimalswere___________GENERATEIDEASDarwinaskedthequestions:Howdiddifferentspecies___________________?________________________

LOOKFORMOREEVIDENCEOntheGalápagosIslandsHenoticed________________Itseemedthebeaks_________DEVELOPIDEASDarwinsuspectedthatthefinches___a