人教课标版+高三英语+选修九unit4Exploring plants+ppt课件.ppt

Unit4Exploringplants,Warmingup,Howmuchdoyouknowaboutplants?,DISCUSSION:,Didyouknowthat:,1.someplantsdonothaveflowers?,2.someplantshaverootsthatliveintheair?,3.someplantseatmeat?,4.someplantsneedanimalstopollinatethem?,5.someplantsgrowonotherplants?,6.plantsareadaptedtoliveinspecificenvironments?,7.peoplebuyplantsthatcomefromothercountriesfortheirgardens?,8.anewplantdoesnotalwaysgrowfromaseed?,Pre-reading,Doyouhaveacourtyardorsomepotplantsonyourbalcony?Doyouknowwheretheseplantscomefrom?AretheyChineseplantsordotheycomefromanothercountry?,Whenyoulastvisitedapublicgarden,didyoulookattheindividualplantsthere?Werethereanyplantsfromothercountries?,Howdoyouthinkplantshavetraveledfromonecountrytoanother?,JosephBanks,DrNathanielWard,TheWardiancase,RobertFortune(1812-1880)representedtheHorticulturalSocietyofLondon(nowtheRoyalHorticulturalSociety)asacollectorinChinashortlyaftertheTreatyofNanjinghadbroughttheOpiumWartoaclose.ThroughhisuseoftheWardiancase,Fortunewasabletointroducemanyofthebest-knownChinesegardenplantsintocultivationinEuropeandNorthAmerica.,PrePaulGuillaumeFarges(1844-1912),Frenchmissionaryandnaturalist.BornatMonclar-de-Quercy,Tarn-et-Garonne.HewassenttoChinain1867andremainedstationedinnorth-eastSichuanuntil1903.Althoughhehadalwaysnurturedaninterestinthelocalfloraandfauna,itwasnotuntil1892thathestartedtocollectherbariumspecimensinearnest.DuringtheelevenyearsbeforehemovedsouthtoChongqing,hecollectedandpreservedover4,000specimens.,DoveTree,ErnestHenryWilson(1876-1930),Scanthetitleofthereadingpassageandthepicturesandpredictwhatitisabout?,PlantExplorationinthe18thAnd19thcenturies,Skimming,Readthepassagequicklyandtrytogetthemainideaofthispassage?,Reading,Scanning,TorFQuestions:,1.TheplantsinourgardengrewinChinaoriginally.,F,2.TheAmericanMiddleClassestookgreatinterestincollectingnewplantsduringthe18thand19thcenturies.,F,3.FrenchCatholicmissionarieswerebeginningtosetthemselvesupinChinabythemiddleofthe18thcentury.,4.AfterFatherdIncarvilledied,someTreeofHeavenseedsweresenttoEngland.,F,Banks,togetherwithJamesCook,collectedmanyexamplesofplantsinAustralia.,6.Keepingplantsaliveduringlonglandorseavoyagewasverydifficult,whichcausedtheWardianCasetobeinvented.,7.RobertFortuneintroducedover120speciesofplantstoWesternGardens,becausehecouldeasilytraveleverywhereinChina.,8.Duringthesecondhalfofthe19thcentury,manyCatholicmissionariesweresenttoChina,andtheycollectedmanyseedsofplants,whichweresentbacktoFrance.,F,Detailedreading:,Trytogetthemainideaofeachparagraph:,Para1:,explainswhenplantcollectingbegan.,Para2:,describeswhenandwhereplantcollectingbeganonalargescalebyEuropeans.,Para3:,talksaboutFrenchCatholicmissionarieswhocollectedplantsinChinainthe18thcentury.,Para4:,isaboutthefamousBritishplantcollector,SirJosephBanks,whocollectedmanynewplantsinAustralia.,Para5:,explainstheproblemsofkeepingplantsaliveonlongtrips.,Para6:,describesanexperimentcarriedoutbyDrNathanielWardwhoinventedaglasscaseinwhichtotransportplantsonlongjourneys.,Para8:,isaboutFatherFarges,aFrenchCatholicmissionarywhocollectedplantsinChinainthe19thcentury.,Para7:,isaboutRobertFortune,aBritishplantcollectorwhomadeseveraltripstoChinainthe19thcentury.,Para9:,DescribeshowmanyEuropeanplantcollectors,suchasEHWilson,wenttoChinasothatnewplantscouldbeintroducedtogardensintheWest.,Structure:,PartI:,Para1-2thebeginningofplantcollecting,PartII:,Para3-4theexplorationofplantsinthe18thcentury,PartIII:,Para5-7theinventionanduseofWardiancase,PartIV:,Para8-9theexplorationofplantsinthe19thcentry,1.Thetextiswrittenintheorderof_.A.TheimportanceofplantexplorationB.ThetimelineofplantexplorationC.ThecollectionofplantsD.Theageofcollectors,主旨大意题,2.Theword“exotic”inthefirstparagraghprobablymeans_.A.familiarB.foreignC.farawayD.various,词义猜测题,3.WhofirstsentseedsoftheDoveTreetoEurope?A.RobertFortuneB.E.H.WilsonC.FatherFargesD.FatherdIncarville,事实细节题,4.Whatisthemostprobablereasonforcollectingnewplantsinthe18thand19thcentury?NewplantscouldbeusedforscientificresearchB.TheplantcollectorstookgreatinterestintheexpeditionsC.TheplantcollectorswereeagertoenrichtheirexperiencesD.Theplantcollectorswantedtointroducenewspeciestotheirnativecountry.,推断题,Comprehending,Time,People/plants,HistoricEvents,In1500B.C,FatherdIncarville,sentshipstogatherplants,animalsandothergoods,theQueenofEgypt,inthe1740s,wassenttoBeijing,treeofHeavenseeds,collectedplantsinAustralia,In1784,theTreeofHeaventree,In1751,arrivedinEngland,In1769,SirJosephBanks,wasintroducedintoNorthAmerica,In1833,shippedtwocasesofBritishPlantstoSydney,RobertFortune,Duringthesecondhalfofthe19thcentury,weresenttoChinafromFrance,NathanielWard,1843-1859,madeseveraltripstoChina,manyCatholicmissionaries,FatherFarges,collectedalargequantityoftheseedsoftheDoveTreeinChina,In1897,sentseedsofDoveTreeFromChinatoFrance,In1899,EHWilson,Imagine:,Supposethreeofyouarebotanists(植物学家