高二英语课件： Unit 4 《Exploring plants Warming up and reading》(新人教版选修9).ppt

exploringplants,unit4,words,pollinatecourtyardbalconyexoticdistantegyptgoodsbotanist,vt.对授粉n.庭院;天井n.阳台;包厢adj.异国家情调的;奇异的adj.远的;远处的n.埃及n.货物n.植物学家,scaleconflictendeavoranchortightsealcontainerrestriction,n.磅秤;天平盘n.斗争;冲突n.尽力;竭力n.锚vi.约束,fluencyshavethunderstormpirateappeal,n.流利;流畅vt.求助,expressions,datebacktoappealto,追溯到有吸引力;呼吁,howmuchdoyouknowaboutplants?,warmingup,canyoutellthenameoftheflower?,tulip,tulipsarebeautifulflowersandpeopleoftensendthemtotheirfriendsaspresents.,tulip郁金香,peony,thechinesenationalflower,peony牡丹,sunflower,itcomesfromnorthamerica.indianstherebegantogrowthemsome3000yearsago.,sunflower向日葵,rose,rosesarebestpresentstobesenttofriends.anditisalsoverypopulartosendrosesaslovesignalbetweenyoungpeople.redrosesindicatewarmthandloveandwhiteones,purityandsimplicity,blueones,honestyandsincerity.,rose玫瑰,whichisyourfavoriteflower?why?,discussion:,didyouknowthat:,1.someplantsdonothaveflowers?,2.someplantshaverootsthatliveintheair?,3.someplantseatmeat?,4.someplantsneedanimalstopollinatethem?,5.someplantsgrowonotherplants?,6.plantsareadaptedtoliveinspecificenvironments?,7.peoplebuyplantsthatcomefromothercountriesfortheirgardens?,8.anewplantdoesnotalwaysgrowfromaseed?,specialplants,1doyouhaveacourtyardorsomepotplantsonyourbalcony?doyouknowwheretheseplantscomefrom?aretheychineseplantsordotheycomefromanothercountry?,pre-reading,whenyoulastvisitedapublicgarden,didyoulookattheindividualplantsthere?werethereanyplantsfromothercountries?,howdoyouthinkplantshavetraveledfromonecountrytoanother?,josephbanks,drnathanielward,thewardiancase,robertfortune(1812-1880),robertfortunerepresentedthehorticulturalsocietyoflondon(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,reading,plantexplorationinthe18thand19thcnturies,torfquestions:,1.theplantsinourgardengrewinchinaoriginally.,f,2.theamericanmiddleclassestookgreatinterestincollectingnewplantsduringthe18thand19thcenturies.,f,3.frenchcatholicmissionarieswerebeginningtosetthemselvesupinchinabythemiddleofthe18thcentury.,4.afterfatherdincarvilledied,sometreeofheavenseedsweresenttoengland.,f,t,banks,togetherwithjamescook,collectedmanyexamplesofplantsinaustralia.,6.keepingplantsaliveduringlonglandorseavoyagewasverydifficult,whichcausedthewardiancasetobeinvented.,t,t,7.robertfortuneintroducedover120speciesofplantstowesterngardens,becausehecouldeasilytraveleverywhereinchina.,8.duringthesecondhalfofthe19thcentury,manycatholicmissionariesweresenttochina,andtheycollectedmanyseedsofplants,whichweresentbacktofrance.,t,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,1inl5oobc,2inthe1740s,3in1751,answerthesequestionsingroup.,thequeenofegyptsentshipstogatherplants,animalsandothergoods.afrenchcatholicmissionarycalledfatherdincarvillewassenttobeijing.sometreeofheavenseedsarrivedinengland.,4in1769,5in1784,6in1833,sirjosephbankscollectedvastquantitiesofplantsinthelandnowknownasaustraliathetreeofheavenwasintroducedintonorthamerica.nathanielwardusedtwospecialcasesthathehadinventedtoshipbritishplantstosydney,australia.,7between1843and1859,8duringthesecondhalfofthenineteenthcentury,9in1897,abritishplantcollectorrobertfortune.madeseveraltripstochinamanycatholicmissionariesweresenttochinafromfrance.afrenchplantcollectorfatherfarges.sentseedsofthedovertreefromchinatofrance.,10in1899,aplantcollector,ehwilson.collectedalargequantityoftheseedsofthedovetreeinchina.,3answerthesequestionsingroups.,1whywastherealotofplantcollectingintheeighteenthandnineteenthcenturies?,europehasbecomeinterestedinscientificdiscoveryandeuropeanmiddleclassestookgreatinterestincollectingnewplantsthistime.,2howdidfrenchmissionariescometobeplantcollectors?,theyvaluedthestudyofthenaturalsciencesandmanyofthemknewallotaboutplantsandanimals.,3whatweresomeofthenegativeaspectsofplantcollectingexpeditions?,negativeaspectsincludeddisease,near-starvation,severeenvironment,conflictswiththelocalpeople,plantsdyingduringlongtripsorseedsfailingtogrowafterlongtrips,pirates,badweather,notknowingthelocallanguageandcustoms,etc.,4transportingplantsoverlongdistanceswasabigproblem.whywasthis?,itwashardtokeepthemaliveduringlongtrips.,5whydidmanyplantsfailtoreachtheirdestinationsalive?canyouthinkofanyotherreasons?,theseedsofmanyplantsfailedtogrowafterlongtrip:plantswerenotlooked,afterproperlyduringthetrip.forexample,oneplantexplorerlosthisplantswhentheywerewanedwithseawater.otherreasonsincludelackoffreshwater,wrongenvironmentalconditions,forinstance,incorrecttemperatures,saltyair,andlackofsunlightandrain,etc,iftheplantsweretransportedinsidetheshiportrain.,6whatimprovedthesurvivalratesofplantstransportedlongdistances?,itwastheinventionofthewardiancase.,imagine:,supposethreeofyouarebotanists(植物学家),andoneisacaptain.noweachbotanistwantsthecaptaintobringhisplanthome.butthecaptaincantakeonlyoneplant,soeachmusttryhisbesttoexplainhisreasontopersuadethecaptainintotakinghisownplant.,1.datebackto追溯到;始于,1thistowndatesbacktoromantimes.2thecastledatesbacktothe14thcentury.3thesesocietiesdatedasfarbackasacentury.,languagepoints,datefrom追溯到;始于,1thedressdatesfromthe19thcentury.2thiscustomdatesfromthe17thcentury.3myinterestinstampcollectingdatesfrommyschooldays.,datedadj.过时的;陈旧的,1itfacesconflictswiththeamericanpeople.2nationsmustntsettletheirdifferencebyarmedconflict.3attimespersonalityconflictsdevelopbetweenteachersandstudents.,2.conflictn.矛盾,分歧;冲突,斗争,1thesetwolinesareinconflictwitheachother.2everyonewasawarethathusbandandwifewereinconflict.3thetwinsareinconflict.,aconflictofopinions/wills/interestsinconflict(with),1tieitastightlyasyoucan.2hisarmswerefoldedtightly.3heheldmebythearmsotightlythatithurt.,3.tightly紧紧地,满满地,thecoatlookstight.wehopetofinishthetasknextweek,butthescheduleisabittight.,tightadj.紧;绷紧;拉紧,tightadv.紧地;满地,holdtighttotherailingoryoumayslipandfall.,theparkisopentothepublicwithoutrestriction.,4restrictionun.限制,hedislikestheirrestrictionofhisfreedomofchoice.,cn.限制性规定therestrictionsontheuseoftheplay-ground:nofighting.nodamagingproperty.thegovernmentplacedrestrictionsonthenumbersofforeigncarsthatcouldbeimported.,restrictvt.限制,控制,hefeelsthisnewlawrestricthisfreedom.thetreesrestrictedourvision.,restrictedadj.有严格控制的,局限的restrictiveadj.限制性的,1heappealedtohisfriendsforsupport.2themurdererappealedtothecourtformercy.,5.appealvt.吸引;投合兴趣或爱好,howdidthecourseappealtoyou?thesepicturesdontappealtothechildren.,呼吁,请求appealto