Silent Spring 现代大学英语精读第三册教材PPT资料.pptx

Silent Spring 现代大学英语精读第三册教材PPT资料.pptx

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,-Yes.,3.Whatdoyouthinkshouldthewomanandherfamilydoiftheresreallysomethingpoisonousintheirwater?

-TheyshouldbringasuitagainstthePG&

Ecompany.,Environmentalprotectionorganizations,GreenParty:

aBritishpoliticalpartythataimstoprotecttheenvironment.Itisagainsttheuseofnuclearpowerandotherformsofindustryandtransportwhichitconsidersharmful.Itwasformedin1973astheEcologyParty,andchangeditsnametotheGreenPartyin1985.Othercountriesalsohavepartiesthatsharethesamenameandideals.,GreenRallyGreenparties,whichfocusonenvironmentalconcernsaswellassocialchange,emergedasapoliticalforceinEuropeinthe1980s.Shownhere,supportersofthegreenpoliticalmovementdemonstrateinParis.,Greenpeace,Alargeinternationalpressuregroupthataimstoprotecttheenvironment.Itsmembersarewellknownfortakingdirectactionandputtingtheirownlivesindangerinordertostoppeoplefromharmingtheenvironment.Forexample,theyoftengooutinsmallboatstostoppeoplefromkillingwhalesorthrowingpoisonousmaterialsintothesea.,GreenpeaceFlagshipRainbowWarriorThisphotoshowsGreenpeacesflagship,RainbowWarrior,whichwaslaunchedin1989onthefourthanniversaryofthesinkingofitsnamesake.TheoriginalRainbowWarriorwassunkinaNewZealandportbyFrenchagentstopreventGreenpeaceprotestsagainstnucleartestsintheSouthPacific.Theshipwasnamedafterthe“warriorsoftherainbow,”who,accordingtoaNativeAmericanprophecy,werepredictedtosavetheearthfromecologicaldisaster.,TheEnvironmentalProtectionAgency:

AUSgovernmentorganizationthatestablishedrulesandstandardsfortheprotectionoftheenvironment,e.g.againstpollution.,Gaiahypothesis,Thetheory,putforwardbyBritishscientistJamesE.Lovelockintheearly1970s,thattheearthisasingle,livingorganism.GaiawastheancientGreeksearthgoddess.Lovelocksuggeststhattheearthisself-regulating,likethehumanbody.Gaiatheoryworshipstheearthtothepointofexcess.,Protagoras（c.481411B.C）:

Greekphilosopher,oneofthemostrenownedSophists（professionalteacherinGreeceinthe5thcenturyB.C.）,nowknownmainlyforhissayingthat“Manisthemeasureofallthings.”,TheretentionofheatbythelowerlayersoftheEarthsatmosphere,which,itisbelieved,willcauseariseintemperatureoftheEarthanditsatmosphere,knownasglobalwarming.,DivisionsoftheAtmosphere,热层Thermosphere,中间层Mesosphere,臭氧层OzoneLayer平流层Stratosphere对流层TroposphereWithoutouratmosphere,therewouldbenolifeonEarth.Arelativelythinenvelope,theatmosphereconsistsoflayersofgasesthatsupportlifeandprovideprotectionfromharmfulradiation.,ChinasAirPollution,Areportreleasedin2004bytheWorldHealthOrganization（WHO）notedthatofthetwentymostpollutedcitiesintheworld,sixteencanbefoundinChina.Sulfurdioxideandsootcausedbycoalcombustionaretwomajorairpollutants,resultingintheformationofacidrain,whichnowfallsonabout30%ofChinastotallandarea.IndustrialboilersandfurnacesconsumealmosthalfofChinascoalandarethelargestsinglepointsourcesofurbanairpollution.,EnvironmentalProblemsTheozonelayer:

skincancer;

plankton浮游生物Thegreenhouseeffect;

meltingicecaps;

disturbedclimate;

driedupplains;

emptyBreadbasket”粮仓“Pollutedwaters,acidrains,sandstorms,soilerosion,desertification,deforestation,over-fishing,salinization土壤盐化PossibleSolutionsEnergyefficiencytechnology;

biotechnology;

（energyefficientbuildings）Cleanfuels:

naturalgas;

windpower;

solarpower;

hydro-power,TextOrganization,Mainideaofthetext:

Pollutionbychemicalsandproblemsbroughtbyintroducedspecies:

Humanbeingsaretamperingwithnatureandcausingchangesthataretoomanyandtooquick,sothatpeoplecannotadapttothem.,berry,-berryasmall,juicy,fleshyfruit,suchasablackberryorraspberry,regardlessofitsbotanicalstructureStrawberry草莓Blackberry黑莓,BlueberryRaspberryGooseberry,越橘的一种覆盆子，黑莓醋栗,HighbushBlueberryThehighbushblueberry,adeciduousshrubgrowingto1.5m（5ft）,iscultivatedforitsflowers,sweetfruit,andbrightredautumnfoliage.Thisplantgrowswellinmoist,well-drained,acidic,sandyorpeatysoils.,EuropeanRedRaspberryTheEuropeanredraspberrywasoneofthefirstEuropeanplant