unit3

1、上冊(cè)Unit31Unit3TextATheCaseAgainstMan(狀告人類狀告人類)TeachingObjectives（教學(xué)目的）（教學(xué)目的）Studentswillbeableto1.graspthemainideastructureofthetext2.masterthekeylanguagepointsgrammaticalstructures3.conductaseriesofreadinglisteningspeaki

2、ngwritingactivitiesrelatedtothethemeoftheunit.Teachingprocedures（教學(xué)步驟）（教學(xué)步驟）(1)Prereadingactivity（Period1）a.Infmationrelatedtothetextb.IntroductiontotheTextc.Prereadingquestions(2)Whilereadingactivity（Periods23）a.Thegani

3、zationofthetextb.Detailedreadingstudyofthelanguagepoints(3)Postreadingactivity（Period4）a.SpeakingActivityb.WritingPracticec.HavestudentsfinishtheexercisesPeriod1Prereadingactivitya.BackgroundInfmation1.IntroductiontotheA

4、uthIsaacAsimov(19201992)wasaRussianbnAmericanwriterscientist.Thoughhepublishedseveralseriousscientificwksheisbestknownfhissciencefictionsties.HisprolificoutputcontainssomeofthefinestnovelsinsciencefictionincludingRobot(1

5、950)TheFoundationTrilogy(19511953).2.IntroductiontotheTextEcologyisthescientificstudyoftherelationshipofplantsanimalstotheirphysicalbiologicalenvironment.ThephysicalenvironmentcoversfactssuchastheEarth’slsealighttemperat

6、ureatmosphereetc.Thebiologicalenvironmentreferstolivingganisms(alsoknownasbioticganisms)suchasplantsmicroganismsanimals.Theecologyofaparticularplaceisthebalanceofrelationbetweenplantsanimalspeopletheenvironmentthere.Ecos

7、ystemreferstotheinteractingcommunityofganismstheirpysicalenvironment.Itincludesallganiclifeinagivenareaalongwiththesoilwaterotheringaniccomponentsoftheirhabitatalltheecologicalinteractionsthattake上冊(cè)Unit33Keytoleadinquest

8、ions1.Theenvironmentisallthenaturalconditionssuchasairwaterlinwhichmanlives.Environmentalproblemshaverecentlybecomebadtowseinthewldscope.Yes.Fexamplewiththedevelopmentofindustrythepollutionofairwaterisfoundeverywhere.Fes

9、tsvegetationhavebeendestyedthuscausingalargenumberofenvironmentalproblemsrangingfromglobalwarmingtoozonedepletion.What’sthewsethoussofspeciesarebecomingextincteveryyearwhilehumanpopulationisincreasingatanunprecedentedrat

10、e…2.EcologyisasciencethatstudiestheintricateinterrelatedinterdependentsystemoftheEarthplussolarenergy.Theecologicalsysteminwhichweliveisofgreatsignificancetomankind.Ifonespecieswasremovedfromthesystemtherewouldoccurthekn

11、ockoneffectsontheecosystem.Ifwelostakeyspecieswemightcauseawholefloodofotherextinctions.Soitisuptoeveryoneinthewldtopreservetheecosystem.3.AtthepresentrateofgrowththepopulationexplosionwilldogreatharmtotheEarth’senvironm

12、ent.EverybodybnmeansanadditionalburdentotheEarth’ssupptingcapabilityachallengetootherspeciesonthepla.Inmyopinionthebestwayoutistohavebirthcontrollingsoastokeepthewldpopulationwithinalimitednumber.4.1)c2)l3)d4)i5)b6)k7)h8

13、)e9)a10)g11)j12)fPeriod23Whilereadingactivitya.TheganizationofthetextTheGistoftheArticleTheauthofthisarticlemainlyarguesthatifthenumberofpopulationcontinuestogrowatthepresentratewithoutbirthcontrolevenifscienceservesusin

14、anabsolutelyidealwaywewillreachtheplaaryhighrisewithnoanimalsbutmanwithnoplantsbutalgaewithnoroomfevenonemepersonbytheyear2430.Ifscienceservesusinlessthananidealwaytheendwillcomesoonermankindwillstartfadinglongbefeheisfc

15、edtoconstructbuildingsthatwillcoveralltheEarth’ssurface.Intheendmanlikemurdererwilldestroylifethewholepla.Fthishewillhavetostatthebarofjustice.Therefetheauthconcludesiflifeistobesavedbirthcontrolshouldcomerightnowwhenthe

16、rearestilloaktreesinthewlddaisiestigersbutterflieswhenthereisstillopenlspace.Indertoconvincethereaderoftheserioussituationhumankindisfacingtheauthinthefirstsevenparagraphstriestodefinethenatureofmankindlifetheplatheirrel

17、ationship.Mankindisnotanindependentexistence.Itispartofanintricateweboflife.Nislifeanindependentexistence.ItispartoftheintricatestructureoftheEarth.Lifetakesmanycomplexfms.Eachofthesefmsisaninseparablepartofawhole.Alllif