高级英语第一册Unit3ShipsintheDesert.ppt

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1、Unit 3 Ships in the DesertShrinking Sea in the Desert:The Aral Sea The Aral sea was the fourth largest lake in the worldHowever,the water of the Aral Sea is currently declining rapidly,and its area is shrinking year-by-year.Around 1989,it was divided into the small Aral Sea on the north side and the

2、 large Aral Sea on the south side.Moreover,the large Aral Sea is soon going to be divided into eastern and western parts.Image 1 depicts the Aral Sea on November 16,1996 and Image 2 depicts that of October 14,2003.We can readily see that the outline of the lake has drastically changed during the las

3、t seven yearsImage 1 image2Bleak:1.withoutanythingtomakeyoufeelcheerfulorhopefule.g.ableakoutlook/prospect/future暗淡的前景2.Gloomyandsomber;dreary暗淡的和昏暗的；阴郁的e.g.“LifeintheAranIslandshasalwaysbeenbleakanddifficult”(JohnMillingtonSynge)“艾伦群岛的生活一直是困苦不堪的”(约翰米林顿辛格)3.Coldandcutting;寒冷和刺骨的；阴冷的：e.g.bleakwindsof

4、theNorthAtlantic.北大西洋的冷风vocabularyLap:1.Towashorslapagainstwithsoftliquidsounds:拍打:伴随着轻柔的液体声音冲洗或击打：e.g.waveslappingthesideoftheboat.波浪击打着船的侧面Divert:1.tochangethedirectionorpurposeofsomething使转向e.g.Trafficwasdivertedaroundthesceneoftheaccident.疏导交通绕过出事现场2.ToentertainsomeonevocabularyIll-considered:de

5、cisions,actions,ideasthatareill-consideredhavenotbeencarefullythoughtabout.e.g.ill-consideredactionssuretoresultindisaster.必然导致灾难的不明智之举Cracked:somethingiscrackedhasbeendamagedandhasoneormorelinesonitssurface.e.g.Hisfaceiscrackedanddry.Peel:tolosetheouterlayerorsurface脱皮vocabularyEmission:1.ncAnamoun

6、tofgasorothersubstancethatamachineorfactoryproducesandsendsintotheaire.g.Britainhasagreedtocutemissionsofnitrogenoxidefrompowerstations.英国已经同意减少发电站的氧化氮排放量。2.uthesendingoutofgas,light,heatetcIcerunaway:astripofpavedicegroundforusebyairplaneintaking-offandlanding.Becauseitsinthesouthpole,soitsanicerun

7、away.vocabularySkiplane:anairplanewithskisinsteadofwheelsforlandingandtakingoffinthesnow.SkiplaneatthesouthpolevocabularynInexorable:aninexorableprocesscantbestoppede.g.theinexorabledeclineofBritainsmanufacturingindustry.Pitch:1.pitchedatent;pitchcamp.搭帐蓬；扎营2.Tothrowortosssomething抛，扔，投：投或抛出某物3.沥青vo

8、cabularySlab:apiecethatisflat,broadandfairlythickAslabofcake/chocolatevocabularyFrigid:1.Extremelycold寒冷2.Notfriendlyorkind冷淡vocabularyRendezvous:1.Aprearrangedmeetingplace,especiallyanassemblypointfortroopsorships.会面地点；指定集合地：预先安排好的会面的地点，尤指部队或船只的集合地点2.Apopulargatheringplace:受欢迎的聚会地方：Thecafisafavorit

9、erendezvousforartists.咖啡馆是艺术家们向往的聚会地vocabularyEerily:adv.mysteriouslyoruncannily,esp.insuchawayastofrightenordisturb神秘地，离奇地Eerie:adj.e.g.theeeriesoundofowl猫头鹰诡异的叫声vocabularyScenario:1.pluralscenarioscasituationthatcouldpossiblyhappenbuthasnothappenedyet.e.g.Trytoimagineascenariowhereonly20%ofpeopleh

10、aveajob.设想一下只有20%的人有工作的情形。2.Awrittendescriptionofthecharacters,placeandthingsthatwillhappeninafilm,playetc.情节梗概vocabularyTundra：thevastandtreelessplainsoftheArcticregions苔原，冻土地带Temperature:-40Cto18CPrecipitation:150to250mmofrainperyearvocabularyNoctilucent:Luminousatnight.Usedespeciallyofcertainhigh

11、clouds.夜间发光的：夜间发光的，尤用于指一定高度的云的Noctilucentclouds:vocabularyTranslucent:partiallytransparent半透明的TranslucentOpaqueTransparentvocabularyMethane:甲烷Wheredosemethanegascomefrom?Itsreleasedfrom:1.Landfill:thedisposalofrubbishbyburyingitunderashallowlayerofground垃圾填埋2.coalmine:煤矿3.ricepaddy:稻田4.termite:白蚁5.T

12、heburningofbiomass：生物燃料的燃烧6.OtherhumanactivitiesvocabularyGlisten:toshineorsparklewithreflectedlight,asawetorpolishedsurface闪光，反光e.g.Theboysbackwasglisteningwithsweat.男孩的背因为汗水而闪闪发光。Spectral:1.likeaghost,ghostly鬼怪的，幽灵似的2.光谱的vocabularyCollision:Theactorprocessofcolliding;acrashorconflict.碰撞：碰撞的行为或过程；碰

13、撞或冲突e.g.1.Theschoolbuswasinvolvedinacollisionwithatruck.2.Environmentalistsandloggersareonacollisioncourse,withnocompromiseinsight.vocabularyAquifer:Anundergroundbedorlayerofearth,gravel,orporousstonethatyieldswater.蓄水层vocabularyEquilibrium:astateofbalancebetweenopposingforces平衡Pervasive:existingors

14、preadingeverywhere弥漫性的，渗透性的：e.g.thepervasiveinfluenceoftelevisionvocabularyOzonedepletion:臭氧层损耗vocabularyDeploy:toorganizepeopleorthings,especiallysoldiers,militaryequipmentsothattheyarereadytobeused.e.g.Theydecideditwastimetodeploymoretroops.他们决定现在是时候部署更多的部队了。vocabularyLeapfrog:1.tojumporskipover(l

15、eapfrogisagameinwhichonepersonbendsdownandanotherjumpsoverhimfrombehind)跃过vocabularyTheCauseandEffectofGlobalWarming：Since the beginning of the industrial revolution,atmospheric concentrations of carbon dioxide have increased nearly 30%,methane concentrations have more than doubled,and nitrous oxide

16、 concentrations have risen by about 15%.These increases have enhanced the heat-trapping capability of the earths atmosphere.Why are greenhouse gas concentrations increasing?Scientists generally believe that the combustion of fossil fuels and other human activities are the primary reason for the incr

17、eased concentration of carbon dioxide.GlobalTemperatureChange(1880-2000)TheImpactofGlobalWarming1.Rising global temperatures are expected to raise sea level,and change precipitation and other local climate conditions.2.Changing regional climate could alter forests,crop yields,and water supplies.It c

18、ould also affect human health,animals,and many types of ecosystems.Thedominantcauseofchangeintheglobalenvironment:HumanCivilizationTwokeyfactorsthatdefinetherealityofourrelationshiptotheearth：1.Humanpopulation(surge)2.ThescientificandtechnologicalrevolutionConclusion:Thecommoncauseoftheenvironmental

19、destruction:thenewrelationshipbetweenhumancivilizationandtheearthnaturalbalanceExerciseIV1radiationpollutionimitationdestruction2.environmentmeasurementenrichmentenlightenment3.imagedamagepostageadvantage4.Coldnessthicknessboldnesssharpness5.Emissioncollisionadmissiondepression6.activityfragilitysen

20、sitivityproductivity7.naturetemperatureposturedepartureindenture8.consequenceevidenceindependenceimpudence9.frequencyconstancyflagrancyconsistencypotency10crisisparalysisanalysismetabasis11.relationshipfriendshipownershippartnership12.truthstrengthdepthlengthbirthIX1.Underlying-basic images-examples

21、2.Inexorable-unalterable3.Rendezvous-meeting4.Defined-characterized Collide-strikeagainsteachother5.Established-setup6.Witness-see Assault-attack7.simultaneously-atthesametime8.equilibrium-balance9.Cumulative-increasing sustenance-existence10.Challenge-task11.Obsolete-out-of-date X1.Beforetakingacti

22、ons,youmustconsiderthe_(result,consequence,outcome)Key：1.consequences2.Itisnottheknowing,butthedoingthatbrings_(result,consequence,outcome)Key:2.results3.Thebookembodiesthe_ofhistenyearsoforiginalresearch.(result,consequence,outcome)Key：3.results4.Butitwouldbeprematuretoforecastthe_ofthewar.(result,

23、consequence,outcome)Key:4.Outcome5.Thefinancial_ofthecompanyforthelasthalfyearwereverysatisfactory.(result,consequence,outcome)Key:5.Results6.Theneworganizationisthe_ofameetingheldamongmemberstateslastmonth.(result,consequence,outcome)Key:6.outcome7.Wecantgetridofwarunlesswegetridofthe_ofwar.(cause,

24、reason)Key:7.causes8.Thenewsoftheaircrashwasreportedrightaway,butthe_werenotdisclosed.(cause,reason)Key:8.causes9.Hehadno_sufficientlygoodenoughfortherefusalofthepost.(cause,reason)Key:9.reason10.Theladyhadtoremainnamelessfordiplomatic_.(cause,reason)Key:10.reason11.Shebrokeoffall_withthemanwhohadde

25、ceivedher.(relation,relationship)Key:11.relations12.Inthepastfewyears,theyformeda_ofunquestioningpoliticalloyalty.(relation,relationship)Key:12.relationship13.Hehasdonesomuchtodeveloptrade_betweenChinaandJapan.(relation,relationship)Key:13.Relations14.Toprotectglobalenvironment,wemusthaveacorrectund

26、erstandingofthe_betweenourcivilizationandtheearth.(relation,relationship)Key:14.relationship15.Hehadauniquewayofputting_thoughtsintosimplewords.(complex,complicated)Key:plex16.A_sentencehasoneormoreclausesbesidesthemainclause.(complex,complicated)Key:plex17.youarenothelpingme.Youareonlymakingthingsm

27、ore_thantheyare.(complex,complicated)Key:plicated18.Astheedificeofcivilizationisbecomingmore_,wefeelincreasinglydistantfromourrootsintheearth.(complex,complicated)Key:plex19.Theprocessis_andeasytograsp.(simple,simplistic)Key:19.simple20.Thisisa_answer,andIamsureitwontsolvetheproblem.(simple,simplistic)Key:20.simplistic