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1Lesson3ShipsintheDesert课后练习答案及补充练习习题全解I.1)ThewriterwenttotheAralSeatosearchfortheunderlyingcausesoftheenvironmentalcrisis.Whathesawtherewashotdrysand.2)Itwastheannuallayersoficeinacoresampledugfromtheglacier.3)Scientistsweremonitoringtheairseveraltimesadaytochartthecourseoftheclimatechange.4)Becausethepolarcapplaysacrucialroleintheworld'sweathersystem,thethinningofthepolarcapmightcausefloodinmanyplacesoftheworld.5)TherearemoredifferentspeciesofbirdsineachsquaremileoftheAmazonthanexistinallofNorthAmerica.ThedestructionoftheAmazonrainforestwillmeansilencingthousandsofsongswehaveneverevenheard.6)Thewritercallsnoctilucentcloudsghostsinthesky.Asaresultofpollution,thecloudsoccasionallyappearwhentheearthisfirstcloakedintheeveningdarkness.Andtheyappearmoreoftenbecauseofahugebuildupofmethanegasintheatmosphere.7)Becausewearenotyetawakenedtotakeeffectivemeasurestodealwiththeclimatechange.8)Carbondioxide'sabilitytotrapheatintheatmospherecausesglobalwarming.Becauseglobalwarmingseriouslythreatenstheglobalclimateequilibriumthatdeterminesthepat-ternofwinds,rainfall,surfacetemperatures,oceancur-rents,andsealevel.Theseinturndeterminethedistributionofvegetativeandanimallifeonlandandseaandhaveagreateffectonthelocationandpatternofhumansocieties.9)Thetwokeyfactorsarehumanpopulationandthescientificandtechnologicaldevelopment.Thedramaticchangesthathaveoccurredinthesetwofactorsareasuddenandstartlingsurgeinhumanpopulationandasuddenaccelerationofthescientificandtechnologicalrevolution.10)Thewriter'ssolutiontoourecologicalproblemsistoreinventandfinallyhealtherelationshipbetweenhumanbeingsandtheearthbycarryingoutacarefulreassessmentofallthe{actorsthatledtotherelativelyrecentdramaticchangeintherelationship.Ⅱ.1)Itwasnotatallpossibletocatchalargeamountoffish.2)Followingthelayersoficeinthecoresample,hisfingercametotheplacewherethe2layeroficewasformed2050yearsago.3)keepsitsenginesrunningforfearthatifhestopsthem,themetalpartswouldbefrozensolidandtheengineswouldnotbeabletostartagain4)Bitbybittreesintherainforestarefelledandthelandisclearedandturnedintopasturewherecattlecanberaisedquicklyandslaughteredandthebeefcanbeusedinham-burgers.5)Sincemilesofforestarebeingdestroyedandthehabitatfortheserarebirdsnolongerexists,thousandsofbirdswhichwehavenotevenhadachancetoseewillbecomeextinct.6)Thinkingabouthowaseriesofeventsmighthappenasaconsequenceofthethinningofthepolarcapisnotjustakindofpracticeinconjecture(speculation),ithasgotpracticalValue.7)Weareusinganddestroyingresourcesinsuchahugeamountthatwearedisturbingthebalancebetweendaylightanddarkness.8)Orhavewebeensoaccustomedtothebrightelectriclightsthatwefailtounderstandthethreateningimplicationoftheseclouds.9)Toputforwordthequestioninadifferentway10)andgreatlyaffectthelivingplacesandactivitiesofhumansocietiesll)Weseemunawarethattheearth'snaturalsystemsaredelicate.12)Andthiscontinuingrevolutionhasalsosuddenlydevelopedataspeedthatdoubledandtripledtheoriginalspeed.Ⅲ.Seethetranslationofthetext.IV.1)transportation,imitation,destruction2)encirclement,enrichment,enlightenment3)postage,coinage,advantage4)sharpness,boldness,smoothness5)admission,concession,depression6)productivity,sensitivity,desirability7)posture,departure,indenture8)independence,prudence,impudence9)flagrancy,consistency,potency10)analysis,metabasis,metamorphosisll)dictatorship,ownership,partnership12)depth,length,birthV.1)technology技术2)ecology生态学3)hydrology水文学4)phrenology颅像学5)neurology神经病学6)pathology病理学7)physiology生理学8)pharmacology药理学39)gynaecology妇科学10)oceanology海洋学11)lexicology词汇学12)archaeology考古学13)anthropology人类学14)criminology犯罪学Ⅵ．1)anarchist无政府主义者2)naturalist自然主义者3)biologist生物学家4)psychologist心理学家5)satirist讽刺作家6)encyclopaedist百科全书编纂者7)geologist地质学家8)sociologist社会学家9)zoologist动物学家10)impressionist印象派艺术家11)environmentalist环境保护论者12)terrorist恐怖主义分子Ⅶ．1)submarine潜水艇2)submerge淹没，潜入水中3)subantartic亚南极的4)subsolar在太阳正下面的，赤道的5)subhead小标题6)subaquatic半水栖的7)subdivide把……再分8)suboxide低氧化物9)subclass亚纲10)subclimax亚顶极群落11)subcommittee小组委员会12)subconscious下意识的13)subcontinent次大陆14)subcontract转包合同415)subculture亚文化群16)subspecies亚种17)subsoil底土18)sublethal(毒药量等)尚不致命的Ⅷ.inlandsea,desert,coresample,glacier,atmosphere,carbondioxide,polaricecap,globalwarming,Amazonrainforest,speciesofbirds,ecologicalbalance,noctilucentcloud,methanegas,naturalgas,landfills,coalmines,ricepaddies,termites,biomass,upperatmosphere,elephants,greenhousegases,watervapor,growingmountainsofwaste,acidrain,chlorine,humanactivities,heat-absorbingmolecules,globalclimateequilibrium,winds,rainfall,surfacetemperatures,oceancurrents,sealevel,vegetativeandanimallife,etc.IX.1)basicexamples2)unalterable3)meeting4)characterizedstrikeagainsteachother5)setup6)see,attack7)atthesametime8)balance9)increasing,existence10)task11)out-of-dateX.1)consequences2)results3)results4)outcome5)results,6)outcome7)causes8)causes9)reason10)reason11)relations512)relationship13)relations14)relationship15)complex16)complex17)complicated18)complex19)simple20)simplisticXI.1)with2)of3)on4)of5)in6)in7)against8)than9)of10)as11)as12)with