!!!!!无生命主语句

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1、InanimateSubjectSentence无生命主语句（动作的执行者是无生命的）A.以时间、地点、事物等名词作主语Thiscenturyhaswitnesseddramaticchangesintwokeyfactorsthatdefinethephysicalrealityofourrelationshiptotheearth…vastareasweresometimesintentionallyburnedbypeopleintheirsearchforfood.Theproblemisnotoureffectontheenvironmen

2、tsomuchasourrelationshipwiththeenvironment.Theconsequencesofall-outwarbetweennationsarmedwithnuclearweaponssuddenlyincludedthepossibilityofthedestructionofbothnations–completelyandsimultaneously.Bymidwaythroughthiscentury,attheendofWWⅡ,thenumberhadrisentojustabove2billionpeople

3、.…thewordpopulationwillincreasefrom2tomorethan9billion,anditisalreadymorethanhalfwaythere....theskyitselfoffersanotherghostlyimagethatsignalsthelossofecologicalbalancenowinprogress.Iftheskyisclearaftersunset...This“noctilucentcloud”occasionallyappearswhentheearthisfirstcloakedi

4、ntheeveningdarkness;...thiscloudsseemquiteunnatural......noctilucentcloudhavebeganto......methaneisreleasedfrom...Eventhoughnoctilucentcloudweresometimesseeninthepast,allthisextramethanecarriesmorewatervaporintotheupperatmosphere...thatsun’sraysstillstrikelongaftersunsethasbrou

5、ght......becausemethanehasbeenoneofthefastestgrowinggreengases,andisthirdto......whetheritisthenewfrequencyofdayswhentemperatureexceeds100degree,thenewspeedwithwhichthesunburnsourskin,orthenewconstancyofpublicdebateoverwhattodowithgrowingmountainsofwaste.Whydosomeimagesstartleu

6、sintoeffectively?Andwhydootherimages,throughsometimesequallydramatic,produceinsteadakindofparalysis...Ausefulsystemcomesfromthemilitary,whichfrequentlyplacesaconflictinoneofthreedifferentcategories...Thisthirdcategoryisreservedforstrugglesthatcanthreatenanation’ssurvivalandmust

7、beunderstoodinglobalcontext.Environmentalthreatscanbeconsideredinthesameway....mostinstancesofwaterpollution,airpollution,andillegalwastedumpingareessentiallylocalinnature.Problemslikeacidrain,thecontaminationofundergroundaquifers,andlargeoilspillsarefundamentallyregional....th

8、atthepatternappearstobeglobal,buttheproblemthemselvesa