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somepeoplemayproudlysay:wearethemastersofnature
itistruethattheideaofmancanconquernaturehasdominatedpeoplesmindforyears,anditistrue,manhaskeptactinglikeamasteranddoingwhateverthingshewantsforthousandsofyears
however,astheconsequenceofthiskindofleadership,nowthemasterseemstobeconfrontedwithproblemsthatarefarbeyondhiscontrol
factsarereallyveryample
thegreenhouseeffectleavesislandsandcitiesalongthecoast,suchasthisorientalpearl-shanghai,indangerofthedisasterofbeingdrowned;theholesoftheozonelayermaketheearthlesssuitabletoliveforsomecreaturesincludinghumanbeings;thephenomenaofelninoandlaninaleavethelandwithseriousfloodanddrought,andthediseases,causedbypollution,areincreasingatan第2页共