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1、问题1得2分，满分2分GlobalWarmingGlobalwarmingmayormaynotbethegreatenvironmentalcrisisofthe21stcentury,but—regardlessofwhetheritisorisn’t—wewon’tdomuchaboutit.Wewillargueoveritandmayeven,asanation,makesomefairlysolemn-soundingcommitmentstoavoidit.Butthemoredramaticandmeaningfulthe
2、secommitmentsseem,thelesslikelytheyaretobeobserved.A1Gorecallsglobalwarmingan“inconvenienttruth”,asifmerelyrecognizingitcouldputusonapathtoasolution.Buttherealtruthisthatwedon’tknowenoughtorelieveglobalwarming,and—withoutmajortechnologicalbreakthroughs—wecan’tdomuchabouti
3、t.From2003to2050,theworld’spopulationispredictedtogrowfrom6.4billionto9.1billion,a42%increase.Ifenergyuseperpersonandtechnologyremainthesame,totalenergyuseandgreenhousegasemissions(mainly,CO2)willbe42%higherin2050.Butthat’stoolow,becausesocietiesthatgrowricherusemoreenerg
4、y.Weneedeconomicgrowthunlessweleavetheworld’spoortotheirpresentpovertyandfreezeeveryoneelse’slivingstandards.Withmodestgrowth,energyuseandgreenhouseemissionswillmorethandoubleby2050.Nogovernmentwilladoptstrictrestrictionsoneconomicgrowthandpersonalfreedom(limitsonelectric
5、ityusage,drivingandtravel)thatmightcutbackglobalwarming.Still,politicianswanttoshowthey’re“doingsomething”ConsidertheKyotoProtocol.Itallowedcountriesthatjoinedtopunishthosethatdidn’t.Butithasn’treducedCO2emissions(upabout25%since1990),andmanysignatoriesdidn’tadopttougheno
6、ughpoliciestohittheir2008-2012targets.Thepracticalconclusionisthatifglobalwarmingisapotentialdisaster,theonlysolutionisnewtechnology.Onlyanaggressiveresearchanddevelopmentprogrammightfindwaysofbreakingourdependenceonfossilfuelsordealingwithit.Thetroublewiththeglobalwarmin
7、gdebateisthatithasbecomeamoralproblemwhenit’sreallyanengineeringone.Theinconvenienttruthisthatifwedon’tsolvetheengineeringproblem,we’rehelpless.1．Whatissaidaboutglobalwarminginthefirstparagraph?答案所选答案：D．Verylittlewillbedonetobringitundercontrol.问题2得2分，满分2分2．Accordingtothe
8、author’sunderstanding,whatisAlGore’sviewonglobalwarming?答案所选答案：C．Itisaproblemthatcanbesolvedonce
