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1、2013高考英语二轮考点复习讲义：阅读理解-低碳生活与全球变暖践低碳生活，要注意节电、节气、熄灯一小时……从这些点滴做起。从近近几年的试题中，我们发现这些话题的题目有一些特点：1.多数属于议论题材，作者提出观点，然后进行论证，引起人们的共鸣。2.有很多也属于新闻报道类，体现当今社会、政府对低炭排放政策的关注。3.温室效应带来的地球变暖话题。4.二氧化碳的高排放量对人类环境造成的危害话题。5.低炭生活的表现的方面，和为此进行的一些改进措施、发明等等。6.提倡全社会都来进行低炭生活的倡导文章。·链接高考链接1.（
2、2012四川卷）Plantsarefloweringfasterthanscientistspredicted(预测)inreactiontoclimatechange,whichcouldhavelongdamagingeffectsonfoodchainsandecosystems.Globalwaningishavingagreateffectonhundredsofplantandanimalspeciesaroundtheworld,changingsomelivingpatterns,scient
3、istssay.Increasedcarbondioxide(CO,)intheairfromburningcoalandoilcanhaveaneffectonhowplantsproduceoxygen,whilehighertemperaturesandchangeablerainfallpatternscanchangetheirpatternsofgrowth."Predictingspecies'reactiontoclimatechangeisamajorchallengeinecology,"
4、saidtheresearchersofseveralU.S.universities.Theysaidplantshadbeenthekeyobjectofstudybecausetheirreactiontoclimatechangecouldhaveaneffectonfoodchainsandecosystemservices.Thestudy,publishedontheNaturewebsite,usesthefindingsfromplantlifecyclestudiesandexperime
5、ntsacrossfourcontinentsand1,634species.Itfoundthatsomeexperimentshadunderestimated(低估)thespeedoffloweringby8.5timesandleafingby4times."Acrossallspecies,theexperimentsunder-predictedthespeedoftheadvance—forbothleafingandflowering—thatresultsfromtemperaturein
6、creases,"thestudysaid.Thedesignoffutureexperimentsmayneedtobeimprovedlobelterpredicthowplantswillreacttoclimatechange,itsaid.PlantsarenecessaryforlifeontheEarth.Theyarethebaseofthefoodchain,usingphotosynthesis(光合作用)toproducesugarfromcarbondioxideandwater.Th
7、eyletoutoxygenwhichisneededbynearlyeveryorganismontheplanet.Scientistsbelievetheworld'saveragetemperaturehasrisenbyabout0.8^since1900,andnearly0.2X.everytenyearssince1979.Sofar,effortstocutemissions(排放)ofplanet-warminggreenhousegasesarenotseenasenoughtoprev
8、enttheEarthheatingupbeyond2.Cthiscentury—apointscientistssaywillbringthedangerofachangeableclimateinwhichweatherextremesarecommon,leadingtodrought,floods,cropfailuresandrisingsealevels.57.Whatisthekeyi
