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【英语】高一英语阅读理解(科普环保)题20套(带答案)含解析--第1页
【英语】高一英语阅读理解(科普环保)题20套(带答案)含解析
一、高中英语阅读理解科普环保类
1.犇犇阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项。
AgainstthesuppositionthatforestfiresinAlaska,CanadaandSiberiawarmtheclimate,
scientistshavediscoveredthatcoolingmayoccurinareaswhereburnttreesallowmoresnowto
mirrormoresunlightintospace.
Thisfindingsuggeststhattakingstepstopreventnorthernforesttolimitthereleaseof
greenhousegasesmaywarmtheclimateinnorthernregions.Usuallylargefiresdestroyedforests
intheseareasoverthepastdecade.Scientistspredictthatwithclimatewarming,firesmayoccur
morefrequentlyovernextseveralcenturiesasaresultofalongerfireseason.Sunlighttakenin
bytheearthtendstocausewarming,whileheatmirroredbackintospacetendstocausecooling.
Thisisthefirststudytoanalyzeallaspectsofhownorthernfiresinfluenceclimate.Earlier
studiesbyotherscientistshavesuggestedthatfireinnorthernregionsspeedupclimatewarming
becausegreenhousegasesfromburningtreesandplantsarereleasedintotheatmosphereand
thustrapheat.
Scientistsfoundthatrightafterthefire,largeamountsofgreenhousegasesenteredthe
atmosphereandcausedwarming.Ozone(臭氧)levelsincreased,andashfromthefirefellonfar-
offseaice,darkeningthesurfaceandcausingmoreradiationfromthesuntobetakenin.The
followingspring,however,thelandwithintheareaofthefirewasbrighterthanbeforethefire,
becausefewertreescoveredtheground.Snowonthegroundmirroredmoresunlightbackinto
space,leadingtocooling.
needtofindoutallpo
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