Unit 3 Environmental Protection Reading and Thinking 逐句講解選擇性必修第三冊

XB3U3EnvironmentalProtection

Readingandthinking

ClimateChangeRequirestheWorld’sAttention

ClimateChangeRequirestheWorld’sAttentionPara.1Wehaveknownaboutclimatechangefordecades.現(xiàn)在完成時的標志

氣候變化ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph圖表).毫無疑問系表結構getwarmerAwarmingoceanandatmosphere(大氣)alongwithmeltingiceandrisingsealevelsprovideevidenceofadramatic(引人注目的)changeintheglobalclimate.謂語動詞是哪個？Healongwithhisfriendsisfondofmusic.Para.2-1In2013,alotofpeoplewereshockedbyanewsphotoofadeadpolarbearthatwasfoundonNorway’sArctic(北極的)islandofSvalbard.被...震驚that引導定語從句Accordingtothescientistswhofounditsdeadbody,allthatremained(剩余)ofthepolarbearwas“skinandbones”.句子主干部分who引導定從Anexpertwhohasstudiedpolarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.sbsaidthatwho引導定語從句Para.2-2Expertsclaimed(斷言)thatlowsea-icelevelscausedbyclimatechangemeant(意味著)thebearcouldnothuntseals(海豹)asbefore,soithadtotravelgreaterdistancesinordertofindfood.主干部分sbclaimedthatlevelsmeant(that)causedbysth過去分詞做后置定語Thisalarming(令人警覺的)caseshowedhowtheincreaseintemperaturehadanimpactonEarth‘secology(生態(tài)).主干部分sthshowedhow......對.....有影響Para.3-1Thenwhatiscausingtheincreaseintheglobalaverage(平均的)surface(表面)temperature?全球平均表面溫度Climatescientistsoftenmention(提到)akeyclimateprocess(過程)calledthe“greenhouseeffect(溫室效應)”,whichhastwocommonmeanings:the“natural”greenhouseeffectandthe“man-made”greenhouseeffect.sbmentionsth過去分詞做后置定語溫室效應Para.3-2The“natural”greenhouseeffectrefersto(指的是)thefactthatheatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation(短波輻射).溫室效應refertothefactthatTheheatisreleased(釋放)backintospaceatlongerwavelengths.以....更長的波長atahighspeedatahighpriceGreenhousegasesintheatmosphere,suchasmethane(甲烷)andcarbondioxide(二氧化碳),trap(困住)someoftheheat,keepingEarth’sclimatewarmandhabitable(可居住的).主干部分是哪些單詞？gasestrapsomeoftheheatkeeping動詞現(xiàn)在分詞表示結果Withoutthisprocess,Earthcouldnotsustain(維持)life.Para.3-3However,the“man-made”greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossilfuels(化石燃料),moreheatenergyistrapped(被困住)intheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.主從句的標點符號：從句，主句。從句部分：sbproducesthbydoingsth主句部分：energyistrapped.....andcausescausesbtodosthPara.4-1Thereisstrongandcomprehensive(全面的)evidencethattheriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalsocostinghumanlives.句型“證據(jù)表明”導致不但而且doing現(xiàn)在分詞表示結果Para.4-2Climatescientistshavewarnedthatifwedonottakeappropriateactions,thiswarmingtrend(趨勢)willprobablycontinueandtherewillbeahigherpricetopay.sbwarnthatIf從句，主句takeactionsInfact,newsreportsarefrequently(頻繁地)broadcast(播放)aboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.causing做什么成分？Para.5-1Continuedgreenhousegasemissionswillresultinfurther(進一步的)warmingandlong-lastingchangestotheglobalclimate.Thisrequires(要求)theattentionofpeopleallovertheworld.導致分詞做定語Continuedgreenhousegasemissions，long-lastingchangesGovernmentsneedtoconsidermakingpolicies(政策),andtakingappropriateactionsandmeasurestoreducegreenhousegasemissions.需要做某事考慮做某事采取行動采取措施Para.5-2Weasindividuals(個人)canalsoreduceour“carbonfootprint”byrestricting(限制)theamountofcarbondioxideourlifestylesproduce.Hegoestoschoolbybus.theamountofItisourresponsibilitytoseize(抓住)everyopportunitytoeducateeveryoneaboutglobalwarming,alongwithitscausesandimpacts,becausethisisthemostseriousissue(議題)affectingallofusonthisplanet.Sowhatwillyoudotohelp?做某事的責任

做某事的機會全球變暖知識點復習climatechange氣候變化thereislittledoubtthat毫無疑問getwarmer變暖risingsealevels不斷上升的海平面adramaticchange劇烈變化給某人提供某物providesbwithsthpolarbear北極熊accordingto根據(jù)travelgreatdistance行走長距離為了做某事inordertodosthhaveimpacton對....有影響climatescientist氣候科學家greenhouseeffect溫室效應refertothefactthat指的是carbondioxide二氧化碳hugeamountsofgases大量的氣體burnfossilfuels燃燒化石燃料surfacetemperature表面溫度leadto導致extremeweather極端天氣naturaldisaster自然災害采取行動takeactiontodosth采取措施takemeasurestodosthextremerainstorms極端暴雨causeeconomicloss