Unit 4 Global Warming.ppt
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Unit 4 Global Warming.ppt

Unit4GlobalWarming.ppt

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Unit4GlobalWarmingListsomethingsthatuseenergyaroundus:RenewableEnergyRenewableornon-renewable?Renewableornon-renewable?windmillssolarpanelsReading:TheEarthIsBecomingWarmer—ButDoesItMatter?Guessthemeaningsofthewordsinblue:1.Ifyoucomparethetwocars,you’llfindthatyoursarebetterdesigned.2.Theeventcameaboutashehadpredictedit.3.Someexpertssaythatglobalwarmingiscausedbyhumanactivitieswhileothersbelievethatitisjustanaturalphenomenon.4.Asdarknessdrewnear,youcanseehugequantitiesofbatsflyingoutofthecaveinsearchofinsectsforfood.5.Wecan’ttellyouanythingyetsinceweourselvesaretryingtofigureouttheresultsbylookingatallthedata.6.Theaccidentresultedinthedeathoffourpassengers.7.Climateisnotreallythesameasweather.Climatemeansthegeneralweatherconditionofaspecificarea.8.Acatastrophemeansabigdisasterthatmaycauseseriousconsequences/results.9.Throughhisgreatefforts,Daveslowlybuilduphisfameandwealthasabusinessman.Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.Howdoesagreenhousework?Theairinsideiswarmbecausetheglass_____the____fromthesunandkeepsitfrom________.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthe__________.greenhouseeffect学生双语报14期B3版:Thistextcanbedividedintothreeparts.Pleasematchthenumberswiththeanswersgivenontheright.Part1:D.Puttingforwardaquestion:whathascausedglobalwarming?Part2:A.Theinfluenceofglobalwarming.Part3:C.Whatcanwedoaboutglobalwarming?Glancequicklyatthemagazinearticleandanswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.3.Whatarethetwographsabout?GraphIshowsthetemperatureincreasebetween1860to2000.Graph2isaboutthecarbondioxidecontentintheatmosphere,from1957to1997.ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyListentothefollowingstatementsandjudgewhethertheyaretrueorfalse.1.Thetemperaturel