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1、新课标人教版课件系列《高中英语》选修(模块）6-4.5ReadingWhatisthegreenhousemadeandusedfor?Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.Howdoesitwork?Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandso
2、theplantscangrowthroughoutthecoldperiod.Whatarethe“greenhousegases”?Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼气)andwatervapor.Whatdoyouthinkgreenhousegasesdo?Theytrapheatfromthesunandthereforewarmth
3、eearth.MainideasofeachpartWritingtechniques(Paragraph1)Introduceadebateovertheissueofglobalwarming.RaisingaquestionMainideasofeachpartWritingtechniques(Paragraphs2---4)Illustratehowglobalwarmingcomesabout.Givingexamples,usinggraphs,explanation.(Paragraphs5---10)Listtwodi
4、fferentattitudesamongscientiststowardsglobalwarming.Givingexamples,makingcontrast.(Paragraph11)It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Usingaquestion,leavingreaderstothinkovertheissue.Comprehending浓度单位Glancequicklyatthemagazin
5、earticleandanswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.3.Wha
6、tdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.CharlesKeelingbelievesitistheburningofmorea
7、ndmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.Whatarethetwographsabout?GraphIshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2isaboutthecarbondioxidecontentintheatmosphere,1958--1990.Whatisthemaintopicofthearticle?Globalwarming/thew
8、armingoftheearth.2.True:3,5,6,7,8False:1,2,4,9,10Correctsentences:1.Thetemperaturelastcenturyincreasedm
