Unit3EnvironmentalProtectionReadingandThinking课件-高中英语人教版选择性.pptx

EnvironmentalProtectionReadingandThinkingUnit3

LetswatchashortvideoLeadin

LetswatchashortvideoLeadin

droughtfloodglobalwarminganimalsdyingfireGlaciersmelting

Activity1：PredictionPredictthemainideafromthetitleandpictures(2mins)CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONTitle:

Fastreading.1.Whatdoesthepassagemainlytellus?A.Somepolarbearsdiedofstarvation.B.Whatthegreenhouseeffectis.C.Howthepolarbearsfindfood.D.Globalwarminghascausedsomedisastersandwemustpayattentiontoit.WhileReading

Activity2：ScanningScanthepassageandthenanswerquestions(5mins)2.Whyisthenaturalgreenhouseeffectimportantandnecessary？A.Becauseitisshort-waveradiation.B.Becauseitislong-waveradiation.C.Becauseitreleasesmoreheat.D.BecauseithelpsEarthtosustainlite.3.Whatdoestheword“costing”inparagraph4mean？A.cultivatingB.improvingC.losingD.expending

2.Whyisthe“natural”greenhouseeffectimportantandnecessary?A.Becauseitisshort-waveradiation.B.Becauseitislong-waveradiation.C.Becauseitreleasesmoreheat.D.BecauseithelpsEarthtosustainlife.3.Whatdoestheword“costing”inparagraph4mean？A.cultivatingB.improvingC.losingD.expending

Skimming：Matchthemainideaofeachparagraph(5mins)01lobalclimateischangingdramatically.AnalarmingcaseaboutabearstarvedtodeathWhatiscausingtheincreaseintheglobalaveragesurfacetemperatureTheeffectoftheriseintemperatureThesolutionstoreducinggreenhousegasemissions

Globalwarmingextremeweathernaturaldisastersseriousdamage,costinghumanlivesextremerainstorms,heatwavesledtoledtoresultsexamples????Activity3：CarefulreadingReadtheparagraph4(5mins)Whataretheeffectsofglobaltemperaturerise?

Fillintheblanks(5mins)SummaryAsweknow,Earthisgettingwarmerandwarmer,1.resultsinmeltingiceandrisingsealevels.In2013,