人教版英语选修六Unit-4-Global-WarmingWarming-up-and-readi课件

Book6unit4

Globalwarming

WarmingupandreadingBook6unit4GlobalwarmingLookatthefollowingpicturesandfinishthetwoquestions:1.whatdisastersarethey?2.canyouguesswhatcausethesedisasters?WarmingupLookatthefollowingpictur

Whatdisastersarethey?FloodDroughtfaminestormWhatdisastersarethey?FlCanyouguesswhatcausethesedisasters?Whatarethereasonsofglobalwarming?Canyouguesswhatcausethesesmokefromcarssmokefromcars

smokefromfactoriessmokefromfactories

cutdowntreescutdowntreesPlastic

bagsPlasticbagsUnit4GlobalwarmingTheearthisbecomingwarmer-Butdoesitmatter?Unit4GlobalwarmingTheearth1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?2.Whatarethenamesofthethreescientistsmentionedinthearticle?→SophieArmstrong,EarthCare.→DrJaniceFoster,CharlesKeeling,GeorgeHambley.Fast-reading1.WhowrotethemagazinearticCareful-readingI.skimthetextandsumupthemainideaofeachparagraph.Para.1Para.2Para.3Para.4Para.5Para.6Para.7A.thecauseoftheearth’sbecomingwarmerB.theconsequenceofburningfossilfuelsC.theincreaseofcarbondioxideD.globalwarmingwillgoonE.puzzlesaboutglobalwarmingF.differentattitudestoglobalwarmingG.anintroductiontothepassageCareful-readingI.skimthetexReadthearticleindetailandfinishthefollowingtask.ReadthearticleindetailanThedifferentideasbetweenDr.JaniceFoster&GeorgeHambley

Dr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto_______.Anincreaseoffivedegreeswouldbea__________andcouldbe___________.Morecarbondioxideisa________thing,whichmakescrops____________andwillencourage____________________________.goupcatastropheveryseriouspositiveproducemore

agreaterrangeofanimalsThedifferentideasbetweenDrStepVSummary

Theearthisbecomingwarmingandallscientists_____________theviewthattheincreaseintheearth’stemperatureisduetotheburningoffossil_______.Allscientists_______thedateandagreetheburningormoreandmorefossilfuelsthathas_____________thisincrease.However,theattitudeofscientiststowardsthisriseiscompletely__________.Ontheonehand,Dr.Fosterthinksthatthe__________whichincreasesthetemperatureby5degreeswouldbea_____________.Ontheotherhand,GeorgeHambley,whoare_________________thisview,believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.Theypredictthatanywarmingwillbe________withfewbadenvironmental_____________.Butnoonereallyknowsthe_______ofglobalwarming.

subscribetofuelsacceptresultedindifferenttrendcatastropheopposedtomildconsequenceseffectsStepVSummarysubscribetofuelIngroups,discusswhatwecandoaboutglobalwarming?DiscussionIngroups,discusswhatwecaUsefulstructures1.hadbetter(not)do…2.howabout/whataboutdoing…3.Ithinkyoushoulddo…4.Isuggest/advicethatyoushoulddo...5.Whynot/whydon’tyoudo…?6.Itisagoodidealthat…

Usefulstructures

Somesuggestions*Turnthelights,theTV,thecomputeroffifyouarenotusingthem.*Walkorrideabikeifyoucan.*Recyclecans,bottles,plasticbagsandnewspapersifcircumstancesallowyouto.*Buythingsthatareeconomicalwithenergy.*Planttreesinyourgardenoryourschoolyard.Somesuggesti

Homework

1.Readthepassageagainandreviewthenewwordsandexpressions.2.Writeacompositionabouthowtoprotectourenvironment?

HomeworkTitle:TheCrisisofGlobalWarmingBackground:全球变暖Cause:温室气体排放,其中大约70%为二氧化碳consequence:海平面上升自然灾害频繁measures:1.节约家用电器2.少用机动车辆3.植树造林词数：120个WritingTitle:TheCrisisofGlobalWaWritingWriteapassageaboutwhatwecandoaboutglobalwarming.Para1:ProblemsPara2:Whatcausestheproblems?Para3:Whatwecando?Para4:Aslogan/asuggestion/ahopeWritingWriteapassageaboutwGlobalwarminghasbecomeoneofthebiggestenvironmentalconcernsforpeopleallovertheworld.Withtheboomingofeconomy,theemissionofthegreenhousegas,consistingofabout70%carbondioxide,hasbeensteadilyincreased,contributinggreatlytotheglobalwarming.Theincreaseinthetemperatureofearthhascausedmanyharmfuleffects.Itmeltstheicecaps,raisingsealevels.Itdisturbsweatherpatterns,causingfrequentnaturaldisasterssuchasfloods,droughts,severestorms,hurricanesandsoon.ASampleGlobalwarminghasbecomeoneActually,it’seasyforeveryonetodosomethingtosaveenergyandreducetheemissionofgreenhousegas.Forexample,turnoffanelectricalapplianceifitisnotused.Walking,cycling,carpoolingorusingpublictransportationinsteadofusingmotorvehiclesareal