2023学年完整公开课版公开课课件

Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise,

butTheymaydisappearoneday….WHY？GLOBALWARMINGOneofthebiggestproblemsinthe21stcentury_________ofglobalwarming________ofglobalwarming_______ofglobalwarming_________toglobalwarmingCausesResultsSolutionsPara2

Para3Para4Para5DefinitionDefinitionCauses

Results

Solutions

Para1?Themainpurposeofthefirstparagraphis__________.tointroducethetopicofglobalwarmingtothereadersB.toremindthereadersofhumanactivitiesinthepastC.tointroducemanygreattroublesinthefutureD.tomentiontheprocessofglobalwarminginhistoryWhathashappenedinthelast50years?Para1vehiclespumpedintoGases_________theearth’satmospherebythe________and_________hasbeen__________Theprocessof___________.vehiclesspeedingupfactoriesfactoriesglobalwarmingPara2Whatisglobalwarming?WhatcontrolsthetemperatureoftheEarth?carbondioxide(greenhousegases)______heattrap_______________greenhouseeffectWhoistoblamefortheglobalwarming?

Para3YOUMEHESHEOh,mygod!Whereismyhome???Globalwarmingcanmostlybe_________

humanactivities.Alltheseare________activities.humanpinnedonWhichofthefollowingisright?_________A.Globaltemperaturehasincreasedby1Finthepast250years.B.Nearly16tofCO2pumpsintotheatmosphereeveryyearforeveryone.C.Thecuttingdownoftreesisrelevanttoglobalwarming.D.TheamountofCO2hasrisenbyover50%inthelast250years.Para3√Para4

Whatwillhappenwith

globalwarming?droughtfloodingheatwavespoorfishing

Evenmoreterrible!Look!

Withthepolaricem_____,sealevelsr___,f________theplaceswhereweusedtolive.Para4melting

riseflooding

Ifthishappened,wherecouldwego?

MydearfriendsCanwetaketheheat?Howtoslowdownorevenstopglobalwarming?

Para5

Whatcanweinferinthelastparagraph?GlobalwarmingwillslowdowniflessCO2pumpsintotheatmosphere.ChinesepeopleshouldergreaterresponsibilitiestoreduceCO2.It’sbettertousecandlesinsteadoflightbulbs.SomedevelopedcountriesareunwillingtospendmoneysavingtheEarth.Fillintheblanksaboutthetext.Globalwarmingmeansanaverage________intheEarth’stemperaturewhichcausesclimatechange________.Scientiststhinkitishumanbeings______causeglobalwarming,especiallygasesfrom________andvehicleswhich__________globalwarming.factoriesincreaseinturnthatspeedupTheyalsothinkglobalwarmingisoneofthebiggestenvironmental___________inthe21stcentury.TheEarth’stemperatureis_________bygreenhousegases______carbondioxidewhich_____heatfromthesunintheEarth’satmosphere.Manyexpertsbelieveglobalwarmingismainlycausedtrapproblemscontrolledlikebyhuman________.Overthelast100years,theglobalaveragetemperaturehasincreasedby1°Fandifhumanbeings________to_______greenhousegasesintotheEarth’satmosphere,theglobalwarmingwillcauseterribleclimate________likemorefrequentfloods,heatwaves

anddroughts.

activitiescontinuepumpchangesSogovernmentsallovertheworldshould_______therelease

ofgreenhousegases.

Weindividualsshouldpay________towhatwearedoing,evensmall_______like______publictransport,recycling,usinglow-flowshowerheadsandsoon.

Onlyinthiswaycanwe______theearthandourfuture.attentionreducetakingchangessave句子结构分析：Withoutthesenaturallyoccurringgases，（）短语作（）thesun’srays

（）wouldbouncebackintospace

()部分leavingtheEarthcoldandimpossibletoliveon.()短语作()状语介词状语主语谓语现在分词结果2．Giventhisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.在句中given

为______，意为“考虑到，鉴于”，它还有“假定，如果”之意；另外given还可用作_______，后跟that从句。介词连词①Givenherage,she'sremarkablyactive.考虑到她的年龄，她已是相当活跃。②Giventhatthehouseisnotinperfectcondition,it'sstillagreatbargain!尽管考虑到房子状况不很好，但它仍旧是个大便宜货。Voiceyouropinion,please!What