2023學(xué)年完整公開課版公開課課件

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句子結(jié)構(gòu)分析：Withoutthesenaturallyoccurringgases，（）短語作（）thesun’srays

（）wouldbouncebackintospace

()部分leavingtheEarthcoldandimpossibletoliveon.()短語作()狀語介詞狀語主語謂語現(xiàn)在分詞結(jié)果2．Giventhisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.在句中g(shù)iven

為______，意為“考慮到，鑒于”，它還有“假定，如果”之意；另外given還可用作_______，后跟that從句。介詞連詞①Givenherage,she'sremarkablyactive.考慮到她的年齡，她已是相當(dāng)活躍。②Giventhatthehouseisnotinperfectcondition,it'sstillagreatbargain!盡管考慮到房子狀況不很好，但它仍舊是個(gè)大便宜貨。Voiceyouropinion,please!What