广东地区高二英语Module6 Unit4 Warming up 人教实验

人教实验版高二Module6Unit4整理pptSpeaking＆Listening广东刘超英整理pptWarmingupListThingsthatuseenergySourcesofenergyRenewable/non-renewable整理ppt

Fossilfuel(化石燃料):Ancientanimalandplantmaterialbelowthesurfaceoftheearthwithahighcarboncontent,suchascoal,oilandnaturalgas,whichcanbeburnttoproduceenergy.Alsoknownasnon-renewableenergybecauseoncetheyareusedtheyhavegoneforever;theycannotberenewed.整理ppt

Fromthefollowingpictures,youwillknowwhereallthisenergycomesfrom.windmillsacoalpowerstation整理pptanoilrefineryanuclearpowerplant整理pptsolarpanelshydro-electricdam整理pptSamplelistsThingsthatuseenergySourcesofenergyRenewable/non-renewablelightheatingcoalnon-renewableoilnon-renewable整理ppttelevisioncassetteplayervideorecorder

computer

naturalgasnon-renewablewind(windpower)renewablesun(solarenergy)renewableuranium(nuclearenergy)non-renewable

整理pptfridgestovewashingmachinehairdryerwater(hydro-electric)renewableplantwaste(biomassenergy)renewablehotspringsorgeysers(geothermalenergy)renewablethesea(tidalenergy)renewable整理pptRenewableornon-renewable?√整理pptRenewableornon-renewable?√整理pptRenewableEnergyRenewableenergysources,suchasthesun,wind,rain,andplantmatter,naturallyandcontinually"renew"themselves.整理pptTheserenewableenergysourcesare:Biomass-organic(plant,animal)materialsGeothermal-theheatoftheearthHydroelectric-energyfromflowingorfallingwater(streams,dams)整理pptOceanenergy-fromwaves,tides,ortemperaturedifferencesintheoceanSolar-fromthesun(twotypesofsystems:solarthermalandphotovoltaic)Wind-fromthewind整理pptWhatistoldinthepicture?整理pptnon-renewableenergysource整理ppt整理ppt

NotestoRenewableenergyRenewableenergyresourcesmaybeuseddirectly,orusedtocreateothermoreconvenientformsofenergy.Examplesofdirectusearesolarovens,geothermal(地温)heating,andwaterandwindmills.整理pptExamplesofindirectusewhichrequireenergyharvestingareelectricitygenerationthroughwindturbines(涡轮)orphotovoltaic(光电的)cells,orproductionoffuelssuchasethanol(酒精)frombiomass(生物量).整理ppt

Renewableenergy(sources)orREScapturetheirenergyfromexistingflowsofenergy,fromon-goingnaturalprocesses,suchassunshine,wind,flowingwater,biologicalprocesses,andgeothermalheatflows.整理ppt

Mostrenewableenergy,otherthangeothermalandtidalpower,ultimately(基本上)comefromtheSun.Someformsarestoredsolarenergysuchasrainfallandwindpowerwhichareconsideredshort-termsolar-energystorage,整理pptwhereastheenergyinbiomass(生物量)isaccumulated(积聚)overaperiodofmonths,asinstraw,orthroughmanyyearsasinwood.整理ppt

Capturingrenewableenergybyplants,animalsandhumansdoesnotpermanentlydeplete(耗尽)theresource.Fossilfuels,whiletheoreticallyrenewableonaverylongtime-scale,areexploitedatratesthatmaydepletetheseresourcesinthenearfuture.整理pptListeningandDiscussingI.ListentothetapeandansweranddecidewhichstatementProfessorChendoesNOTagreewith.1.We'llhavetostopusingfossilfuels.2.About90%oftheworld'senergycomesfromfossilfuels.整理ppt3.Wecanreplacefossilfuelswithrenewablesourcesofenergy.4.Nuclearpowerisagoodsourceofenergy.5.Inthefuture,we'llneednewtechnologiestoreplacefossilfuels.6.It'sthedevelopedcountrieswhoaretoblameforproducingmostofthecarbondioxide.整理pptAsamplediscussionSa:IagreewithLiBin.Itisthedevelopedcountriesthatputmostofthecarbondioxideintotheair,sothedevelopedcountriesarereallytheonestoblameandtopayforthat.整理pptSb:Well,I'mafraidIdisagreewithyou.ProfessorChenisright.Whateverwedo,wehavetodoitasaglobalcommunity.Developedanddevelopingcountriesshouldworktogethertoimprovetheenvironment.整理pptSc:IholdthesameviewpointasLiBin.Indevelopedcountriespeopleareproducingalargeamountofcarbondioxide,whichcontributestoglobalwarming.Isn'tittheirdutytodosomethingtodecreasethespeedofglobalwarming?Sa:Exactly.整理pptSd:Itistruethatthedevelopedcountriesaretheonestoblameandtheyshoulddosomething.Butisitrightfordevelopingcountriestolookonwithoutdoinganything?Rememberwehaveonlyoneearth,whichislikeabigfamily.整理pptAllofusarefamilymembers.Thinkaboutthis:Inafamily,ifonechildmakesamistake,whatshouldhisbrothersorsistersdo---blamehimwithoutdoinganythingorhelphimcorrectthemistake?整理pptSa:Isee.Weshouldtakepartintheactioninsteadoflookingonandcomplaining.Sc:Iagree,too.Thankyou.I'vegotabetterunderstandingaboutthis.整理pptListeningtext(P31)BackgroundnoteTheUSAisthelargestenergyuserintheworldandthelargestproducerofthegreenhousegascarbondioxide.Chinacomessecondinbothofthese.整理pptChinahasbeengoingthroughhugeeconomicdevelopment,andhashadasmuchgrowthinonedecadeastheindustrialworldexperiencedinnearlyacentury.However,ithasbeenatahighcosttotheenvironment.整理ppt

FOSSILFUELSANDOTHERFORMSOFENERGY

LiBin,auniversitystudent,isinterviewingProfessorChenonthelocalstudentradiostationabouttheuseoffossilfuelsandothersourcesofenergy.整理pptLIBIN:ProfessorChen,I'vereadthatwe’llhavetostopusingfossilfuelsifwewanttoreducetheamountofcarbondioxideintheair.CHEN:Yes,that'sright,LiBin.However,thiswillbeverydifficult.整理ppt

Yousee,ourmodernindustrialsocietiesdependontheenergywegetfromfossilfuels.It'saveryconcentratedandcheapformofenergy.Sowe'regoingtokeepusingitandthereforekeepputtingcarbondioxideintotheair.整理pptLIBIN:Isittruethatabout90%oftheworld'senergycomesfromfossilfuels?CHEN:Yes,that'scorrect.Andthereisenoughcoal,gasandoiltolastforcenturies.整理pptLIBIN:Can'twejustreplacefossilfuelswithrenewablesourcesofenergylikesunorwindpower?CHEN:I'mafraidnot.It'snotthatsimple.Renewableenergyisnotconcentratedenough.整理pptAndyouneedhugeareasoflandtoproducelargequantities.It'sjustnotpossible-notwiththetechnologywehaveatpresentanyway.整理pptLIBIN:Whataboutnuclearpower?That'sagoodsourceofenergy.CHEN:Yes,Iagree.It'sconcentratedanddoesn'tproducecarbondioxidebutthereisalimitedamountofuranium---thematerialyouneedtomakenuclearpower.整理pptAndmanypeopledon'tlikeitbecauseofpastaccidents---liketheoneatChernobyl.LIBIN:Sowhatcanwedo?整理pptCHEN:Well,weneedtofindwaysofusingfossilfuelsthatdon'tputcarbondioxideintotheair.Andweneedtoproducemoreproductsthatuselessenergy.Itwouldalsohelpalittleifindividualscutdownontheenergytheyused.整理pptLIBIN:But,sometimeinthefuture,we'llneednewtechnologiesthatwillreplacefossilfuels.CHEN:Exactly.However,whateverwedo,wehavetodoitasaglobalcommunity.Thatmeansdevelopedanddevelopingcountrieswillhavetoworktogether.整理pptLIBIN:Butit'snotthedevelopingcountrieswhoputmostofthecarbondioxideintotheair.Thedevelopedcountriesarereallytheonestoblame.整理pptCHEN:Yes,that'strue.But,westillhavetoworktogetherbecauseglobalwarmingisgoingtoaffecteveryone.Ifourchildrenandourchildren'schildrenaretohaveagoodfuture,wemustALLlookafterthisplanet.整理pptHomework1.Reviewthenewwordsandexpressionsyoulearnedinthisclass.2.PreviewReading.整理ppt整理ppt整理ppt9、静夜四无邻，荒居旧业贫。。2022/12/242022/12/24Saturday,December24,202210、雨中黄叶树，灯下白头人。。2022/12/242022/12/242022/12/2412/24/20228:02:15PM11、以我独沈久，愧君相见频。。2022/12/242022/12/242022/12/24Dec-2224-Dec-2212、故人江海别，几度隔山川。。2022/12/242022/12/242022/12/24Saturday,December24,202213、乍见翻疑梦，相悲各问年。。2022/12/242022/12/242022/12/242022/12/2412/24/202214、他乡生白发，旧国见青山。。24十二月20222022/12/242022/12/242022/12/2415、比不了得就不比，得不到的就不要。。。十二月222022/12/242022/12/242022/12/2412/24/202216、行动出成果，工作出财富。。2022/12/242022/12/2424December202217、做前，能够环视四周；做时，你只能或者最好沿着以脚为起点的射线向前。。2022/12/242022/12/242022/12/242022/12/249、没有失败，只有暂时停止成功！。2022/12/242022/12/24Saturday,December24,202210、很多事情努力了未必有结果，但是不努力却什么改变也没有。。2022/12/242022/12/242022/12/2412/24/20228:02:15PM11、成功就是日复一日那一点点小小努力的积累。。2022/12/242022/12/242022/12/24Dec-2224-Dec-2212、世间成事，不求其绝对圆满，留一份不足，可得无限完美。。2022/12/242022/12/242022/12/24Saturday,December24,202213、不知香积寺，数里入云峰。。2022/12/242022/12/242022/12/242022/12/2412/24/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。24十二月20222022/12/242022/12/242022/12/2415、楚塞三湘接，荆门九派通。。。