新视野大学英语第三版第四册第七单元SectionA课件ppt

FOREIGHLANGUAGETEACHINGANDRESEARCHPRESSAIRFORCEENGINEERINGUNIVERTISY4ThecomingenergycrisesUnit7SectionA47UNITEnergyandFoodCrisesWecancreateamoresustainable,cleanerandsaferworldbymakingwiserenergychoices.—RobertAlanSilverstein(Americanauthor,artist,socialactivist)WhenwritteninChinese,theword“crisis”iscomposedoftwocharacters.Onerepresentsdangerandtheotherrepresentsopportunity.—JohnF.Kennedy(35thUSpresident)SectionA47UNITThecomingenergycrisisEnergyandFoodCrisesTotalkaboutenergycrisisTofurtherunderstandthetextToapplythephrasesandpatternsTomastertheessaywritingskillObjectivesContentsWarming-upActivitiesTextStudyLanguageApplicationSummaryThecomingenergycrisesASectionWarming-upActivitiesLead-inPre-readingActivitiesCulturalBackgroundASectionThecomingenergycrises1.Whatformofenergydothesefacilitiesbelongto?Renewableenergyisclassifiedasenergythatcomesfromresourceslikesunlight(knownassolar),wind,geothermalheatandrainthatareconstantlyreplenished.Renewableenergycanserveasareplacementtoelectricity,motorfuels,ruralenergyandheating.2.Whataretheadvantagesofrenewableenergy?•sustainable,willneverrunout•minimalimpactontheenvironment•economicbenefits•stabilizeenergyprices•…1.Howenergy-consciousareyou?Withconstantwarningsaboutclimatechangeandthedepletionofnaturalresources,manypeoplebecomeawarethattheyneedtoliveagreenlifestyle.Whataboutyou?Haveyouadoptedaneco-friendlylifestyle,orareyoujustpayinglipservicetotheidea?Completethefollowingquestionnaireandfindouthowenergy-consciousyouare.AlwaysSometimesNever1.Doyouswitchoffthelightwhenyou’rethelasttoleavearoom?2.Doyouclosethedoortokeepheatinsidethehouseinwinter?3.Doyouturnofftheair-conditionerandopenthewindowstolettheaircooldownyourhousewhenthere’swindoutside?4.Doyouusepublictransportationorcar-poolwhengoingtoschoolorworkwheneverpossible?AlwaysSometimesNever5.DoyouswitchofftheTV,computerorstereoratherthanleavethemonwhenyouarenotusingthem?6.Doyoucheckwhetherithasagoodenergy-savingratingwhenbuyinganewapplianceorelectricalequipment?7.Doyouwaituntilyouhaveafullloadtodoyourlaundryratherthanusethewashingmachineforjustafewitems?AlwaysSometimesNever8.Doyouuseorencourageyourparentstousethewashingmachineonacoolwashwheneverpossible?9.Doyouuseorencourageyourparentstouseenergyefficientbulbsinsteadofthetraditionalones?10.Doyouwalkorencourageyourparentstowalkratherthandrivewhengoingshoppingnearbyyourhome?Nowaddupyourscore:•2pointsforeach“Always”answer;•1pointforeach“Sometimes”answer;•0pointforeach“Never”answer.Whatisyourtotalscore?Listentotheteachertoseehowenergy-consciousyouare.Interpretationofyourenergyconsciousnessscores:•Lessthan6pointsYoumayhaveheardaboutenergyconservation,butyouarenotgivingitthepriorityitdeserves.Youmustdobetter.•Between6-10pointsYouarealreadydoingafewbasicthings,butthereissomuchmorethatyoucoulddotoshowabetterawarenessforenergyconservation.Interpretationofyourenergyconsciousnessscores:•Between11-16pointsYoudisplayagoodawarenessofenergysaving,butthere’sstillroomforimprovement.•Between17-20pointsYoucanrightlycallyourselfan“EnergySavingChampion”—welldoneandkeepupthegoodwork!1Isitimportanttoconserveenergy?Whydoyouthinkso?2Besidestheideaslistedintheabovequestionnaire,whatelsedoyouthinkwecandotohelpconserveenergy?2.Workinpairsanddiscussthefollowingquestions.DiscussionQuestionsTipsTips1Isitimportanttoconserveenergy?Whydoyouthinkso?Yes,it’sdefinitelyimportanttoconserveenergy.Thereareseveralreasons.First,itreducesourconsumptionoffossilfuelswhichhaveafixedquantityofavailabilityandarerapidlydiminishing.Second,itsavesusmoneybecausewedon’thavetobuildmorepowerplants.Third,itreducescarbonemission,whichwillcontributegreatlytotheimprovementofourairqualityandnaturalenvironment.DiscussionQuestions2Besidestheideaslistedintheabovequestionnaire,whatelsedoyouthinkwecandotohelpconserveenergy?Therearemanyotherthingswecandotosaveenergy,suchas:•Nottooverheatorovercoolourrooms.•Reducetheamountofwasteweproducebybuyingminimallypackagedgoods.•Choosereusableproductsoverdisposableones,andrecycle.DiscussionQuestions•Plancarefullyandclusterourerrandsandshoppingtominimizethemileswedrive.•Uselesshotwaterbyinstallinglow-flowshowerheads.•Installasolarwaterheaterforourhome.•Driveapureelectriccar(withaback-upgeneratorforout-of-rangedriving).•Walkorrideabicyclewheneverwecan.DiscussionQuestions2Besidestheideaslistedintheabovequestionnaire,whatelsedoyouthinkwecandotohelpconserveenergy?EnergysecurityremainsakeycomponentinrealizingthevisionofaEuropewhole,freeandatpeace,saidVicePresidentJoeBideninhisrecentaddresstotheAtlanticCouncilEnergyandEconomic________.Whilethereareseriousenergychallengesformanycountries,itisalsoauniquemomentforEuropetochangetheir_____________.Asamatterofeconomicandnationalsecurity,ListentoashortpassageconcerningEnergySecurityandfillinthemissinginformation.summitcircumstancesListentoashortpassageconcerningmoneymarketsandfillinthemissinginformation.saidVicePresidentBiden,“weneedgovernmentsandtheEuropeanCommissiontoworkhand-in-handwiththeprivatesectortoensure________insourcesoffuelfromhydrocarbonstorenewa