高中英语-Global warming教学课件设计

welcometoourclassListeningandspeakingTeachingaimsToimprovelisteningskills.TopracticespokenEnglish.Tohaveabetterunderstandingoflow-carbonlife.Tounderstandhowtoprotectourearth.Everythingismelting!Why?carbondioxideCO2Whichenergysourcescanproducecarbondioxide？fossilfuelscoaloilnaturalgas

化石燃料waterpowernuclearenergysunpowerNewsourceswindpower

Beforelistening,let’sreviewsomeimportantwordsandphrases:1.technology/tek‘nɔlədʒi/技术

2.industrial

society

/in‘dʌstriəl/工业社会

3.beeconomicalwith

/,i:kə‘nɔmikəl/对……节省

4.carbondioxide二氧化碳

5.fossilfuels

化石燃料

ListeningPart1

Listentothetapeanddoexercise1Whataretheenergysourcesmentioned?

A.fossilfuelsB.waterC.windD.sun

E.nuclearF.tide2.Listenagainandthendecidethefollowingstatementsare

T

or

F

1.

Wecan’tstopusingfossilfuelsifwewanttoreducetheamountofcarbondioxideintheair.2.It’sverysafeifweusethenuclearpower.3.Thetechnologywehaveatpresentcanprovideenoughsunenergy.4.Theenergywegetfromfossilfuelsisnotexpensive.FFFTLittletips1.Listentothepassagecarefully.

2.Read

thequestionsandthesestatements

firstandfindgeneralidea.3.Findsomekeywordstohelpyougettherightanswers.4.Ifyoucan’twritethewholewordyoucanwrite2-4letterstohelp.PartIIListentopart2andchoosethebestanswers1.HowmanythingsdidprofessorKeelingmentionaboutLiBin’squestion?A.twoB.threeC.fourD.five2.Wemustfindwaysthatwon’tput___intotheair.A.oxygenB.carbondioxideC.hydrogen3.Whatarereallytheonestoblame?A.DevelopingcountriesB.Developedcountries4.Whomwewanttohaveagoodlife?A.humanB.ourselvesC.futuregenerationListenagainandfillintheblanks

L=LiBinK=ProfessorKeelingL:Whatabout_____________?Theydon’tcutdowntheiruseof____________.K:No,theydon’t.However,thatisa_________wemustworkonasa_____________community.Thatmeans__________anddevelopingcountrieswillhavetoworktogether.L:Butit’snotthe____________countriesthatputmostofthecarbondioxideintotheair.Thedevelopedcountriesarereallytheonesto__________.

factoriesenergyproblemglobaldevelopeddevelopingblameL:ProfessorKeeling,I'vereadthatwemuststopusingfossilfuelsifwewanttoreducetheamountofcarbondioxideintheair.K:Yes,that'sright,LiBin.However,it’sdifficult.ourmodernindustrialsocietiesdependontheenergywegetfromfossilfuels.It'saverycheapandconcentratedformofenergy.L:Isittruethat90%oftheworld'senergycomesfromfossilfuels?K:Yes,that'scorrect.Andthereisenoughtolastforcenturies.L:Couldwereplacefossilfuelswithcleanersourcesofenergylikesunorwindpower?k:I'mafraidnot.Wejustcan’tproduceenough.youneedhugeareasoflandtoproduceenoughwindenergy.Thetechnologywehaveatpresentcannotprovideenoughsunenergy.L:SoWhataboutnuclearpower?Thatdoesn'tproducecarbondioxide.K:True,butit’sverydangerous.RemembertheaccidentatChernobyl.Peoplearestilldyingoftheradiationthatwasproducedbythatdisaster.Part2L:Sowhatcanwedo?K:Well,therearethreethings.Firstwemustfindwaysofusingfossilfuelsthatwon’tputcarbondioxideintotheair.Second,wemustproduceproductsthatareeconomicalwithenergy.Third,wemustaskpeopletocutdownontheenergytheyuse.L:Butthat’sonthepersonallevel.Whataboutfactories?Theydon’tcutdowntheiruseofenergy.K：No,theydon’t.However,thatisaproblemwemustworkonasaglobalcommunity.Thatmeansdevelopedanddevelopingwillhavetoworktogether.L:Butit’snotthedevelopingcountriesthatputmostofthecarbondioxideintotheair.Thedevelopedcountriesarereallytheonestoblame.K:That’strue.Sowemustworktogetherbecauseglobalwarmingwillaffecteveryone.Ifwewantthefuturegenerationstohaveagoodlife,wemustalllookaftertheplanet.Lookatthetwopictures.

Tosaveenergyandreducethecarbondioxideemission(排放),moreandmorepeoplepromotea

low-carbonlife（低碳生活）.Whatmeasuresshouldwetakeagainstglobalwarmingtoprotectourlivingenvironmentinourdailylife

?FreetalkmeasurespickinguprubbishwalkingorridingbikesclosingunnecessarylightsplantingtreesusingcleanerenergyWritedownwhatyoutalkedaboutjustnowusing5-7completesentences.HaveatryExamples:

1.Whenwegotoschoolwecanwalkorridebikes.2.Whenweleavetheclassroomorhouseweshouldturnoffthelight.3.……4.……

Measures:walkingorridingabikeifyoucanrecyclingpaper,cardboardandnewspapertellingyourfriendsaboutglobalwarmingusingenergy-savingproductslikelowenergylightbulbsplantingtreeslessusingcomputer

……Inmyopinion…