Unit 6 Vocabulary and Listening 課件-2022-2023學年高中英語外研版（2019）必修第二冊

LearningobjectivesLanguageabilityTolearnsomerelevantwordsandphrasesaboutglobalwarmingandenvironmentalproblemsLearningabilityToexpressideasaboutenvironmentalissuesandtheirsolutionsinarightwayThinkingqualityToimprovetheawarenessofprotectingtheenvironmentandlivingagreenlife.CulturalawarenessToarousetheSstoprotecttheearthandmakecontributionstodealwithglobalwarming.Unit6Earthfirst

Startingout

Leadin&VocabularybuildingIWhatproblemsarementioned?WatchavideoWhatproblemsarementionedinthevideo?Deforestation,lossofbiodiversity(extinction),nocleandrinkingwater,thinnericecaps.Whatotherenvironmentalproblemsarewefacingnowadays?noisepollutionsoilpollutionwhitepollutionWhatotherenvironmentalproblemsarewefacingnowadays?smogextremeheat

(climatechange)oceanpollutionlightpollutionGlobalwarmingVocabularybuilding:DealingwithglobalwarmingSharewhatyouknowabouttheseexpressions.Acarbonfootprintistheamountofgreenhousegases—primarilycarbondioxide—releasedintotheairbyaparticularhumanactivity.Forexample,whenyoudriveacar,theengineburnsfuelwhichcreatesacertainamountofgreenhousegases.Whenyouheatyourhousewithcoalorelectricity,youalsogenerategreenhousegases.Eventheproductionoffoodandgoodsemitssomequantitiesofgreenhousegases.Togethertheseemissionsmakeupacarbonfootprint.Vocabularybuilding:DealingwithglobalwarmingVocabularybuilding:DealingwithglobalwarmingCompletethebrochurewiththeexpressionsrelatedtoglobalwarming.

SixthingsyoucandoNOWtohelpstopglobalwarmingReducewastebychoosingreusableproducts-geta(n)1_____________________,

forexample.reusablewaterbottleVocabularybuilding:DealingwithglobalwarmingCompletethebrochurewiththeexpressionsrelatedtoglobalwarming.

Trytoreduceyour2___________________.Walkorrideabikeinsteadoftakingacar.Use3

_______________suchassolarenergyandwindpower.Thelessenergyyouuse,thelesscarbondioxideisreleased.Replacingaregularlightbulbwitha(n)4_______________isagreatstart.carbon

footprintrenewableenergyLEDbulbVocabularybuilding:DealingwithglobalwarmingCompletethebrochurewiththeexpressionsrelatedtoglobalwarming.

5__________________isimportantbecausecleanwaterisalimitedresource.Also,weusealotofenergytoprocesscleanwater.Plantingtreescanhelpalotinreducingthe6________________becausetreesabsorbthecarbon

dioxideintheair.Waterconservationgreenhouseeffect

Vocabularybuilding:DealingwithglobalwarmingDiscusswhatwecandotohelpdealwithglobalwarming,usingthewordsandexpressionsyouhavelearnt.Example:A:Iwill...to....B:Iwill...when.......Listening&speakingIISmogcomesfromthewords“smoke”and“fog”,anditisusedtodescribetheairpollutionincitiescausedmainlybytrafficandfactories.Smogcanbedangerousbecauseit

causesseverebreathingproblemsandinfections.Listening&speaking:Beforelistening

Doyouknowwheretheword“smog”camefrom?

1.Whattheword“smog”means.2.Whentheword“smog”appeared.3.Whatcausedsmoginthepast.4.Whatcausessmognow.5.Theeffectsofsmogontheenvironment.6.Howgovernmentstrytoreducesmog.7.Whatwillhappenifwedon’treducesmog.Listening&speaking:While-listeningListentothelectureaboutsmogandchoosethetopicsthatarecovered.

√√√√√Listening&speaking:While-listeningSmoginthepast?Termcreatedin:1._______?BigprobleminLondon:2._______________inDecember1952?Causesoftheproblem:burningtoomuchcoaland3.__________ListenagainandcompletetheslidesonP89.TheGreatSmog1900snowindListening&speaking:While-listeningSmoginthepresent?Causesoftheproblem:4.________________________andfactories?Measures:rulesaboutusing5.________infactories

and6.___________________________inthecitycentrechemicals

chemicalscomingfromtrafficrequirementsofpayingtodriveListenagainandcompletetheslides.More

about

ClimateChangeWhatshouldwedotohelptheearth?measuresindividuals?government?It’shightimewe(did)...It’surgenttodo...It’srequestedthatsb.shoulddo...measuresIt’shightimeweledagreenlife.Forexample,wecanchoosecarpooling,ridingabikeortakingpublictransportation.It’surgentforusto

setanexampleforthosearoundus.Inthisway,moreandmorepeoplewilldotheirpartinenvironmentalpretection.individualsmeasuresgovernmentIt’srequestedthatgovernmentshould