高中英语选修八+Unit22+Lesson1+Global+Warming+课件

Unit22EnvironmentalProtectionWarmupandLesson1Inthislesson,we’llbeableto

1.understandsomenewwords.2.understandthetextandgetthekeyinformation.3.talkaboutactivitiestoprotecttheenvironmentwiththeexpressionslearnedinthetextobjectiveswarm-up

Environmentalproblems?airpollutionglobalwarmingendangeredanimalswaterpollutionSoilpollutionsandstormforestration

noisepollutiondesertificationFindoutthecausesofenvironmentalproblemsGlobalwarmingthegreenhouseeffectendangeredanimalsnaturaldisastersfloodingwaroverfishingforestrationspaceexplorationoverhuntingpovertyUsethewordsabovetofinishoffEx.1,p51.Earthquakesandvolcaniceruptionsareexamplesof

naturaldisasters

.2.ThegiantpandaandtheBengaltigerare

endangeredspecies.3.Becauseofthegreenhouseeffect

,theearthiswarmedbygasestrappedintheatmosphere..Answers11、即使是普通孩子，只要教育得法，也会成为不平凡的人。12、首先是教师品格的陶冶，行为的教育，然后才是专门知识和技能的训练。13、儿童是中心，教育的措施便围绕他们而组织起来。14、孩子在快乐的时候，他学习任何东西都比较容易。15、生活即教育，社会即学校，教学做合一。16、当在学校所学的一切全都忘记之后，还剩下来的才是教育。07六月20232023/6/72023/6/72023/6/717、播种行为，可以收获习惯；播种习惯，可以收获性格；播种性格，可以收获命运。六月232023/6/72023/6/72023/6/76/7/202318、我们发现了儿童有创造力，认识了儿童有创造力，就须进一步把儿童的创造力解放出来2023/6/72023/6/707June202319、人自身有一种力量，用许多方式按照本人意愿控制和影响这种力量，一旦他这样做，就会影响到对他的教育和对他发生作用的环境。2023/6/72023/6/72023/6/72023/6/7

4.Globalwarming

isanincreaseovertimeoftheaveragetemperatureoftheEarth.5.Overfishingisharmfultotheecologyofthesea.6.ThousandsofpeopleinAfricacontinuetodiebecauseofwarandpoverty

.7.Thewaterlevelrosesohighinseveralplacesthatmanyhomesareatriskfrom

flooding.Unit22EnvironmentalProtectionunit1GlobalwarmingWhat’swrong?Theearthissweating!!!----GlobalwarmingAcidrainGreenhouseeffectLead-inPre-readingPredict:(groupwork)Whatisthetextabout?Basedonthetitle“Canwetake

the

heat”andthefollowingpictures.

TrafficJam

FactoryThetextmaybeabout:1.Vehiclesandfactoriespumpvarietiesofgasesinhugequantities,especiallycarbondioxide,intotheatmosphere,whichcausesthegreenhouseeffectandwillcausesomeotherdisasters.2.Howdowetakeactionstowrestlewiththisproblemandstopthedisastersfromhappening?While-readingWhatisglobalwarming?GlobalwarmingmeansanaverageincreaseintheEarth’stemperaturewhichleadstoclimatechange.SkimmingReadthetextandmatchtheheadswiththeparagraphs.1.Drawreaders’attentiontothetopicbyaskingquestions.2.Whatshouldhumanbeingsdo.3.Whatisglobalwarming.4.Consequencesofglobalwarming.5.WhatcauseglobalwarmingPara1.Para2.Para3.Para4.Para5.WordstudyScanthetextforthesefollowingwordsandworkouttheirmeanings.consensus,bounce,agriculture,coincidence,condemn,reservation,sarifice,advocateScanning1.Inthelastfewdecades,scientistshavereachedconsensusandreportedthathumanbeingsarecausingchangesintheearth’sclimate2.Withoutthesenaturallyoccuringgases,thesun’srayswouldbouncebackintospaceleavingtheEarthcoldandimpossilbetoliveon.agreementjumpback3.Giventhisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.4.ifwecontinuetoproducecarbondioxideandothergasesinsuchhugequantities,wearecondemninglifeonEarth巧合destroying5.Somegovernment,forexample,theUSA’sfederalgovernment,expressreservationsaboutwhetherglobalwarmingisreallycausedbyhumanactivities.6.Expertsadvocatedthateachpersonplaytheirparttosavetheearth.保留意见putforwardandsupportMatchtheKeyWordswiththeirChinesemeanings.consensusbounceagriculturecoincidencecondemnreservationsacrificeadvocate反弹农业巧合一致的意见保留宣判死刑主张，提倡牺牲Carefulreading(1)Para.1Introduction:Humanbeingsarecausing____anditisbelievedthat________couldbeoneofthebiggest______inthe21stcentry.Para.2Definition:Gloablewarmingrefersto_____intheEarth’stemperraturethat,inturn,______climatechange.Para.3Causes:Manyexpertsinsistthattheblameforthisglobalwarmingcanmostly____.Para.4Consequences:Ifwecontinuetoproducegreenhousegases______.Therewillbemore______suchasfloodings,heatwavesanddroughts.Para.5Action:Allgovernmentshavearesponsibilityto____andeachpersonshould_____.Para.1Introduction:Humanbeingsarecausing__________________________anditisbelievedthat________________couldbeoneofthebiggest_____________________________inthe21stcentry.Para.2Definition:Gloablewarmingrefersto________________________intheEarth’stemperraturethat,inturn,___________climatechange.changesintheEarth’sclimateglobalwarmingenvironmentalproblemsanaverageincreaseleadtoPara.3Causes:Manyexpertsinsistthattheblameforthisglobalwarmingcanmostly_________________________.Para.4Consequences:Ifwecontinuetoproducegreenhousegases____________________.Therewillbemore___________suchasfloodings,heatwavesanddroughts.Para.5Action:Allgovernmentshavearesponsibilityto_________________________________andeachpersonshould________________.bepinnedonhumanactivitiesinsuchhugequantitiesdisastersreducetheamountofcarbondioxideplaytheirpartReadthetextandanswerthefollowingquestions.1.WhatiscontrollingthetemperatureoftheEarth?2.AregreenhousegasesnecessaryforlifeonEarth?3.Whathumanactivitiesarecausingglobalwarming?4.Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?5.Howcanwehelpsolvetheproblemofglobalwarming?Carefulreading(2)Fillintheblanksaboutthetext.GlobalwarmingmeansanaverageincreaseintheEarth’stemperaturewhichcausesclimatechangeinturn.Scientiststhinkitis____________thatcauseglobalwarming,especiallygasesfrom________andvehicleswhichspeedupglobalwarming.factorieshumanbeingsTheyalsothinkglobalwarmingisoneofthebiggestenvironmentalproblemsinthe21stcentury.TheEarth’stemperatureiscontrolledby_______________likecarbondioxidewhich___heatfromthesunintheEarth’satmosphere.Manyexpertsbelieveglobalwarmingismainlycausedgreenhouse

gases

trapbyhuman________.Overthelast100years,theglobalaveragetemperaturehasincreased_______andifhumanbeingscontinuetopump__________gasesintotheEarth’satmosphere,theglobalwarmingwillcausedramaticclimatechangeslikemorefrequentfloods,_________and

by1°F

greenhouseheatwaves

activitiesDroughts.Therearesomeseriousdiseases.Sealevelwillbe______,floatingcoastalarea,negativelyaffecting______andforestry.Sogovernmentsallovertheworldshouldreducethe______ofgreenhousegases.

Weindividualsshouldpay________towhatwearedoing,evenraisedfishingreleaseattentionsmallchangeslike______publictransport,________,usinglow-flow____________,buyingenergy-efficient___________usingrecycledpaperor___________lightscanhave__________onthefutureoftheEarth.taking

recyclingshowerheads

lightbulbsswitchingoff

greateffect

PostreadingVoiceyouropinions:Takingactiononglobalwarming(orclimatechange)issimilar.Insomecases,itonlytakesalittlechangeinlifestyleandbehaviortomakesomebigchangesingreenhousegases

reductions.Forothertypesofactions,thechangesaremoresignificant.Whenthatactionismultipliedbythe1.3billionpeopleinChina.Orthe6billionpeopleworldwide,thesavingsaresignificant.

Whatdifferencecanwemake?GroupworktakepublictransportlikebusesExamples

Therecyclingsymbol

buytherecycledproductsRecycledproductsuselow-flowshowerheadsbuyenergy-efficientlightbulbsreplacewithLanguagepointsHerearesomekeyphrasesfromthetext:beyondourcontrolpumpintospeeduprefertotrap…into…bouncebackasaresultofleadtoberelevanttoinsuchhugequantitieshavearesponsibilitytointurnasindividualsswitchofftakeaction

outofourcontrol