高中英語選修八+Unit22+Lesson1+Global+Warming+課件

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，也會成為不平凡的人。12、首先是教師品格的陶冶，行為的教育，然后才是專門知識和技能的訓練。13、兒童是中心，教育的措施便圍繞他們而組織起來。14、孩子在快樂的時候，他學習任何東西都比較容易。15、生活即教育，社會即學校，教學做合一。16、當在學校所學的一切全都忘記之后，還剩下來的才是教育。07六月20232023/6/72023/6/72023/6/717、播種行為，可以收獲習慣；播種習慣，可以收獲性格；播種性格，可以收獲命運。六月232023/6/72023/6/72023/6/76/7/202318、我們發(fā)現了兒童有創(chuàng)造力，認識了兒童有創(chuàng)造力，就須進一步把兒童的創(chuàng)造力解放出來2023/6/72023/6/707June202319、人自身有一種力量，用許多方式按照本人意愿控制和影響這種力量，一旦他這樣做，就會影響到對他的教育和對他發(fā)生作用的環(huán)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.保留意見putforwardandsupportMatchtheKeyWordswiththeirChinesemeanings.consensusbounceagriculturecoincidencecondemnreservationsacrificeadvocate反彈農業(yè)巧合一致的意見保留宣判死刑主張，提倡犧牲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