高中英语Book-3Unit4How-life-began-on-earth公开课优质获奖课件

Howlifebeganontheearth?Howlifebeganontheearth?Quizonearthlife.Quizonearthlife.1Doyouknowwhichoneisnotamammal哺乳动物?2Snakesandtortoisesbelongto_____,whilefrogsandtoadsbelongto__.Aamphibians两栖动物

Breptiles爬行动物

ABkoala1Doyouknowwhichoneisnot

Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?

EachreligionandculturehasBigBangBigBang

Panguseparatesthesky

fromtheearth.

Panguseparatesthesky

fromNvwamendstheheavenandcreateshumanbeings.NvwamendstheheavenandcreaGodcreatestheworld

GodcreatestheworldTheBigBang

TheBigBangWater

Air

Life?HowLifeBeganontheEarth：Whichcamefirst?WaterAir

1.Thispassageismainlyabout___.Atheearth’satmosphereBthesolarsystemCthedevelopmentoflifeDthedifferencebetweentheearthandotherplanets

Fastreading

1.ThispassageismainlyabParagraph1:Paragraph2:Paragraph3:Paragraph4:Paragraph5:D.AwidelyacceptedtheoryabouttheformationoftheuniverseC.TheformationoftheearthA.TheimportanceofwaterforlifeB.ThedevelopmentofplantsandanimalsontheearthE.Thearrivalofhumansandtheirimpactontheearth2.Matchthemainideaofeachparagraph.FastreadingParagraph1:Paragraph2:Paragr

Thedevelopmentofaplanetgenerallydependson___combiningtogether.AatomsBrocksCgasesDwaterPara1Carefulreading

Thedevelopmentof

1.Whathappenedshortlyafterthe“BigBang”?ATheearthwasjustacloudofenergeticdustBTheearthbecameasolidballquicklyCTheearth’satmosphereappearedDWaterstayedonthemoon

Para2Carefulreading

1.Whathappeneds

2.Whatbegantoappearontheearth’ssurfacewhenitcooleddown?AWaterBGasesCAcidsDCarbon

2.Whatbegantoappearonth3.Whatistheoriginalearth’satmospheremadeupof?carbon,nitrogen,watervapor,andothergases3.Whatistheoriginalearth’s1.whatisfundamentaltothedevelopmentoflife?WaterPara3Carefulreading1.whatisfundamentaltothe

1.Whatmakestheearthdifferentfromotherplanets?

AIt’squitewarmontheearth.BThereisplentyofatmosphere.CSmallplantsgrowingonthesurfaceofthewaterarrived.DThefirstoceansandseaswerefilledwithoxygen.Para4Carefulreading

1.Whatmakestheear2.When___,reptilesappeared.AthefirstgreenplantsbegantoappearonlandBlandanimalsappearedCtheplantsgrewintoforestsDearlyshellfishdeveloped

2.When___,reptilesappeared

3.Whyweremammalsdifferentfromotherlifeforms?

A.BecausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthemB.BecausetheyproducedyounggenerallybylayingeggsC.BecausetheywereabletoliveonlandaswellasinthewaterD.Becausetheyliveongrass

3.Whyweremammalsdifferent4.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?Plants.4.Whichkindoflife-beingfi

Fromthelastparagraphwecaninfer

thattheauthoris____.AconfidentBsadCconcernedDangry

Para5

FromthelastparagraphWorkinpairs.Puttheorderofdevelopmentoflifeintoatimelineaccordingtothereadingpassage.Workinpairs.PuttheorderPuttheorderofdevelopmentoflifeintoatimeline.Insectsandamphibiansappeared.Theearthbecameasolidball.Reptilesappeared.Theearthwasacloudofdust.ShellfishandotherfishappearedDinosaursappeared.Smallplantsgrewonthewater.Plantsbegantogrowondryland.Waterappearedontheearth.Mammals(includinghumans)appeared.DBIGEHACFJPuttheorderofdevelopmentoTrueorfalse

1.Accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”,afterwhichtheearthwasstillacloudofdustforseveralbillionyears.2.Astheearthcooleddown,waterbegantoappearonitssurface.3.Waterallowedtheearthtodissolveharmfulgasesandacids,anditonlyappearedontheearth.4.Asformammals,theyproducedyounggenerallybylayingeggs.5.Cleveranimalswithhandsandfeet,intheirturn,areprotectingtheearthwellinsteadofotherlessimportantanimals.TrueorfalseLet’sreviewtheevolutionoflifeontheearth.Let’sreviewtheevolutionofTheBigBangwatersmallplantsinsectsandamphibiansonlandreptilesonlandmammals

advancedmammalsdinosaurswatersmallplantsinsectsanda

developednewmethodsofgrowingfood(1)Whathumansdeveloped?developednewmethodsofhuntingdevelopednewmethodsofmovingaround

Greenhouseeffect(2)Buttheyarenottakingcareoftheearthverywell.

Whatproblemsarehumanscausing?puttingcarbondioxideintotheatmospheretheearthmaybecometoohotGreenhouseeffect(2)ButtheyAsastudent,whatlittlethingscanwedofortheearth?DiscussionAsastudent,whatlittlethinusesolarenergyplanttreesrecyclerubbishpreventdesertificationsavewaterpurifyairWeoughtto...Weshould……ingisagoodchoice.usesolarenergyplanttrees高中英语Book-3Unit4How-life-began-on-earth公开课优质获奖课件EarthSongWhataboutsunriseWhataboutrainWhataboutallthethingsThatyousaidweweretogain...WhataboutkillingfieldsIsthereatimeWhataboutallthethingsThatyousaidwasyoursandmine...DidyoueverstoptonoticeAllthebloodwe'veshedbeforeDidyoueverstoptonoticeThecryingEarththeweepingshores?AaaaaaaaaahAaaaaaaaaahWhathavewedonetotheworldLookwhatwe'vedoneWhataboutallthepeaceThatyoupledgeyouronlyson...WhataboutfloweringfieldsIsthereatimeWhataboutallthedreamsThatyousaidwasyoursandmine...DidyoueverstoptonoticeAllthechildrendeadfromwarDidyoueverstoptonoticeThecryingEarththeweepingshoresIusedtodreamIusedtoglancebeyondthestarsNowIdon'tknowwhereweare

…EarthSongWhataboutsunriseWhetherlifewillcontinueontheearthdependsonhumanbeings.Onlyifwecarewillwehelp,onlyifwehelpshallallbesaved!WhetherlifewillcontinueonHomeworkWriteacompositionaboutprotectingourearth.HomeworkThanksforyourlistening!Thanksforyourlistening!Howlifebeganontheearth?Howlifebeganontheearth?Quizonearthlife.Quizonearthlife.1Doyouknowwhichoneisnotamammal哺乳动物?2Snakesandtortoisesbelongto_____,whilefrogsandtoadsbelongto__.Aamphibians两栖动物

Breptiles爬行动物

ABkoala1Doyouknowwhichoneisnot

Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?

EachreligionandculturehasBigBangBigBang

Panguseparatesthesky

fromtheearth.

Panguseparatesthesky

fromNvwamendstheheavenandcreateshumanbeings.NvwamendstheheavenandcreaGodcreatestheworld

GodcreatestheworldTheBigBang

TheBigBangWater

Air

Life?HowLifeBeganontheEarth：Whichcamefirst?WaterAir

1.Thispassageismainlyabout___.Atheearth’satmosphereBthesolarsystemCthedevelopmentoflifeDthedifferencebetweentheearthandotherplanets

Fastreading

1.ThispassageismainlyabParagraph1:Paragraph2:Paragraph3:Paragraph4:Paragraph5:D.AwidelyacceptedtheoryabouttheformationoftheuniverseC.TheformationoftheearthA.TheimportanceofwaterforlifeB.ThedevelopmentofplantsandanimalsontheearthE.Thearrivalofhumansandtheirimpactontheearth2.Matchthemainideaofeachparagraph.FastreadingParagraph1:Paragraph2:Paragr

Thedevelopmentofaplanetgenerallydependson___combiningtogether.AatomsBrocksCgasesDwaterPara1Carefulreading

Thedevelopmentof

1.Whathappenedshortlyafterthe“BigBang”?ATheearthwasjustacloudofenergeticdustBTheearthbecameasolidballquicklyCTheearth’satmosphereappearedDWaterstayedonthemoon

Para2Carefulreading

1.Whathappeneds

2.Whatbegantoappearontheearth’ssurfacewhenitcooleddown?AWaterBGasesCAcidsDCarbon

2.Whatbegantoappearonth3.Whatistheoriginalearth’satmospheremadeupof?carbon,nitrogen,watervapor,andothergases3.Whatistheoriginalearth’s1.whatisfundamentaltothedevelopmentoflife?WaterPara3Carefulreading1.whatisfundamentaltothe

1.Whatmakestheearthdifferentfromotherplanets?

AIt’squitewarmontheearth.BThereisplentyofatmosphere.CSmallplantsgrowingonthesurfaceofthewaterarrived.DThefirstoceansandseaswerefilledwithoxygen.Para4Carefulreading

1.Whatmakestheear2.When___,reptilesappeared.AthefirstgreenplantsbegantoappearonlandBlandanimalsappearedCtheplantsgrewintoforestsDearlyshellfishdeveloped

2.When___,reptilesappeared

3.Whyweremammalsdifferentfromotherlifeforms?

A.BecausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthemB.BecausetheyproducedyounggenerallybylayingeggsC.BecausetheywereabletoliveonlandaswellasinthewaterD.Becausetheyliveongrass

3.Whyweremammalsdifferent4.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?Plants.4.Whichkindoflife-beingfi

Fromthelastparagraphwecaninfer

thattheauthoris____.AconfidentBsadCconcernedDangry

Para5

FromthelastparagraphWorkinpairs.Puttheorderofdevelopmentoflifeintoatimelineaccordingtothereadingpassage.Workinpairs.PuttheorderPuttheorderofdevelopmentoflifeintoatimeline.Insectsandamphibiansappeared.Theearthbecameasolidball.Reptilesappeared.Theearthwasacloudofdust.ShellfishandotherfishappearedDinosaursappeared.Smallplantsgrewonthewater.Plantsbegantogrowondryland.Waterappearedontheearth.Mammals(includinghumans)appeared.DBIGEHACFJPuttheorderofdevelopmentoTrueorfalse

1.Accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”,afterwhichtheearthwasstillacloudofdustforseveralbillionyears.2.Astheearthcooleddown,waterbegantoappearonitssurface.3.Waterallowedtheearthtodissolveharmfulgasesandacids,anditonlyappearedontheearth.4.Asformammals,theyproducedyounggenerallybylayingeggs.5.Cleveranimalswithhandsandfeet,intheirturn,areprotectingtheearthwellinsteadofotherlessimportantanimals.TrueorfalseLet’sreviewtheevolutionoflifeontheearth.Let’sreviewtheevolutionofTheBigBangwatersmallplantsinsectsandamphibiansonlandreptilesonlandmammals

advancedmammalsdinosaurswatersmallplantsinsectsanda

developednewmethodsofgrowingfood(1)Whathumansdeveloped?developednewmethodsofhuntingdevelopednewmethodsofmovingaround

Greenhouseeffect(2)Buttheyarenottakingcareoftheearthverywell.

Whatproblemsarehumanscausing?puttingcarbondioxideintotheatmospheretheearthmaybecometoohotGreenhouseeffect(2)ButtheyAsastudent,whatlittlethingscanwedofortheearth?DiscussionAsastudent,whatlittlethinusesola