选修6unit4Warmingup.ppt

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1、Unit 4 Global warmingWarming up高二人教新课标版选修六高二人教新课标版选修六Listthings that use energysources of energyrenewable/non-renewable Things that use energy around us or at any other places:In a houseThings that use energy Sources of energylights television cassette player computerfridge stove washing machine hai

2、rdryer video recorder coal oilnatural gas wind(power)sun(solar energy)water(hydro-electric power)the sea(tidal energy)uranium(nuclear energy)plant waster(biomass energy)Windmills(风车风车),renewableSource of energy:A coal power station,non-renewableAn oil refinery(精炼厂精炼厂),non-renewableA nuclear power pl

3、ant,non-renewableSolar panels(太阳电池板太阳电池板),renewableA hydro-electric dam,renewableGeothermal(地热的地热的)Energy PlantThermal(温泉的温泉的)Region,IcelandRenewable or non-renewable?Renewable or non-renewable?nCoalnOilnNatural gasnUraniumnWind(wind power)nSun(solar energy)nWater(hydro-electric power)nPlant waste(b

4、iomass energy)nHot springs or geysers(geothermal energy)nThe sea(tidal energy)Fossil fuels(化石燃料化石燃料)Non-renewableRenewableSample listsThings that use energySources of energyRenewable/non-renewablelightsheatingtelevisionvideo recordercars and buses oilcoalnatural gaswind(wind power)sun(solar energy)r

5、enewable renewable non-renewablenon-renewablenon-renewablefridgestovewashing machinehair-dryerwater(hydro-electric)renewableplant waste(biomass energy)renewablehot springs(geothermal energy)renewablethe sea(tidal energy)renewablecomputer uranium(nuclear energy)non-renewable What is told in the pictu

6、re?What is global warming?What cause global warming?Greenhouse2012glaciers melt 冰川融化冰川融化 species extinction 物种灭绝物种灭绝sea level rises 海平面上升海平面上升Global warming also causes many extreme weather events.droughtfloodtyphoonTsunami hits Indonesia sandstormDesertificationhigh temperatureWhat can we do?Copenh

7、agen climate change summit carbon emission reduction Every coin has two sides.Energy lights our cities and heats our buildings.Meanwhile,many kinds of energy sources cause pollution.How to deal with it?renewable energy sourcessolar energywindmillswind energyhydro energy geothermal energy(地热能地热能)What

8、 more things can you do?The minimum effort is also a kind of support.再小的力量也是一种支持。再小的力量也是一种支持。An energy source is“renewable”when supplies of it never run out and“non-renewable”when one day they will run out.我们称用之不竭的资源为我们称用之不竭的资源为“可更新可更新资源资源”。称最终会枯竭的资源为。称最终会枯竭的资源为“不可更新资源不可更新资源”。Language points 1)run o

9、utrun out 是不及物的是不及物的,后面不能加宾语后面不能加宾语,所以没有被动。所以没有被动。run out of 是及物的是及物的,后面必须加宾语。后面必须加宾语。如：如：We have run out of the ink.=The ink has been run out of.=The ink has run out.2)renewable/non-renewable可更新资源可更新资源/不可更新资源不可更新资源If I can rephrase what I had just said,I think our resource is not renewable.如果我可以把我刚说的话重新措辞一下如果我可以把我刚说的话重新措辞一下,我变为我们的资源是不能再生的我变为我们的资源是不能再生的。Homework1.Review the new words and expressions in this class.2.If possible,watch the movie 2012&write your comment.3.Preview Reading.