人教版选修六unit4Globalwarming全程课件Warmingup.ppt

;Unit 4 Global warming Warming up;List;Things that use energy around us or at any other places:;Things that use energy;Windmills (风车), renewable;A coal power station, non-renewable;An oil refinery (精炼厂), non-renewable;A nuclear power plant, non-renewable;Solar panels (太阳电池板), renewable;A hydro-electric dam, renewable;Geothermal (地热的) Energy Plant;Thermal (温泉的) Region, Iceland;Renewable or non-renewable?;Renewable or non-renewable?; ;Sample lists;; What is told in the picture?;What is global warming?;Greenhouse;2012;glaciers melt 冰川融化 ;Global warming also causes many extreme weather events. ;flood;typhoon;Tsunami hits Indonesia ;sandstorm;Desertification;high temperature;What can we do?;carbon emission reduction ;solar energy;windmills;hydro energy ;geothermal energy (地热能) ;What more things can you do?;An energy source is “renewable” when supplies of it never run out and “non-renewable” when one day they will run out.;1) run out run out 是不及物的, 后面不能加宾语, 所以没有被动。 run out of 是及物的, 后面必须加宾语。 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/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, 我变为我们的资源是不能再生的。;Homework;Thank You!