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1、人教版高二英语必修六人教版高二英语必修六Unit4WarmingupUnit4WarmingupLearning aims1.Enable students to know something about energy resources and something that use energy.2.Know which energy resources are renewable and which energy resources are unrenewable.3.Predict bad effects of greenhouse effect. Lets look at some m
2、ore pictures and decide whether they are renewable or not.Warming up windmills renewablesolar energy renewable hydroelectric power renewablegeothermal energyrenewable tidal energy renewable biomassSD energyrenewablenuclear power plant, non-renewablecoal power station , non-renewablenatural gasnon-re
3、newableCoalOilNatural gasUraniumWind (wind power)Sun (solar energy)Water (hydro-electric power)Plant waste (biomass energy)Hot springs or geysers (geothermal energy)The sea (tidal energy)Fossil fuels(化石燃料化石燃料)Non-renewableRenewableWhat is global warming?What cause global warming?GreenhouseGlobal war
4、ming also causes many extreme weather events. 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“可更新资源可更新资源”。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 Listthings that use energysources of energyrenewabl
5、e / non-renewable Spare to (P26,L2)2.there is no doubt (p26,L5)3.rather than (p26,L7) 4.fossil fuels(p26,L20)5.a natural phenomenon(p26,L24)6.small amouts of gases (p26,L26)7.greenhouse effect (p26,L25)8.tend to do sth (p26,L35)9.be trapped in(p26,L35)与与相比相比毫无疑问毫无疑问而不是而不是化石燃料化石燃料自然现象自然现象少量气体少量气体温室效应
6、温室效应往往往往被困在被困在P2610.the attitude towards(p26,L31) 11.make accurate measurements(p26,L8)12.over the next 100 years(p26,L19)13.build up(p26,L41)14.for decades(p26,L45)14.have a commitment(p30,L2)15.have the power to do sth (p30,L2)16.be casual about (p30,para1,L2)17.be economical with energy(p30,L4)18.finally and most importantly(p30,L6)对对的态度的态度做出精确的测量做出精确的测量在接下来的在接下来的100 年年积聚，增进，加强积聚，增进，加强几十年几十年有义务有义务有能力做有能力做对对漫不经心漫不经心节约能源节约能源最后也是最重要的最后也是最重要的P26&p301. Review the new words and expressions you learned in this class.2. Preview Reading.HomeworkSee you next time !结束！结束！
