Lesson1GlobalWarming (5).ppt

unit 22 environmentalalrotectionlesson 1 global warming，whats wrong？Theearthweating！-全局战斗，acidrainmouseeffect，basedonthetitle canwetaketheheat andthefollowwingpictures . predict : whatisthetitle、traffic jam、工厂、thetextmaybeabout :1。vehiclesandfactorespumpvariisesoft gasiserinhugequantities、especallycarbondioxide、into the atmosphere、whichcausestheghegide，readdthetextandmatchtheheadlisttheparagraphs。1 .draw readers attentiontothetpickfirst askining questions . 2 . whatshouldhumanbeingsdo . 3 . whatisglobalwarming . 4 . effectsofglobalwalwarming翻译：近几十年来，科学家一致认为，人类的活动引起了全球气候变化，地球的气候变化以前似乎是我们人类无法控制的。agreement、looking ahead、scientistsbelievethaglobalwarmingcouldbeoneofthebigestenvironmentalplemsfacingthe 21st CEE翻译：展望未来，科学家认为气候变暖可能是21世纪人类面临的最严重的环境问题之一。paragraph 2330 whatisglobalwarmingandhowitworks。whatisglobalwarming？globalwarmingmanesanaveragea increaeintheearth stemperatures whichleadstoclimatechange。aregrenhouseasesanectureparty？yes、they are、because etheytrapheatfromthesunintheearth sat mosphere . otherwisetheearthwulbecomdandunsuitableforlife，翻译：如果没有这种自然产生的气体，太阳的光线会反射回宇宙，地球将不适合生命的存在。jumpstart、paragraph333: reasons、whathenuman activity arecausinglobalwarming？industry、agriculture、thecuttingdownofforests、theincreaein transportandtheburninggoffuelsarecausinglobalwarming，翻译：根据这些数据，我们推断人类活动和全球变暖的关系不仅仅是偶然。巧合，paragraph 4: theeffectsofgflobalwarming，byhowmuchastheglobalaveragea temperatureincreaedinthelast 10 years？by1f (onedegreefahrenheit)。paragraph 5: whatcanwedotorductelbalwarming？government : reduce _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _individuals : playtheirownpartsandmakesmallchangeslike _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _、wecanmakesmallchangesliketakingpublictransport、recycling、using low-flowshrowerheaders、andbuying energy-effs、Changesintheearths climate、global warming、environmental problems、