选修 uni warming ureadingppt课件.ppt

unit4GlobalWarming WarmingUp Reading 1 Canyoutellwhatweuseenergyfor Energylightsourcities Energyheatsourbuildings Energyentertainsus watchingTV playingcomputersetc 2 Wheredoesalltheenergycomefrom windmills风力 3 Wheredoesalltheenergycomefrom Acoalpowerstation燃煤发电站 4 Wheredoesalltheenergycomefrom Anoilrefinery炼油厂 5 Wheredoesalltheenergycomefrom Anuclearpowerplants原子能发电站 6 Wheredoesalltheenergycomefrom Solarpanels太阳能接收器 7 Wheredoesalltheenergycomefrom Ahydrodam水坝 8 What sthedifferencebetweenwindpowerandcoalpower Windwillneverrunoutwhilecoalisalimitedresource What srenewableenergy What snon renewableenergy 9 Negativeeffectsofusingenergy 10 Whatisagreenhousemadeofandusedfor 2 Howdoesitwork Pre reading 11 Agreenhouseismadeofglassandisusedforgrowingplants especiallyduringcoldweather 12 Howdoesitwork Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthecoldperiod 13 Whatarethegreenhousegases Intheatmospheresurroundingtheearththerearegasescalled greenhousegases includingcarbondioxide methane 甲烷 沼气 andwatervapor 14 Whatdoyouthinkgreenhousegasesdo Theytrapheatfromthesunandthereforewarmtheearth 15 VideoTime Enjoythevideo andthenanswerthefollowingquestions Whydoestheice creammelt Howdoestheglobalwarminghappen Newwords Globalwarming 全球变暖Greenhousegas 温室气体Icecube 冰块Rottingcorpse 腐烂的尸体 16 THEEARTHISBECOMINGWARMERBUTDOESITMATTER 17 onedegreeFahrenheitarapidincreasecomparedtocomeaboutgraphrandomnaturalphenomenonsubscribetofossilfuelsbyproductcarbondioxide 一华氏度快速增长与 相比发生图表胡乱任意的自然现象捐赠 订阅 同意化石燃料副产品二氧化碳 18 trapheatCelsiusquantitiesoftendtoperdataresultintrendcatastropheflooddrought 留住热量摄氏度许多大量趋向每数据导致趋势大灾难水灾旱灾 faminebeopposedtomildenvironmentalconsequencestaterangereducekeepondecade 饥荒反对温和的环境的结果陈述说明种类范围减少继续十年 19 Mainideasofeachpart Introduceadebateovertheissueofglobalwarming Part2 2 5 Howglobalwarmingcomesabout Part3 6 Part4 7 Listtwodifferentattitudesamongscientiststowardsglobalwarming It suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot Part1 1 20 1 Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977 A Dr JaniceFoster B CharlesKeeling C GeorgeHambley D SophieArmstrong Choosethebestanswer Detailed Reading 21 2 Theauthorprobablyagreesthat actuallyglobalwarmingisgoodformanB weshoulddonothingaboutglobalwarmingC catastropheswillhappeniftheglobekeepsonwarmingD alotremainstobefoundoutabouttheeffectsofglobalwarming 22 3 What sthemainideaofthesecondparagraph A Thecauseoftheearth sbecomingwarmer B Theconsequenceofburningfossilfuels C Theincreaseofcarbondioxide D Globalwarmingwillgoon 23 4 What sthetopicsentenceofthefifthparagraph A Puzzlesaboutglobal B Differentattitudestoglobalwarming C Anintroductiontothepassage D Resultsofglobalwarming 24 5 Whichofthefollowingisnottrueaccordingtothepassage A thetemperatureinthelastcenturydidn tseemtoincreasemuchB EveryonebelievesthatglobalwarmingiscausedbytheactivitiesofhumansC TheriseincarbondioxideiscausingasteadyincreaseinglobalwarmingD JaniceFosterbelievesthatshecanpredictfutureglobalriseintemperature 25 Trueorfalse 1 Thetemperatureinthelastcenturydidnotseemtoincreasemuch 2 Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans 3 JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature T T F 26 4 Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming 5 GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth 6 Itisclearwhattheeffectsofglobalwarmingwillbe T T F