公开课Global-warming公开课

GlobalwarmingPre-readingA.ThecauseoftheglobalwarmingB.TheeffectsoftheglobalwarmingC.ThephenomenonoftheglobalwarmingD.Itdoesn’tmatterthattheearthisbecomingwarmerE.BothAandCGuessfromthetitleandthetwographs:Whatmaybetalkedaboutinthepassage?Wordbankfossilfuelsn.化石燃料byproductn.副产品Celsiusn./adj.摄氏；摄氏的methanen.甲烷，沼气vapourn.水蒸汽speculationn.猜测consequencen.结果；后果使用说明：运行到本页准备开始计时时在表盘空格中输入180，代表180秒，3分钟，鼠标放在表盘上12点位置时指针变小手点击开始计时，点击中间的字母重新开始。中间无法暂停。ScanthepassageandtellTrueorFalse.1.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.2.Fossilfuelsincludecoal,naturalgasandoiletc.3.Greenhouseeffecthappenswhensmallamountsofgasestrapheatfromthesun.4.PeopleacceptCharlesKeeling’sdatabecausehetookaccuratemeasurements.5.GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.ReadingfordetailedinformationFP1:…thereisfiercedebateoverit…TFP9:Hebelieveweshouldnotworryaboutit.P10:Nooneknowswhat…TTFmainideaPart1introduceadebateovertheissueofglobalwarmingPart2Part3Part4howglobalwarmingcomesabouttwodifferentattitudestowardsglobalwarmingwhetherpeopleshoulddosth.aboutglobalwarming4partsMatchthefourparts(Para__)(Para__toPara__)(Para__toPara__)(Para__)1245910ReadthegraphReadpart2carefullyWhathascausedthesharpincreaseintheearth’stemperature?burnfossilfuelsextracarbondioxideproducegreenhousegasesbyproductstemperatureincreaseReadpart3carefullyandtakenotesWhataretheeffectsofglobalwarming?destructionofspeciesmakelifebettercausethesealeveltoriseseverestormsthespreadofdiseasesmakeplantsgrowfastercropswillproducemoredroughtsfaminesagreaterrangeofanimalsGeorgeHambleyJaniceFosterbadeffects1.2.3.4.5.6.goodeffects1.2.3.4.Whowillwin?GeorgeJaniceDr.JaniceFosterGeorgeHambleyVoiceyouropinionsThereisnodoubtthat…..Manybelievethat…，butIthink…Thereisanaturalphenomenonthat…Itis…that…Ontheotherhand,…HomeworkWriteapassageaccordingtoyourdiscussion,usingthetitle“Saveourearth,saveourselves”Ifyoulike,youcanmailtome.E-mail:[e-mail]