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1、Warming-upLeadinginbybrainstormPutthestudentsintogroupsoffouranddiscussthefollowingquestions:1.Whatdoweuseenergyfor?2.Whatarethesourcesofenergy?3.Whatsourcesarerenewableandwhatarenon-renewable?1.(differently)1.Lights,heating,andallkindsofelectricequipmentuseenergy2.coal,oil,solarpane
2、ls,nuclearenergy,naturalgas,windpower,water,plantwaste,tidalenergy,ect.2.coal;oil;solarpanels;nuclearenergy;naturalgas;windpower;water;plantwaste;tidalenergy,ect.3.fillinaform:non-renewablenaturalgasrenewablethesea(tidalenergy)renewablehotspringsorgeysersrenewableplantwaste(biomassen
3、ergy)renewablewater(hydro-electricpower)non-renewableuranium(nuclearenergy)Renewable/non-renewableSourcesofenergyPre-reading1.Weusemuchenergyinourdailylife,whatistheeffectofusingenergyinourworld?Theuseofenergy---Giveoffcarbondioxide,otherwastedgasesandheatintotheair---Theearthisbecom
4、ingwarmerandwarmer.(globalwarming)Greenhouseeffect2.Howdoesagreenhousework?Thegreenhousetrapstheheatfromthesunandkeepsitfromescaping,whichcanmakeitheatupandsotheplantscangrowthroughoutthecoldperiod.3.Underthisgreenhouseeffect,whathappens?2.Theearthisbecomingwarmerandwarmer.[来源:学科网ZXX
5、K]PeriodTwo:ReadingTopic:shortpassageaboutglobalwarming.[来源:Z&xx&k.Com]LeadinginTostimulateSs’interestinreadingthetext.DividetheSsintogroupsoffour.Discussthefollowingthreequestions.1.Whatisglobalwarming?Theearthisbecomingwarmer2.Howhasthiscomeabout?Humanactivity—burningoffossilfuelsG
6、reenhouseeffect—greenhousegases—weneedgasesHugequantitiesofextracarbondioxide3.Whataretheeffectsofglobalwarming?ThesealeveltoriseSeverestorms,droughts,famines,thespreadofdiseases,andthedestructionofspecies.Task1:SkimmingAsktheSstohaveaquicklookatthemagazinearticle.Thenencouragethemto
7、tellwhattheynoticeabouthowthetextisorganized.(Answer:Ithasatitle;afirstparagraphthatisinbold;themaintext;diagrams;twoquotes)Task2:ScanningToglanceatthetext,andanswerthefollowingquestions.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrongwrotethemagazinearticle.Th
8、enameofthema
