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1、本课时编写：双辽一中张梅梅老师Unit22Lesson1GlobalWarming北京师范大学出版社
2、选修八TeachingObjectives1.Tohaveabetterunderstandingofwhatglobalwarmingis2.Toknowtheseriousconsequencesthatglobalwarmingmaycause3.Torealizetheimportancethatweneedtotakeaction北京师范大学出版社
3、选修八Wordspreviewcons
4、ensusbounceadvocateagricultureCoincidenceCondemnreservationsacrificen.一致的意见vi.反弹vt.主张,提倡n.农业n.巧合vt.宣判死刑,注定毁灭n.保留,存疑vt.&vi.牺牲,献出北京师范大学出版社
5、选修八What’sthemaincauseofglobalwarming?Whichcountriesdoyouthinkcontributemoretoglobalwarming?Why?Developedcountriesb
6、)Developingcountries北京师范大学出版社
7、选修八Whichcontributemoretoglobalwarming?LondonNewYorkNigeria北京师范大学出版社
8、选修八Canwetaketheheat?北京师范大学出版社
9、选修八Fastreading1.Scanthepassage,andmatchthemainideawiththeparagraphnumbers.Para.1Para.2Para.3Para.4Para.5Drawreaders’attenti
10、ontothetopicbyaskingquestion.Whatshouldhumanbeingsdo.Whatisglobalwarming?Consequencesofglobalwarming.Thecauseofglobalwarming.北京师范大学出版社
11、选修八1)Whatisglobalwarming?GlobalwarmingisanaverageincreaseintheEarth’satmosphere.2)Whathumanactivitiesarecausinggloba
12、lwarming?Industry,agriculture,transportation,cuttingdownoftreesandtheburningoffuelsarecausingglobalwarming.Readthetextcarefullyandanswerthefollowingquestions.北京师范大学出版社
13、选修八3)Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?By1ºF(Onedeg
14、reeFahrenheit)4)AregreenhousegasesnecessaryforlifeonEarth?Yes,theyare.BecausetheytrapheatintheatmosphereoftheEarth.OtherwisetheEarthwouldbecoldandunsuitableforlife.北京师范大学出版社
15、选修八5)Howcanwehelpsolvetheproblemofglobalwarming?Wecanmakesmallchangesliketaki
16、ngpublictransport,recycling,usinglow-flowshowerheads,andbuyingenergy-efficientlightbulbstohelpstopglobalwarming.北京师范大学出版社
17、选修八CarefulreadingListentothetextcarefully,andfillinthetableaccordingtoit.2.Readingcomprehensionquestions.北京师范大学出版社
18、选修八Para.1Intro
19、duction:Humanbeingsarecausing_______intheEarth’s_______anditisbelievedthat_______________couldbeoneofthebiggest___________________inthe21stcentury.Para.2Definition:Globalwarmingreferstoanaverage_______intheEarth’stemperaturethat,inturn,_______
