高中英语-Unit4-第1课时-reading学案-新人教版选修6.doc

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高中英语Unit4第1课时reading学案新人教版选修6

WarmingPeriod1readingLearningaims:
1、Knowwelltheglobalwarming
2、Enablethestudentstotalkaboutdifferentsourcesofenergy、Importantpoint:Learningabouteffecttheglobalwarmingbringshumanbeing、Difficultpoint:Toimprovetheskillsofreading、使用说明及学法指导：
1、通过阅读课本P25-27，完成预习案。
2、完成时间：30分钟。预习案PreviewingCaseTask1Dividethetextinto4partsandmatchtheideaofeachpart、Part1(Para__)
Twodifferentattitudesamongscientiststowardsglobalwarming、Part2(Para__to__)
Whetherpeopleshoulddosomethingaboutglobalwarmingornot、Part3(Para__to_)
Howglobalwarmingcomesabout、Part4(Para__)
Introduceadebateovertheissueofglobalwarming、Task2CarefulreadingPart11)
Whowrotethemagazinearticle?Whatisthenameofthemagazine?_______________________________Part22)
Whataregraph1about?______________________________________________________________3)
Whatisthereasonoftheincreaseintheearth’stemperature?_________________________________________________________________________________________4)
Whatwillhappenifweaddquantitiesofcarbondioxideintotheatmosphere?_________________________________________________________________________________________Part3:ListCharlsKeeling’s,Dr、JaniceFoster’s&GeorgeHambley‘stheideasCharlsKeelingDr、JaniceFosterGeorgeHambleyGraph2showsthatcarbondioxidecontentoftheatmosphere5)_________From1957to19
97、Carbondioxidehascausedtheglobaltemperatureto6)
________、Anincreaseoffivedegreeswouldbea7)_________andcouldbe8)______________、Morecarbondioxideisa9)__________thing,whichmakescrops10)__________moreandwillen-courage11)______________________、Task3TrueorFalse(FinishP27Comprehending2)Task4语法填空Thereisnodoubtthattheearthisbecoming1________(warm)、Buthowhasthiscomeaboutanddoesitmatter?Peoplehavefiercedebatesaboutwhether2______ishumanactivitythathascausedthisglobalwarming,3___________(compare)
withmostofthenaturalchanges、Manyscientists4_____Dr、JaniceFosterbelievethatpeoplehavecausedtheincreaseintheearth’stemperature5___burningfossilfuelslikecoal,naturalgasandoiltoproduceenergy、Som