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必修六Unit4globalwarming学案
Learningandteachingaims
1.todevelopsomereadingabilities
2.tolearnaboutthemaininformationofthepassage.
3.todevelopthesenseofenvironmentprotection.
課前预习
1.化石燃料____________8副产品____________
2温室效应____________9温室气体___________
3甲烷,沼气___________10自然現象___________
4发生____________11大量的_____________
5上升,增長__________12导致_____________
6同意,赞成_________13反对_____________
7增長,___________14继续___________
課内探究
Warmingupandpre-reading
Scanning
1.whatismainlydiscussedinthepassage?
A.whathascausedtheglobalwarmingandwhetheritmatters.
B.whateffectoftheglobalwarmingwillbe?
C.howserioustheglobalwarmingis.
D.whattheglobalwarmingis.
2.whatarethetwographsabout?
_______________________________________
3.matchthemainideaofeachpart.
Part1(para1)AHowglobalwarmingcomesabout?
Part2(para2-___)BTwodifferentopinionsaboutglobalwarming
Part3(para__)CShouldwedoanything?
Part4(para__)DTheearthisbecomingwarmer
4.whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?
A.DrJaniceFosterB.Charleskeeling
C.GeorgeHambleyD.SophieArmstrong
5.whichofthefollowingisnottrueaccordingtothepassage?
A.Thetemperatureinthelastcenturydidn’tseemtoincreasemuch.
B.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhuman..
C.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.
D.JaniceForsterbelievesthatshecanpredictfutureglobalriseintemperature.
Carefulreading
Part1
1.Whowrotethemagazineartice?________________________
2.Whatisthenameofthemagazine?_______________________
3.Whatisthemeaningoftheword“explore”inline4?______
4.Thepurposeofthefirstparagraphisto_____.
A.introducethe
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