牛津译林版高中英语必修五unit 2《the environment》教学参考

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1、Unit2　Theenvironment【美文阅读】人类的贪婪是环境恶化的主要原因。然而，除此之外还有其他因素吗？Isourenvironmentbeingdestroyedbygreed?Theenvironmenthasbeensufferingfromallformsofdamage；especiallyinrecentyearsglobalwarmingseemstobethemainproblem.Manytimes，environmentalworsening，intheformofrunningoutofnaturalresources，andair，waterandlandp

2、ollution，iscausedbytheirresponsiblebehaviorofhumans.Nations，liketheUnitedStates，setthemselvesabovetheruinanddamageoftheenvironment.However，itwillbeunfairtostatethatenvironmentalworseningisbroughtaboutonlybygreed.Otherfactors，suchastheinabilityofsomedevelopingcountriestofindotherchoicesofsurvival，al

3、soplayapartincontributingtoenvironmentalproblem.Thestateoftheenvironmenthasbeentheconcernofscientistsinrecentyears.Inthecaseofglobalwarming，greed，inthesenseofeconomicbenefitsofacountry，actuallycontributestotheruinoftheenvironment.ThisisseeninthecaseoftheUnitedStates'refusaltocarryoutitsagreementtot

4、heKyotoProtocol(京都议定书)，wherecountriescometogetherandhelpdealwiththeincreasingemissionofgreenhousegases.IftheUSagreedtoit，itwouldmeanthatithastocutbackonitsGrossDomesticProduct(GDP)growth.Anotherreasonforenvironmentalworseningisthatsomedevelopingcountrieshavefewornootherchoicestomakingmoneyfortheirs

5、urvival.Forexample，slashandburn(刀耕火种)isthecheapestwayforpoorfarmerseventhoughitcreatesaseriousenvironmentalproblem.Shouldtheynotpracticeslashandburn，theymaynotbeabletoclearthelandintimeforagriculturalactivitiestosupportthemselvesandtheirfamilymembers.Forthem，environmentconcernsaresecondaryascompare

6、dtotheirsurvival.Therefore，tosavetheenvironment，everyone，beityoungorold，richorpoor，shouldplayapartinprotectingtheearth，asacollectiveeffortdefinitelymakesabigdifference.【诱思导学】1．Whataretheformsofenvironmentalworseningaccordingtothepassage?______________________________________________________________

7、__________2．WhydoesAmericarefusetheKyotoProtocol?________________________________________________________________________3．Whatcausestheworseningoftheenvironment?____________________________________________