北师大版Unit22EnvironmentalProtection导学案

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1、Unit22EnvironmentalProtectionLessononeGlobalWarming教案Learningobjectives:UnderstandthetextandgraspthelanguagepointsLearningdifficulties:AnalyzethelonganddifficultsentencestoimprovethecomprehensiveabilityStepⅠWordspellingadj.:relevant_______联邦的_______n.:consensus_______hurricane_

2、__________农业_______光线_______coincidence_______保护_______substitute_______vt.:固定_______注定毁灭，宣判死刑_______sacrifice_______主张，提倡_______威胁_______回收利用_______声称__________StepⅡLanguagepoints1.(原句回放)Inthelastfewdecades,scientistshavereachedconsensusandreportedthathumanbeingsarecausingchang

3、esintheEarth’sclimate——somethingpreviouslyseenasbeyondourcontrol.(para.1)翻译_________________________________________________________________________________________________________单词：beyond超出短语：超出…的控制___beyondourcontrol__________beyondbelief___________beyondhope_____________beyo

4、ndreason________________【高考链接】Sorry,Madam.You’dbettercometomorrowbecauseit’s______thevisitinghours.(福建2006)A.duringB.atC.beyondD.before句子分析：详见《Englishweekly》31期，第二版2.（原句回放）Theyclaimthatinthelast50years,gasespumpedintotheEarth’satmospherebythefactoriesandvehicleshavebeenspeedingu

5、ptheprocessofglobalwarmingandaffectingourclimate.(para.1)翻译：_______________________________________________________________________________________________________________________________短语：speedup_________________表示从过去某一时间开始一直持续到现在的动作.分析：本句是个复合句。Theyclaim...是主句，thatinthelast为__

6、___的宾语从句。宾语从句的主干结构为：gaseshavebeenspeedinguptheprocessofglobalwarmingandaffectingourclimate。pumpedinto...vehicles(=whichhavebeenpumped...)是_______作定语修饰gases;havebeenspeedingup...和affecting(省略了havebeen)...是并列谓语。3.(原句回放)Lookingahead,scientistsbelievethatglobalwarmingcouldbeoneofthe

7、biggestenvironmentalproblemsfacingthe21stcentury.(para.1)翻译：______________________________________________________________________________________________________________________________分析：在本句中，现在分词短语lookingahead充当______，相当于时间状语从句whenscientistslookahead；现在分词短语facingthe21stcentur

8、y充当______，修饰problems,相当于whicharefacingthe21stce