新课标人教版选修六Book6 Unit4 Using language.ppt

《新课标人教版选修六Book6 Unit4 Using language.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、UsinglanguageWhatcanwedoaboutglobalwarmingPreview:1代表onbehalfof2对……几乎没有影响havelittleeffecton3承担义务haveacommitment4有能力做……havethepowertodo5众人拾柴火焰高Together,individualscanmakeadifference6忍受putupwith7由于asaresultof8只要solongas9对…漫不经心becasualabout10等等andsoon11节约能源beeconomicalwithen

2、ergy12振奋你的精神refreshyourspirit13最后也是最重要的Finallyandmostimportantly14你的贡献有价值Yourcontributioncounts.Wordstudycommitmentputupwithelectricalsolongascircumstancebecasualabouteconomicaltolerant;bearbelief;anopiniondosthusinglesstimeormoneyconnectedwithelectricity;usingelectricity

3、onlyifnotshowingmuchcareorthought;notcareaboutsthcondition,situationColumnAColumnBWhathascausedtheglobalwarming?①Humanactivity---burningoffossilfuels.②Greenhouseeffect---greenhousegases---weneedthosegases.③Hugequantitiesofextracarbondioxide---from1957to1997---fromaround31

4、5partspermilliontoaround370partspermillion.TheeffectsofglobalwarmingNegativeeffects:1causethesealeveltorise;2severestorms;3droughts;4famine;5destructionofspecies6floodPositiveeffects:1makeplantsgrowfaster;2cropswillproducemore;3makelifebetterWhatcanwedoaboutglobalwarming?

5、LearningAims:1．Tofoster(培养)thestudents'abilityinskimmingandlookingupinformationandimprovethestudents'readingability.2．Todevelopthestudents'senseofcooperationwithotherstosolveproblems.3．Todevelopstudents'senseofenvironmentalprotection.Skimthelettersandfindwhothewritersarea

6、ndwhattheirpurposesofwritingthelettersare.SkimmingThefirstletteriswrittenbyastudentnamedOuyangGuang.Thepurposeistoaskforsuggestionsforhisproject—globalwarming.ThesecondletteriswrittenbyaneditorofEarthCaremagazine.ThepurposeistoofferOuyangGuangsomesuggestionsonwhattodoabou

7、tglobalwarming.SkanthefirstletterWhatopinioncanyougetfromhisletter?Asanindividual,hecanhavenoeffectonenvironmentalproblemsScanthesecondletter1.DoesEarthCareagreewithOuyangGuang’sopinionthatindividualscanhavenoeffect?2.ListEarthCare’suggestionsinthechartonpage30,anddiscuss

8、whetheryoucancarryouteachsuggestion,giveyourreasons.No,EarthCareagreesthattogether,individualsca