cttohisopinion.15.agreaterrangeofanimals种类繁多的动物arangeof/avarietyof/aseriesof…14.environmentalconsequences环境影响大范围的/种类繁多的/一系列的16.buildup聚集17.evenif即使18.keeponwarming持续温暖onthewhole/inaword/allinall总的说来onbehalfof…代表…一方;为了…利益。putupwith=bear/tolerate/standsolongas=aslongasandsoonWhatcanwedoaboutglobalwarmingSkimthelettersandfindwhothewritersareandwhattheirpurposeofwritingthelettersis.SkimmingThefirstletteriswrittenbyastudentwhoisaskingforsuggestionsforhisproject—globalwarming.ThesecondletteriswrittenbyaneditorofEarthCaremagazine.Heoffersthestudentsomesuggestionsonwhattodoaboutglobalwarming.EarthCare’ssuggestionsCanyoucarryitout?ReasonsListEarthCare’ssuggestionsandtheningroups,discusswhetheryouthinkyoucancarryouteachsuggestion.Ifyouarenotusingelectricalappliances,turnthemoff.YesSaveenergyScanning
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