大学体验英语第三册unit1caringforourearth.ppt

Leaningobjectives:Talkaboutenvironmentalissues;Talkaboutwhatweshoulddotoprotectourearth;Understandthetextandmasterthelanguageskills.Learnhowtowritealetterofinvitationtoansymposium,forumorconference;Visitculturesalonaboutourenvironment.,Unit1CaringforOurEarthpassageA,GlobalWarming:Anincreaseintheaveragetemperatureoftheearthsatmosphere,especiallyasustainedincreasesufficienttocauseclimaticchange.,1.ListenandTalkGlobalWarming,fossilfuelsecologicaldisruptionmakeadifferencecutdowngreenhousebreatheincarbondioxide,low-flowshowerheadsandfaucetsenergyefficientastackofnewspapersmountacampaignrenewable,1.ListenandTalkGlobalWarming,fossilfuel,showerheadsandfaucets,CleanEnergy,solarheater,solarlamp,solarcalculator,CleanEnergy,windmill,windpowerstation,Theviewofeachofthefourexpertsinterviewed:1)Weshouldseetheworldasoneinterconnected,interrelatedwhole.(AmanMotwane)2)Thetwomostpressingenvironmentalissuesaredeforestingandglobalwarming.(WalterSemkiw)3)AirandwaterpollutionareourNumberOnepriorities.(LeonNacson)4)Wearethecauseoftheailingplanetandwearethevictims.(AmritDesai),2.ContentAwareness,服了这些药，你过几天就会好了。Takethismedicine,andyoullbewellinafewdays.做事不事先考虑往往会导致失败，因此我们应该三思而后行。Actingbeforethinkingoftenresultinfailure,soshouldthinkbeforeweleap.三峡大坝工程会怎样影响当地的居民？HowwilltheThreeGorgesDamimpactonthelocalresidents?在发展经济的过程中，我们必须优先考虑环境问题。Intheprocessofeconomicdevelopment,wemustgiveprioritytoenvironmentalissues.,3.LanguageFocus,一旦形势到了无法挽回的地步，危机就会爆发。Oncethesituationreachestothepointofnoreturn,acrisisisinevitable.你应该和其他同学交流观点，并听取他们在这个问题上的观点.Youshouldshareyourviewswithotherstudentsandlistentotheiropinionsonthisissue.对日益严重的环境问题我们不能袖手旁观而应该采取积极行动。Wecantjustsitbackanddonothingabouttheincreasinglyseriousenvironmentalproblems;weshouldtakepositiveaction.,LanguageFocus,Whatisthemessageoftheinterview?Themessageisthatweshouldtakeourresponsibilitytoprotecttheenvironmentandtakeactiontosaveourmotherearth.Writeasummaryoftheinterview.,AfterReading,How“green”areyou?HowmuchareyouawareofthedamageyouaredoingtoourMotherEarth?,AfterReading,garbagedump,landfill,incineration,PassageBFrogStory,PassageBFrogStory,PassageBFrogStory,Americanrobin,PassageBFrogStory,sugarmaple,WhydoestheauthorbuildalogcabininthewoodsofNorthernWisconsin?Whatisthelogcabinlike?Whereisthetreefrog?Wheredoestheauthorputthetreefrog?Howlonghasthetreefrogbeenwiththeauthor?Whydoesthetreefrogcomebackfromthegreenhouse?,PassageBFrogStory,Howdotheauthorandthetreegrogcommunicatewitheachother?Whatwastheauthorworkingonatthattime?Whatdoesthefaxfromhisfriendsay?WhatwillhappentothemapletreesandthebeautifulWisconsin?,PassageBFrogStory,Whatdoesthesto