高中英語Unit4GlobalWarmingUsinglanguage（一）教案新人教版選修6

Usinglanguage教學(xué)內(nèi)容分析Theemphasisofthisperiodwillbeplacedonlisteningandspeaking.Therearealtogethertwotextsforthestudentstolistentointhisperiod：oneisintheStudent'sBookandtheotherisintheWorkbook.Thefirstone(onPage31，Listeningandspeaking)isaconversationbetweentwopeople，LiBinandProfessorKeeling，whoisascientiststudyingglobalwarming.ProfessorKeelinghasbeenmentionedinthereadingpassageonPage26.Thelisteningtextisaradiointerviewabouttheuseoffossilfuelsandothersourcesofenergy.Itcontainsexamplesofthefocusfunctionforthisunit：agreementanddisagreement.WhilelisteningtoPart1forthefirsttimethestudentsareaskedtodecidewhichstatementinExercise1ProfessorKeelingdoesNOTagreewith.ThenstudentsarerequiredtolistentoPart1againandticktheenergysourcesthatarementionedinthetext.AfterlisteningtoPart2studentsareaskedtolistthreethingstheycandotosaveenergy.AtlasttheyshouldalsolistentoPart2againandfillintheblanksinExercise4.Thesecondone(onPage65，ListeningTask)involvesanenvironmentalorganization.Astudent，Tom，isgivinganoralpresentation.Aswithmostoralpresentationsthatstudentsgive，Tomhassomevisualaidstogowithhistalk.Studentswillfirstberequiredtolistentothewholespeechtogetthegeneralidea，andthenlistenagainandtakesomenotesaboutsomefactsmentionedinthespeech.三維目標設(shè)計Knowledgeandskills1．Tounderstandthemeaningsofthefollowingkeywordsandexpressionswhilehearingtheminthetape：fossilfuels(化石燃料)，industrialsocieties(工業(yè)化社會)，concentrated(濃縮的)，radiation(輻射)，economical(經(jīng)濟的)，globalcommunity(地球村)，cigarettebutts(煙蒂)，commitment(承諾)，inspiration(啟發(fā))．2．Toenablethestudentstounderstandthelisteningtexts.3．Tohelpthestudentslearnhowtoexpressagreementanddisagreement.Processandmethods1．Smoothingawaylanguageproblemsifanybeforelistening.Beforeaskingthestudentstolistentothetape，helpthemtosmoothawayanylanguageproblemssuchasnewwordsandexpressionsthattheymaynotunderstandwhilelistening.2．Listeningforneededinformation.Beforeaskingthestudentstolistentothetapeforthefirsttime，givethemoneortwoquestionsaboutthegeneralideaofthetextsoastoleadthestudentstoconcentrateonlyontheneededinformation.Thenaskthemtolistentothetapeforasecondorevenathirdtimeforsomespecificinformationbygivingthemsomedetailedquestionstoanswer.3．Speakingfreelyandmakingconversations.Atlastthestudentsmaybeaskedtogivetheirownpointsofviewandattitudestowardsthesubjectmentionedinthetext.Emotion，attitudeandvalue1．Tostimulatestudents'spiritofcommunicationandcooperation.2．Todevelopstudents'abilityofenjoyinglanguagebeauty.教學(xué)重、難點1．Theunderstandingofthelisteningtext.2．Theexpressingofagreementanddisagreement.eq\o(\s\up7(),\s\do5(教學(xué)過程))Step1Revision1．RetellthetextonP26－P27.2．Checkthelastperiod'shomeworkandexplainthedifficulties.Step2Pre－listening1．Showthefollowingpicturestothestudentsandaskthemtotellwhichkindofenergyeachpictureshows.Picture1____________Picture2____________Picture3____________Picture4____________Suggestedanswers：Picture1：tide；Picture2：windpower；Picture3：solarenergy；Picture4：nuclearenergy2．Tellthestudentstothinkoverandtellwhichenergyisthemostwidelyusednowandwhatareitsadvantagesanddisadvantages.________________________________________________________________________Suggestedanswers：Solarenergyisthemostwidelyusednow.Itsadvantagesareenvironmentallyfriendlyandrenewable.Itsdisadvantageisthattheequipmentistooexpensive.Step3Listening1．ListentoPart1ofText1(Page31)andfinishthefollowingexercises.(1)HowlongdoesProfessorKeelingthinkfossilfuelswilllast?A．Severalyears.B．Onlyafewyears.C．Centuries.(2)Whatisthedisadvantageofnuclearenergy?A．Itisdangerous.B．Itproducescarbondioxide.C．Thereisn'tenoughforit.(3)Whatmakesitimpossibleforustousesunpoweratpresent?A．Thedanger.B．Thetechnology.C．Beingclean.Suggestedanswers：(1)C(2)A(3)B2．ListentoPart1ofText1again(Page31)andticktheenergysourcesthatarementioned.Completethenotesonthem.SourcesofenergyNotesFossilfuelsWindpowerEnergyfromthesunNuclearpowerSuggestedanswers：SourcesofenergyNotesFossilfuels●producecarbondioxide●cheapandconcentratedformofenergyWindpower●clean●notpractical：needhugeareasoflandtoprovideenoughenergyEnergyfromthesun●clean●notverypracticalwithpresenttechnologyNuclearpower●doesn'tproducecarbondioxide●dangerous3.ListentoPart2ofText1(Page31)andchoosethebestanswerstothefollowingquestions.(1)HowmanysuggestionsdoesProfessorKeelingoffer?A．2B．3C．4(2)Whichofthefollowingistoblameforglobalwarming?A．Developingcountries.B．Developedcountries.C．Poorcountries.Suggestedanswers：(1)B(2)B4．ListentoText2(Page65)forthefirsttimeandcatchitsmainideaandthensummarizeeachpart.Mainidea：_________________________________________________Part1：______________________________________________________Part2：_____________________________________________________Suggestedanswers：Mainidea：ThetalkismainlyaboutCleanUpAustraliaDayanditsorganizerIanKierman.Part1：HowIanKiermanbeganCleanUpAustraliaDay.Part2：CleanUptheWorldDayandIanKierman'scontributiontoimprovingtheenvironment.5．Listentothewholetalkagain.AskstudentstonoticetheyearsthatTommentions，whathappenedintheseyearsandmanyotherfacts.Makenotesinthefollowingtable.YearEventFactsabouttheeventSuggestedanswers：YearEventFactsabouttheevent1987IanKiermancompetedinaround－the－worldyachtraceHewasshockedatthepollutionintheocean.1989Clean－upDayforSydneyHarbour40000volunteers；collectedoldcarbodies，plastics，glassbottles，cigarettebutts1990ThefirstCleanUpAustraliaDay300000volunteers2001CleanUpAustraliaDayMostcommonkindsofrubbish：cigarettebutts，glassbottlesandplasticbags1993ThefirstCleanUptheWorldDay30millionvolunteersin80countries2001CleanUptheWorldDay40millionvolunteersin128countries；cleanedstreets，beaches，riverbanksandparksStep3SpeakingSincethestudentshavelearnedmuchknowledgeaboutglobalwarmingbybothreadingandlistening.It'snecessaryforthemtotalkaboutitnow.Teachthemhowtoexpressagreementsanddisagreements，blameandcomplaintbyshowingthemthefollowingpatternsonthescreen.(Slideshow)Agreement：Exactly.You'reright.Iagree.That'scorrect/true/right.Disagreement：I'mafraidIdisagreewithyou.I'mafraidnot.Idon'tthinkso.Noway.Idon'tagree.Idoubt...Blameandcomplaint：I'msorrytobringthisup，but...?I'msorrytohavetosaythis，but...Theyshouldn'thavedoneit.Theyaretoblame.Perhaps/Maybetheyshould/oughtto...Whydon'tyoudosomethingaboutit？AskstudentstoreadagainwhatProfessorKeelingandLiBinsay.Theningroupsdiscusswhoyouagreewithandgivereasons.Usesomeoftheexpressionslistedaboveoranyotherstheyknow.Givethestudentsthreeminutestoprepareandpractice，andthenasktwogroupstodemonstratetheirdialoguesinfrontofthewholeclass.Step4HomeworkWriteapassagetotalkaboutglobalwarmingandpeople'sdifferentviewsonit.Step5Reflectionafterteaching________________________________________________________________________________________________________________________________________________________________________________________________________________________eq\o(\s\up7(),\s\do5(教學(xué)參考))Ⅰ.國際知名環(huán)保組織介紹這些國際性的環(huán)保組織克服了重重困難，獲得了世界范圍內(nèi)的響應(yīng)和支持，依靠組織手段，將提倡的環(huán)保概念普及，并通過各種環(huán)保項目的實施，切實推動世界各地的環(huán)保進程。(1)世界環(huán)保組織(IUCN)全名為InternationalUnionforConservationofNatureandNaturalResources，縮寫為IUCN，該組織歷史悠久，1948年即在瑞士格蘭德成立，是政府及非政府機構(gòu)都能參與合作的少數(shù)幾個國際組織之一。由全球81個國家、120個政府組織、超過800個非政府組織、10000個專家及科學(xué)家組成，該組織共有181個成員國，實際工作人員已超過8500名。組織每3年召開一次世界自然保護大會(WorldConservationCongress)。IUCN旨在影響、鼓勵及協(xié)助全球各地的協(xié)會，保護自然的完整性與多樣性，并確保在使用自然資源上的公平性，及生態(tài)上的可持續(xù)發(fā)展。(2)世界自然基金會(WWF)WWF是在全球享有盛譽的、最大的獨立性非政府環(huán)境保護機構(gòu)之一，在全世界擁有將近500萬支持者和一個在90多個國家活躍著的網(wǎng)絡(luò)。WWF的使命是遏止地球自然環(huán)境的惡化，創(chuàng)造人類與自然和諧相處的美好未來，保護世界生物多樣性；確?？稍偕匀毁Y源的可持續(xù)利用；推動降低污染和減少浪費性消費的行動。該組織的標志為大熊貓。(3)全球環(huán)境基金(GEF)GEF是關(guān)于生物多樣性、氣候變化、持久性有機污染物和土地荒漠化的國際公約的資金機制。GEF通過其業(yè)務(wù)規(guī)劃，支持發(fā)展中國家和經(jīng)濟轉(zhuǎn)型國家在生物多樣性、氣候變化、國家水域、臭氧層損耗、土地退化和持久性有機污染物的重點領(lǐng)域上開展活動，取得全球效益。自1991年啟動以來，GEF已通過1000多個項目，向140多個發(fā)展中國家和經(jīng)濟轉(zhuǎn)型國家提供了大約40億美元贈款，并從各種渠道吸引了120億美元的項目融資。2002年8月，32個捐資國保證，在隨后4年內(nèi)，向GEF提供近30億美元，用于GEF活動。(4)國際綠色和平組織1971年，12名懷有共同夢想的人從加拿大溫哥華起航，駛往安奇卡島(Amchitka)，去阻止美國在那里進行的核試驗。他們在漁船上掛了一條橫幅，上面寫著“綠色和平”。盡管在中途遭到美國軍方阻攔，他們的行動卻觸發(fā)了輿論和公眾的聲援。次年，美國放棄在安奇卡島進行核試驗。在此后的30多年里，綠色和平組織逐漸發(fā)展成為全球最有影響力的環(huán)保組織之一。該組織繼承了創(chuàng)始人勇敢獨立的精神，堅信以行動促成改變。同時，通過研究、教育和游說工作，推動政府、企業(yè)和公眾共同尋求環(huán)境問題的解決方案。綠色和平組織在中國的環(huán)保項目包括氣候與能源項目——致力于減緩由燃燒煤、石油和天然氣等化石燃料造成的氣候變化，還有致力于消除有毒污染物的污染防治項目，森林保護項目品等。(5)地球之友(FriendsofEarth)在香港地區(qū)創(chuàng)立的“地球之友”(FriendsoftheEarthInternational)是著名的環(huán)境非政府組織之一，還是反全球化運動的一支重要力量。與其他環(huán)境組織一樣，“地球之友”近年來也改變了就環(huán)境問題談環(huán)境的做法，轉(zhuǎn)而將環(huán)境問題與社會問題及發(fā)展問題聯(lián)系起來，既擴大了活動領(lǐng)域，也擴大了影響。自1983年成立以來，“地球之友”曾經(jīng)走過一段艱辛的路。在香港的超級物質(zhì)主義的大潮流下，“地球之友”仍然堅守使命，捍衛(wèi)公眾利益，維護環(huán)境公義，不屈不撓地推動環(huán)保，反對擴充發(fā)電廠、濫用殺蟲劑、侵占郊野土地、關(guān)注過度消費、城市空氣污染、水質(zhì)污染、填海和環(huán)境管理失誤等問題。Ⅱ.E.(兒童環(huán)保組織“為了世界更清潔”)MelissaPoewas9yearsoldwhenshebeganacampaignforacleanerenvironmentbywritingalettertothethenPresidentBush.Throughherownefforts，herletterwasreproducedonover250donatedbillboardsacrossthecountry.TheresponsetoherrequestforhelpwassohugethatPoeestablishedKidsforACleanerEnvironment(KidsF．A.C.E.)in1989.Therearenow300000membersofKidsF．A.C.E.worldwideandistheworld'slargestyouth