Unit+3+Conservation+Topic+Talk 高中英语北师大版（2019）选择性必修第一册

Unit3ConservationTopicTalk文本分析作为本单元的单元导入，为本单元的内容做了充分的主题和词汇的铺垫。学生通过学习大自然受人类活动的影响、大自然被破坏的方式及人类保护自然的积极行动相关表达，感知保护大自然的重要性。本课属于“人与自然”主题，倡导学生改变生活方式、激发学生保护自然的意识。本课以两段听力对话为主要内容：第一段对话围绕地球面临最大的环境问题展开，说话者列举了破坏环境的因素并倡议使用清洁能源和回收利用废弃物；第二段对话以犀牛被非法猎取为例激发学生保护动物的意识。Attheendofthelesson,thestudentswillbeableto:1.Obtainthedetailedinformationabouttheconservationfromdifferentaspects.（语言能力，学习能力）

TeachingObjectives学习理解应用实践迁移创新2.

ExpressopinionsonconservationbyusingthelanguagesinTextBuilder.

(语言能力、思维品质）3.Writeashortparagraphonconversation.(语言能力、思维品质、文化意识）Whatisconservation?Conservationissavingandprotectingtheenvironment,historicalobjectsorworksofart

suchaspaintings,sculptures,orbuildings.Theconservationofasupplyofsomethingisthecarefuluseofitsothatitlastsforalongtime.Example

Whydotheyneedprotection?Weshouldpromoteenergyconservation.Themorefossilfuelsareburned,themoreourenvironmentishitbypollution.Talkaboutthethingsthatneedtobeprotected....Whatshouldwedo?ConservationWhatneedstobeprotected?ReadtheTextBuilder.farm(v.)toworkasafarmer

threat

(n.)anexpressionofanintentiontohurt,punish,causepain,etc.

mining(n.)theprocessofgettingcoalandothermineralsfromunderthegroundgreenhouseeffectdrivingcarscuttingdownforestsdeforestationitem(n.)asinglearticleorobjectdoourpartListenforinformation.ReadtheTextBuildercarefully.Thenlistentothedialogueandcompleteitbyunderliningthewordsorexpressionsyouhear.ConservationIreallyfeelstronglythatweneedtochangethewaywe______inordertoprotect_________.Icanseethat___________________isoneofthebiggestthreatstoourplanet.Weallneedto_____________________________________.liveourplanettheuseofoilandcoalrecycleandreducetheamountofwasteTextBuilderActivity3ReadtheTextBuilder.Listenagainandfillintheblanksofthesummary.Environmentalexpert,ProfessorLindaWei,gavean____________lecture.Shewasvery_____________aboutusingcleanenergy,becausetheuseofoilandcoalisoneofthebiggest_____________toourplanet.Wedefinitelyneedto___________todifferentformsofpowerassoonaspossible.Johnthinksweshouldcutdowntheuseof____________plastictoprotectourplanet.Atlasttheprofessorsaid“Weallhavea_________toplayinprotectingtheenvironment.Ifweall_____________,wecanliveahealthierlifeonEarth.informativepassionatethreatsswitchunrecyclable

roledoourpartListenandThink1.WhyisDr.Bradshawworkingonprotectingrhinos?3.WhatdoesDr.Bradshawsuggestdoing?4.Whatmayhappen,ifwedon’tdosomethingnow?2.Whatdopeopledotorhinos?Listentothedialogue.Answerthequestions.ListenandThink1.WhyisDr.Bradshawworkingonprotectingrhinos?Rhinosareindanger.Somepeopleincorrectlythinkrhinos’hornsareusefulinmedicineandillegallyhuntthem.Makingeveryoneknowthathuntingtheseanimalsisillegalandthattheseamazinganimalsarepartoftheworldwelivein.Therewillbenorhinosleftintheworldin20years.3.WhatdoesDr.Bradshawsuggestdoing?4.Whatmayhappen,ifwedon’tdosomethingnow?2.Whatdopeopledotorhinos?Listentothedialogue.Answerthequestions.Heworksonprotectinganimalsindanger.Atpresent,heisinarhinoprotectingprogramme.Thefirststepiseducation.ExpressYourself.UsetheTextBuildertotalkaboutyourfeelingsonconservationorhowtoprotecttheenvironment.Sample:Ireallyfeelstronglythatweneedtochangethewaywetravelinordertoprotectourenvironment.Icanseethatdrivingcarsisoneofthebiggestthreatstoourplanetsinceitemitsgreenhousegasesandcausesairpollutionlikesmog.Weallne