Unit+3+Conservation+Topic+Talk 高中英語北師大版（2019）選擇性必修第一冊

Unit3ConservationTopicTalk文本分析作為本單元的單元導(dǎo)入，為本單元的內(nèi)容做了充分的主題和詞匯的鋪墊。學(xué)生通過學(xué)習(xí)大自然受人類活動的影響、大自然被破壞的方式及人類保護自然的積極行動相關(guān)表達，感知保護大自然的重要性。本課屬于“人與自然”主題，倡導(dǎo)學(xué)生改變生活方式、激發(fā)學(xué)生保護自然的意識。本課以兩段聽力對話為主要內(nèi)容：第一段對話圍繞地球面臨最大的環(huán)境問題展開，說話者列舉了破壞環(huán)境的因素并倡議使用清潔能源和回收利用廢棄物；第二段對話以犀牛被非法獵取為例激發(fā)學(xué)生保護動物的意識。Attheendofthelesson,thestudentswillbeableto:1.Obtainthedetailedinformationabouttheconservationfromdifferentaspects.（語言能力，學(xué)習(xí)能力）

TeachingObjectives學(xué)習(xí)理解應(yīng)用實踐遷移創(chuàng)新2.

ExpressopinionsonconservationbyusingthelanguagesinTextBuilder.

(語言能力、思維品質(zhì)）3.Writeashortparagraphonconversation.(語言能力、思維品質(zhì)、文化意識）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