Unit 3 Topic Talk 課件-高中英語北師大版選擇性必修第一冊

Unit3ConservationTopicTalkWarmupTaketurnstoaskandanswerinpairs.1Arecoral(reefs)livinganimalsorplants?Why?2Whyarecoralreefsoftencalledtherainforestsofthesea?3Whataresomeofthethreatstocoralreefs?4Ifcoral(reefs)werespeakingtoyou,whatwouldtheysay?WarmupWatchthevideo:NatureisspeakingWarmupRoots&ShootsThetimeofitsestablishmentThefounderThepurposeThemeaningofitsnameRecallandcompletethetablebelow.Intheearly1990sDr.JaneGoodallToeducateyoungpeople,frompre-schooltouniversitystudents,sotheycanhelptobuildafuturethatissecureandlivetogetherinpeacewithnature.Rootsmoveslowlyunderthegroundtomakeafirmfoundation,andshootsseemsmallandweak,buttheycanbreakopenbrickwallstoreachthelight.Pre-listeningNamesomehumanactivitiesthathaveanimpactontheenvironment.Farmfarm,work,travel,live,hunt,fish,construct,destroyanimalhabitats…Whatneedstobeprotected?FarmtheEarth,plants,oceans,forests,animalsandtheenvironment,ourplanet,ourland…WhatarethewayswehumansdestroyNature?theuseofoilandcoal,plasticwaste,drivingcars,overdevelopingnaturalresources,cuttingdownforests,mining,buildingnewchannelsintheseaandfactoriesontheland,creatingpollutionwithchemicalwaste…Pre-listeningWhatpositiveactionsshouldwetaketoprotectourplanet?reducetheamountofwasteweproduce,reusepreviouslyuseditems,recycletheusedthingsthantoburnthem,helpsaveenergyandresources,cutdowntheuseofunrecyclableplastic,playourpart,usecarsless,cycleandwalkmorePre-listeningListenforunderstanding(Ⅰ)Listentothedialogueandcompletethesentences.?Ireallyfeelstronglythatweneedtochangethewaywe_________inordertoprotect__________.?Icanseethat____________________isoneofthebiggestthreatstoourplanet.?Weallneedto_____________________________________________.ConservationliveourplanettheuseofoilandcoalrecycleandreducetheamountofwasteweproduceListenagainandcompletethepassage.ProfessorLindaWei,______________________,gavealectureyesterday.Herlecturewasreally__________!Meilearntalotabout___________________________theworldisfacingnow.ProfessorWeiwasvery_______________usingcleanenergy.Wedefinitelyneedto__________differentformsofpowerassoonaspossible.Shetalkedabouthow____________iskillingouroceans.Weshould_________theuseof__________________toprotectourplanet.anenvironmentalexpertinformativetheenvironmentalchallengespassionateaboutswitchtoplasticwastecutdownunrecyclableplasticListenforunderstanding(Ⅰ)TalkinpairsUsetheTextBuildertotalkaboutyourfeelingsonconservationorhowtoprotecttheenvironment.?Ireallyfeelstronglythatweneedtochangethewayweliveinordertoprotectourplanet.

?Icanseethattheuseofoilandcoalisoneofthebiggestthreatstoourplanet.?Weallneedtorecycleandreducetheamountofwasteweproduce.Listenforunderstanding(Ⅱ)1WhyisDr.Bradshawworkingonprotectingrhinos?2Whatdopeopledotorhinos?Rhinosareindanger.Somepeopleincorrectlythinkrhinos’hornsareusefulinmedicineandillegallyhuntthem.Listentothedialogue.Answerthequestions.3WhatdoesDr.Bradshawsuggestdoing?

4Whatmayhappen,ifwedon’tdosomethingnow?Makingeveryoneknowthathuntingtheseanimalsisillegalandthattheseamazinganimalsarepartoftheworldwelivein.Therewillbenorhinosleftintheworldin20years.Listenforunderstanding(Ⅱ)DiscussingroupsDoyouagreeordisagreewiththequotes?(P.51)Supportyouropinionswithareason/anexample.Discusswithyourteammembersaboutconservationandhowwecanprotecttheanimalsandourenvironment?DiscussingroupsConservationisastateofharmonybetweenmenandland.—AldoLeopoldTakewithrestraintanduseinmoderation;thiswayoneshallalwaysknowcontentment.—ZizhiTongjianDiscussingroupsConservationmeansthewiseuseoftheEarth

anditsresourcesforthelastinggoodofmen.—GiffordPinchotEnvironmentalpollutionisanincurabledisease.

Itcanonlybeprevented.—BarryCommonerAssignmentUsethelanguageyouhavelearnttowriteashortparagraphaboutwhatyouknow,howyoufeelandwhatyouneedtoprotecttheenvironmentinthefuture.Thenshareitingroups.NotesAfterthelecture,Icanseethattheuseofoilandcoalisoneofthebiggest_______(threat)toourplanet.threatsHesaidarmyofficershadthreatenedtodestroythetown.他說陸軍軍官們曾威脅要摧毀那座小鎮(zhèn)。threatenv.威脅

1.threatn.威脅；（災(zāi)難等壞事）發(fā)生的可能There’salittlebitofviolencehereandthere,butnothingthat’sathreattothegeneralsituation.這兒時不時會有一些小的暴力事件發(fā)生，不過這并不影響總的局勢。NotesMilkroundsarethreatenedascustomersswitchtobuyingfromsupermarkets.隨著顧客轉(zhuǎn)而從超市購買牛奶，送牛奶的生意受到了威脅。switchoff=turnoff關(guān)掉；切斷；關(guān)閉switchon=turnon打開；接通2.switchto切換到；轉(zhuǎn)到Wedefinitelyneedtoswitchtodifferentformsofpowerassoonaspossible.我們確實(shí)需要盡快轉(zhuǎn)換到不同形式的能源。NotesThisisacollectiveresponsibility;allofushavearoletoplay.這是一個需要集體承擔(dān)的責(zé)任，我們大家都可以發(fā)揮作用。Shewouldonlyplayaroleifshecouldidentifywiththecharacter.她只愿扮演她能認(rèn)同的角色。playarolein在……中起作用；在…