高中英语人教版（2019）必修二Unit 2 导学案

M2U2WildlifeProtectionPeriod1ListeningandSpeaking导学案Learningaims:1.Tolearntotalkaboutsavingendangeredwildlife.2.Tolearntousevisualstopredictcontent.3.Tolearntolistenforgeneralandspecificinformation.4.Tolearnwordstress.5.Tolearntoknowweshouldtakeactionstoprotectwildlife.Step1:Freetalk1.Whatcanyouseeinthephoto?__________________________________2.Wherearethesewildanimals?__________________________________3.Aretheyendangeredspecies?___________________________________Step2:BrainstormingQ1:Whatotherwildanimalsareindanger?_____________________________________________________________________Q2:Howdoyouunderstandthequote?_____________________________________________________________________Q3:Whyarewildanimalsindanger?_____________________________________________________________________Step3:Pre-listeningQ1:Whatmessagesdothesepostersshare?_____________________________________________________________________Q2:Whichonemovesyoumost?Why?_____________________________________________________________________Step4:Listening(thefirstpart)Q1:Whatishappeninginthepictureandwhyisithappening?____________________Q2:Canyoupredictwhatwearegoingtohear?_______________________________Step5:Listening(thefirstpart)T1:Listenandfillintheblanks.AndthencompletethepassageonP14.W:Haveyouseenthat_______withtheclock?It'ssogood,butalittle________,too.M:Iknow.Somanywildanimalsare______________.Thispostersaysthatbetween150and200speciesdieouteveryday.W:That'sterrible.Wereallyneedtodosomething.Whyaresomanyspeciesdying?M:Well,someanimalsarebeing_______and_______.Andthenthere's_________and______________,Iguess.Animalsneedaplacetolivein,justlikeus,andtheyneedcleanairandwater,too.W:Itseemslikepeopleneedtobe______________.M:Absolutely.Morepeopleneedtoknow.W:Yes,theyshouldmakemoreoftheseposters—maybeitwillhelp________thewildlife.T2:CompletethepassageonP14.Step5:Listening(thesecondpart)T1:Listentothesecondpartandanswerthequestions.T2:Whatdoesthespeakertellusattheendingofthespeech?_________________________________________T3:Listenagainandfillintheblanks.Someonehasto1.____________endangeredanimals.Somefamouspeople,suchasChinesesuperstarYaoMingandBritain’sPrinceWilliam,workhardtohelp.InOctober2015,PrinceWilliam2.__________________onCCTV:“Inthe33yearssinceIwasborn,we’velostaround70percentofAfrica’s3.__________________.Ofthosethatareleft,20000arekilledeveryyear.Thatis54elephantskilled4.________________.”Thatmeansthereareelephantswhich5._______________rightnow!Inhisspeech,PrinceWilliamalso6.________China’seffortstoprotectwildlife:“Iamabsolutely7.__________thatChinacanbecome8.________________intheprotectionofwildlife.”Youdon’thavetobePrinceWilliamorYaoMingtospeakupanddosomethingabout9.___________________.Youcanbethevoiceof10.________________inyourarea.Remember:11.________________________!Step6:PairworkT:Discussthequestions,role-playtheexample,andthentalkaboutoneoftheanimalsinthephotosbelow.Q1:Whatdoyouknowabouttheanimals?Q2:Whatisbeingdonetohelpthem?Step7:PronunciationStep8:ExerciseExtensiveReading(拓展阅读)Passage1AmazingFactsaboutBlueWhalesBluewhalesarethelargestcreatureevertohavelivedonEarth.Herearesomeamazingfactsandfiguresabouttheseincrediblecreatures.Howmuchdoesabluewhaleweight?Femalebluewhalesweighmore(190,000kg)thanmales(150,000kg).Ataround2,700kgnewbornbluewhaleweighsaboutthesameasanadulthippopotamus(河马).Theheartofabluewhalecanweigh450kg.Howlongdoesabluewhalelive?Theoldestknownbluewhalewasaround110yearsold;however,upto90yearsoldisthoughttobemorenormal.Whatdoesabluewhaleeat?Despitetheirenormous(huge)size,theyfeedontinyshrimp-likecrustaceanscalledkrill(磷虾)(asmanyas40millioneveryday)whichtheyscoop(舀)upinhugemouthfulsandsieve(筛)fromthewaterusingtheirbaleen(鲸须).Theyhaveloud,deepvoicesandcancommunicatewithotherwhaleshundredsofmilesaway.Thesoundtheymakecanreachupto188decibels(anythingover120-130ispainfulforhumans).Onlythespermwhale(抹香鲸)makesaloudersound.Thetongueofabluewhaleweighsasmuchasanelephantandissobigawholefootballteamcouldstandonit.Mostbluewhalesmigrate(迁徙)tocoldwaterstofindfoodandtowarmerwaterstobreed.Femalesusuallygivebirthtoacalf(幼鲸)onceeverytwoorthreeyearsafteragestation(怀孕)period(pregnancy)ofupto12months.Abluewhalecalfcandrink250litresofitsmother'smilkeveryday.Itisweaned(断奶)afteraroundsixmonths.Themajorbloodvessel(血管)ofabluewhale’sheartissobigthatababycouldcrawl(爬行)throughit.Duringtheirfour-monthmigration,theyeatverylittle,survivingmostlyonreservesofblubber(鲸脂).Althoughhuntingbluewhaleshasbeenbanned(禁止)foralongtime,theyarestillanendangeredspecieswithanestimated(估计)worldwidepopulationof10,000-25,000.Passage2MajorThreatstoBlueWhalesWhaling(捕鲸)mayhavestoppedbutmanyotherhumanactivitiesstillthreatentheirexistence.Themainthreats...Hunting

–thoughtheyarenotcurrentlyhunted,whalersareconstantlypushingforreprieve(延缓)andposeaconstantrisk,tryingtoconductso-calledsustainable(可持续的)hunting.Piratewhalingisalsoathreat.Pollution

–increasinglytroubledbythebuild-upoftoxic(有毒的)chemicalsfromplastic,litterandoilspills(泄漏)intheirsystems,thehealthandfertility(生育力)oflargewhalescouldbeseriouslymadeupofpollution.Noisepollution

–bluewhalesrelyonsoundtonavigate(导航)andcommunicate.Noisefrommilitarysonar(声纳),oilandgasdrilling(钻)andexplorationandshippingcanseriouslydisrupt(打扰)themandevencausethemtostrand(浅滩).Fishingnetsandgear(渔网渔具)

-trawlnetsarepulledbyboats,staticnetshanginthewater;bothcatcheveryoneandeverythingintheirpathandareamassivethreattobluewhales.Vesselstrikes((船只撞击)

–thenumberofboatsontheoceanisincreasingallthetime.Thoughtheyarelarge,bluewhalesarerelativelyslowandarevulnerable(脆弱的)tostrikesbymanykindsofvessels.Irresponsiblewhalewatching

–theirsizeandfamemakebluewhalesverypopularwithwhalewatchers,butunfortunatelyinsomepartsoftheworldboatsaregettingtoocloseandinterfering(扰乱)withtheirlivesandnaturalbehaviours.Passage3HowChinaProtectsGiantPandas-PandasNowNOTEndangered!Thegovernmenthasadoptedathree-prongedapproachtopromotethesurvivalofthegiantpandaasawildanimalspecies:1.HabitatProtection-13GiantPandaNatureReserveAreasThemostimportantworktosavethegiantpandaistoprotecttheirhabitat.Withoutthis,pandascouldonlysurviveincaptivity(圈养).Toprotectgiantpanda'shabitat,Chinagovernmenthasset13pandanaturereserveareas.Intheareas,

farmingfieldshavebeenlefttogrowbackasforest.Treesandbamboohavegrownwell,andhabitatarerecovering.Alsofarmingpracticesaroundtheforestshavebeenreducedorseparatedfromthereserveareas.Accordingtogovernmentresearchin2015,

habitatforgiantpandashasgrown

byabout2,720km2,(almosttheareaofYosemiteNationalPark),comparedtoin2003.At25,770km2,pandahabitatisnowalmosttwicethesizeofSerengetiNationalPark.Inthereserveareas,

conservationstaff

liveandworktorescuesickorstarvingpandas,andtostopsmugglers(走私者)fromhuntinggiantpandas.2.CaptiveBreeding-Research,Education,andReturningtoWildIn1980s,muchofthebambooontheQionglaiMountains(thegiantpanda'smainhabitatarea)died.Thusmany

giantpandaswerestarving,andwererescuedtoChengduZoo.In1987,toseparatetheresearchwork,the

ChengduPandaCenter

wasestablishedforgiantpandaresearch.Theoriginalsixstarvinggiantpandashavebredmorethan150pandassincethen!Unlikeordinaryzoosorattractions,pandaresearchcentersfocuson

researchandbreeding.ThereareseveralpandacentersaroundChengdutobreed(喂养)pandas,educatepeopleaboutprotectingpandas,andtodoresearchtohelpsavethislovelyspecies.Someresearchcenters,likeDujiangyanPandaValley,

preparethecaptive-bredpandastobeintroducedintothewild.3.LawsandStiffPenalties-Over10YearsinJailforHuntingorSmugglingGiantPandasThegiantpandaisknownasthe'nationaltreasure'ofChina.It'soneofthe"firstclassprotectedspecies"accordingtoChina's

WildAnimalProtectionLaw.Inthepast,therewasmuchhuntingofgiantpandasandsmuggling(走私)oftheirpeltsandbodyparts,soChina'sgovernmentestablished

lawsandseverepenalties

toprotectgiantpandasfromhuntingandsmuggling.Passage4WhytheGiantPandawasEndangered-MainlyHabitatReductionTherearemanyreasonsthatcausedgiantpandastobeendangered.Butthemainreasonwas

disappearinghabitat.Habitatreduction(people'sloggingandfarmingpractices)Fooddecreased(bamboodyingoff)Lowreproductivity(1cubin2years)andlowsurvivalrateforpandacubsPoaching(偷猎)andhunting1.

Giantpandahabitatwasreducedgraduallybyfarmingandfo