國際交流英語視聽說第4冊(cè)

國際交流英語視聽說第4冊(cè)第1頁/共49頁ExampleAnswersThebiggestthreattobigcatsisprobablyhunting.Peoplewanttheirskins,orinsomecases,theymightthinkthebigcatsareathreattopeopleortodomesticanimals.Habitatlosscouldbeanotherfactorthatisendangeringbigcats.1.Lionsandothertypesofbigcatsaredyingatarapidrate.Whatdoyouthinkisthebiggestthreattotheseanimals?ProtectingOurPlanet第2頁/共49頁ExampleAnswersIfaplantspeciesbecomesextinct,thenanyinsectspeciesoranimalthatdependsonitcouldgowithoutfoodandshelter.Inaddition,plantsareimportanttothesoilandtheair,solosingaplantspeciescouldhaveseveralnegativeeffectsontheenvironment.2.Ifaplantspeciesbecomesextinct,whateffectdoesthishaveontheenvironment?ProtectingOurPlanet第3頁/共49頁ExampleAnswersTropicalpalmshavethegreatestpercentageofspeciesindanger,whilelobsters,ontheotherhand,havethesmallestpercentageandnumberofspeciesindanger.Therefore,tropicalpalmsarethemostthreatenedandlobstersaretheleastthreatened.Whichgroupisthemostthreatened?Whichistheleast?ProtectingOurPlanet第4頁/共49頁ExampleAnswersAllofthecategoriesofspeciesarecommoninChinaexceptfortropicalpalms,whichcanbeonlyseeninseveralprovinces.CoralreefsusedtobecommonintheoceansaroundChina,butamajorityofthereefshavebeendestroyedduetoover-fishingandpollution.2.WhichcategoriesofspeciesarecommoninChina?ProtectingOurPlanet第5頁/共49頁AnalyticalListeningUnit2ProtectingOurPlanet第6頁/共49頁Listening1ExampleAnswers1.Theduskyseasidesparrowisnowextinct.Whatkindofhabitatdoyouthinkthisbirdlivedin?Thebirdissittingonabranch,soitmusthavelivedinplaceswithtrees.SouthernFloridaisalsoawarmplacewithalotofwetlands.第7頁/共49頁Listening1ExampleAnswers2.Whatdoyouthinkaresomepossiblecausesforitsextinction?Thebirdmayhavebecomeextinctbecauseofhabitatloss,environmentalpollution,ordisease.(It’sasmallbird,sopeoplewouldn’twanttohuntit.)第8頁/共49頁A|Note-Taking.Listentotheguidedtourandcompletethenotes.Besuretousekeywords,abbreviations,andsymbols.Noticetheindentations.AGuidedTourListening1EndangeredSpeciesAct(ESA)—1973Protectsanimalsandtheir________________Ex.:_________________________________Ongoingconflictbetween___________and_________Ex.:_______________________________ESAprotects____________;ranchersfeellawviolates___________habitatssteelheadtroutinWashingtonstatelandownersgovernmentgraywolfinWyomingandIdaholandtheirrights第9頁/共49頁A|Note-Taking.Listening1EndangeredSpeciesTodaySituationtodayis___________thanin19731.____________specieslistedas____________or____________2.Since1973only______speciesremovedfromlist3.BUTonly_______removedbecausetheyrecovered;______becameextinct,otherslistedbymistake4._______morespeciesmaysoonbeaddedtolistworse>1,300endangeredthreatened39149300第10頁/共49頁A|Note-Taking.Listening1ConclusionEvenw/ESAinplace,___________________________________________________________________notmakingmuch

progress第11頁/共49頁Listening1B|ListeningforMainIdeas.Readthequestionsandanswerchoices.Thenlistenagainandchoosethecorrectanswers.UseyournotesfromexerciseAtohelpyou.1.Whatisthemaintopicofthetalk?a.Whytheduskyseasidesparrowbecameextinct.b.Thedifficultiesofprotectingbothanimalsandtheirhabitats.c.ReasonsthattheEndangeredSpeciesActisn’tworking.b第12頁/共49頁Listening1B|ListeningforMainIdeas.Readthequestionsandanswerchoices.Thenlistenagainandchoosethecorrectanswers.UseyournotesfromexerciseAtohelpyou.2.WhatdoestheEndangeredSpeciesActprotect?a.Endangeredanimalsandtheirhabitats.b.Endangeredanimalsbutnottheirhabitats.c.Animalhabitatsbutnotendangeredanimals.a第13頁/共49頁Listening1B|ListeningforMainIdeas.Readthequestionsandanswerchoices.Thenlistenagainandchoosethecorrectanswers.UseyournotesfromexerciseAtohelpyou.3.WhathashappenedsincethepassageoftheEndangeredSpeciesAct?a.Thenumberofspeciesthatareendangeredhasgreatlydecreased.b.Thenumberofspeciesthatareendangeredhasincreasedalot.c.Thenumberofspeciesthatareendangeredhasnotchangedmuch.c第14頁/共49頁P(yáng)riorKnowledge.Discussthequestionswithapartner.Listening21.Ducks,quail,turkeys,andpheasantsarepopularbirdstohunt.Elkanddeerarepopularfour-leggedanimalstohunt.Whatotheranimalsdoyouknowthatarehunted?2.Haveyouevergonehunting?Ifyouhave,didyoulikeit?Ifyouhaven’t,wouldyouliketotryit?Whyorwhynot?第15頁/共49頁Listening2ExampleAnswersDependingontheplace,peoplealsohuntrabbits,squirrels,bears,moose,lions,elephants,alligators,andotheranimals.1.Ducks,quail,turkeys,andpheasantsarepopularbirdstohunt.Elkanddeerarepopularfour-leggedanimalstohunt.Whatotheranimalsdoyouknowthatarehunted?第16頁/共49頁Listening2ExampleAnswer1Yes,Ihave.IlikeditbecauseIenjoybeingoutdoors,anditwasexcitingtolookforananimal,evenifIdidn’tkillone.2.Haveyouevergonehunting?Ifyouhave,didyoulikeit?Ifyouhaven’t,wouldyouliketotryit?Whyorwhynot?第17頁/共49頁Listening2ExampleAnswer2Yes,Ihave.Ididn’tlikeitbecausetherealityofkillingandprocessingananimalforfoodwasunpleasant.2.Haveyouevergonehunting?Ifyouhave,didyoulikeit?Ifyouhaven’t,wouldyouliketotryit?Whyorwhynot?第18頁/共49頁Listening2ExampleAnswer3No,Ihaven’t.IwouldliketogobecauseIwanttolearnhowtouseagunintherightway.2.Haveyouevergonehunting?Ifyouhave,didyoulikeit?Ifyouhaven’t,wouldyouliketotryit?Whyorwhynot?第19頁/共49頁Listening2ExampleAnswer4No,Ihaven’t.Iwouldn’tliketogobecauseIthinkkillinganimalsisverycruel.Besides,IappreciateanimalsandIdon’teatthem.2.Haveyouevergonehunting?Ifyouhave,didyoulikeit?Ifyouhaven’t,wouldyouliketotryit?Whyorwhynot?第20頁/共49頁Listening2ExampleAnswersThewoman(Yumi)speaksinfavorofhunting.Theman(Raoul)speaksagainsthunting.第21頁/共49頁B|Note-Taking.Listenagain.Takenotesonthespeakers’argumentsforandagainsthunting.Alsotakenotesontheirresponsestoeachother’sarguments.Listening2第22頁/共49頁Listening2ExampleAnswersYumi’sArgumentsforHunting?Huntinghelpscontrolanimalpops.?Hunters’licensefeeshelppayforanimalconservation.Raoul’sArgumentsagainstHunting?Somehuntersareirresponsible.?Huntingiscruelandcausespainandsufferingtoanimals.?Thereisalotofillegalhunting.Tobecontinued>>>第23頁/共49頁Listening2ExampleAnswers(Continued)Yumi’sResponsestoRaoul?Naturalpredatorsalsoeatcowsandsheep.?Cowsalsosufferwhentheyarekilledforfood.?Mosthuntersarelawabidingandkillonlywhattheycaneat.Raoul’sResponsestoYumi?Touristscanalsopaytoraisemoneyforanimalconservation.第24頁/共49頁ExampleAnswer1Idothinkthathuntingshouldbeallowedinourarea.Wewouldneedtocreaterulestoprohibitthehuntingofendangeredspecies,andalsotorequirehunterstoonlykilltheanimalsoftherightageandsex,andonlyattherighttimeoftheyear.Listening21.Doyouthinkthathuntingshouldbeallowedinyourarea?Ifyes,whathuntingruleswouldyoumake?Ifno,whynot?第25頁/共49頁Listening21.Doyouthinkthathuntingshouldbeallowedinyourarea?Ifyes,whathuntingruleswouldyoumake?Ifno,whynot?ExampleAnswer2Idon’tthinkthathuntingshouldbeallowedinourareabecausethereisverylittlewildlifeleft,andveryfewwildareaswhereanimalscanlive.Huntingwouldjustbemorepressureonthesurvivalofanimalspecies.第26頁/共49頁ExampleAnswer1Idothinkthegovernmentshouldtrytoconvincemoreyoungpeopletotakeuphuntingbecausebeingoutdoorsteachespeopleaboutnature.Ifpeoplelovenature,theywillbemorewillingtoprotectit.Huntingcanalsobeagoodactivityforfamiliestodotogether.Listening22.Somegroupsbelievethatteachingchildrenandteenagersabouthuntingwillmakethemresponsiblehuntersasadults.Shouldthegovernmenttrytoconvincemoreyoungpeopletotakeuphunting?Whyorwhynot?第27頁/共49頁Listening22.Somegroupsbelievethatteachingchildrenandteenagersabouthuntingwillmakethemresponsiblehuntersasadults.Shouldthegovernmenttrytoconvincemoreyoungpeopletotakeuphunting?Whyorwhynot?ExampleAnswer2Idon’tthinkthegovernmentshouldtrytoconvincemoreyoungpeopletotakeuphuntingbecausehuntingisapracticethatisn’tanecessityinthemodernworld.Peopleshouldeatfoodraisedbyfarmersinsustainableways.Thereisnoneedforustodisturbwildanimalsinhabitatsthataregettingsmallereveryyear.第28頁/共49頁LanguageFunctionIntroducingExamplesWeusemanyexpressionstointroduceexamples.Mostofthemareplaceddirectlybeforetheexample.I’vevisitedmanynationalparks,forexample,ShenandoahandYosemite.There’sawidevarietyofanimalsthere—for

instance,bison(美洲野牛)andwolves.Alligatorsthriveinhabitatssuch

astheEverglades.TheEvergladesishometomanyspeciesofwildlife,includingtheFloridapanther(黑豹)andtheAmericanalligator.Tobecontinued>>>第29頁/共49頁LanguageFunctionIntroducingExamples(Continued)Afewexpressionsmaybeplacedaftertheexamples,especiallyincasualspeeches.I’vevisitedmanynationalparks—ShenandoahandYosemite,forexample.There’sawidevarietyofanimalsthere—bisonandwolves,forinstance.第30頁/共49頁B|

UsingaDictionary.Somewordshavemorethanonemeaning.Withyourpartner,readthesesentencesfromthevideo.Noticetheunderlinedwordsandphrases.Thenreadthedefinitions.Therearetwodefinitionsforeachwordorphrase.Choosethedefinitionthatfitsthesentencefromthevideo.Useyourdictionarytohelpyou.Before

Viewing

1.Theonlychancethemuggerhasinthewildishere,inSriLanka.a.acriminalwhorobsothersinpublicb.acrocodileofsouthernAsiab第31頁/共49頁B|

UsingaDictionary.Before

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2.Iftheydieouthere,they’reprobablygoneforgood.a.forever,permanentlyb.sothatthingswillbebetter3.Thewinnergetstheprize—hispickofthefemales.a.asharp,pointedtoolb.choice4.Muggershavebeenactingoutthisritualformorethan100millionyears.a.aprocedureforareligiousceremonyb.anactivityorbehaviorthathappensoftenabb第32頁/共49頁A|

Note-Taking.Watchthefirstpartofthevideo.Completethenoteswithwordsfromthebox.WhileViewingTobecontinued>>>1.Increased__________populationsless__________foranimals2.India:bigproblemfor___________3.RomWhitakerwantstosavethe___________crocodile.4.Indianwetlandsarenow____________andfarms.humanhabitatscrocodilesmuggerricefields第33頁/共49頁A|

Note-Taking.Watchthefirstpartofthevideo.Completethenoteswithwordsfromthebox.Tobecontinued>>>5.MadrasCrocodileBank—world’slargest_____________pop.ofmuggers6.Can’tletthemgo—noplaceforthemin_____________captiveIndiaWhileViewing第34頁/共49頁B|

Note-Taking.SomeNote-Taking.Watchthenextpartofthevideo.Completethenoteswithoneortwowordsyouhear.thelowlandsafew30RomWhitakerwildWhileViewing第35頁/共49頁A|

Collaboration.Withyourpartner,thinkoffourquestionsyouwouldliketoaskRomWhitakeraboutthefutureofthemuggercrocodiles.After

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第36頁/共49頁ExampleAnswers1.Whydon’twildmuggersliveinIndiaanymore?2.HowdothemuggerssurviveinSriLanka?3.Whyisthemuggers’survivalimportant?4.Isthereanythingpeoplecandotohelpthemuggerssurvive?After

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第37頁/共49頁ExampleAnswers1.Q:Whydon’twildmuggersliveinIndiaanymore?A:Thehabitatisgonenow.India’spopulationhasgrown,andtheformercrocodilehabitatisnowfarmsandricefields.2.Q:HowdothemuggerssurviveinSriLanka?A:Longago,farmersherecreatedlakesandpondsintheforesttoirrigatetheircrops.Thecrocodilescanusethoseashabitatinsteadofnaturalwetlands.After

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Tobecontinued>>>第38頁/共49頁ExampleAnswers(continued)3.Q:Whyisthemuggers’survivalimportant?A:Likeanylarge,predatoryanimal,themuggerplaysanimportantroleintheecosystembypreventingtheoverpopulationofotheranimalspecies.4.Q:Isthereanythingpeoplecandotohelpthemuggerssurvive?A:Peoplecaneducatethemselvesaboutanimalspeciessuchasthisone.Eventhoughthey’renotcute,crocodilesareimportanttolifeonEarth.After

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第39頁/共49頁A|EvaluatingArguments.Readthearguments.Aretheseargumentsfororagainstkeepinganimalsinzoos?WriteFiftheargumentisforzoosorAiftheargumentisagainstzoos.ParticipatingaDebate___1.Animalsdonothaverights,soitisacceptableforpeopletokeeptheminzoos.___2.Zooseducatepeopleabouthowtoprotectendangeredspecies.___3.Inmanyzoos,animalsarekeptinsmallcagesandcannotmovearound.___4.Itcostsalotofmoneytokeepanimalsinzoos.FFAA第40頁/共49頁P(yáng)articipatingaDebate___5.Itisfuntoseeinterestingandunusualanimalsinzoos.___6.Zoosprotectanimalsthatarehuntedillegally,suchasrhinos(犀牛)andelephants.___7.Peoplecanbeeducatedaboutanimalswithoutkeepinganimalsinzoos.___8.Theartificialenvironmentofazooisverystressfulformanyanimals.Theyoftenstopeating.A|EvaluatingArguments.Readthearguments.Aretheseargumentsfororagainstkeepinganimalsinzoos?WriteFiftheargumentisforzoosorAiftheargumentisagainstzoos.FFAA第41頁/共49頁A|

Readthestatements.Thenlistentoaconversationaboutsavingthewhalesandcheck(?)TfortrueorFforfalse.Listening11.Mostspeciesofthebaleenwhalesarenowendangered.2.Anumberofcountriescontinuewithcommercialwhalingsimplybecausethereisnopolicyagainstit.3.Californiagraywhalesarenowextinct.4.Accordingtotheconversation,wecanhelpbydonatingmoneytotheconservationorganizations.TF????????第42頁/共49頁Listening1AnswerKeys1.T2.F(Theyhavechosentoviolatetheruleandcontinuetokillwhales.)3.F(GraywhaleswereremovedfromtheEndangeredSpeciesList.)4.F(Wecanhelpbylearningaboutwhalesandtheirhabitats,donatingourtimetoconservationorganizations,andalteringourbehaviortocreateaslittlewasteaspossible.)第43頁/共49頁B|Readthequestions.Thenlistenagainandcompletethesentenceswithwhatyouhear.Listening11.Theendangeredstatusofwhalesistheresultof____________________inthe19thand20thcenturies,whenwhaleswereexploitedfor_________________.2.Today,threatstowhalesinclude___________,_____________________and___________.3.Whalepopulationsmayrecoverasthe_________________mercialwhalingmeatandoilhuntinghabitatdestructionpollutionconservationeffortsTobecontinued>>>第44頁/共49頁B|Readthequestions.Thenlistenagainandcompletethesentenceswithwhatyou