大学英语视听进阶-2教师手册范本

..大学英语视听进阶2教师手册上海外语教育出版社Unit1onthemenuWarmingUpAnswerKeyAnswerswillvary,butshouldbesupportedbyreasonstoshowthatstudentshaveproperlyconsideredthequestions.Listening1ATheHomeoftheOliveAnswerKeyBeforeYouListenA. 1.separate 2.enhance 3.cultivate 4.harvest 5.produceB. b.thehistoryandbenefitsofoliveoilListeningComprehensionA. 1.d 2.c 3.b 4.d 5.aB. InsidetheMediterraneanRegion:aandd;OutsidetheMediterraneanRegion:b;Both:candeAfterYouListenA. 1.intheprocessof 2.accountedfor 3.associatedwith 4.gettingcancer 5.evidence 6.limitstransfatsto 7.approximatelyB. 1.d 2.a 3.e 4.c 5.bC. 1. Refertothelisteningscript. 2. Answerswillvary,butstudentsmustgiveexamplestosupporttheiranswers.ScriptAnOilforLifeMariaAlcal?ofMadridspeaksformanyMediterraneanpeoplewhenshesaysthat"amealwithoutoliveoilwouldbeabore."NooneknowswhentheMediterraneancivilizationsinitiallyfellinlovewitholives.Thatoccurredbeforerecordedhistory.However,thereisevidencethatthecultivationofolivetreesbeganincountriesaroundtheMediterraneanSeainapproximately4,000B.C.,and2,000yearsafterthatpeopleintheeasternMediterraneanregionbegantoproduceoilfromolives.TheMediterraneanstillaccountsfor99percentofallworldoliveoilproduction.Fromancienttimesuntiltoday,thebasicprocessofproducingtheoilisthesame.First,wholeolivesarecrushed.Then,theliquidisseparatedfromthesolids.Afterthat,thevaluableoilisseparatedfromthewater.Manyolivegrowersmaintaintheirancienttraditionsandstillharvesttheolivesbyhand."We...harvestinthetraditionalway,"saysDonCelso,anolivefarmerfromTuscany,Italy."Itwouldbelessexpensivetodoitwithmachines,butit'smoreasocialthing.Twentypeoplecometohelpwiththeharvest,andwepaytheminoil."TheBenefitsofOliveOilOliveoilhashadavarietyofusesthroughitslonghistory.Inancienttimes,oliveoilwasusedasmoneyandasmedicine.Itwasevenusedduringwar--heatedupanddroppeddownonattackers.Itisstillusedinreligiousceremonies.Itisgreatforprotectingthefreshnessoffishandcheese.Thereareevenoliveoillampsandoliveoilsoaps.OneimportantstudyshowedthatMediterraneanpeoplehavethelowestrateofheartdiseaseamongWesternnations.Thisispartlyassociatedwiththeirfrequentuseofoliveoil.Otherstudieshaveshownthatfoodcookedinoliveoilishealthier,andthateatingoliveoiltwiceadayreduceswomen'sriskofgettingbreastcancer.Theworldisbeginningtounderstanditsbenefits,andoliveoilisnolongeranunusualsightatdinnertablesoutsidetheMediterraneanregion.TheoliveoilproducingcountriesnowselllargeamountsofoliveoiltocountriesinEurope,Asia,Africa,andNorthandSouthAmerica.Oliveoilenhancesthelivesofpeopleeverywhere.Itsbenefits,recentlyconfirmedbyscience,werealreadyunderstoodinancienttimes.Mediterraneanpeoplearehappytosharetheirsecretwiththeworld.A. MultipleChoice. Question1.Whatisthepurposeofthispassage? Question2.WhendidthecultivationofolivetreesbeginaroundtheMediterraneanSea? Question3.Whichstepoccursfirstinoliveoilproduction? Question4.WhichuseofoliveoilisNOTmentionedinthearticle? Question5.Whyhastheauthorincludedinformationaboutseveralstudiesofoliveoil?AfterYouListenScriptTransfatsarespeciallytreatedcookingoilsoftenusedintheprocessofpreparingvariousfoodssoldinrestaurantsandstores.Untilrecently,transfatsaccountedfornearlyallthecookingoilusedinfastfoodrestaurants.Recently,asaresultofhealthstudies,transfatshavebeenassociatedwithhigherratesofheartdiseaseandwithhigherchancesofgettingcancerandotherhealthproblems.Basedonthisnewevidence,oneAmericancityrecentlypassedalawthatlimitstransfatsto,atmost,approximatelyonehalfgraminanyfoodproduct.1BATasteoftheCaribbeanAnswerKeyBeforeYouListenA. Fromtoptobottom:4,5,1,3,2B. 1.Itisasauceorbaseforotherdishes;2.onion,garlic,greenbellpeppers,sweetchilipeppers,cilantro,oliveoil,andoreganoListeningComprehensionA. 1.a 2.b 3.b 4.c 5.bB. 1.T 2.F 3.F 4.F 5.T 6.T 7.FAfterYouListenA. 1.mildnessofthisaspectof 2.relieffromthedeliciousbutspicymaindishes 3.coconut,banana,ormango 4.Colorfullittlesweets 5.layersof 6.holdingacolorfultreasureinaplasticcup 7.traditionalimportedflavorsB. 1.invaded 2.contrasting 3.assumption 4.immigration 5.RemarkablyC. 2.a>andb>Answerswillvary,butstudentsmustgiveexamplestosupporttheiranswers.ScriptSofritoSensationPuertoRico,aCaribbeanislandrichinhistoryandremarkablenaturalbeauty,hasacuisineallitsown.Immigrationtotheislandhashelpedtoshapeitscuisine,withpeoplefromallovertheworldmakingvariouscontributionstoit.However,beforethearrivaloftheseimmigrants,theislandofPuertoRicowasalreadyknownasBorik閚andwasinhabitedbytheTa韓opeople.Ta韓ocuisineincludedsuchfoodsasrodentswithsweetchilipeppers,freshshellfish,yams,andfishfriedincornoil.ManyaspectsofTa韓ocuisinecontinuetodayinPuertoRicancooking,butithasbeenheavilyinfluencedbytheSpanish,whoinvadedPuertoRicoin1508,andAfricans,whowereinitiallybroughttoPuertoRicotoworkasslaves.Ta韓ocookingstylesweremixedwithideasbroughtbytheSpanishandAfricanstocreatenewdishes.TheSpanishextendedfoodchoicesbybringingcattle,pigs,goats,andsheeptotheisland.Africansalsoaddedtotheisland'sfoodculturebyintroducingpowerful,contrastingtastesindisheslikepi駉n?plantainslayeredingroundbeef.Infact,muchofthefoodPuertoRicoisnowfamousfor--plantains,coffee,sugarcane,coconuts,andoranges--wasactuallyimportedbyforeignerstotheisland.AcommonassumptionmanypeoplemakeaboutPuertoRicanfoodisthatitisveryspicy.It'struethatchilipeppersarepopular;aj?caballeroinparticularisaveryhotchilipepperthatPuertoRicansenjoy.However,mildertastesarepopulartoo,suchassofrito.ThebaseofmanyPuertoRicandishes,sofritoisasaucemadefromchoppedonions,garlic,greenbellpeppers,sweetchilipeppers,oregano,cilantro,andahandfulofotherspices.Itisfriedinoilandthenaddedtootherdishes.HowtoMakeaBasicSofritoIngredients1yellowonion;2clovesgarlic;1greenbellpepper;3to4sweetchilipeppers;3cilantro<coriander>leaves;1tablespoonoliveoil;1/4teaspoondriedwholeoreganoDirectionsRemoveskinsfromonionandgarlic.Cleanandpreparegreenbellandsweetchilipeppers.Washinwater.Thenfinelychoptheseingredients,includingthecilantroleaves.Placeaheavy-bottomedpotoverlowheat;addoilandoregano.Addthechoppedingredients.Continuecookingforaboutthreetofourminutes,stirringoccasionally.A. MultipleChoice. Question1.WholivedinPuertoRicofirst? Question2.Whichofthefollowingisamajorpointofthelisteningpassage? Question3.Howmucholiveoilisusedintherecipeforsofrito? Question4.WhichofthefollowingisNOTtrue? Question5.Howissofritoused?ScriptWelcometoaworldofsmall,beautifulworksofartthatyoujustcan'tstopyourselffromeating:theworldofThaisweets.ThemildnessofthisaspectofThaicuisineprovidessomerelieffromthedeliciousbutspicymaindishes.ThebaseofThaisweets--perhapsrice,coconut,banana,ormango--givesthemalovelytastethatsays"Thailand."Colorfullittlesweetsshapedlikebananas,apples,mangoes,andorangesareevenmorebeautifulanddeliciousthantherealthing.Lovelyricecakescalledkanomchanhavelayersofgreen,white,andpink,orareshapedlikeflowers.IfyoutravelthroughThailandonahotday,youmayoccasionallyseeachildholdingacolorfultreasureinaplasticcup.It'sdeliciousThaiflavoredice杗amkangsai.Ifyouprefericecream,coconutisthemostpopularamongThais,althoughtraditionalimportedflavorssuchasvanillaorstrawberryarealsowell-liked.ViewingGreekOlivesAnswerKeyBeforeYouViewA. 1.F 2.T 3.FB. RefertotheVideoSummary.ViewingComprehensionA. 1.F 2.F 3.T 4.F 5.T 6.T 7.TB. 1.aroundolivetreesmostofmylife;severalyearsback 2.likethem;hatethem 3.orderedapizza;hadolivesonit;couldn'ttakeit 4.tastesoldC. 1.Theyaresaidtoofferanolivebranchtoendawar. 2.Youcaneattheolives,makeoilfromolivesandmakeakindofteafromtheleaves. 3.Oliveoilcanbeusedforcooking,forlight,andoccasionallyasmedicine.AfterYouViewA. 1.identify 2.processed 3.civilization 4.evidence 5.remarkable 6.aggressive 7.assumedB. 1.Refertothevideoscript.Answerswillvary. 2.Theanswerswillvary,butmustbebasedonthefactorfacts.ScriptOliveOilNarrator:ThroughoutmuchoftheMediterranean,olivesareanimportantaspectofeverydaylife.WalkthroughanyGreekmarketandyou'llfindevidenceofhowimportanttheyreallyare.Here,ontheislandofNaxos,you'llseethemindifferentsizesandindifferentcolors:green,black,brown...Tourist:"Imustadmit,Iwasaroundolivetreesmostofmylife,anditwasn'tuntilseveralyearsbackthatIfoundoutthegreenoliveandtheblackolivecamefromthesametree."Narrator:Likethistourist,alotofpeopleassumethatblackandgreenolivescomefromdifferenttrees.Infact,mostpeopleprobablywouldn'trecognizeanolivetree.Thistimeofyear,onthehillsofNaxos,theolivetreeshaveflowersonthem.Withoutthefruit,though,thetreeisn'teasytoidentify.ChristinaLefteris,NaxosSchoolofEcology:"Inthisarea,betweenMonitsiaandtheothervillageofMoni,whichisupinthehills,therearesomeoftheveryoldolivetrees."Narrator:Tomakegreenolives,youneedtocollectthemwhentheyarestillyoung.ChristinaLefteris:"Therearesmallonesandsomegiantonesandpeopledecidewhichonestheyprefer.Well,Ilikeallofthem.IthinkIwouldneversaynotoanyolive."Narrator:Noteveryonehasthesamelikingforthem.Tourist:"Idon'tlikethem.Ihatethem."Tourist:"Yesterday,IorderedthispizzawhichhadolivesonitandIcouldn'ttakeit."Tourist:"Ittastesold,ittastesugly."Narrator:It'struethatolivesareold.Sometreeshavebeenaliveforthousandsofyears.Infact,oliveshavebeenanimportantpartoflifeheresincetheearlydaysofGreekcivilization.InGreektradition,Eirene,thegoddessofpeace,isshowncarryinganolivebranch.Eventoday,olivesareassociatedwithpeace.Ifpeoplewanttoendawar,theyaresaidto"offeranolivebranch."KatherinaBolesch,L'OlivieHalki:"Fromtheolivetree,youcanactuallymake...youcanuseeverything.Thereisnothingyouthrowaway."Narrator:KatherinaBoleschownsaremarkableshopinNaxoswhereeverythingismadefromolives.KatherinaBolesch:"Youeattheolives,youmakeoilfromit.Youcanmakeakindofteafromtheleaves."Narrator:OliveoilaccountsformuchofGreece'soliveproduction.Toproducethebestliquid,olivesarecollectedandprocessedoncetheyhavebecomeblack.Thesoonertheyarepressed,thebettertheoil.Usedforcooking,forlight,andoccasionallyasmedicine,theoilisbelievedtogivegoodhealthandlonglifetothosewhouseit.ChristinaLefteris:"They'reveryvaluableforvitamins,andtheiroilsareveryhealthy."Narrator:Andtheolivetreesthemselvesalsohelptogivethelandafeelingofpeace.ChristinaLefteris:"Youcanhavealookaroundandunderstandthatallthesetreesarenotaggressive.Theircolorisalittlesoft,alltheirshapeisquitemild.Somethingthatlastslong,givefruits,Ithinkit'sagoodfeelingofwhatpeacemeans."WritingAnswerKeyA. Refertosummariesofeachlessoninthisunit.B. Apartfromolives,onionalsohashealthbenefits.Therearemanydifferentvarietiesofonion:yellow,red,whiteandgreen,eachwiththeirownuniqueflavor.Onionscanalsobecookedinvariouswaysindifferentcuisinesaroundtheworld.Onionsaregenerallythoughtusefulintreatingcolds,coughsandasthma.InChinesemedicine,doctorsalsouseonionstotreatbacterialinfections.Onionsareagoodresourceofvitamins.Accordingtosomestudies,theycanprotectourheart,lowerthesugarlevelinbloodandevenprotectusfromcancer.Unit2AnimalsandLanguageWarmingUpAnswerKey1. Scientistswhohavestudiedanimalintelligencesaythatprimatessuchaschimpanzeesandgorillastopthelist,followedbydolphins,elephants,andpigs.2. Animalscommunicatewithsounds,bodypositions,andmovements.3. Answerswillvary,butshouldbesupportedbyreasonstoshowthatstudentshaveproperlyconsideredthequestions.Listening2AOceanGiantsAnswerKeyBeforeYouListenA. a.2 b.1 c.3B. Answerswillvary.Humpbackwhalesareintelligent,lighthearted,andactiveatthesurfaceofthewater,andswimclosetoland.ListeningComprehensionA. 1.b 2.d 3.d 4.b 5.bB. 1.b 2.c 3.e 4.d 5.aAfterYouListenA. 1.varietyofsingingwhale 2.marinebiologist 3.probablythemostcomplexintheanimalkingdom 4.asfastas48kilometersperhour 5.huntedthemuntiltheynearlydisappearedlastcentury 6.whichdon'thurtthewhales 7.valuableinformationaboutthewaysbluewhalesswim,eat,andsingB. 1.constantly 2.alarmed 3.harmed 4.awareness 5.unknownScriptSongoftheHumpbackHermanMelville,thewriterofthefamouswhalestoryMobyDick,wrotethathumpbackwhaleswere"themostlightheartedofallthewhales".Afavoriteofwhalewatcherseverywhere,theyswiminoceanareasclosetolandandareactiveatthesurface,oftenjumpingoutofthewaterandcomingdownwithagreatsplash.Theyareintelligentanimalsandcanbeseenworkingtogetherastheyhuntschoolsofsmallfish.And,ifyoulistenclosely,youmightevenhearonesinging.RecordingGentleGiantsMarinebiologistJimDarlinghasstudiedthesongsofhumpbackwhalesfor25years.WhilerecordingwhalesongsonaboatnearHawaii,heinvitedauthorDouglasChadwicktoexperiencedivingwithahumpback.Inthewater,thewayChadwickheardthewhale'ssongschangedcompletely."Suddenly,Inolongerheardthewhale'svoiceinmyears.Ifeltitinsidemyheadandbones."Heclearlysensedthewhale'ssilentawarenessofhim.The13-meter-longgiantlookedhimovercuriously,butneverharmedhim.Thewhalethenswamundertheboat.Itpointeditsheaddowntotheoceanfloorand,withflippersextendedouttoitssides,begantosing.Upintheboat,Darlingrecordedthewhale'ssong.Suchsongsmaybelongandcomplex,lastingfor30minutesormore;theyareperhapsthelongestsongssungbyanyanimal.WhyDoTheySing?Darlingsaysthatonlymalehumpbackssing,butforunknownreasons.Itwaspreviouslythoughtthattheysangtoattractfemales,butscientistsshowedthiswasincorrectwhentheyplayedrecordingsofwhalesongsintheoceanandnofemalescamearound.Anotherideaisthatmalehumpbackscompetewitheachotherusingsongs,justasothermaleanimalsdousingantlers,ortusks.Inadditiontotheirlongandmysterioussongs,humpbacksmakeavarietyofothersoundsastheyinteracteachday.Whenalarmedbyenemiessuchaskillerwhales,orwhenthefeedingisespeciallygood,thesoundstheyproducecanbelouderthananairplaneengine.ABrighterFutureDuringthedaysofheavywhalehunting,theworldhumpbackpopulationwasreducedfromanestimated125,000toaround6,000animals.Thankstolawsagainsthunting,humpbacksnownumberperhaps30,000animals,althoughtheconstantlymovinghumpbacksareverydifficulttocount.However,itnowseemsthatthismysterioussingerwillcontinuetosingforyearstocome.A. MultipleChoice. Question1.Whatisthislisteningpassagemainlyabout? Question2.Whydohumpbackssing? Question3.WhichofthefollowingisNOTmentionedasasituationinwhichhumpbacksmakesounds? Question4.Whichofthesestatementshasbeenshownbyscientiststobeincorrect? Question5.WhichofthefollowingisNOTtrueaccordingtothepassage?ScriptAnothervarietyofsingingwhaleisthebluewhale.Likehumpbacks,bluewhalessingsongsthatmarinebiologistPhillipClaphamdescribesas"probablythemostcomplexintheanimalkingdom."Althoughtheyarethelargestwhalesintheocean,bluewhalescanmoveasfastas48kilometersperhourwheninteractingwithotherwhales.However,thisspeedcouldn'thelpthemescapefromtheirhumanenemies,whohuntedthemuntiltheynearlydisappearedlastcentury.Happily,lawsnowprotectbluewhales,andtheirnumbersareincreasingagain.Curioustoknowmoreaboutthem,NationalGeographicscientistshaveconnectedcamerastobluewhalesintheocean.Thecameras,whichdon'thurtthewhales,havegivenscientistsvaluableinformationaboutthewaysbluewhalesswim,eat,andsing.Thisinformationhelpsscientistsbetterunderstandandprotectbluewhales.2BOurBondwithDogsAnswerKeyBeforeYouListenA. Answerswillvary,butaskstudentstoprovidereasonsfortheirchoicetoshowthestudentshaveproperlyconsideredthequestions.B. 1.Jacques,abeagle 2.Tiffy,aMaltese 3.Jessie,awhippetListeningComprehensionA.1.c 2.b 3.b 4.c 5.aB.1.Tiffy:dande 2.Jacques:c 3.Jessie:b 4.BothJessieandJacques:aAfterYouListenA. RfitfromthespecialskillsoftheotherB.1.acquire 2.obedient 3.talent 4.plenty 5.selectionScriptDogsinaHumanWorldThepartnershipbetweenhumansanddogsbeganperhaps14,000yearsago.Ourfirstinteractionsmayhaveoccurredwhenwilddogswereattractedtohumangarbage,orhumansmayhaveacquiredthepuppiesofwilddogsandtrainedthemtobeobedientpets.Bymeansofthecarefulselectionofdogparents,humanshavebeenabletocreateawonderfulvarietyofdogswithplentyoftalentsandmanydifferentlooks.Herearethreeexamplesof"adog'slife"inthehumanworld.TheworkingdogJacquesisoneofmanybeaglesthatworkatairportsfortheU.S.governmentinaprogramknownastheBeagleBrigade.Beagleswerechosenforthisworkbecauseoftheirpowerfulnoses.Theirjobistosmellandalertofficerstoillegalfruits,vegetables,andotherfoodsinluggageorinmail.Theydothejobfarbetterthanhumanscouldalone.Someofthebeagleswhoworkintheprogramaredonatedbyprivateowners,butmanyareownerlessbeaglesrescuedfromanimalshelters.Manybeagleswhowerescheduledtobeeuthanizedarenowworkingtokeeptheircountrysafefromdisease.TreatedlikeaqueenTiffy,abeautifuleight-poundmalteseistreatedlikeaqueeninNewYorkCity.Herowner,NancyJaneLoewy,carefullyprepareshermealsoflamb,steak,salmon,tuna,chicken,andavarietyoffreshvegetables.Tiffyalsogetslow-fatyogurtandcookiesafterdinner.Why?Loewyreplies,"Ihaveadogbecausethedogneedsme."Leowy,whosehusbandhasahigh-payingjobandwhosetwosonsareawayatschool,hasthetimeandmoneytotreatTiffyextremelywell,andshetrulyenjoysdoingso."Iwanttogiveherthehealthiest,mostwonderfullifepossibleforaslongaspossible."TheanimalcarerJessieisawhippetthatvisitschildrenwhoarefightingdeadlydiseases.Shebrightenspatients'dayswithloveandgiveschildrenachancetoexercise.AttheNationalInstitutesofHealth,JessiehelpspatientslikeyoungLukasParkstostaystrongduringtheirlonghospitalization.Whetherasworkersorobjectsofaffection,dogshavecertainlyproventhemselvestobebeneficialtohumansinmanyways.Atthesametime,theirspecialplaceas"man'sbestfriend"hasalloweddogstosurviveinahumanworld.Whilewolvesandwilddogshavenearlydisappearedfromtheearth,domesticdogscontinuetogrowinnumber,thankstotheirspecialrelationshipwithhumans.A. MultipleChoice. Question1.Whatistheauthor'spurposeinwritingthepassage? Question2.WhichofthefollowingisNOTmentionedinthepassage? Question3.WhichoneisNOTtrueaccordingtothepassage? Question4.WhichoneofthefollowingisNOTareasonLoewytreatsTiffyextremelywell? Question5.Whichdogeatshumanfood?ScriptDogswereprobablyfirstattractedtohumansbythesmellofourgarbage.Nowadays,thegovernmentoftheUnitedStateshasauseforthosepowerfulnosesthatisbeneficialtoallwhoflyinairplanes.AprograminTexastrainsdogstosmellbombsonplanesandinpassengers'luggage.Althoughotherwildanimalsalsohaveanexcellentsenseofsmell,dogsaremucheasiertotrainbecausetheyaredomesticanimalsthatpayattentiontohumans.Thepartnershipbetweendogsandhumansallowseachtoprofitfromthespecialskillsoftheotherastheyworktogethertosavelives.B. Completion.HavestudentsdoActivityB.Then,havestudentscheckanswerswithapartner.C. Talking.1. HavestudentsdoActivity1andselectsometoreadaloudtheirsentences.2. HavestudentsdoActivity2andtellthemthattheiranswerscanvary,buttheymustgiveexamplestosupporttheiranswers.Selectsomestudentstoreporttheirdiscussion.ViewingMan'sBestFriendAnswerKeyBeforeYouViewA. a.2 b.1 c.4 d.3B. RefertoVideoSummary.ViewingComprehensionA. 1.F 2.T 3.T 4.F 5.TB. Refertothevideoscript.Answerswillvary.1.herdlivestocksuchassheep;2.someofthecoldestandmostdangerousplacesonearth;drugsandotherillegalitemsinpeople'sluggage;4.workingwithpeopleinthedistantpast--roughly14,000yearsago.C. 1.Theyneededtoprotecteachotherfromharm 2.Itwasahuntingpartnership 3.Itwasaneedforcompanionship 4.AcombinationoftheabovethreeAfterYouViewA. 1.remarkable 2.obedient 3.collapsed 4.interact 5.companion 6.domesticB. 1.Refertothevideoscript.Answerswillvary. 2.Theanswerwillvary,butmustbebasedonthefactorfacts.ScriptMan'sBestFriendNarrator:Dogsareoftenknownasman'sbestfriend.Manysocietieshavethemaspetsorrelyonthemtoperformavarietyoftasks.Thestoryofmananddogisacomplexstorythatgoesbackthousandsofyearsandwillalmostcertainlygoonforthousandsmore.Dogsinteractwithhumansinavarietyofways.Dogssuchasbordercolliesaretrainedtoherdlivestocksuchassheep.HuskiespullusthroughsomeofthecoldestandmostdangerousplacesonEarth.Dogshaveasenseofsmell1,000timesmorepowerfulthanourown.Thismeanstheycansearchforpeoplewhoarelostunderdeepsnow,orunderthedebrisofacollapsedbuildingordeepintheforest.Beaglesperformtheirdutiesatairports,wheretheirsenseofsmellhelpsthemtofinddrugsandotherillegalitemsinpeople'sluggage.Theyleadtheblindandhelptoeasethelivesofdisabledpeople.Formany,thedogisalsoanobedientcompanion--andfriend.Whendidthisremarkablepartnershipstart?Weknownowthatthewolfbeganworkingwithpeopleinthedistantpast--roughly14,000yearsago.Overtheyears,thewolfbecamethetalenteddomesticpetweknowasthedog.Thereareplentyoftheories,buttherealreasonwhyhumansacquireddogsisstillunknown.Wasitbecausetheyneededtoprotecteachotherfromharm?Wasitahuntingpartnership?Wasitaneedforcompanionship--atypeoffriendship?Orwasitacombinationofthethree?For14,000yearsthedoghasplayedanimportantroleinhumansocieties.It'sapartnershipthat'slikelytocontinueformanyyearstocome.WritingAnswerKeyA. Refertosummariesofeachlessoninthisunit.B. Besidesdogs,humanbeingshaveaclosebondwithelephantsespeciallyinthosetropicalcountries.Notlikedogs,elephantsarenotkeptaspets.Theyhelptotransportlogsfromthejungles.Becauseoftheirhugebuild,humanbeingscanrideonthemandgothroughthejunglesandacrossthestreamseasily.Elephantscanalsobetrainedtoperforminfrontoftouristswhichwillbringthesecountriesalargefortune.Unfortunately,insomedevelopingcountries,manyelephantsgothurtbytheminesplacedduringthewarandbecamedisabled.Sothegovernmentandsomeinternationalsocietiesareworkingtogethertohelpthem.Unit3HistoryDetectivesWarmingUpAnswerKey1.Answerswillvary,butshouldbesupportedbyreasonstoshowthatstudentshaveproperlyconsideredthequestions.2.Researcherslearnaboutthepastfromwrittenrecordsandphysicalremainssuchastheruinsofbuildings,equipmentorpersonalpossessionsthathavesurvived,andsometimeshumanbodies.3.Possibleanswers:Egyptian,Mesopotamian,Greek,Roman,Aztec,andIncan.Theyarefamousfortheirartandarchitecture,includingtheirtombs.Listening3ASecretsofthePharaohsAnswerKeyBeforeYouListenA. Fromtoptobottom:tomb;coffin;mummy;ArcheologistB. Theoriesincludemurder,aninjuryfromwarorahuntingaccident,oraninfectionfromakneefracture.ListeningComprehensionA. 1.c 2.b 3.c 4.a 5.dB. Fromlefttoright:5,2,3,1,4AfterYouListenA. 1.livedveryluxuriouslives 2.complextheoryoflifeafterdeath 3.treatedwithoilandspices,andcoveredinclothtoexcludeanywater 4.testsconductedbyresearchers 5.whethertheyhadanyinjuriesB. 1.infected 2.analysis 3.murder 4.teenagers 5.attachmentC. 2.a>Tellstudentstheymayanswerthequestionbasedontheirknowledge. b>Answerswillvary,butshouldbebasedonthestudents'ownunderstanding.ScriptWasKingTutMurdered?KingTutankhamunwasjustateenagerwhenhedied.HewasthelastkingofapowerfulfamilythathadruledEgyptforcenturies.Whenhediedin1322B.C.,Tut<asTutankhamunisoftenknowntoday>wasplacedinaluxurious,gold-filledtomb.Therehelayforgottenuntilthetomb'seventualdiscoveryin1922.Althoughwenowknowalotabouthislife,thereasonforTutankhamun'sdeathatsuchayoungagehasremainedamystery,withmurderthemostextremepossibility.Now,improvedX-raytechnologyisofferingnewcluesintoKingTut'sdeath.DiscoveredandDamagedTheBritisharcheologistHowardCarteropenedTut'stombin1922.Althoughithadbeenrobbedinancienttimes,itwasstillfullofgoldandotheramazingitems.Carterspentmonthscarefullyrecordingthetreasures.Whenheandhisteam