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1、SECTION7Thepassagesbelowarefollowedbyquestionsbasedontheircontent;questionsfollowingapairofrelatedpassagesmayalsobebasedontherelationshipbetweenthepairedpassages.Answerthequestionsonthebasisofwhatisstatedorimpliedinthepassagesandinanyintroductorymaterialthatmaybeprovided.Que
2、stions9-11arebasedonthefollowingpassages.Passage1Caveshavealwayshauntedtheimagination.TheancientGreeksshudderedattalesofCerberus,thethree-headeddogguardingtheentrancetoHades,andcountlesslegendsandHollywoodfantasiesincludeaspine-tinglingstaple:unknowncreatureslurkinginthenext
3、claustrophobiccorridor,hungryandwaitingforvisitors.Nowitturnsoutthatbizarre,voraciousdenizensoftheunderworldarcnotwhollyimaginary.Biologistsslitheringintoeverdeeper,tighterrecessesarecomingface-to-facewithafast-growinglistofcave-dwellingspiders,centipedes,leeches,mites,scorp
4、ions,beetles,fish,snails,worms,andsalamanders,alongwiththickbedsofbacteriaandfungithatsometimesmakealivingofftheveryrocks.Passage2Fivehundredfeetbelowthebright-greenrainforest,myfellowcavediverslipsintothedark-greenwatersofaHoodedcavepassagecalledTunkulSump.Loadedwithlightsa
5、ndtwoscubatanks,heunreelsathinwhitenyloncord,hislifelinebackfromtheunexploredpassage.Isitnearthesumpandwait.It'sApril30.1999.mysixthexpeditiontotheChiquibulcavesysteminBelizeandGuatemala.OneachtripHeelI'mopeningbooksinanundergroundlibrarythathaspreservedrecordsofdramaticclim
6、atechangeovertime,ofthelivesoftheancientMayawhoonceusedthesecaves,andofnumerousanimalspecies,livingandextinct.9.BothPassage1andPassage2indicatethatcavesarehometo(A)fossilizedremains(B)sedimentaryrocks(C)mythologicalcreatures(D)ancienthumanartifacts(E)multipleanimalspecies10.
7、Theauthorsofbothpassageswouldmostlikelyagreethatcaves(A)wereleftunexploredduetothedangersinvolved(B)arethreatenedbyexcessiveexploration(C)continuetoyieldnewdiscoveries(D)provideinformationaboutancientcivilizations(E)fuelpeople'sfearsabouttheunderworld11.ThelastsentenceofPass
8、age2servesprimarilyto(A)showtheextenttowhichtheclimateoftheareahaschanged(B
