2025年下半年全国英语等级考试（PETS）四级复习试题库(肇庆)

2025年下半年全国英语等级考试（PETS）四级复习试题库(肇庆)第一部分：听力理解第一节：听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1.M:Iheardyouaregoingto肇庆nextweekforthePETSexam.W:Yes,I’vebookedahotelroomnearthetestingcenter.IwanttomakesureIhaveenoughtimetorest.Q:Whatisthewomangoingtodonextweek?A.TakeavacationinZhaoqing.B.AttendthePETSexam.C.Visitafriendinthetestingcenter.答案：B2.M:Thepriceofthenewtextbookhasincreasedby15%thissemester.W:That’sridiculous.Itwasalreadyexpensiveenough.Maybewecanfindsecond-handcopiesonline.Q:Whatdoesthewomanimply?A.Thetextbookisworththeprice.B.Shewillbuythenewtextbook.C.Shesuggestslookingforusedbooks.答案：C3.M:I’mnotsureifIcanfinishthereportbyFriday.Thedataanalysisistakinglongerthanexpected.W:Whydon’tyouusethenewsoftware?Itcanprocessthedataautomatically.Q:Whatdoesthewomansuggestthemando?A.Askforanextension.B.Usenewsoftwaretospeedupthework.C.Stopworkingonthedataanalysis.答案：B4.M:It’sbeenrainingforthreedaysstraight.Ihatethisweather.W:Lookonthebrightside.Themeteorologistsaidthesunwillcomeouttomorrow,andthetemperaturewillrisetoC.Q:Whatcanwelearnabouttheweather?A.Itwillcontinueraining.B.Itwillbesunnyandwarmertomorrow.C.ThetemperaturewilldroptoC.答案：B5.M:I’mreallystrugglingwiththismathproblem.Theequation+2W:Actually,it’saperfectsquare.Ifyoufactorit,theanswerisquiteobvious.Q:Whatdoesthewomanmean?A.Theequationhasnosolution.B.Theproblemistoodifficult.C.Theequationcanbeeasilyfactored.答案：C第二节：听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。M:Goodmorning,madam.CanIhelpyou?W:Yes,I’dliketocheckin,please.MynameisSarahJenkins.M:Doyouhaveareservation?W:Yes,IbookedasingleroomforthreenightsunderthenameofJenkins.M:Justamoment,please.Yes,hereitis.Asingleroomwithaviewofthelake.CouldIseeyourpassport,please?W:Hereyougo.M:Thankyou.Yourroomisonthe5thfloor,Room508.Hereisyourkey.Theelevatoristoyourright.W:Thankyou.Bytheway,whattimeisbreakfastserved?M:Breakfastisservedfrom7:00amto10:00amintherestaurantonthefirstfloor.W:Andwhataboutthefitnesscenter?M:It’sopen24hoursaday,locatedonthe2ndfloor.W:Perfect.Thankyouverymuch.6.Whatkindofroomdidthewomanbook?A.Adoubleroom.B.Asingleroom.C.Asuite.答案：B7.Whereisthefitnesscenterlocated?A.Onthe1stfloor.B.Onthe5thfloor.C.Onthe2ndfloor.答案：C听第7段材料，回答第8、9题。W:Hi,Tom.Haveyoudecidedwhichelectivecoursetotakethissemester?M:I’mhesitatingbetween"ArtHistory"and"EnvironmentalScience".Whatdoyouthink?W:Well,itdependsonyourinterestandyourmajor.Ifyouwanttorelax,ArtHistoryisgood.ButEnvironmentalScienceismorepractical.M:I’manengineeringmajor.MaybeEnvironmentalScienceismorerelevant.W:Also,ProfessorSmithteachesEnvironmentalScience.Hisclassesareveryengaging.M:Really?Iheardhegivesalotofassignments.W:That’strue,butyoulearnalot.Bytheway,thedeadlineforcourseselectionisthisFriday.M:Okay,IthinkI’llgowithEnvironmentalSciencethen.Thanksforyouradvice.8.Whatistheman’smajor?A.ArtHistory.B.EnvironmentalScience.C.Engineering.答案：C9.WhydoesthewomanrecommendEnvironmentalScience?A.Itisaneasycourse.B.Itisrelevanttotheman’smajorandtheteacherisgood.C.Ithasnoassignments.答案：B听第8段材料，回答第10至12题。M:Welcomebackto"ScienceToday".Today,wearediscussingtheimpactofartificialintelligenceonthejobmarket.OurguestisDr.EmilyChen,aneconomistfromStanfordUniversity.Dr.Chen,welcome.W:Thankyou.It’sapleasuretobehere.M:So,thereisalotofconcernthatAIwillreplacehumanworkers.Isthisfearjustified?W:It’spartiallyjustifiedbutalsoexaggerated.AIwillcertainlyautomaterepetitivetasks,suchasdataentryandbasiccustomerservice.However,italsocreatesnewjobcategoriesthatwecan’tevenimagineyet.M:Canyougiveussomeexamples?W:Sure.WeneedAItrainers,ethicscomplianceofficers,andmaintenancespecialists.Thekeyisthathumansneedtoadaptandlearnnewskills.M:Whatkindofskillsshouldpeoplefocuson?W:Softskillslikecreativity,empathy,andcomplexproblem-solving.Theseareharderformachinestoreplicate.M:Doyouthinkweneedauniversalbasicincome?W:It’sapossibilityworthdiscussing,butIthinkreskillingprogramsaremoreurgentintheshortterm.10.Whatisthemaintopicoftheconversation?A.Thehistoryofartificialintelligence.B.TheimpactofAIonthejobmarket.C.HowtoprogramAI.答案：B11.AccordingtoDr.Chen,whatwillAIdo?A.Replaceallhumanworkers.B.Onlycreatenewjobs.C.Automaterepetitivetasksbutalsocreatenewjobs.答案：C12.WhatskillsdoesDr.Chensuggestpeoplefocuson?A.Codingandmathematics.B.Creativity,empathy,andproblem-solving.C.Physicallaborskills.答案：B听第9段材料，回答第13至15题。W:IrecentlyreadareportabouttheSevenStarCragsinZhaoqing.Itsaidthelimestonepeaksareover400millionyearsold.M:That’sfascinating.I’vealwayswantedtovisitthere.ThelandscapeissupposedtobesimilartoGuilinbutlesscrowded.W:Exactly.ThemainpeakiscalledShishiPeak,whichlookslikeastonepillarpiercingthesky.M:Howhighisit?W:It’sabout608metersabovesealevel.Youcantakeacablecarup,buthikingismorerewardingifyouarefit.M:Ipreferhiking.Isitdifficult?W:It’smoderatelydifficult.Therearesteepsections,buttheviewoftheStarLakeatthetopisbreathtaking.Youcanseethekarstformationsreflectedinthewater.M:Whenisthebesttimetogo?W:Autumnisbest,fromOctobertoNovember.Theweatheriscoolanddry,perfectforoutdooractivities.13.Howoldarethelimestonepeaksmentionedinthereport?A.400yearsold.B.400millionyearsold.C.608yearsold.答案：B14.WhatistheheightofShishiPeak?A.400meters.B.608meters.C.500meters.答案：B15.Whydoesthewomansuggesthiking?A.Itisfasterthanthecablecar.B.Itismorerewardingandoffersagreatview.C.Thecablecarisbroken.答案：B听第10段材料，回答第16至20题。M:Today,I’dliketotalkabouturbanplanninginthe21stcentury.Astheglobalpopulationcontinuestogrow,citiesarefacingunprecedentedchallenges.Oneofthebiggestissuesistrafficcongestion.Toaddressthis,manycitiesareinvestinginpublictransportationinfrastructure,suchassubwaysandlightrailsystems.Anothermajorchallengeishousing.Inmanymetropolitanareas,housingpriceshaveskyrocketed,makingitdifficultforyoungpeopletoaffordahome.Urbanplannersarenowfocusingondevelopingaffordablehousingunitsandpromotingmixed-useneighborhoodswherepeoplecanlive,work,andshopwithoutneedingtodrivelongdistances.Environmentalsustainabilityisalsoatoppriority.Plannersareintegratingmoregreenspaces,suchasparksandcommunitygardens,toimproveairqualityandprovideresidentswithplacestorelax.Furthermore,smartcitytechnologiesarebeingimplementedtooptimizeenergyconsumptionandwastemanagement.Forexample,sensorscandetectwhentrashbinsarefullandschedulepickupsaccordingly.Streetlightscanadjusttheirbrightnessbasedonthepresenceofpedestrians.Thesetechnologiesnotonlysaveenergybutalsoreduceoperationalcosts.Inconclusion,thefutureofurbanplanningliesincreatingsustainable,efficient,andlivablecitiesthatcatertotheneedsofallresidents.Thisrequiresaholisticapproachthatcombinestechnology,policy,andcommunityengagement.16.Whatisoneofthebiggestchallengescitiesarefacing?A.Lackofgreenspaces.B.Trafficcongestion.C.Highcrimerates.答案：B17.Whatarecitiesdoingtosolvetrafficproblems?A.Banningprivatecars.B.Investinginpublictransportation.C.Buildingmoreroads.答案：B18.Whatisthepurposeofmixed-useneighborhoods?A.Toseparateresidentialandcommercialareas.B.Toallowpeopletolive,work,andshoplocally.C.Toincreasethepriceofhousing.答案：B19.Howdoessmartcitytechnologyhelpwithwastemanagement?A.Byrecyclingallwasteautomatically.B.Byusingsensorstoscheduletrashpickups.C.Bybanningplasticbags.答案：B20.Whatisthespeaker’smainpoint?A.Citiesarebecomingtoocrowded.B.Technologyistooexpensive.C.Urbanplanningmustfocusonsustainabilityandefficiency.答案：C第二部分：英语知识运用第一节：单项填空从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。21.Bytheendofnextmonth,thebridgeconnectingthetwodistricts______.A.willbecompletedB.willhavebeencompletedC.iscompletedD.hasbeencompleted答案：B22.Itisgenerallyconsideredthattelevisionisoneofthemostinfluential______ofthe20thcentury.A.inventionsB.inventorsC.inventionD.inventor答案：A23.______,theexperimentwouldhavesucceeded.A.HadhebeencarefulB.IfhewascarefulC.WerehecarefulD.Unlesshewascareful答案：A24.Themanagerdemandedthatthereport______finishedbeforethemeetingbegan.A.beB.wasC.isD.hadbeen答案：A25.Sheisoneofthefewwriterswho______deepinsightintohumannature.A.displaysB.displayC.hasdisplayedD.displaying答案：B26.______isknowntoall,theGreatWallisoneofthewondersoftheworld.A.ItB.AsC.WhichD.That答案：B27.Ididn’thearthephonering.I______asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen答案：B28.Thereason______heexplainedtousforhisabsencewasnotacceptable.A.whyB.thatC.becauseD.forwhich答案：B29.Withalotofdifficultproblems______,thenewly-electedpresidentishavingahardtime.A.settlingB.tosettleC.beingsettledD.settled答案：B30.______fromthetopofthetower,thecitylookslikeabeautifulpainting.A.SeeingB.HavingseenC.SeenD.Tosee答案：C31.Itwasnotuntilshearrivedattheairport______sherealizedshehadleftherpassportathome.A.thatB.whenC.whereD.which答案：A32.Thenumberofthestudentsinourschool______increasinginrecentyears.A.areB.isC.havebeenD.hasbeen答案：D33.Youcan’timagine______whentheyreceivedthesegifts.A.howtheywereexcitedB.howexcitedtheywereC.howexcitedweretheyD.theywerehowexcited答案：B34.______,hecouldnotcoverthedistanceonfoot.A.AshewastiredB.TiredashewasC.HewastiredD.Eventhoughhewastired答案：B35.Thisisthemostinterestingnovel______Ihaveeverread.A.whichB.thatC.whatD.ofwhich答案：B第二节：完形填空阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。Thedevelopmentoftheinternethasrevolutionizedthewaywecommunicate,work,andaccessinformation.However,thistechnologicaladvancementhasalsobroughtaboutsignificantchallenges,oneofthemostpressingbeingtheissueofonlineprivacy.Inthedigitalage,personaldatahasbecomeavaluablecommodity,often(36)______bycorporationsandevenmaliciousactorswithouttheuser'sconsent.Everytimewebrowseawebsite,useasocialmediaapp,ormakeanonlinepurchase,weleavebehindadigitalfootprint.Thisdataincludesourbrowsinghistory,(37)______location,andevenourshoppingpreferences.Whilecompaniesarguethatcollectingthisdataallowsthemtoprovideamore(38)______userexperience,criticsarguethatitisaninvasionofprivacy.Theconsequencesofdatabreachescanbe(39)______.Identitytheft,financialloss,anddamagetoone'sreputationarejustafewpotentialoutcomes.In2024,amajordataleakexposedthepersonalinformationofmillionsofusers,highlightingthe(40)______forstrongercybersecuritymeasures.Toprotectthemselves,usersmustbevigilant.Thisincludesusingstrong,uniquepasswordsfordifferentaccountsandenablingtwo-factorauthentication(2FA)wheneverpossible.2FAaddsanextralayerofsecurityby(41)______asecondformofverification,suchasacodesenttoamobiledevice.Governmentsaroundtheworldarealsotakingaction.RegulationsliketheGeneralDataProtectionRegulation(GDPR)inEuropehavesetstrictrulesonhowdatacanbe(42)______andstored.Theselawsempowerindividualswithmorecontrolovertheirpersonalinformation,grantingthemtherighttoknowwhatdataisheldaboutthemandtherighttohaveit(43)______.However,technologyevolvesrapidly,andlawsoftenstruggletokeep(44)______.Asartificialintelligencebecomesmoreintegratedintoourlives,thepotentialfordataminingincreases.Therefore,maintainingprivacyinthedigitalworldrequiresacontinuous(45)______betweentechnologicalinnovationandtheprotectionofindividualrights.36.A.collectedB.ignoredC.deletedD.hidden答案：A37.A.physicalB.mentalC.geographicD.previous答案：C38.A.boringB.personalizedC.generalD.difficult答案：B39.A.beneficialB.slightC.severeD.positive答案：C40.A.needB.moneyC.timeD.method答案：A41.A.requiringB.refusingC.guessingD.forgetting答案：A42.A.soldB.collectedC.destroyedD.created答案：B43.A.copiedB.soldC.deletedD.published答案：C44.A.awayB.paceC.secretD.balance答案：B45.A.fightB.gapC.balanceD.difference答案：C第三部分：阅读理解第一节：阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。PassageOneTheconceptofemotionalintelligence(EQ)waspopularizedinthemid-1990sbypsychologistDanielGoleman.UnlikeIQ,whichmeasurescognitiveabilities,EQreferstotheabilitytoidentify,understand,andmanageone'sownemotions,aswellastheemotionsofothers.ResearchhasshownthatEQplaysacrucialroleinbothpersonalandprofessionalsuccess.Intheworkplace,individualswithhighEQareoftenbetterleaders.Theyareempathetic,whichallowsthemtounderstandtheirteammembers'needsandmotivations.Thisempathyfostersapositiveworkenvironmentandimprovesteamcohesion.Furthermore,emotionallyintelligentpeoplearebetterathandlingstressandconflict.Insteadofreactingimpulsivelytodifficultsituations,theycanremaincalmandthinkrationallytofindsolutions.EducationalinstitutionsarealsorecognizingtheimportanceofEQ.Schoolsarestartingtoimplementsocial-emotionallearning(SEL)programstohelpstudentsdeveloptheseskillsfromayoungage.Theseprogramsteachchildrenhowtorecognizetheirfeelings,manageanger,andresolveconflictspeacefully.StudiesindicatethatstudentswhoparticipateinSELprogramsnotonlyperformbetteracademicallybutalsoexhibitfewerbehavioralproblems.However,criticsarguethatEQisdifficulttomeasureobjectively.UnlikestandardizedIQtests,thereisnosinglemetricthatcanaccuratelyquantifyaperson'semotionalintelligence.Despitethiscriticism,theconsensusamongmostpsychologistsisthatEQisavaluabletraitthatcanbelearnedandimprovedovertimethroughpracticeandself-awareness.46.Whatisthemaintopicofthepassage?A.ThedefinitionofIQ.B.Theimportanceofemotionalintelligence.C.Howtohandlestressintheworkplace.D.Thehistoryofstandardizedtesting.答案：B47.Accordingtothepassage,whyarepeoplewithhighEQbetterleaders?A.TheyhavehigherIQs.B.Theyareempatheticandunderstandteamneeds.C.Theyreactimpulsivelytoproblems.D.Theyavoidconflict.答案：B48.Whatisthebenefitofsocial-emotionallearning(SEL)programs?A.TheyhelpstudentsgethigherIQscores.B.Theyteachstudentshowtoavoidallnegativeemotions.C.Theyimproveacademicperformanceandreducebehavioralproblems.D.Theyareonlyforfuturepsychologists.答案：C49.WhatisthemaincriticismofEQmentionedinthepassage?A.Itisnotusefulintheworkplace.B.Itcannotbeimproved.C.Itisdifficulttomeasureobjectively.D.ItisthesameasIQ.答案：C50.Whatistheauthor’sattitudetowardsEQ?A.Skeptical.B.Negative.C.Positive.D.Indifferent.答案：CPassageTwoDroughtshavebecomearecurringnightmareforfarmersinCalifornia.Thestate'sagriculturalindustry,whichproducesasignificantportionofthenation'sfruits,nuts,andvegetables,reliesheavilyonirrigation.However,changingclimatepatternsandoveruseofgroundwaterresourceshaveledtoseverewatershortages.Tocombatthis,farmersareadoptingvariousstrategies.Someareswitchingtodripirrigationsystems,whichdeliverwaterdirectlytotherootsofplants,significantlyreducingevaporationandrunoff.Othersareinvestingindrought-resistantcropvarietiesthatrequirelesswatertosurvive.Additionally,thereisagrowingtrendofusingsensorsanddataanalyticstomonitorsoilmoisturelevelsinreal-time,allowingforpreciseirrigationscheduling.Thegovernmenthasalsointervened,imposingrestrictionsonwaterusageincertainareasandofferingfinancialincentivesforfarmerswhoadoptwater-savingtechnologies.Whilethesemeasureshavehelped,thelong-termsolutionrequiresamoreholisticapproach.Thisincludesinvestinginwaterstorageinfrastructure,recyclingwastewater,andpotentiallychangingthetypesofcropsgrownintheregiontothosebettersuitedforanaridclimate.Expertswarnthatifcurrenttrendscontinue,Californiacouldfaceapermanentwatercrisis.Thiswouldnotonlydevastatetheagriculturaleconomybutalsoaffecturbanwatersupplies.Therefore,waterconservationisnolongerjustanoptionforfarmers;itisanecessityfortheentirestate.51.WhatisthemainproblemfacingCaliforniafarmers?A.Laborshortages.B.Pestsanddiseases.C.Watershortagescausedbydroughts.D.Hightaxes.答案：C52.Howdoesdripirrigationhelpfarmers?A.Itincreasestheuseofgroundwater.B.Itdeliverswaterdirectlytorootstoreducewaste.C.Itrequiresmoreenergythantraditionalmethods.D.Itisonlysuitablefordrought-resistantcrops.答案：B53.Whatistheroleofthegovernmentinthiscrisis?A.Banningallagricultureindryareas.B.Providingfreewatertofarmers.C.Imposingrestrictionsandofferingincentives.D.Ignoringtheproblem.答案：C54.Whatdoexpertssuggestaboutthefuture?A.Thedroughtwillendsoon.B.Californiamightfaceapermanentwatercrisis.C.Farmersshouldstopgrowingcrops.D.Urbanareasarenotaffected.答案：B55.WhichofthefollowingisNOTmentionedasasolution?A.Investinginwaterstorage.B.Recyclingwastewater.C.Buildingmoredesalinationplants.D.Changingcroptypes.答案：CPassageThreeThesharingeconomy,characterizedbyplatformslikeUberandAirbnb,hastransformedthewayweaccessgoodsandservices.Byconnectingindividualswhohaveunderutilizedassets(suchascarsorsparerooms)withthosewhoneedthem,theseplatformshavecreatedneweconomicopportunitiesandincreasedefficiency.However,therapidgrowthofthesharingeconomyhasalsodisruptedtraditionalindustries.Taxicompaniesandhotelshavefacedfiercecompetition,leadingtoregulatorybattlesinmanycities.Criticsarguethatsharingeconomyplatformsoftenbypassregulationsthattraditionalbusinessesmustfollow,suchassafetyinspectionsandinsurancerequirements.Thiscreatesanunevenplayingfieldandraisesconcernsaboutconsumerprotection.Furthermore,thesocialimpactofthesharingeconomyiscomplex.Ononehand,itcanfosterasenseofcommunityandtrustamongstrangers.Ontheotherhand,itcancontributetothegentrificationofneighborhoods,aslong-termrentalsareconvertedintoshort-termtouristaccommodations,drivinguphousingpricesforlocalresidents.Despitethesechallenges,thesharingeconomycontinuestoexpand.Newsectors,suchastoolsharingandpeer-to-peerlending,areemerging.Toensuresustainablegrowth,stakeholdersmustworktogethertocreatearegulatoryframeworkthatbalancesinnovationwithconsumersafetyandfaircompetition.Thefutureofthesharingeconomydependsonfindingthisbalance.56.Whatisthesharingeconomy?A.Aneconomybasedongovernmentownership.B.Asystemconnectingpeoplewithunderutilizedassetstothosewhoneedthem.C.Atraditionalmodelofdoingbusiness.D.Asystemwherebankslendmoneytoindividuals.答案：B57.Howhavetraditionalindustriesbeenaffected?A.Theyhavebenefitedfromthecompetition.B.Theyhavebeendisruptedandfaceregulatorybattles.C.Theyhavemergedwithsharingeconomyplatforms.D.Theyhavebeencompletelydestroyed.答案：B58.Whatisamajorcriticismofthesharingeconomy?A.Itistooexpensive.B.Itbypassesregulationsandcreatesunevencompetition.C.Itdoesnotusetechnology.D.Itreducesefficiency.答案：B59.Whatnegativesocialimpactismentioned?A.Increasedcrimerates.B.Lossofcommunityspirit.C.Gentrificationandrisinghousingprices.D.Unemployment.答案：C60.Whatisnecessaryforthefutureofthesharingeconomy?A.Stoppingallinnovation.B.BanningplatformslikeUber.C.Creatingaregulatoryframeworkthatbalancesinnovationandsafety.D.Returningtoatraditionaleconomy.答案：CPassageFourThediscoveryofthestructureofDNAbyJamesWatsonandFrancisCrickin1953isoftenhailedasoneofthemostsignificantscientificbreakthroughsofthe20thcentury.Theirdouble-helixmodelprovidedtheblueprintforunderstandinghowgeneticinformationisstoredandreplicated.Thisdiscoverylaidthefoundationformodernmolecularbiologyandbiotechnology.Overthepastfewdecades,scientistshavedevelopedtechniquestomanipulategenes,leadingtoadvancementsinmedicine,agriculture,andforensicscience.Forexample,theproductionofinsulinusingrecombinantDNAtechnologyhasrevolutionizedthetreatmentofdiabetes.Inagriculture,geneticallymodifiedcropshavebeenengineeredtoresistpestsandtolerateharshenvironmentalconditions,increasingfoodsecurity.However,geneticengineeringalsoraisesethicalandsafetyconcerns.Thepotentialfor"designerbabies,"whereparentsselectspecificgenetictraitsfortheirchildren,hassparkedaheateddebate.Additionally,thelong-termenvironmentalimpactofgeneticallymodifiedorganisms(GMOs)remainsuncertain.Criticsworryaboutunintendedconsequences,suchasthecreationof"superweeds"thatareresistanttoherbicides.Despitethesecontroversies,thefieldofgeneticscontinuestoadvanceatarapidpace.ThedevelopmentofCRISPR-Cas9,apowerfulgene-editingtool,hasmadeiteasierandcheapertomodifyDNAwithhighprecision.Aswemoveforward,itiscrucialtohaverobustethicalguidelinesandpublicdialoguetoensurethatgenetictechnologiesareusedresponsiblyforthebenefitofhumanity.61.WhatwasthesignificanceofWatsonandCrick'sdiscovery?A.Theyinventedthemicroscope.B.Theydiscoveredthedouble-helixstructureofDNA.C.Theycreatedthefirstgeneticallymodifiedcrop.D.Theycureddiabetes.答案：B62.HowhasrecombinantDNAtechnologyhelpedmedicine?A.Itallowsfortheproductionofinsulin.B.Itcuresallgeneticdiseases.C.Itmakessurgeryunnecessary.D.Itcreatesnewvaccinesinstantly.答案：A63.Whatisaconcernregardinggeneticallymodifiedcrops?A.Theyaretooexpensivetogrow.B.Theydonotproduceenoughfood.C.Theymightleadtoenvironmentalissueslikesuperweeds.D.Theyarepoisonoustohumans.答案：C64.WhatisCRISPR-Cas9?A.Anewtypeofinsulin.B.Agene-editingtool.C.Ageneticallymodifiedcrop.D.Atypeofsuperweed.答案：B65.Whatdoestheauthoremphasizeforthefuture?A.Ignoringethicalconcerns.B.Banningallgeneticresearch.C.Establishingethicalguidelinesandpublicdialogue.D.Focusingonlyonagriculture.答案：C第二节：补全文章阅读下面的短文，从短文后所给的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。TheancientcityofPetra,locatedinsouthernJordan,isfamousforitsrock-cutarchitectureandwaterconduitsystem.(66)______.Itisoftenreferredtoasthe"RoseCity"becauseofthecolorofthestonefromwhichitiscarved.PetrawasthecapitaloftheNabataeanKingdomandservedasamajortradinghub.(67)______.Thecity'sabilitytocontrolwaterresourcesallowedittoflourishinthedesertenvironment.Theybuiltdamsandcisternstostorewaterduringtherainyseason.OneofthemosticonicstructuresinPetraisAl-Khazneh,orTheTreasury.(68)______.Itfeaturesamagnificentfacadecarveddirectlyintothesandstonecliff.Contrarytoitsname,itdidnotactuallyholdtreasurebutwaslikelyatempleoratomb.Thecitywasabandonedinthe7thcenturyADandremainedunknowntotheWesternworlduntil1812.(69)______.Sincethen,ithasbecomeoneofthemostvisitedtouristattractionsintheMiddleEast.In1985,PetrawasdesignatedaUNESCOWorldHeritageSite.(70)______.ItstandsasatestamenttotheingenuityandartisticskilloftheNabataeans.A.Thisrecognitionhighlightsitsculturalandhistoricalsignificance.B.ItwasrediscoveredbySwissexplorerJohannLudwigBurckhardt.C.Thecityisentirelymadeofwood.D.ItsitsinanarrowvalleycalledtheSiq.E.MerchantspassedthroughPetracarryingspicesandsilkfromArabiaandbeyond.F.TheTreasuryisamodernbuildingbuiltinthe20thcentury.G.NooneknowswhobuiltPetra.66.D67.E68.B(Correction:ThetextdescribestheTreasury.Thesentence"Itwasrediscovered..."fitsthecontextofabandonmentbetterin69.Let'sre-evaluate.)Wait,let'smapthelogic.(66)Context:IntroductiontoPetra."ItsitsinanarrowvalleycalledtheSiq"fitsgeographically.->D(67)Context:Tradinghub."MerchantspassedthroughPetracarryingspices..."fits.->E(68)Context:Al-Khazneh."Itfeaturesamagnificentfacade..."fits.->(TheoptionsareA,B,C,F,Gleft).Let'slookattheoptionsagain.A.UNESCOstatus(fitsnearend).B.Rediscoveredin1812(fitsafter"abandoned...until1812").C.Madeofwood(False).F.Modernbuilding(False).G.Nooneknows(False).Wait,Imissedasentenceintheoptionslistgenerationorneedtofitthembetter.Let'scheckthegap(68).Thetextsays:"OneofthemosticonicstructuresinPetraisAl-Khazneh,orTheTreasury.(68)______.Itfeaturesamagnificentfacade..."Themissingsentenceshouldconnectthenametothedescription.Actually,lookingattheprovidedoptionsA-Ginthepromptgeneration(Ineedtogeneratethemaspartofthetest).Let'sassumethecorrectoptionsare:A.Thisrecognitionhighlightsitsculturalandhistoricalsignificance.B.ItwasrediscoveredbySwissexplorerJohannLudwigBurckhardt.C.Thecityisentirelymadeofwood.(Distractor)D.ItsitsinanarrowvalleycalledtheSiq.E.MerchantspassedthroughPetracarryingspicesandsilkfromArabiaandbeyond.F.Thisimpressivestructureisbelievedtobeamausoleum.(Ineedtogeneratearelevantoptionfor68).G.TheNabataeanswereskilledengineers.(Distractor).Let'srefinetheoptionsforthefinaloutputtoensuretheyfitperfectly.66.D(Location)67.E(Trade)68.F(DescriptionofTreasury-Iwillcre