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北京市英语高二上学期期中模拟试卷及答案指导一、听力第一节(本大题有5小题,每小题1.5分,共7.5分)1、Whatarethespeakersmainlydiscussing?A.Theimportanceofstudyingabroad.B.Thechallengesofadaptingtoanewculture.C.Thebenefitsoflearninganewlanguage.Answer:BExplanation:Theconversationbetweenthetwospeakersfocusesonthedifficultiesoneofthemisfacinginadaptingtothenewcultureintheirstudyabroadprogram.Thespeakersmentionculturaldifferences,languagebarriers,andadjustingtodailylifeaschallenges.2、Howdoesthemanfeelaboutthegroupproject?A.Heisexcitedtoworkwithhisfriends.B.Heisworriedaboutmeetingthedeadlines.C.Hethinksit’sagoodopportunitytoimprovehisteamworkskills.Answer:BExplanation:Themanexpresseshisconcernsaboutthegroupprojectbymentioningthetightdeadlinesandtheneedtodividetheworkeffectively.Hedoesnotmentionexcitementortheopportunitytoimproveteamworkskills;instead,hisfocusisonthepotentialdifficultiesinmanagingtheprojectwithinthegiventimeframe.3、Youwillhearashortconversationbetweentwostudentsdiscussingtheirstudyplan.Listencarefullyandchoosethebestanswertothequestionthatfollows.Question:Howdothestudentsplantostudyfortheupcomingexam?A.Theywillstudytogetherinagroup.B.Eachwillstudyindividually.C.Theywilltakeabreakandthenstudy.D.Theywillasktheteacherforextrahelp.Answer:A
Explanation:Theconversationendswiththestatement,“Whydon’twestudytogetherinagroup?”indicatingthattheyplantostudytogetherinagroup.4、Youwillhearashortlectureaboutthebenefitsofexercise.Listencarefullyandanswerthequestionthatfollows.Question:Whatisoneofthemainbenefitsofregularexercisementionedinthelecture?A.Improvedacademicperformance.B.Enhancedmentalhealth.C.Increasedincomepotential.D.Longerlifespan.Answer:B
Explanation:Thelecturerspecificallymentionsthatregularexercisecanleadtoenhancedmentalhealth,reducingstressandimprovingmood.5.Youwillhearaconversationbetweentwofriendsdiscussingtheirupcomingvacationplans.Listencarefullyandanswerthequestion.Whatisthetotalnumberofdaystheyplantostayatthebeachresort?A.5daysB.7daysC.10daysD.12daysAnswer:B.7daysExplanation:Intheconversation,oneofthefriendsmentionsthattheyhavealreadybookedabeachresortfor7days.Therefore,thecorrectansweris7days.二、听力第二节(本大题有15小题,每小题1.5分,共22.5分)1、Listentothefollowingconversationandchoosethebestanswertothequestionyouhear.W:Hi,John.Howwasyourweekend?M:Itwasprettygood,actually.Iwenthikingwithagroupoffriends.Weclimbedupamountainandhadagreatview.Q:WhatdidJohndoovertheweekend?A.Hewenthiking.B.Hewenttothebeach.C.Hestayedathome.D.Hewentshopping.Answer:A
Explanation:ThequestionasksaboutwhatJohndidovertheweekend.Intheconversation,Johnsays,“Iwenthikingwithagroupoffriends,”whichindicatesthathewenthiking.2、Listentothefollowingdialogueandfillintheblankwiththecorrectwordyouhear.M:Hey,Lisa,haveyoufinishedyourscienceprojectyet?W:Notyet,butI’malmostdone.Ijustneedtowritetheconclusion.M:That’sgoodtohear.Bytheway,howareyoudoingwithyourhistoryassignment?W:Oh,it’sgoingwell.I’vedonemostoftheresearch,butIstillneedtoorganizealltheinformation.M:Isee.Well,remembertoproofreadyourworkbeforeturningitin.Andbytheway,haveyoudecidedonyourtopicfortheEnglishpresentation?W:Yes,I’mplanningtotalkabouttheimpactofsocialmediaonteenagers.M:Thatsoundsinteresting.Goodluckwithallyourprojects.Fillintheblank:__________Answer:proofread
Explanation:TheblankneedstobefilledwiththewordthatLisaneedstodobeforeturninginherwork.Inthedialogue,Johnmentions,“Well,remembertoproofreadyourworkbeforeturningitin,”whichindicatesthatLisaneedstoproofreadherwork.3.Youwillhearaconversationbetweentwostudents,discussingtheirupcomingsciencefairproject.Listenandchoosethecorrectanswer.Theyareplanningtobuildasolar-poweredcar.Theyaregoingtocreateanewtypeofbiodegradableplastic.Theyaredesigningawaterpurificationsystem.Theyareplanningaspacemissionsimulation.Answer:C)Theyaredesigningawaterpurificationsystem.Explanation:Intheconversation,thestudentsmentionthattheirprojectisrelatedtowaterpurification,whichisclearlystatedastheirfocus.4.Youwillhearanewsreportaboutanewstudyontheeffectsofclimatechangeonanimalhabitats.Listenandanswerthequestion.Question:Whatisthemainfindingofthestudy?Climatechangehasnosignificantimpactonanimalhabitats.Animalhabitatsarebecomingmorediverseduetoclimatechange.Manyanimalspeciesareatriskofextinctionduetoclimatechange.Animalmigrationpatternsarenotaffectedbyclimatechange.Answer:C)Manyanimalspeciesareatriskofextinctionduetoclimatechange.Explanation:Thenewsreporthighlightsthestudy’sfindings,whichindicatethatthechangingclimateisputtingmanyanimalspeciesatriskofextinction.Thisisthemainfocusofthereport.5.Youhearaconversationbetweentwostudentsdiscussingtheirweekendplans.W:Hey,John,areyouplanningtogoanywherethisweekend?M:Yeah,Iwasthinkingofvisitingmygrandparentsinthecountryside.Howaboutyou,Sarah?W:Oh,I’mstayinghereintown.Iwanttocatchuponsomereadingandmaybegoforawalkinthepark.Question:WheredoesSarahplantobethisweekend?
A)Visitinggrandparents
B)Stayingintown
C)Goingforawalkinthecountryside
D)ReadinginthelibraryAnswer:B)StayingintownExplanation:Intheconversation,Sarahmentions,“I’mstayinghereintown,”indicatingthatshehasnoplanstoleavethetownthisweekend.6.Youhearanewsreportaboutanewinitiativeinthecommunity.NewsAnchor:Accordingtothelatestreport,thecitycouncilhasapprovedanewinitiativeaimedatreducingtrafficcongestion.Theyplantointroduceaseriesofnewmeasures,includingexpandingpublictransportationoptionsandimplementingacar-sharingprogram.Question:Whatisthemainfocusofthenewinitiative?
A)Expandingpublictransportation
B)Implementingacar-sharingprogram
C)Reducingtrafficcongestion
D)BuildingnewroadsAnswer:C)ReducingtrafficcongestionExplanation:Thenewsreportstates,“Theyplantointroduceaseriesofnewmeasures,includingexpandingpublictransportationoptionsandimplementingacar-sharingprogram,”whichisaimedatreducingtrafficcongestion.Therefore,themainfocusisontrafficcongestionreduction.7、Youwillhearaconversationbetweentwostudentsdiscussingtheirweekendplans.Listenandanswerthefollowingquestion.Question:WhatactivitydothetwostudentsplantodoonSaturdayafternoon?
A)Goshopping
B)Visitamuseum
C)Gotoamovie
D)GohikingAnswer:B)Visitamuseum
Explanation:Intheconversation,onestudentmentionsthattheysawaninterestingexhibitatthemuseumandsuggestsvisitingitonSaturdayafternoon.Theotherstudentagrees,indicatingthattheyplantogotothemuseum.8、Youwillhearashortinterviewwithaprofessordiscussinganewstudyonsleeppatterns.Listenandanswerthefollowingquestion.Question:Accordingtotheprofessor,whatisthemosteffectivewaytoimprovesleepquality?
A)Takeanapintheafternoon
B)Exerciseregularly
C)Avoidcaffeineintheevening
D)UseawhitenoisemachineAnswer:C)Avoidcaffeineintheevening
Explanation:Theprofessorexplainsthatwhilealltheoptionscancontributetobettersleep,avoidingcaffeineintheeveningisthemosteffectivebecauseithelpspreventsleepdisturbances.9.Youwillhearaconversationbetweentwostudentsdiscussingtheirstudyplans.Listencarefullyandanswerthefollowingquestion.Question:Whatsubjectdobothstudentsagreetostudytogetherafterschool?A.MathematicsB.HistoryC.ScienceD.LiteratureAnswer:A解析:Intheconversation,thestudentsmentionthattheywillstudyformathematicstogetherafterschool,indicatingthatbothagreeonstudyingmathematics.10.Youwillhearashortinterviewwithaprofessionalabouttheimportanceofreading.Listencarefullyandanswerthefollowingquestion.Question:Accordingtotheinterviewee,whatisthemainbenefitofreadingforstudents?A.ImprovedwritingskillsB.EnhancedcriticalthinkingC.BettertimemanagementD.IncreasedvocabularyAnswer:B解析:Intheinterview,theprofessionalemphasizesthatreadinghelpsstudentstodevelopcriticalthinkingskills,whichisthemainbenefithighlightedforstudents.11.You’llhearaconversationbetweentwostudentsdiscussingtheirweekendplans.Listenandanswerthequestion.Question:WhatactivitydoesthesecondstudentplantodoonSunday?
A)Gotothemovies
B)Visitamuseum
C)Gohiking
D)HaveasleepoverAnswer:C)GohikingExplanation:ThesecondstudentmentionsthattheyareplanningtogohikingonSundaywithsomefriends,whichisindicatedbythesentence“I’mthinkingofgoinghikingwithafewfriendsthisSunday.”12.Listentoashortdialoguebetweenateacherandastudentaboutaschoolproject.Answerthefollowingquestion.Question:Whatisthemainissuethestudentisfacingwiththeirproject?
A)Theyneedmoretimetocompleteit.
B)Theyarenotsureaboutthetopic.
C)Theyarestrugglingwiththeresearch.
D)Theyhavelosttheirnotes.Answer:C)Theyarestrugglingwiththeresearch.Explanation:Thestudentexpressesconcernabouttheresearchpartoftheproject,saying“I’mhavingahardtimefindinggoodsourcesformyresearch,”whichindicatesthatthemainissueistheresearchaspectoftheproject.13.W:Iheardyou’regoingtovisityourgrandparentsinthecountrysidethisweekend.Howwastheirhouse?M:Itwasquitecozy,butsmallerthanIremembered.Theystillhaveasmallgardenwheretheygrowtheirownvegetables.Q:Whatdoesthemansayabouthisgrandparents’house?A:Itissmallerthanheremembered.
B:Itisverymodern.
C:Itiscozyandbig.
D:Ithasabiggarden.Answer:A
Explanation:Themanmentionsthatthehouseis“smallerthanIremembered,”whichmeansitissmallerthanhehadexpected.14.W:Ican’tbelieveit’salreadyNovember.It’sbeensuchabusymonthforme.M:Yes,Iknow.You’vebeenworkingextrahoursandtakingcareofyourlittlebrotheraswell.Howareyoufeeling?Q:Whatdoesthemanimplyaboutthewoman?A:Sheisworkingtoohard.
B:Sheshouldtakeabreak.
C:Sheisfeelingsad.
D:Sheisdoingwell.Answer:A
Explanation:Themanmentionsthatthewomanhasbeen“workingextrahours”and“takingcareofherlittlebrother,”whichsuggeststhatshehasbeenverybusyandworkinghard.15、(Audioclipdescribesascenariowhereastudentisexplainingtheirchoicetojoinanewafter-schoolclub.)Question:Whatclubdidthestudentdecidetojoin?A.TheDebateClubB.TheChessClubC.TheDramaClubCorrectAnswer:C.TheDramaClubExplanation:Intheaudioclip,thestudentmentionsthatthey’vealwayshadapassionforactingandthatthey’reexcitedabouttryingoutfortheschoolplaythisyear.ThisindicatesthatthestudentdecidedtojointheDramaClub.三、阅读第一节(第1题7.5分,其余每题10分,总37.5分)第一题Readthefollowingpassageandanswerthequestionsthatfollow.Thefollowingarticlediscussesthebenefitsofexerciseonmentalhealth.Passage:Inrecentyears,researchershavebeenincreasinglyinterestedintheimpactofexerciseonmentalhealth.Exercisehaslongbeenknowntoimprovephysicalfitnessandreducetheriskofchronicdiseases,butitseffectsonthemindhaveonlyrecentlycometolight.Studieshaveshownthatregularphysicalactivitycanhaveasignificantpositiveeffectonmentalhealth,reducingsymptomsofanxietyanddepression,improvingcognitivefunction,andenhancingoverallwell-being.Oneofthekeyreasonsforthisisthereleaseofendorphins,whicharechemicalsproducedbythebrainthatactasnaturalpainkillersandmoodelevators.Whenweexercise,thesechemicalsarereleased,whichcanleadtoasenseofhappinessandrelaxation.Additionally,exercisecanhelptoreducelevelsofstresshormones,suchascortisol,whichareassociatedwithnegativeemotionalstates.Anotherimportantfactoristhesocialaspectofexercise.Participatingingroupsports,attendingfitnessclasses,orsimplywalkingwithafriendcanprovideasenseofcommunityandbelonging,whichcanbeincrediblybeneficialformentalhealth.Thephysicalactivityitselfcanalsoserveasaformofmeditation,allowingindividualstofocusontheirmovementsandcleartheirmindsofstressandworries.Furthermore,regularexercisehasbeenlinkedtoimprovedcognitivefunction.Studieshaveshownthatindividualswhoengageinregularphysicalactivityhavebettermemory,attention,andproblem-solvingskills.Thisisthoughttobeduetotheincreasedbloodflowtothebrain,whichcanenhanceneuralconnectionsandimprovebrainhealth.Questions:1、Whatisthemaintopicofthepassage?A.ThehistoryofexerciseB.ThephysicalbenefitsofexerciseC.ThementalhealthbenefitsofexerciseD.Thesocialaspectsofexercise2、WhichofthefollowingisNOTmentionedasabenefitofexerciseinthepassage?A.ReductionofstresshormonesB.ImprovedmemoryandattentionC.EnhancedneuralconnectionsD.Increasedriskofchronicdiseases3、Whatroledoendorphinsplayinthementalhealthbenefitsofexercise?A.Theyactasnaturalpainkillersandmoodelevators.B.Theyreducelevelsofcortisol.C.Theyprovideasenseofcommunityandbelonging.D.Theyimprovecognitivefunction.4、Howdoesexercisecontributetoimprovedcognitivefunctionaccordingtothepassage?A.Byreducinglevelsofstresshormones.B.Byincreasingbloodflowtothebrain.C.Byprovidingasenseofcommunityandbelonging.D.Byservingasaformofmeditation.Answers:1、C2、D3、A4、B
SecondQuestion:ReadingComprehensionPartIReadthefollowingpassagecarefullyandthenanswerthequestionsthatfollow.Youmayrefertothepassagewhenansweringthequestions.PassageTitle:TheDigitalDivideIntoday’sinterconnectedworld,accesstotheInternetisoftenconsideredasfundamentalasaccesstobasicutilitieslikewaterorelectricity.However,thereisagrowingconcernaboutthedigitaldivide,whichreferstothegapbetweenthosewhohavereadyaccesstocomputersandtheInternet,andthosewhodonot.Thisdisparitycanbeobservedbothwithincountriesandacrossdifferentregionsoftheworld.OneofthemostsignificantbarrierstoInternetaccessiseconomic.Inmanycases,peoplesimplycannotaffordthenecessaryhardware,suchasacomputerorsmartphone,ortherecurringcostofanInternetconnection.Indevelopingcountries,thisproblemisexacerbatedbyloweraverageincomesandhigherrelativecostsforInternetservices.Moreover,evenwhenInternetaccessisavailable,lackofdigitalliteracycanpreventindividualsfromtakingfulladvantageofonlineresources.GovernmentsandNGOsaroundtheglobeareincreasinglyrecognizingtheimportanceofbridgingthedigitaldivide.Initiativesaimedatprovidingfreeorlow-costInternetaccess,trainingprogramstoenhancedigitalliteracy,andeffortstoimproveinfrastructureinunderservedareasareallpartofabroaderstrategytoensureequitableaccesstoinformationandcommunicationtechnologies.Theimpactofthedigitaldivideextendsbeyondjustaccesstoinformation.Itaffectseducation,jobopportunities,andsocialinclusion.StudentswithoutInternetaccessathomefacechallengescompletinghomeworkassignmentsthatrequireonlineresearch.Jobseekersmightmissoutonopportunitiesiftheycannotsubmitapplicationsorresumeselectronically.Socially,thosewithoutInternetaccessmayfeelisolatedfromcommunitiesthatincreasinglyrelyondigitalplatformsforcommunication.Addressingthedigitaldivideiscrucialforpromotingequalityandinclusivityinthemodernworld.Itrequiresamulti-facetedapproachinvolvingpolicychanges,investmentintechnology,andcommunityengagementtoensurethateveryonehastheopportunitytoparticipatefullyinthedigitalage.1.Whatdoestheterm“digitaldivide”referto?
Answer:ThegapbetweenthosewhohavereadyaccesstocomputersandtheInternet,andthosewhodonot.2.NameoneofthemainreasonswhypeoplemightnothaveaccesstotheInternet.
Answer:Economicbarriers;peoplecannotaffordthehardwareorrecurringcostsofanInternetconnection.3.Accordingtothepassage,whataresomeinitiativesbeingtakentobridgethedigitaldivide?
Answer:Providingfreeorlow-costInternetaccess,trainingprogramstoenhancedigitalliteracy,andimprovinginfrastructureinunderservedareas.4.Howdoesthedigitaldivideaffecteducation?
Answer:StudentswithoutInternetaccessathomefacechallengescompletinghomeworkassignmentsthatrequireonlineresearch.
{“code”:“passage=’’‘\nTitle:TheDigitalDivide\n\nIntoday’sinterconnectedworld,accesstotheInternetisoftenconsideredasfundamentalasaccesstobasicutilitieslikewaterorelectricity.However,thereisagrowingconcernaboutthedigitaldivide,whichreferstothegapbetweenthosewhohavereadyaccesstocomputersandtheInternet,andthosewhodonot.Thisdisparitycanbeobservedbothwithincountriesandacrossdifferentregionsoftheworld.\n\nOneofthemostsignificantbarrierstoInternetaccessiseconomic.Inmanycases,peoplesimplycannotaffordthenecessaryhardware,suchasacomputerorsmartphone,ortherecurringcostofanInternetconnection.Indevelopingcountries,thisproblemisexacerbatedbyloweraverageincomesandhigherrelativecostsforInternetservices.Moreover,evenwhenInternetaccessisavailable,lackofdigitalliteracycanpreventindividualsfromtakingfulladvantageofonlineresources.\n\nGovernmentsandNGOsaroundtheglobeareincreasinglyrecognizingtheimportanceofbridgingthedigitaldivide.Initiativesaimedatprovidingfreeorlow-costInternetaccess,trainingprogramstoenhancedigitalliteracy,andeffortstoimproveinfrastructureinunderservedareasareallpartofabroaderstrategytoensureequitableaccesstoinformationandcommunicationtechnologies.\n\nTheimpactofthedigitaldivideextendsbeyondjustaccesstoinformation.Itaffectseducation,jobopportunities,andsocialinclusion.StudentswithoutInternetaccessathomefacechallengescompletinghomeworkassignmentsthatrequireonlineresearch.Jobseekersmightmissoutonopportunitiesiftheycannotsubmitapplicationsorresumeselectronically.Socially,thosewithoutInternetaccessmayfeelisolatedfromcommunitiesthatincreasinglyrelyondigitalplatformsforcommunication.\n\nAddressingthedigitaldivideiscrucialforpromotingequalityandinclusivityinthemodernworld.Itrequiresamulti-facetedapproachinvolvingpolicychanges,investmentintechnology,andcommunityengagementtoensurethateveryonehastheopportunitytoparticipatefullyinthedigitalage.\n’’’;print(passage)”}第三题ReadingPassageInthesmalltownofGreenfield,thelocallibraryhasbeenacornerstoneofthecommunityforoveracentury.Knownforitsvastcollectionofbooksanditsfriendlystaff,thelibraryhasseenmanychangesovertheyears.Oneofthemostsignificantchangescameinthe1990swhenthelibrarydecidedtodigitizeitscollection,makingitaccessibletoresidentsbothintownandthoselivinginsurroundingareas.Theprojecttodigitizethelibrary’scollectionwasnotwithoutitschallenges.Thefirstchallengewasfindingtherighttechnologytoscanandstorethebooks.Thelibrary’sdirector,Mr.
Thompson,traveledtoseveraltechnologyconferencestofindthebestsolution.Heeventuallypartneredwithacompanythatspecializedinlibrarydigitization.Thesecondchallengewasensuringthatthedigitizedbookswereeasilyaccessibletoallresidents.Thelibrarystaffworkedtirelesslytocreateanonlineportalwhereresidentscouldaccessthecollectionfromtheirhomes.Theyalsotrainedvolunteerstohelpthosewhowerenotcomfortablewithtechnology.Thethirdchallengewaspreservingthelibrary’soriginalcollection.Thelibrarystaffwascarefultohandlethebookswiththeutmostcareduringthedigitizationprocess.Theyalsokeptdetailedrecordsofeachbook’sconditionbeforeandafterthedigitization.Thedigitizationprojectwasaresoundingsuccess.Residentsfromallovertheregionpraisedthelibraryformakingitscollectionmoreaccessible.Thelibrary’sdirector,Mr.
Thompson,wasparticularlypleasedwiththenumberofnewpatronswhohadregisteredtousetheonlineportal.1、Whatwasthemaingoalofthelibrary’sdigitizationproject?
A)Toincreasethenumberofbooksinthecollection.
B)Tomakethelibrarymoreaccessibletoresidents.
C)Toreplacetheoriginalcollectionwithdigitalcopies.
D)Toreducethelibrary’sphysicalspace.答案:B2、WhichchallengedidMr.
Thompsonencounterwhiletryingtofindtherighttechnologyfortheproject?
A)Findingacompanythatspecializedinlibrarydigitization.
B)Ensuringthetechnologywascompatiblewiththelibrary’sexistingsystems.
C)Trainingthestaffonhowtousethenewtechnology.
D)Keepingtheoriginalcollectioningoodconditionduringthedigitizationprocess.答案:A3、Howdidthelibrarystaffaddressthechallengeofmakingthedigitizedbooksaccessibletoallresidents?
A)Bychargingafeeforonlineaccess.
B)Byprovidingtechnologytrainingsessionsforresidents.
C)Bycreatinganonlineportalandtrainingvolunteers.
D)Bylimitingthenumberofbooksavailablethroughtheonlineportal.答案:C4、Whatwasoneofthewaysthelibrarystaffpreservedtheoriginalcollectionduringthedigitizationprocess?
A)Bystoringthebooksinaclimate-controlledroom.
B)Bydigitizingonlythemostpopularbooks.
C)Bykeepingdetailedrecordsofeachbook’scondition.
D)Byhiringadditionalstafftohandlethebookscarefully.答案:C
FourthQuestionReadthefollowingpassagecarefullyandanswerthequestionsthatfollow.Passage:IntheheartofAfricaliesavastanddiverseecosystemknownastheCongoBasin.Hometoanincrediblearrayofwildlife,itisoneofthemostsignificanttropicalrainforestsonEarth.TheCongoRiver,whichwindsitswaythroughthisdensejungle,servesnotonlyasalifebloodfortheregionbutalsoasacrucialarteryconnectingcommunitiesandfosteringtrade.However,theCongoBasinfacesnumerousthreats,includingdeforestationduetoagriculturalexpansionandillegallogging.Conservationeffortsareongoing,aimingtobalancehumanneedswiththepreservationofthisuniqueenvironment.Questions:1、WhatistheCongoBasindescribedasinthepassage?Answer:AvastanddiverseecosysteminAfrica,knownforbeingoneofthemostsignificanttropicalrainforestsonEarth.2、WhatroledoestheCongoRiverplayaccordingtothetext?Answer:Itservesasalifebloodfortheregionandasacrucialarteryconnectingcommunitiesandfosteringtrade.3、WhataresomeofthethreatsmentionedthattheCongoBasinfaces?Answer:Deforestationduetoagriculturalexpansionandillegallogging.4、WhatkindofeffortsarebeingmadeintheCongoBasin?Answer:Conservationeffortsaimingtobalancehumanneedswiththepreservationoftheenvironment.这个题目设计旨在测试学生的阅读理解能力,包括提取具体信息、理解和概括段落的主要观点。四、阅读第二节(12.5分)ReadingSectionIIPassage:Thefollowingisanexcerptfromasciencemagazinearticleabouttheeffectsofclimatechangeonpolarbears.Inrecentyears,climatechangehashadaprofoundimpactonpolarbearpopulations.Astemperaturesrise,theArcticice,whichisthepolarbears’primaryhabitat,ismeltingatanalarmingrate.Thishasledtoasignificantdecreaseintheavailabilityofseaice,whichiscrucialforthepolarbears’survival.Polarbearsrelyonseaiceasaplatformforhuntingseals,theirmainfoodsource.Theiceservesasaplatformforthebearstohuntfromandalsoasaplacetorestandbreed.Withtheicemelting,polarbearsareforcedtoswimlongerdistancesinsearchoffood,whichcanbeextremelyexhaustinganddangerous.Insomecases,thebearshavebeenseenwalkingonlandforextendedperiods,abehaviorthatisunprecedentedintheirnaturalhistory.Thesituationisfurthercomplicatedbythechangingweatherpatterns.Heavysnowfallsandintensestormsarebecomingmorefrequent,makingitevenmorechallengingforpolarbearstofindfoodandnavigatetheirenvironment.Additionally,thebearsareencounteringnewpredators,suchaswolvesandgrizzlybears,astheymoveintopreviouslyuninhabitedareasduetothelossofseaice.Despitetheeffortsofconservationists,theoutlookforpolarbearsremainsbleak.Manyexpertspredictthatifcurrenttrendscontinue,polarbearpopulationscoulddeclinebyasmuchas30%overthenextfewdecades.ThiswouldhaveadevastatingimpactontheArcticecosystem,aspolarbearsplayacrucialroleinmaintainingthebalanceofthefoodweb.Questions:1.Whatistheprimarythreattopolarbearpopulationsmentionedinthepassage?
A)IncreasedhumanactivityintheArctic
B)ThemeltingofArcticice
C)OverfishingintheArcticregion
D)Alackofsuitablebreedinggrounds2.Whatisthemainfoodsourceforpolarbears?
A)Birds
B)Fish
C)Seals
D)Vegetation3.Howisthemeltingofseaiceaffectingpolarbears’abilitytohunt?
A)Itismakinghuntingeasierforthem.
B)Itisforcingthemtoswimlongerdistances.
C)Itiscausingthemtochangetheirhuntingmethods.
D)Itisreducingthenumberofsealsavailable.4.Whatnewchallengesarepolarbearsfacingduetothemeltingofseaice?
A)Theyareexperiencingmorefrequentsnowfallsandstorms.
B)Theyareencounteringnewpredatorsintheirterritory.
C)Theyarelosinginterestinhuntingseals.
D)Theyaremigratingtowarmerclimates.5.Whatisthepredicteddeclineinpolarbearpopulationsoverthenextfewdecades?
A)10%
B)20%
C)30%
D)40%Answers:1.B)ThemeltingofArcticice2.C)Seals3.B)Itisforcingthemtoswimlongerdistances.4.B)Theyareencounteringnewpredatorsintheirterritory.5.C)30%五、语言运用第一节_完形填空(15分)V.LanguageApplicationSection–PartOne:ClozeTestDirections:Foreachblankinthefollowingpassage,therearefourchoicesmarkedA,B,C,andD.Choosetheoneanswerthatbestfitsintothepassage.Passage:
Therewasonceasmallvillagenestledinthemountainswherelifemovedataslowerpace.Thevillagerswere
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