2025年初中英語閱讀理解沖刺試卷（附答案）考試時間：______分鐘總分：______分姓名：______第一部分閱讀理解Theinternethasbecomeanindispensablepartofmodernlife.Itconnectspeoplearoundtheworld,providesavastamountofinformation,andfacilitatescommunication.However,itsoveruse,especiallyamongteenagers,hasraisedconcernsamongparentsandeducators.Onemajorconcernistheimpactofexcessiveinternetuseonphysicalhealth.Spendinglonghourssittinginfrontofscreenscanleadtoasedentarylifestyle,contributingtoobesity,poorposture,andeyestrain.Additionally,thebluelightemittedbyscreenscandisruptsleeppatterns,makingitdifficultforteenagerstofallasleepatnightandwakeupfeelingrefreshed.Thiscannegativelyaffecttheiroverallwell-beingandacademicperformance.Anotherissueisthepotentialforinternetaddiction.Theconstantavailabilityofsocialmedia,games,andotherformsofonlineentertainmentcanbeaddictive,leadingtoexcessivetimespentonlineandneglectingotherimportantaspectsoflife,suchashomework,physicalactivity,andface-to-faceinteractionswithfamilyandfriends.Internetaddictioncanalsoleadtofeelingsofisolationandloneliness,asteenagersmayspendmoretimeinthevirtualworldandlesstimeengaginginreal-worldactivities.Cyberbullyingisanotherseriousproblemassociatedwiththeinternet.Theanonymityprovidedbytheinternetcanemboldensomeindividualstoengageinbullyingbehavioronline.Thiscanhavedevastatingeffectsonthementalhealthofvictims,causingthemtofeelscared,anxious,anddepressed.Insomecases,cyberbullyinghasevenledtotragicconsequences.Despitethesechallenges,theinternetalsooffersnumerousbenefits.Itprovidesaccesstoawealthofinformationandeducationalresources,enablingteenagerstolearnandexplorenewtopicsbeyondtheclassroom.Theinternetalsoallowsthemtostayconnectedwithfriendsandfamily,regardlessofgeographicaldistance.Additionally,onlineplatformsprovideopportunitiesforcreativeexpression,socialactivism,andglobalcollaboration.Inconclusion,whiletheinternethasbecomeanintegralpartofourlives,itisimportanttouseitresponsibly.Parents,educators,andteenagersthemselvesneedtobeawareofthepotentialrisksassociatedwithexcessiveinternetuseandtakestepstomitigatethem.Thisincludessettinglimitsonscreentime,promotingahealthybalancebetweenonlineandofflineactivities,andfosteringopencommunicationaboutinternetsafety.---Therapidadvancementoftechnologyhasrevolutionizedthewaywelive,work,andcommunicate.Oneofthemostsignificanttechnologicalbreakthroughsofrecentyearsisthedevelopmentofartificialintelligence(AI).AIreferstothesimulationofhumanintelligenceinmachinesthatareprogrammedtothinkandlearnlikehumans.ThepotentialapplicationsofAIarevastandvaried,promisingtotransformnumerousindustriesandaspectsofdailylife.Inthefieldofhealthcare,AIhasthepotentialtoimprovediagnosisaccuracyandtreatmenteffectiveness.AIalgorithmscananalyzemedicalimages,suchasX-raysandMRIs,withremarkableprecision,helpingdoctorsdetectdiseasesatanearlystage.Additionally,AI-poweredrobotscanassistinsurgeries,performingcomplexprocedureswithgreaterprecisionandcontrolthanhumanhands.Thiscanleadtofasterrecoverytimesandbetterpatientoutcomes.AIisalsotransformingthetransportationindustry.Self-drivingcars,poweredbyAIalgorithms,arebeingdevelopedbynumerouscompaniesaroundtheworld.Thesevehicleshavethepotentialtosignificantlyreducethenumberofaccidentscausedbyhumanerror,makingroadssaferforeveryone.Furthermore,AIcanoptimizetrafficflow,reducingcongestionandimprovingtheefficiencyoftransportationsystems.Intherealmofbusiness,AIisstreamliningoperationsandenhancingdecision-making.AI-poweredchatbotscanprovidecustomerservice24/7,handlinginquiriesandresolvingissuesefficiently.AIalgorithmscanalsoanalyzelargeamountsofdata,identifyingpatternsandtrendsthathumansmaymiss.Thiscanhelpbusinessesmakemoreinformeddecisions,predictmarkettrends,andidentifynewopportunitiesforgrowth.However,theriseofAIalsoraisesethicalconcernsthatneedtobeaddressed.Onemajorconcernisthepotentialforjobdisplacement.AsAIsystemsbecomemoreadvanced,theymayreplacehumanworkersinvariousindustries,leadingtounemploymentandeconomicinequality.Anotherconcernistheissueofdataprivacyandsecurity.AIsystemsrelyonvastamountsofdata,raisingconcernsabouthowthisdataiscollected,stored,andused.Despitethesechallenges,thepotentialbenefitsofAIareundeniable.Ithasthepowertosolvecomplexproblems,improveourlives,andpushtheboundariesofwhatispossible.ToharnessthefullpotentialofAI,itiscrucialtodevelopitresponsibly,ensuringthatitisusedforthebenefitofhumanityandnotforharmfulpurposes.Thisrequirescollaborationbetweengovernments,businesses,andresearcherstoestablishethicalguidelinesandregulationsthatgovernthedevelopmentanduseofAI.---Manypeoplearoundtheworldareconcernedabouttheenvironmentandtheimpactofhumanactivitiesontheplanet.Climatechange,deforestation,pollution,andlossofbiodiversityaresomeofthemostpressingenvironmentalissuesfacingourworldtoday.Theseproblemsareinterconnectedandrequireglobalcooperationtoaddresseffectively.Oneofthemaincausesofclimatechangeistheburningoffossilfuels,suchascoal,oil,andnaturalgas.Thesefuelsarewidelyusedforenergyproduction,transportation,andindustrialprocesses.Whenburned,theyreleaselargeamountsofcarbondioxide(CO2)andothergreenhousegasesintotheatmosphere,trappingheatandcausingtheEarth'stemperaturetorise.Thisleadstoarangeofenvironmentalconsequences,includingmorefrequentandsevereweatherevents,risingsealevels,andmeltingpolaricecaps.Deforestationisanothersignificantenvironmentalproblem.TreesplayacrucialroleinabsorbingCO2fromtheatmosphereandproducingoxygen,whichisessentialforlifeonEarth.However,forestsarebeingclearedatanalarmingrateforagriculture,logging,andurbandevelopment.Thisnotonlycontributestoclimatechangebutalsoleadstosoilerosion,lossofbiodiversity,anddisruptionofecosystems.Pollution,invariousforms,isalsocausingwidespreaddamagetotheenvironment.Airpollution,causedbyindustrialemissions,vehicleexhaust,andothersources,canleadtorespiratoryproblemsandotherhealthissuesinhumans.Waterpollution,resultingfromindustrialwaste,agriculturalrunoff,andsewage,contaminateswatersources,harmingaquaticlifeandmakingwaterunsafeforhumanconsumption.Soilpollution,causedbychemicalsandwaste,canrenderlandunusableforagricultureandcontaminatefoodsupplies.Lossofbiodiversityisanothercriticalenvironmentalissue.ThevarietyoflifeonEarthisessentialforthehealthandfunctioningofecosystems.However,humanactivitiessuchashabitatdestruction,pollution,andclimatechangearecausingspeciestobecomeextinctatanunprecedentedrate.Thislossofbiodiversitycanhavecascadingeffectsonecosystems,disruptingnaturalprocessesandreducingtheresilienceoftheenvironment.Addressingtheseenvironmentalchallengesrequiresamultifacetedapproach.Itinvolvesreducinggreenhousegasemissions,protectingandrestoringforests,reducingpollution,andconservingbiodiversity.Individualscancontributebyadoptingsustainablelifestyles,suchasusingpublictransportation,reducingwaste,andsupportingenvironmentallyfriendlyproducts.Governmentsandorganizationsalsohaveacrucialroletoplayinimplementingpoliciesandinitiativesthatprotecttheenvironmentandpromotesustainabledevelopment.Inconclusion,theenvironmentalproblemsfacingourworldtodayareseriousandrequireimmediateaction.Byworkingtogether,individuals,governments,andorganizationscanmakeadifferenceandcreateasustainablefutureforgenerationstocome.---試卷答案第一部分閱讀理解1.D解析思路：文章第一段提到互聯(lián)網(wǎng)是現(xiàn)代生活的必需品，并連接世界各地，提供大量信息和促進(jìn)交流。選項(xiàng)D“提供了連接世界的信息和交流途徑”概括了這些信息，符合文章主旨。2.A解析思路：文章第二段明確指出，過度使用互聯(lián)網(wǎng)對身體健康有負(fù)面影響，包括導(dǎo)致久坐不動的生活方式，從而可能導(dǎo)致肥胖、不良姿勢和眼睛疲勞。3.C解析思路：文章第三段的核心觀點(diǎn)是，互聯(lián)網(wǎng)的過度使用可能導(dǎo)致成癮，導(dǎo)致學(xué)生花費(fèi)過多時間在網(wǎng)上，忽視家庭、朋友和學(xué)業(yè)等重要方面。4.B解析思路：文章第四段主要討論了網(wǎng)絡(luò)欺凌問題，指出互聯(lián)網(wǎng)的匿名性可能導(dǎo)致一些人進(jìn)行網(wǎng)絡(luò)欺凌，這對受害者的心理健康造成嚴(yán)重傷害。5.B解析思路：文章第五段首先承認(rèn)互聯(lián)網(wǎng)的益處，然后通過“Despitethesechallenges”（盡管存在這些挑戰(zhàn)）引出主旨句，即“itisimportanttouseitresponsibly”（負(fù)責(zé)任地使用它）。這意味著使用互聯(lián)網(wǎng)需要明智和適度，對應(yīng)選項(xiàng)B。---第二部分閱讀理解6.C解析思路：文章第一段通過定義“人工智能（AI）”并說明其模仿人類思考和學(xué)習(xí)的特點(diǎn)，引出對其潛力的討論，選項(xiàng)C“人工智能是指模擬人類思維的機(jī)器智能”準(zhǔn)確概括了定義。7.A解析思路：文章第二段詳細(xì)闡述了AI在醫(yī)療領(lǐng)域的應(yīng)用，重點(diǎn)提到AI算法能精確分析醫(yī)學(xué)影像，幫助早期診斷疾病，這與選項(xiàng)A“AI能通過分析醫(yī)學(xué)影像提高診斷準(zhǔn)確性”相符。8.D解析思路：文章第