2026年重庆市初中英语第9单元阅读理解专项训练

2026年重庆市初中英语第9单元阅读理解专项训练一、单项选择题（每题2分，共20分）1.Inthepassage"TheSecretLifeofTrees,"theauthormainlywantstotellusthattreeshavetheirownwaysofcommunicatingwitheachother.Whichsentencefromthetextbestsupportsthisidea?A."Treescansendsignalstoeachotherthroughundergroundnetworkscalledmycorrhizalfungi."B."Birdsoftenbuildnestsinthebranchesoftalltrees,makingthemimportantforwildlife."C."Theringsofatreetrunkcanrevealtheclimateconditionsofthepastyears."D."Peopleoftenplanttreesinparkstoimprovetheenvironmentandprovideshade."Answer:AExplanation:Thepassageemphasizeshowtreescommunicateviaundergroundfunginetworks,whichdirectlyalignswiththemainidea.OptionBdiscussesbirds,OptionCfocusesontreerings,andOptionDmentionshumanactions,allofwhicharesecondarytothecoreconceptofinter-treecommunication.2.Accordingto"TheMagicoftheOcean,"whydocoralreefsfaceaseriousthreat?A.Becausetheyarethefavoritehabitatsofsharks.B.Becausetheyareoverfishedbyhumans.C.Becauseglobalwarmingcausestheirwatertobecometoohot.D.Becausetheyareoftenusedforbuildingunderwaterhotels.Answer:CExplanation:Thetexthighlightshowrisingseatemperaturesduetoclimatechangedamagecoralreefs,makingOptionCthecorrectanswer.OptionsA,B,andDareeitherunrelatedorexaggerated,assharksdonotprimarilythreatenreefs,overfishingisnotthemainissue,andunderwaterhotelsarerare.3.In"ThePowerofSmallChanges,"theauthorsuggeststhatimprovingtheenvironmentstartswithwhat?A.Buyingexpensiveeco-friendlyproducts.B.Recyclingonlywhenit’sconvenient.C.Makingsmall,dailyactionsliketurningofflights.D.Joininglarge-scaleenvironmentalprotests.Answer:CExplanation:Thepassageadvocatesforsimple,consistentactions(e.g.,savingenergy)asthefoundationforenvironmentalimprovement,rulingoutOptionsA(costlysolutions),B(inconsistentbehavior),andD(extrememeasures).4."TheStoryofaLocalHero"describeshowamiddleschoolstudenthelpedcleanapollutedriver.Whatwasthemosteffectivestepthestudenttook?A.Heboughtalotofcleaningsuppliesandcleanedtheriveralone.B.Hereportedthepollutiontothelocalgovernmentandorganizedacommunitycleanup.C.Hewroteanarticleabouttheproblembutdidnothingelse.D.Heaskedhisfriendstopostpicturesofthepollutiononsocialmedia.Answer:BExplanation:Thetextshowsthatcollaborationwithauthoritiesandcommunityeffortsledtosuccess,unlikeOptionA(individualefforts),OptionC(inactionafterawareness),andOptionD(ineffectiveonlineactivism).5.Accordingto"TheSecretLifeofTrees,"howdotreeswarneachotherofdanger?A.Bychangingthecoloroftheirleaves.B.Byreleasingchemicalsignalsthroughtheirroots.C.Bymakingloudnoiseswiththeirbranches.D.Bysendingmessagesthroughtheair.Answer:BExplanation:Thepassageexplainsthattreesreleasechemicals(e.g.,ethylene)toalertnearbytreesaboutthreats,matchingOptionB.OptionsA,C,andDarenotscientificallysupportedmethodsoftreecommunication.6.In"TheMagicoftheOcean,"whatistheauthor’sattitudetowardprotectingmarinelife?A.Indifferent,astheoceanistoovasttosave.B.Optimistic,believinghumanscansolveallmarineproblems.C.Cautious,emphasizingtheneedforbalancedconservation.D.Angry,blamingindustriesforalloceanpollution.Answer:CExplanation:Thetextbalancestheimportanceofhumanactivitywiththeneedforpreservation,reflectingacautiousyetproactivestance,unliketheextremesinOptionsA,B,andD.7."ThePowerofSmallChanges"mentionsthatagroupofstudentsreducedtheirschool’swasteby50%.Whatwastheirkeystrategy?A.Theyforcedeveryonetouseonlypaperbags.B.Theyinstalledrecyclingbinsineveryclassroomandeducatedpeers.C.Theybannedallplasticproductsfromtheschool.D.Theyhiredacleaningcompanytohandlethewaste.Answer:BExplanation:Thepassagedescribesastep-by-stepapproachinvolvingeducationandinfrastructure(recyclingbins),rulingoutextrememeasures(OptionC)orimpracticalsolutions(OptionD).8."TheStoryofaLocalHero"mentionsthatthestudent’sprojectwassuccessfulbecauseofwhat?A.Thegovernmentprovidedhimwithalargebudget.B.Manypeoplejoinedhiscleanupcampaign.C.Themediagavehimalotofattention.D.Heinventedanewcleaningmachine.Answer:BExplanation:Thetexthighlightscommunityinvolvementasthedrivingforcebehindtheproject’ssuccess,unliketheotheroptions,whichareeitherunrealisticorsecondarytothemainfactor.9.In"TheSecretLifeofTrees,"howdotreeshelpeachothergrow?A.Bysharingsunlightwithweakertrees.B.Bysendingnutrientsthroughtheirrootstonearbysaplings.C.Bygrowingtallertoblockwindforothers.D.Bygivingfruitstoyoungertreesforfood.Answer:BExplanation:Thepassageexplainsthatmaturetreestransfernutrientstoyoungeronesviafungalnetworks,matchingOptionB.OptionsA,C,andDarenotscientificallysupportedtreebehaviors.10."TheMagicoftheOcean"mentionsthatascientistdiscoveredanewcoralspecies.Whatdoesthisdiscoverysuggest?A.Therearenomoreunknownspeciesintheocean.B.Coralreefsarenotasthreatenedaspreviouslythought.C.Scientistsshouldfocusonlyonprotectingexistingspecies.D.Oceanexplorationisunnecessary.Answer:BExplanation:Findingnewspeciesimpliesthattheoceanremainsaplaceofdiscovery,indirectlysuggestingthatconservationeffortsshouldcontinue,unlikethepessimisticviewsinOptionsAandC,orthedismissivestanceinD.二、填空题（每空2分，共20分）1.In"TheSecretLifeofTrees,"theauthormentionsthattreescancommunicatewitheachotherusing_______fungi,whichformundergroundnetworks.Answer:mycorrhizalExplanation:Thepassageexplicitlystatesthatmycorrhizalfungienabletree-to-treecommunication,makingthisthecorrectterm.2."TheMagicoftheOcean"describeshowcoralbleachinghappenswhenwatertemperaturesriseabove_______degreesCelsius,causingcoralstolosetheircolor.Answer:29Explanation:Thetextcitesscientificresearchindicatingthattemperaturesabove29°Charmcorals,makingthistheprecisefigure.3."ThePowerofSmallChanges"suggeststhatifeveryoneinacityof1millionswitchestoreusablebags,itcouldreduceplasticwasteby_______tonsannually.Answer:50Explanation:Thepassageprovidesanexamplewheresuchachangewouldsave50tonsofplastic,reflectingarealisticyetimpactfulfigure.4.In"TheStoryofaLocalHero,"thestudent’sprojectwasfeaturedinalocalnewspaper,whichhelped_______morepeopletoparticipateinthecleanup.Answer:thousandsExplanation:Thetextmentionsthatmediacoveragesignificantlyboostedparticipation,with"thousands"beingaplausiblenumber.5."TheSecretLifeofTrees"explainsthatwhenonetreeisdamagedbyapest,itcanrelease_______towarnnearbytrees.Answer:ethyleneExplanation:Thepassagereferencesethyleneasachemicalsignalusedfortreecommunicationinresponsetothreats.6."TheMagicoftheOcean"highlightsthatoverfishinghasreducedsomefishpopulationsby_______percentinthelast50years.Answer:90Explanation:Thetextcitesstudiesshowingdrasticdeclines(e.g.,90%reduction)incertainfishspeciesduetooverfishing.7."ThePowerofSmallChanges"mentionsthatturningoffalightforjust10minutescansaveenoughenergytopoweraTVfor_______hours.Answer:5Explanation:Thepassageprovidesacomparison,statingthat10minutesofsavedenergyequals5hoursofTVusage.8.In"TheStoryofaLocalHero,"thestudent’steacherpraisedhimforhis_______attitudetowardenvironmentalproblems.Answer:proactiveExplanation:Thetextdescribesthestudentastakinginitiative,making"proactive"themostfittingadjective.9."TheSecretLifeofTrees"mentionsthatsometreescanstorewaterintheirtrunksforuseduring_______seasons.Answer:dryExplanation:Thepassageexplainshowtreespreparefordroughtsbystoringwater,making"dry"thecorrectterm.10."TheMagicoftheOcean"describeshowascientistnamedDr.Liuseda_______toexplorethedepthsoftheMarianaTrench.Answer:submersibleExplanation:ThetextmentionsDr.Li’suseofasubmersiblevehiclefordeep-searesearch,makingthisthepreciseterm.三、判断题（每题2分，共20分）1."TheSecretLifeofTrees"statesthatalltreescancommunicatewitheachother,eveniftheyarenotofthesamespecies.Answer:TrueExplanation:Thepassagementionsthatfungalnetworksallowcross-speciescommunication,supportingthestatement.2.Accordingto"TheMagicoftheOcean,"mostcoralreefsarelocatedintheArcticbecauseofcold-wateradaptation.Answer:FalseExplanation:Thetextexplicitlystatesthatcoralreefsthriveinwarm,tropicalwaters,nottheArctic.3."ThePowerofSmallChanges"suggeststhatonlyadultscanmakeadifferenceintheenvironment,notstudents.Answer:FalseExplanation:Thepassageencourageseveryone,includingstudents,tocontributetoenvironmentalaction.4.In"TheStoryofaLocalHero,"thestudent’sprojectfailedbecausenotenoughpeoplewereinterestedinhelping.Answer:FalseExplanation:Thetextdescribestheprojectassuccessfulduetocommunityinvolvement,contradictingthestatement.5."TheSecretLifeofTrees"mentionsthattreescannotfeelpainwhentheyarecutdown.Answer:TrueExplanation:Thepassagediscussestrees’responsesintermsofchemicalsignals,implyingtheydonotexperiencepainlikeanimals.6."TheMagicoftheOcean"statesthatplasticpollutionisthebiggestthreattomarinelife,andoverfishingisnegligible.Answer:FalseExplanation:Thetextbalancesmultiplethreats(plastic,overfishing,climatechange),notminimizingoverfishing.7."ThePowerofSmallChanges"mentionsthatrecyclingisthemosteffectivewaytoreducewaste,andreducingconsumptionisunnecessary.Answer:FalseExplanation:Thepassageemphasizesreducingwasteatthesource,notjustrecycling.8.In"TheStoryofaLocalHero,"thestudentwasrewardedwithascholarshipforhisenvironmentalwork.Answer:FalseExplanation:Thetextdoesnotmentionanyscholarships;itfocusesoncommunityimpact.9."TheSecretLifeofTrees"suggeststhattreesdonotneedsunlighttogrowiftheyhavestrongroots.Answer:FalseExplanation:Thepassagehighlightsphotosynthesisasessentialfortreegrowth,notjustrootstrength.10."TheMagicoftheOcean"mentionsthatallfishintheoceanaresafefromextinctionduetoconservationefforts.Answer:FalseExplanation:Thetextacknowledgesongoingthreatstomarinebiodiversity,notaguaranteedsafety.四、简答题（每题2分，共16分）1.Accordingto"TheSecretLifeofTrees,"howdotreeswarneachotherofdanger?Answer:Treesreleasechemicalsignals(e.g.,ethylene)throughtheirrootstoalertnearbytreesaboutthreatslikepestsorfire.Thiscommunicationhelpsthempreparefororavoiddanger.Explanation:Thepassagedetailshowtreesuseundergroundfungalnetworkstosendsignals,explainingthismechanismastheirwarningsystem.2.Whatisthemainmessageof"TheMagicoftheOcean"?Answer:Themainmessageisthatcoralreefsandmarinelifearefacingseverethreatsfromclimatechange,pollution,andoverfishing,butconservationeffortscanstillhelpprotectthem.Explanation:Thetextbalancestheurgencyoftheproblemswithhopeforsolutions,emphasizingtheneedforaction.3."ThePowerofSmallChanges"mentionsthatturningofflightssavesenergy.Howdoesthiswork?Answer:Turningofflightsreduceselectricityconsumption,whichisgeneratedbyburningfossilfuels.Lessenergyusemeansfeweremissions,helpingtocombatclimatechange.Explanation:Thepassageconnectssmallactionstolargerenvironmentalimpacts,explainingthelogicbehindsavingenergy.4.In"TheStoryofaLocalHero,"whatmadethestudent’sprojectsuccessful?Answer:Theprojectsucceededbecausethestudentorganizedacommunitycleanup,educatedpeers,andworkedwithlocalauthorities,leadingtowidespreadparticipationandrealresults.Explanation:Thetexthighlightscollaborationandeducationaskeyfactorsintheproject’ssuccess.5."TheSecretLifeofTrees"mentionsthattreescanstorewater.Whyisthisimportant?Answer:Storingwaterhelpstreessurviveduringdryseasonswhenrainfallisscarce,ensuringtheirsurvivalandcontinuedgrowth.Explanation:Thepassageexplainsthatwaterstorageisasurvivalstrategyfortreesinaridconditions.6.Whatdoes"TheMagicoftheOcean"sayaboutoverfishing?Answer:Thetextstatesthatoverfishinghasdrasticallyreducedfishpopulationsinsomeareas,disruptingmarineecosystemsandthreateningbiodiversity.Explanation:Thepassageprovidesdataandcontextabouttheimpactofoverfishingonoceanhealth.7."ThePowerofSmallChanges"encouragespeopletoreducewaste.Howcanthisbedone?Answer:Peoplecanreducewastebyusingreusablebags,containers,andbottles,avoidingsingle-useplastics,andrecyclingproperly.Explanation:Thepassageofferspracticalstepsforminimizingwasteindailylife.8.In"TheStoryofaLocalHero,"whatwasthestudent’smotivationforstartingtheproject?Answer:Thestudentwasmotivatedbyhisconcernforpollutioninhislocalriverandadesiretomakeapositivechangeinhiscommunity.Explanation:Thetextdescribeshispassionforenvironmentalissuesasthedrivingforcebehindtheproject.五、应用题（每题4分，共24分）1.Imagineyouareastudentin"TheSecretLifeofTrees"class.Writeashortparagraphexplaininghowyouwoulddesignanexperimenttotestiftreescommunicatewitheachother.Answer:Iwouldplanttwoyoungoaktreesclosetogetheranddamageoneofthem(e.g.,byremovingleaves).Then,Iwouldmonitortheothertreeforchangesingrowthorchemicalsignals(e.g.,usingpHpapertotestsoil).Iftheundamagedtreeshowssignsofstress(e.g.,slowergrowth),itmightindicatecommunication.Explanation:Theexperimentfollowsthescientificmethod(hypothesis,observation)andteststhepassage’sclaimabouttreecommunication.2."TheMagicoftheOcean"mentionsthatcoralreefsarehometomanyspecies.Writeaplantohelpprotectalocalcoralreef.Answer:Iwouldorganizeabeachcleanuptoremoveplasticwaste,educatetouristsaboutsnorkelingetiquette(notouching),andadvocateforstricterlawsagainstoverfishing.Additionally,Iwouldplantseagrasstoimprovereefhealth.Explanation:Theplanaddressesthreats(pollution,tourism,overfishing)andproposesactionablesolutions.3."ThePowerofSmallChanges"suggeststhatsmallactionsmatter.Writethreestepsyouwouldtaketoreduceyourfamily’scarbonfootprint.Answer:1)SwitchtoLEDbulbstosaveenergy.2)Usepublictransportorbikeinsteadofdriving.3)Compostfoodwastetoreducelandfillemissions.Explanation:Thestepsarespecific,practical,andalignwiththepassage’sthemeofimpactfulsmallchanges.4.In"TheStoryofaLocalHero,"thestudentcleanedapollutedriver.Writeaslogantoencourageotherstojoinenvironmentalefforts.Answer:"EveryDropCounts—JointheCleanup!"Explanation:Thesloganiscatchy,emphasizescollectiveaction,andreflectsthespiritofthepassage.5."TheSecretLifeofTrees"mentionsthattreeshelpeachothergrow.Writeashortstoryabouttwotreeshelpingeachother.Answer:Inaforest,anoldoaktreenoticedayoungmaplestrugglingwithdrought.Itsharedwaterthroughitsrootsviamycorrhizalfungi,helpingthemaplesurvive.Inreturn,themapleshadedtheoakduringsummer,protectingitfromexcessiveheat.Explanation:Thestoryillustratesthepassage’sconceptoftreecooperationinanarrativeform.6."TheMagicoftheOcean"highlightstheimportanceofmarinebiodiversity.Writealettertoyourlocalgovernmentaskingthemtoprotectanearbybeach.Answer:DearMayor,Iamconcernedaboutpollutiononourbeach,whichharmsmarinelife.Pleaseinstallmoretrashbins,enforcefishingregulations,andorganizeregularcleanups.Thankyouforprotectingourenvironment.Explanation:Theletterisformal,addressesspecificissues,andalignswiththepassage’sconservationfocus.【标准答案及解析】一、单项选择题1.AExplanation:Thepassageexplicitlystatesthatmycorrhizalfungienabletreecommunication,makingOptionAthecorrectanswer.2.CExplanation:Thetexthighlightsrisingseatemperaturesastheprimarythreattocoralreefs,unliketheotheroptions,whichareeitherunrelatedorexaggerated.3.CExplanation:Thepassageadvocatesforsimple,consistentactions(e.g.,savingenergy)asthefoundationforenvironmentalimprovement,rulingoutOptionsA(costlysolutions),B(inconsistentbehavior),andD(extrememeasures).4.BExplanation:Thetextshowsthatcollaborationwithauthoritiesandcommunityeffortsledtosuccess,unlikeOptionA(individualefforts),OptionC(inactionafterawareness),andOptionD(ineffectiveonlineactivism).5.BExplanation:Thepassageexplainsthattreesreleasechemicals(e.g.,ethylene)toalertnearbytreesaboutthreats,matchingOptionB.6.CExplanation:Thetextbalancestheimportanceofhumanactivitywiththeneedforpreservation,reflectingacautiousyetproactivestance,unliketheextremesinOptionsA,B,andD.7.BExplanation:Thepassagedescribesastep-by-stepapproachinvolvingeducationandinfrastructure(recyclingbins),rulingoutextrememeasures(OptionC)orimpracticalsolutions(OptionD).8.BExplanation:Thetexthighlightscommunityinvolvementasthedrivingforcebehindtheproject’ssuccess,unliketheotheroptions,whichareeitherunrealisticorsecondarytothemainfactor.9.BExplanation:Thepassageexplainsthatmaturetreestransfernutrientstoyoungeronesviafungalnetworks,matchingOptionB.10.BExplanation:Findingnewspeciesimpliesthattheoceanremainsaplaceofdiscovery,indirectlysuggestingthatconservationeffortsshouldcontinue,unlikethepessimisticviewsinOptionsAandC,orthedismissivestanceinD.---二、填空题1.mycorrhizalExplanation:Thepassageexplicitlystatesthatmycorrhizalfungienabletree-to-treecommunication,makingthisthecorrectterm.2.29Explanation:Thetextcitesscientificresearchindicatingthattemperaturesabove29°Charmcorals,makingthistheprecisefigure.3.50Explanation:Thepassageprovidesanexamplewheresuchachangewouldsave50tonsofplastic,reflectingarealisticyetimpactfulfigure.4.thousandsExplanation:Thetextmentionsthatmediacoveragesignificantlyboostedparticipation,with"thousands"beingaplausiblenumber.5.ethyleneExplanation:Thepassagereferencesethyleneasachemicalsignalusedfortreecommunicationinresponsetothreats.6.90Explanation:Thetextcitesstudiesshowingdrasticdeclines(e.g.,90%reduction)incertainfishspeciesduetooverfishing.7.5Explanation:Thepassageprovidesacomparison,statingthat10minutesofsavedenergyequals5hoursofTVusage.8.proactiveExplanation:Thetextdescribesthestudentastakinginitiative,making"proactive"themostfittingadjective.9.dryExplanation:Thepassageexplainshowtreespreparefordroughtsbystoringwater,making"dry"thecorrectterm.10.submersibleExplanation:ThetextmentionsDr.Li’suseofasubmersiblevehiclefordeep-searesearch,makingthisthepreciseterm.---三、判断题1.TrueExplanation:Thepassagementionsthatfungalnetworksallowcross-speciescommunication,supportingthestatement.2.FalseExplanation:Thetextexplicitlystatesthatcoralreefsthriveinwarm,tropicalwaters,nottheArctic.3.FalseExplanation:Thepassageencourageseveryone,includingstudents,tocontributetoenvironmentalaction.4.FalseExplanation:Thetextdescribestheprojectassuccessfulduetocommunityinvolvement,contradictingthestatement.5.TrueExplanation:Thepassagediscussestrees’responsesintermsofchemicalsignals,implyingtheydonotexperiencepainlikeanimals.6.FalseExplanation:Thetextbalancesmultiplethreats(plastic,overfishing,climatechange),notminimizingoverfishing.7.FalseExplanation:Thepassageemphasizesreducingwasteatthesource,notjustrecycling.8.FalseExplanation:Thetextdoesnotmentionanyscholarships;itfocusesoncommunityimpact.9.FalseExplanation:Thepassagehighlightsphotosynthesisasessentialfortreegrowth,notjustrootstrength.10.FalseExplanation:Thetextacknowledgesongoingthreatstomarinebiodiversity,notaguaranteedsafety.---四、简答题1.Treesreleasechemicalsignals(e.g.,ethylene)throughtheirrootstoalertnearbytreesaboutthreatslikepestsorfire.Thiscommunicationhelpsthempreparefororavoiddanger.Explanation:Thepassagedetailshowtreesuseundergroundfungalnetworkstosendsignals,explainingthismechanismastheirwarningsystem.2.Themainmessageisthatcoralreefsandmarinelifearefacingseverethreatsfromclimatechange,pollution,andoverfishing,butconservationeffortscanstillhelpprotectthem.Explanation:Thetextbalancestheurgencyoftheproblemswithhopeforsolutions,emphasizingtheneedforaction.3.Turningofflightsreduceselectricityconsumption,whichisgeneratedbyburningfossilfuels.Lessenergyusemeansfeweremissions,helpingtocombatclimatechange.Explanation:Thepassageconnectssmallactionstolargerenvironmentalimpacts,explainingthelogicbehindsavingenergy.4.Theprojectsucceededbecausethestudentorganizedacommunitycleanup,educatedpeers,andworkedwithlocalauthorities,leadingtowidespreadparticipationandrealresults.Explanation:Thetexthighlightscollaborationandeducationaskeyfactorsintheproject’ssuccess.5.Storingwaterhelpstreessurviveduringdryseasonswhenrainfallisscarce,ensuringtheirsurvivalandcontinuedgrowth.Explanation:Thepassageexplainsthatwaterstorageisasurvivalstrategyfortreesinaridconditions.6.Thetextstatesthatoverfishinghasdrasticallyreduce