閱讀理解說明文（提分策略+2024高考3篇+2024期終20篇）學生版-2025屆新高三英語提分培優(yōu)練（高考試題+模擬）

2025屆新高三英語提分培優(yōu)通關練（高考真題+名校模擬）

第01輯：2024年期末考試暑假專輯

專題03閱讀理解說明文

（提分策略+24高考3篇+24期終20篇）原卷版

目錄

技能專區(qū)1

真題專區(qū)........................................................1

模擬專區(qū)5

技能專區(qū)：

沖刺備考名師提醒，洞悉高考命題規(guī)律，提供高效提分干貨

一、閱讀理解說明文細節(jié)理解題注意落實“定位原文"和"同義替換”技巧。

二、數(shù)據(jù)計算題注重“原文定位"和“細節(jié)理解"，弄清來龍去脈再計算。

三、重視說明文"倒三角形”結構，特別是首段和段首的獨特作用。

四、標題概括題重視三性：概括性、簡潔性和新穎性；同時聯(lián)系首段和關鍵詞。

五、說明文長難句較多增加了理解的難度，落實"括號法"，（從句）（非謂語）

（介詞短語）（名詞短語1

真題專區(qū)：

練真題，明方向；練技巧，提能力；練速度，提分數(shù)！

012024新高考I卷

IntheracetodocumentthespeciesonEarthbeforetheygoextinct,researchersandcitizenscientistshave

collectedbillionsofrecords.Today,mostrecordsofbiodiversityareoftenintheformofphotos,videos,and

otherdigitalrecords.Thoughtheyareusefulfordetectingshiftsinthenumberandvarietyofspeciesinanarea,

anewStanfordstudyhasfoundthatthistypeofrecordisnotperfect.

“Withtheriseoftechnologyitiseasyforpeopletomakeobservationsofdifferentspecieswiththeaidofa

mobileapplication/9saidBarnabasDaru,whoisleadauthorofthestudyandassistantprofessorofbiologyin

theStanfordSchoolofHumanitiesandSciences."Theseobservationsnowoutnumbertheprimarydatathat

comesfromphysicalspecimens（標本），andsinceweareincreasinglyusingobservationaldatatoinvestigate

howspeciesarerespondingtoglobalchange,Iwantedtoknow:Aretheyusable?^^

Usingaglobaldatasetof1.9billionrecordsofplants,insects,birds,andanimals,Daruandhisteamtested

howwellthesedatarepresentactualglobalbiodiversitypatterns.

“Wewereparticularlyinterestedinexploringtheaspectsofsamplingthattendtobias（使有偏差）data,

likethegreaterlikelihoodofacitizenscientisttotakeapictureofafloweringplantinsteadofthegrassright

nexttoitJsaidDam.

Theirstudyrevealedthatthelargenumberofobservation-onlyrecordsdidnotleadtobetterglobal

coverage.Moreover,thesedataarebiasedandfavorcertainregions,timeperiods,andspecies.Thismakes

sensebecausethepeoplewhogetobservationalbiodiversitydataonmobiledevicesareoftencitizenscientists

recordingtheirencounterswithspeciesinareasnearby.Thesedataarealsobiasedtowardcertainspecieswith

attractiveoreye-catchingfeatures.

Whatcanwedowiththeimperfectdatasetsofbiodiversity?

“Quitealot,“Daruexplained.''Biodiversityappscanuseourstudyresultstoinformusersofoversampled

areasandleadthemtoplaces-andevenspecies-thatarenotwell-sampled.Toimprovethequalityof

observationaldata,biodiversityappscanalsoencourageuserstohaveanexpertconfirmtheidentificationof

theiruploadedimage.”

32.Whatdoweknowabouttherecordsofspeciescollectednow?

A.Theyarebecomingoutdated.B.Theyaremostlyinelectronicform.

C.Theyarelimitedinnumber.D.Theyareusedforpublicexhibition.

33.WhatdoesDaru'sstudyfocuson?

A.Threatenedspecies.B.Physicalspecimens.

C.Observationaldata.D.Mobileapplications.

34.Whathasledtothebiasesaccordingtothestudy?

A.Mistakesindataanalysis.B.Poorqualityofuploadedpictures.

C.Improperwayofsampling.D.Unreliabledatacollectiondevices.

35.WhatisDaru'ssuggestionfbrbiodiversityapps?

A.Reviewdatafromcertainareas.B.Hireexpertstochecktherecords.

C.Confirmtheidentityoftheusers.D.Giveguidancetocitizenscientists.

02-2024新高考II卷

Weallknowfreshisbestwhenitcomestofood.However,mostproduceatthestorewentthroughweeksoftravel

andcoveredhundredsofmilesbeforereachingthetable.Whilefarmer^marketsareasolidchoicetoreducethe

journey,BabylonMicro-Farm（BMF）shortensitevenmore.

BMFisanindoorgardensystem.Itcanbesetupforafamily.Additionally,itcouldservealargeraudiencesuch

asahospital,restaurantorschool.Theinnovativedesignrequireslittleefforttoachieveareliableweeklysupplyof

freshgreens.

Specifically,ifsafarmthatreliesonnewtechnology.ByconnectingthroughtheCloud,BMFisremotely

monitored.Also,thereisaconvenientappthatprovidesgrowingdatainrealtime.Becausethesystemisautomated,it

significantlyreducestheamountofwaterneededtogrowplants.Ratherthanwateringrowsofsoil,thesystem

providesjusttherightamounttoeachplant.Afterharvest,userssimplyreplacetheplantswithanewpre-seededpod

（容器）togetthenextgrowthcyclestarted.

Moreover,havingasysteminthesamebuildingwhereit'seatenmeanszeroemissions（排放）fromtransporting

plantsfromsoiltosalad.Inaddition,there9snoneedforpesticidesandotherchemicalsthatpollutetraditionalfarms

andthesurroundingenvironment.

BMFemployeesliveoutsustainabilityintheireverydaylives.Abouthalfofthemwalkorbiketowork.Insidethe

office,theyencouragerecyclingandwastereductionbylimitinggarbagecansandavoidingsingle-useplastic.C4Weare

passionateaboutreducingwaste,carbonandchemicalsinourenvironment,9,saidaBMFemployee.

28.WhatcanbelearnedaboutBMFfromparagraph1?

A.Itguaranteesthevarietyoffood.B.Itrequiresday-to-daycare.

C.Itcutsthefarm-to-tabledistance.D.Itreliesonfarmer^markets.

29.Whatinformationdoestheconvenientappoffer?

A.Real-timeweatherchanges.B.Currentconditionoftheplants.

C.Chemicalpollutantsinthesoil.D.Availabilityofpre-seededpods.

30.WhatcanbeconcludedaboutBMFemployees?

A.Theyhaveagreatpassionforsports.

B.Theyaredevotedtocommunityservice.

C.Theyarefondofsharingdailyexperiences.

DTheyhaveastrongenvironmentalawareness.

31.Whatdoesthetextmainlytalkabout?

A.BMF'smajorstrengths.B.BMF'sgeneralmanagement.

C.BMF'sglobalinfluence.D.BMF'stechnicalstandards.

03-2024全國甲卷

TheSaintLukastraindoesn'tacceptpassengers-itacceptsonlythesick.TheSaintLukasisoneoffive

government-sponsoredmedicaltrainsthattraveltoremotetownsincentralandeasternRussia.Eachstoplastsan

averageoftwodays,andduringthattimethedoctorsandnursesonboardproviderural（鄉(xiāng)村）populationswithbasic

medicalcare,X-rayscansandprescriptions.

“Peoplestartedqueuingtomakeanappointmentearlyinthemorning,9,saysEmileDucke,aGerman

photographerwhotraveledwiththestaffoftheSaintLukasforatwo-weektripinNovemberthroughthevast

regions（區(qū)域）ofKrasnoyarskandKhakassia.

Russia'spublichealthcareservicehasbeeninseriousneedofmodernization.Thegovernmenthasstruggledto

comeupwithmeasurestoaddresstheproblem,particularlyinthepoorer,ruralareaseastoftheVolgaRiver,including

arrangingdoctor'sappointmentsbyvideochatandexpandingfinancialaidprogramstomotivatedoctorstopractice

medicineinremotepartsofthecountrylikeKrasnoyarsk.

TheannualarrivaloftheSaintLukasisanotherattempttoimprovethesituation.For10monthseveryyear,the

trainstopsatabouteightstationsovertwoweeks,beforereturningtotheregionalcapitaltorefuelandrestock（補給）.

Thenitstartsalloveragainthenextmonth.Moststationswaitaboutayearbetweenvisits.

Doctorsseeupto150patientseveryday.Thetrain?sequipmentallowsforbasiccheckups.t6Iwasveryimpressed

bythedoctorsandtheirassistantsworkingandlivinginsuchlittlespacebutstillstayingfocusedandveryconcerned,

saysDucke."Theywerethebestchanceformanyruralpeopletogetthetreatmenttheywant.”

28.HowistheSaintLukasdifferentfromothertrains?

A.Itrunsacrosscountries.B.Itreservesseatsfortheseniors.

C.Itfunctionsasahospital.D.Ittravelsalongariver.

29.Whatcanweinferfromparagraph3aboutKrasnoyarsk?

A.Itisheavilypopulated.B.Itofferstrainingfordoctors.

C.Itisamoderncity.D.Itneedsmedicalaid.

30.HowlongcantheSaintLukasworkwithonesupply?

A.Aboutayear.B.Abouttenmonths.

C.Abouttwomonths.D.Abouttwoweeks.

31.WhatisDuckedattitudetowardtheSaintLukas'services?

A.Appreciative.B.DoubtfulC.Ambiguous.D.Cautious.

模擬專區(qū)：

做好題才有好成績！練技能，補漏洞，提分數(shù)，強信心！

（23-24高二下?江蘇淮安?期末）Somepeoplepreferpaperbacksbecausethey'reeasytoborrowandshare.

Otherswillgofore-readers.Butwhichisthemoreenvironmentallysustainableoption?

Whetherifsbettertoreadbooksinprintoronadeviceiscomplicated,becauseofthecomplexinteractionof

theresourcesinvolvedacrosstheentirelifecycleofapublishedwork:howbooksanddevicesareshipped,what

energytheyusetorun,iftheycanberecycled.

Ontheoneside,traditionalprintpublishingcomeswithahighcarbonfootprint.Accordingto2023data,32

milliontreesarecutdowneachyeartomakepaperforbooks.Thenthere9stheenergy-intensiveprocessesofprinting

andshipping-tosaynothingofthemanybooksthataredestroyedbecausetheyremainunsold.Althoughit's

standardpracticeintheindustry,publishersdon'twanttodestroybooks.Soinstead,manyaredonatingunsold

copies,switchingtoon-demandprinting.Publishersarealsorethinkingbookdesign,sincecertainfonts（字體）can

bemoreclimate-friendlybyusinglessinkandlesspaper.

Ontheotherhand,digitalreadingseemstohaveaconsiderableeco-advantageoverprintbecauseitis

paperless,soitsavestreesandshipping.Moreover,techcompaniesthatmakee-readerssuchasAmazonoffer

recyclingprogramsforolddevices.Butdigitaldevicesalsocomewithasubstantialcarbonfootprint,especiallyat

themanufacturingstage.Theircasesaremadewithplasticsandthemineralsintheirbatteriesrequireresource-heavy

mining.

Figuringoutwhethertotakeadigitaldeviceorapaperbacktothebeachultimatelydependsonhowmuchyou

read."Ifyoubuyane-readerandyoureadloadsandloadsofbooksonit,thenit'sthelowestcarbonthingtodo,^^

saidMikeBerners-Lee,theauthorofTheCarbonFootprintofEverything."ButifIbuyit,readacoupleofbooks,

anddecidethatIpreferpaperbackbooks,thenit'stheworstofallworlds.^^

YetBerners-Leesaidthatreadingisstill,relativelyspeaking,aprettysustainableactivity------regardlessof

whetheryoureadusingane-reader,phoneorold-fashionedpaperback.

1.Whyisithardtotellifprintordigitalbooksaremoreeco-friendly?

A.Thewholeprocessesforbothinvolvemanyresources.

B.Theoptiondependsonthereader'spersonalpreferences.

C.Recyclingprogramsarenotequallyeffectiveforbothtypes.

D.Theenvironmentalimpactofreadinghabitsisoftenoverlooked.

2.Whatarebookpublishersdoingtoreducetheenvironmentalimpact?

A.Cuttingdownfewertrees.

B.Destroyingtheunsoldbooks.

C.Employingeco-friendlypractices.

D.Focusingonthesalesofdigitalbooks.

3.AccordingtoBerners-Lee,ane-readerismoresustainablethanpaperbackswhen.

A.ane-readerissharedbymanypeople

B.youchargeitusingrenewableenergy

C.ane-readerisrecycledafterbeingused

D.youreadahighvolumeofbooksdigitally

4.Whichisthemostsuitabletitleforthetext?

A.Printbooksvs.e-readers:whichisyourfavorite?

B.Paperbooksvs.e-readers:whichisbetterfortheclimate?

C.Choosedigitalreading,foritreducesmorecarbonfootprint

D.Keepthebalanceofconvenienceandsustainabilityinreading

（23-24高二下?浙江臺州?期末）Climatemodelscangiveusapreviewofhowhumanity'sactions一or

inaction-willchangeourplanetoverthecomingdecadesandcenturies.Butbecausetheplanetissuchacomplex

system,theyaren,tperfectclimatemodelshaveuncertaintiesthatgrowlargerastheygofartherintothefuture.

Scientistsandengineersfromacrossthecountryareteaminguptobuildanewtypeofclimatemodelthatisdesigned

toprovidemorepreciseandactionablepredictions.

Currentclimatemodelingreliesondividinguptheglobeintoagrid（格子）andthencomputingwhatisgoing

onineachsectorofthegrid,aswellashowthesectorsinteractwitheachother.Limitationsinavailablecomputer

processingpowermeanthatthosesectorsgenerallycannotbeanysmallerthantensofkilometersperside.Butfor

climatemodeling,thedevilisinthedetails-detailsthatgetmissedinatoo-largegrid."Torcitiesplanningtheir

stormwatermanagementfacilitiestoresistthenext100years9worthoffloods,thisisaseriousissue.Concrete

answersaboutthelikelyrangeofclimateoutcomesarekeyforplanning.^^saysTapioSchneider,seniorresearch

scientistatCliMA.

Weighingrecentadvancesinthecomputationalanddatasciences,theteamplanstostepincandesceofthe

partnersbringsadifferentstrengthandresearchexpertisetotheproject."Ourgoalisanewmodelthatprojects

futurechangesincriticalvariablessuchascloudcover,seaiceextent,andrainfallmoreaccurately——with

uncertaintiesatleasthalfthesizeofthoseinexistingmodels.saidDr.Andrew,theteamleader.

OnedoubterabouttheapplicationofclimatemodelsisRaffaeleFerrari,aCecilandIdaGreenProfessorof

OceanographyatMIT."Usingamodel,webecomepuppeteers,mastersofagiantsystemthatis,intruth,beyond

humancontrol.Wecancoolorheattheplanetatwill,addsaltoriceorrainordustinanyamountwewant,"Dr.

Ferrarisays."Wehavenobackupplanet.Howclimatemodelsareusedremainstobeseen.^^

5.Whyareclimatemodelsbuilt?

A.Tocollectscientificdata.B.Tomonitorhumanactions.

C.Todeliverusefulforecasts.D.Tomaintainsocialsystems.

6.Whatistheproblemofcurrentclimatemodeling?

A.Shortageoffacilities.B.Relianceoncomputers.

C.Inabilitytogetsmallergrids.D.Limitationinsimplifyingdetails.

7.Whatdoestheteamaimtodo?

A.Investigateseriousissues.B.Guaranteethesafetyofthecity.

C.Changethefutureclimate.D.Improvetheaccuracyofthemodels.

8.Whatcanbeinferredfromthelastparagraph?

A.Climatemodelsenjoysgreatpopularity.

B.Scientistshavecreatedanewclimatemodel.

C.Doubtsaboutclimatemodelsaredisappearing.

D.Cautionisadvisedintheuseofclimatemodels.

（23-24高二下?浙江紹興?期末）In2017,EllieHighwood,theprofessorofclimatephysicsattheUniversity

ofReading,postedaphotographonTwitterofa"globalwarmingblankef9shehadcrocheted（用鉤針編織），in

whichrowsofcolourrepresentedaverageglobaltemperaturechangesacrosstime.Shehadnoideathatagraphic

versionlatercreatedbyacolleaguewouldbecomeaglobalsymbolofclimatechange.Shehadnoideathatagraphic

versionlatercreatedbyacolleaguewouldbecomeaglobalsymbolofclimatechange.

Unliketraditionaldatavisualisations,theblankefspatternonlyfeaturescolors——andseemstobeabarcode

morethananormalgraph.WhenEdHawkins,climatescientistandprofessoratthesameuniversity,sawthe

warmingstripesandwitnessedpeople'sreactions,hethoughttheywouldbeagoodwaytovisualisethedatafrom

climatechangeonline.Hereducedtherangeofcolorstotonesofbluesandreds,universallyassociatedinweather

mapswithtemperature.

Ayearlater,HawkinstestedthedesignattheHayFestivalintheUK.Afterapositivereception,heembarked

onamissiontomakethewarmingstripeswidelyaccessibleandlaunchedawebsite.Withinaweek,thesitehad

morethanonemilliondownloadsfromacross180countries.

Meteorologist（氣象學家）BernadetteWoodsPlackyfirstsawthestripesonFacebookin2018.Whena

weatherpresenterprintedthedesignonatietowearonTV,andaskedifanybodyelsewantedtojoin,Bernadette

sawanopportunityforthecommunitytocollaborate.TheypartneredwithHawkins,universities,theWorld

MeteorologicalOrganization,andothers,andhadaWhatsAppgroupwithTVweatherpresentersfrommorethan

100countries.

The“warmingstripes^^imagehasbeenembracedbyactivistsglobally.ThestripeshavebeenworninLondon

FashionWeekcatwalksanddisplayedonpublictransportinEurope,decoratedbuildingsandevennaturallandmarks

inEngland.Cycling4Climate,afoundationthathasorganizedridesinsixcountriestopromoteclimatechange

awareness,chosethestripepatternasauniformbecauseofthestrongmessageitconveys.

Thewarmingstripesmaynotnecessarilybethesolution,butperhapstheyrepresentafirststepinrecognizing

theproblem.

9.Whatcanweknowaboutthewarmingstripes?

A.Theyconsistofabarcodeandanormalgraph.

B.Theyareapracticalapproachtoglobalwarming.

C.Theyrevealthecausesofglobalclimatechanges.

D.TheygoglobalduetotheworkofBernadetteandEdHawkins.

10.Whatdoestheunderlinedword"collaborate"inparagraph4mean?

A.Cooperate.B.Resolve.C.Dominate.D.Interrupt.

11.Whatisthewriter'sattitudetothewarmingstripes?

A.Doubtful.B.Cautious.C.Favorable.D.Conserved.

12.Whatisthefocusofthepassage?

A.Avisualreminderofglobalwarming.

B.Acommonphenomenonofclimatecrisis.

C.Arealisticprojectplanforsettlingclimateissues.

D.Acomprehensiveinitiativeofenvironmentconservation.

（23-24高二下?浙江紹興?期末）Slowtravelmainlyreferstothespeedofwhichatripistaken,where

travelerstakeatrainthroughEuropeinsteadofflying,forexample.However,italsohasabroadermeaningof

touristsstayingindestinationsforlonger,emphasizingaconnectionwithlocalpeople,culture,foodandmusic.This

meansthatslowtravelisalsomoresustainableforlocalcommunitiesandtheenvironment.

JohannaBonhill-Smith,TravelTourismAnalystatGlobalData,comments:"'Variousconsumertrends

alreadysuggestthatslowtravelcouldtakeoffsoon.Atriplongerthantennightsismorehighlydesired（22%）thana

dayvisit(10%)orshortbreakawayfromonetothreenights(14%)accordingtoalivepollfromGlobalData.^^

Thereisalsoalargerremoteworkforceacrosstheglobe.Over70%ofglobalrespondentschooetowork

remotelyfulltimeorhaveamixtureofbothremoteandofficeworkinanotherGlobalDatapoll.Manyofficesare

likelytobemoreflexibleregardingworkinghoursandthelocationofanemployee,meaningcombiningworkand

leisurewillbeeasierforemployees.

Sustainabilityisalsoattheforefrontofconsumers5decisions.'"Supportingsocialcauses^^wasidentifiedasa

keydriverinproductpurchasesfor25%ofglobalrespondentsinGlobalData^QI2021consumersurveyandfor45%

thiswas"nicetohave”.Preferenceforproductscanreflectonservicetrendsandthisidentifiesthatconsumersmay

feelmoreinclinedtosupportlocalcommunities,whichisagapthat"slowtravel5canfill.

Bonhill-Smithadds:"Slowtravelissuretomakeitsmarkintravel.Thistrendreflectsconsumers9growing

desireformoreexperientialformsoftravel,goingaboveandbeyondthehordes(成群)oftouristsgatheredforsun,

seaandsand.Itspotentialgrowthcouldfurtherrivaltheconceptofmasstourismandtheall-inclusivepackage

holidayconceptintravel'snewtrend.9,

13.Whichcanbeaproperexampleofslowtravel?

A.TotakeadirectflighttoEnglandfromFrance.

B.TospendonedayinLondonandtastedfoodthere.

C.Toliveinalocalhouseforan8-daystayinItaly.

D.ToattendamusicfestivalinSpainandreturninaday.

14.HowdoesBonhill-Smithknowslowtravelcouldtakeoff?

A.Byconductinganon-siteresearch.

B.Byinterviewingtheglobalrespondentsonline.

C.Byanalyzingcomprehensivedatafromalivepoll.

D.Bypredictingtheconsumertrendsaccordingtohisexperience.

15.Whatfeaturesheavilyinconsumerdecisions?

A.Satisfyingone'spersonaldesireforproducts.

B.Pursuingsustainabilityinsupportofsocialcauses.

C.Seekingflexibilityinshoppingtimeandexpectations.

D.Decliningtoformanassociationwithlocalcommunities.

16.Whatdoesthelastparagraphimply?

A.Experientialtravelcloselyrelatestotourists*culturalcompetence.

B.Thetopbeachdestinationsareappealingtogroupsoftourists.

C.All-inclusivepackageholidayispopularnowadays.

D.Slowertravelcouldbethenextbigtourismtrend.

（23-24高二下?黑龍江哈爾濱?期末）Issocialmediareallymakingyoungpeopleantisocial（孤僻的）？A

surprisingnewstudyfindsthatchildrenandyoungadultswhousetheseplatformsthemostareactuallymoreactive

intherealworldthanothers!Thenewfindingscomefromalong-termprojectcalledtheTrondheimEarlySecure

Study.Researcherscollectedinformationfromabout800childrenandyoungadultswhentheywere10,12,14,16,

and18yearsold.Thisincludedinterviewsabouteachchild'suseofsocialmediafromyeartoyear.Thegoalwasto

determineifusingsocialmediaaffectsayoungperson'soverallsocialskills.

Totheteam'ssurprise,participantsfrequentlyusingtheseplatformsdidnotseetheirsocialskillsreduced.

“Onthecontrary,wefindthatpeoplewhousesocialmediaalotspendmoretimewithfriendsofflinethanthosewho

tendtolimittheirscreentime,“saysProfessorSiljeSteinsbekkfromtheNorwegianUniversityofScienceand

Technology'sDepartmentofPsychology.

However,socialmediacanpresentchallengesforchildrenandteens.Althoughitoffersaconvenientand

comfortablewayforthosewithsocialanxietytocommunicate,itcanalsoleadtoaddictionandmisuse.Studieshave

suggestedthatyoungpeoplewithanxietyaremoreeasilyaffectedbythenegativeeffectsofsocialmedia,whichcan

worsentheirsymptomsandharmtheirmentalhealth.Therefore,itiscrucialforparentstomonitortheirchildren's

onlineactivityandusage.

Despitetheriskstosome,theteamsaystheirfindingsdebunkthebeliefthatsocialmediacausesyoungpeople

tobecomesociallyisolated.Infact,theirfrequentuseofsocialplatformsmayactuallygivethemmoreopportunities

toconnectwitholdandnewfriendsandsetupchancestogooutandsocializeoutdoors.

17.Whatdoesthestudyfocuson?

A.Theimportanceofyoungpeople'ssocialskills.

B.Theimpactofsocialmediaonyoungpeople.

C.Reasonsforpeoplebecomingisolatedfromthecommunity.

D.Waystopreventchildrenfrombecomingaddictedtosocialmedia.

18.Whomayprobablybemoreactiveintherealworldaccordingtothestudy?

A.Ateenagerwhousessocialmediafrequently.

B.Aboywhonevermakesfriendsonline.

C.AgirlwhoseldomsurfstheInternet.

D.Anewparentwhoisexperiencingsocialanxiety.

19.Whatcanbeinferredfromparagraph3?

A.Negativeemotionscauseteenstomisusesocialmedia.

B.Kidsaremoreeasilyinfluencedbysocialmediathanadults.

C.Onlinecommunicationcanhelpimprovepeople'smentalhealth.

D.Socialmediaisadouble-edgedswordforyoungpeoplewithanxiety.

20.Whatdoestheunderlinedword"debunk“inthelastparagraphprobablymean?

A.Explain.B.Ignore.

C.Confirm.D.Contradict.

（23-24高二下?湖南岳陽?期末）Anewstudyexaminespossibleharmcausedbymicroscopicpiecesof

plasticthatendupinsidepeople'sbodies.Thesematerials-knownasmicroplasticsandnanoplastics-canenter

thebodythroughtheairorinfoodordrinks.

Onenewstudysuggeststhebuildupofsuchplasticsinsidethebodycanincreasetheriskofastroke,heart

attackordeath.Buttheresearchersnotedtheevidencepresentedcannotproveadirectlinkbetweentinyplastic

materialsandheartproblems.

Thestudyinvolved257peoplewhohadmedicaloperationstoclearblockedbloodvessels（血管）intheir

necks.Italianresearchersexaminedthefattybuildupthedoctorsremovedfromthecarotidarteries,whichsupply

bloodandoxygentothebrain.Usingtwomethods,theyfoundevidenceofplastics-mostlynanoplasticsthat

cannotbeseen-inthearteryplaque（動脈斑塊）of150patients.Noevidenceofplasticswasseenin107patients.

Theteamfollowedthesepeopleforthreeyears.Duringthattime,30individuals,or20percentofthegroup

withplastics,hadaheartattack,stroke,ordiedfromanycause.Theseratesdroppedtoabouteightpercentamong

thosewithnoevidenceofplastics.ResearchresultswererecentlypublishedinastudyintheNewEnglandJournal

ofMedicine.

Theresearchersadmittedtheirstudywasverysmall.Forexample,itonlylookedatpeoplewithnarrowed

arterieswhowerealreadyatriskforheartattacksandstroke.

SteveNissenisaheartexpertattheClevelandClinicinthestateofOhiowhowasnotpartofthestudy.He

toldtheAssociatedPresshethinkstheteam'sestimatethattheriskofheartattack,strokeordeathwasfourtimes

greaterseemstoohigh."Itwouldmeanthatthesemicroplasticsarethemostimportantcauseofcoronaryheart

disease（冠心?。﹜etdiscovered.AndIjustdon'tthinkthafslikelytoberight,“Nissensaid."Maybe,ifsjusta

wake-upcallthatperhapsweneedtotaketheproblemofmicroplasticsmoreseriously.Nissenadded.

21.Howdidtheresearcherscarryout