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阅读理解解密01主旨要义（分层训练）1.【辽宁省葫芦岛市协作校2022-2023学年高三上学期第二次考试】BDouglasSmith,ngardenerfromHertfordshire.theU.K.,recen

tlysetanewGuinnessWorldRecordforthemosttomatoesgrownonasinglestem(茎),1,269.Upuntillastsummer,therecordforthemosttomatoesgrownon

asinglestemhadstoodunchallengedforoveradecade.ThenEnglishfarmerDouglasSmithsethissightonbreakingit,thinkingthathecouldgrowmorethan488fruitsonss

inglestem.Heprovedthatlastyear,whenhemanagedtobreaktheoldrecordbygrowing839tomatoesonagreenhouse-grownplant.Itwasquiteanachievement,buth

ewasonlygettingstarted,asonlyafewweekslaterDouglasSmithbrokehisownrecordbygrowingnolessthan1,269tomatoesonasinglestem.IsDouglasSmithag

ardeningaddict?Hespendsuptofourhoursadayinhisbackgardentendinghisplants,andhasbeenworkinghardonbecomingthebestpossiblegardenertheworldhaseverseen.Tom

aximizehischancesofsettinganewworldrecord,hereadvariousscientificpapersandeventooksoilsamplestobetestedinalaboratory.Andintheend,theyallpaidoff.“Iam

overthemoon,”Douglassaid.“Thisyearwasonlymeanttobeanexperimentalyeartoseewhichvarietieswouldproducethemost

fruitsandwehadtofightwithearlyblight(疫病),whichputpaidtoanumberofothertomatoplants.I’mamazedbyhowmany

tomatoeswereontheplantintheend.”Growing1,269tomatoesonasinglestemisonlyDouglasSmith’slatestachievement.In2020,hegrewa20-f

oot-tallsunflower,andalsosetanewnationalrecordfortheheaviesttomato,witha3.106kgtomato.Helikestorunlittleexperimentsonothervegetablesand

crops,andheiscurrentlyexperimentingonpeas,auberginesandpotatoes.1．WhatcanweknowaboutDouglasSmithfromparagrap

h2?A．Hebroketheoldrecordtwice.B．Hehadplantedthebesttomatoes.C．Hethoughtbreakingtherecordwaseasy.D．Hehadworkedtobreak

therecordforadecade.2．WhichofthefollowingcandescribeDouglasSmithbest?A．Strictandtolerant.B．AttractiveandbraveC．P

atientandhard-working.D．Friendlyandhumorous.3．WhatmaybeachallengeforDouglasSmithtobreaktheoldrecord?A．Alackofmoney.B．Skillshortages.C．Buil

dingalaboratory.D．Dealingwiththeblight.4．Whatisthelastparagraphmainlyabout?分层练AA．Therecord’ssignificance.B．DouglasSmith’snextp

lan.C．Thedetailsabouttheheaviesttomato.D．MoreinformationaboutDouglasSmith’splanting.2.【湖北省宜城一中、枣阳一中等六校2022-2023学年高三上学期期中】BJu

stastheshinybrochurepromised,fromthemomentIsetfootontheHarvardcampuslastfall,Iwasexposedtoanexcitingandenlighteningnewworld.Iwasbornandraised1

,500milesaway,inasmallapartmentinJackson,Mississippi.Iamtheonlychild,somymotheroverpoweredmewithherlov

e.Forsomeonewhoseessomuchbeautyintheworld,sheworkedawfullyhardtoprotectmefromit.Television,rapmusic,andevenbasketballwitht

hekidsontheblockwasbeyondconsideration.Itleftmeabitbitterasateenager,butIgrewtoappreciateherenormoussacrifices

(牺牲)—walkingmetothelibraryeveryafternoon,laboringatmultiplejobstokeepfoodonthetable,andtellingmestorieslate

intothenight.WhenIannouncedthesummerbeforemysenioryearofhighschoolthatIhaddecidedtoapplytoHarvard,Inoticedherhesitantlookbeforeawarmsmile

envelopedherface.Ipretendednottosee,butIwasneverabletoforgetit.Itriedtoexplainmyreasonsforwantingtoleave-toproveIwassmartenough,fearoftakingth

epathofleastresistance,theclassicteenagefeelingofbeingtrapped—butthewordsjustmademesoundshallowandungrateful.Nevertheless,

Ibegantoworkonthecollegeapplications-anearlyoneforHarvardandroughlyadozenothersstandingby.IknewthechanceofgettingintoHarvard

wasnotinmyfavor.Tomyjoy,IwasinformedofmyacceptanceintoHarvardthreedaysbeforemybirthday.Thatnight,afteral

lofthecelebratorytextsandhugs,Isatinmyroomandbegantocryuncontrollably.Overthecourseofthisyear,IhavechangedinwaysIneveranticipat

ed.IthinkIknownowwhymymotherletmego.Harvardhasforcedmetogrowandtakeafairlookattheworld,andatmyself.Needlesstosay,Iwouldnottradetheexperienceforanythi

ng.1．TheunderlinedwordinParagraph2mostprobablymeans________.A．madeadifferencetoB．madepeacewith2．Whatwasthemother’sfirstresponsetotheau

thor’sdecision?A．Shewasworriedaboutit.B．Shelaughedatit.C．Sheapprovedofitimmediately.D．Sheturnedadeafeartoit.3．Whatdidtheauthorsayabouthisadmissio

ntoHarvard?A．Itdeservedabigcelebration.B．Itservedasalatebirthdaypresent.C．Itwasbeyondhisexpectations.D．Itwa

safavorheowedhismother.4．Whichofthefollowingcanbethebesttitleforthetext?A．LifelongLearninginHarvardB．ReflectionsontheRoadtoHarvardC．W

hatHarvardMeanstoMyMotherandMeD．HowHarvardShapesMyTeenageYears3.【河南省新乡市2023届高三上学期第一次模拟】DOneofthemostcommonbeliefsamongresearchersisth

athumansfirstarrivedinNorthAmerica16,000yearsago.Accordingtoarecentfossildiscovery,thatmightnotbetrue.Thenewfindingsugges

tsthathumansmighthavearrivedinNorthAmericafarearlier.In2013,adamagedmammoth(猛犸象)skullandotherbonesthatlooked“deliberatelybroken

”werefound.Thedamagetothebonessuggestedthathumansweretheoneswhocausedittomaketools.Carbon-datinganalysissuggestedthep

iecesareroughly37,000yearsold.Thisdiscoverycouldshiftourunderstandingofhumans‘earliestexistenceinNorthAmerica.Thesefossil

ssuggesthumanskilledanimalsintheareamuchearlierthan16,000yearsago.Previousresearchledscientiststobelievethefi

rsthumansthatsettledinNorthAmericabelongedtotheClovisculture.Thiswasagroupofpeoplewholeftbehindcarefullymadetools1

6,000yearsago.However,carbon-datinganalysisofthemammothbonesindicatesthatthesiteisaround36,250to38,900yearsold.Thatmeansit

’stheoldestknownsiteleftbehindbyancienthumansinNorthAmerica.“That’snottheonlyinterestingthingaboutthediscovery,”saidTimothyRowe,aprofessor

attheUniversityofTexas.“Thesimilarfindingssupportinganearlierdateforhumanarrivalhavebeenmostlyignored.Thisisbecausetheyhavecontradictedpr

eviousresearch.”Now,however,hethinksthere’sagoodchancethatresearcherswillfindevidenceofhumansfartherbackintime.Thee

arlyhumansshapedbonesintosharpblades,whichwereusedtotakeapartanimals’remains,accordingtoRowe.Therearealsosignsthattheycookedtheanim

albonesoverafiretomeltoffthefat.“Therealevidencethatwehavehastodowiththebreakagepatterns,andhowthoroug

htheyare.Theymusthaveusedrocksorhammerstonestobusttheskeletonapart...Thesepeoplewouldusewhatevertheycould,”RowetoldUSAToday.1．Whatcanbelearnt

abouttheearliesthumansinNorthAmerica?A．Theyarrivedthere16,000yearsago.B．Theycausedmammothtodisappear.C．TheybelongedtotheClovisculture.D．Theycoul

dmaketoolswithbones.2．Whyarethefindingssimilartothenewoneignored?A．Theylackagoodchance.B．Theyfailtodrawatte

ntion.C．Theydisagreewithearlierresearch.D．Theyaren’tstudiedscientifically.3．HowdoesRowefindthenewdis

covery?A．Inspiring.B．Annoying.C．Puzzling.D．Embarrassing.4．Whatcanbeasuitabletitleforthetext?A．TheEarliestHuman

s’SettlinginNorthAmericaB．EvidenceofEarlierHumans’ArrivalinNorthAmericaC．TheEarliestToolMakersinNorthAmericaD．ResearchonMam

mothsinNorthAmerica4.【河北省唐山市部分学校2022-2023学年高三上学期12月月考】CTheuniverseisincrediblyvast.Thediameter(直径)oftheobservableuniverseisestimated

tobeabout93billionlightyearsacross.Withjustoureyes,wecangenerallyonlyseeafewthousandlightyearsworthofdistancethoughtherearesomeobjectswecanseethata

remuchfurtheraway.ThefarthestobjectwecanseewithoureyesisAndromedaGalaxy(仙女座星系)located2.5millionlightyearsaway,andyetitisonlyvisibleifthereislittlelig

htpollution.Inordertoseefartherintospace,wemustrelyontelescopes.Howfarcanweseeusingthemostpowerfultelescopes?TheHubbleSpaceTelescope(HST)wasthere

cordholderforthefarthestvisibledistanceinspaceuntilthelaunchoftheJamesWebbSpaceTelescope(JWST)in2021.JWSTisnowthemo

stpowerfultelescopeeverbuilt,anditisabletoseetheuniverseasitwasonly200millionyearsaftertheBigBang.ThatmeansthatJWSTisabletopiecetogetheranad

ditional300millionyearsofuniversalhistorycomparedtoHST.JWSTwillbeabletostudysomeofthefirstgalaxiestoformaftertheBigBang.Thefarthestphysic

aldistancewecanseeistheCosmicMicrowaveBackgroundRadiation(CMBR).CMBRcanbethoughtofastheecho(回声)oftheBigBangasitistheleftoverradiatio

nfromthebirthoftheuniverse.TheCMBRitselfisthefarthestpossibledistancehumanscanseeasitrepresentsthemomentthattheuniversebecametransparenttol

ight.AlthoughlightdidexistbeforeCMBR,gasanddustweresimplytoodenseforlighttocrossspace.CMBRformedonly380,000yearsaftertheBig

Bang,andsoweareseeingtheuniversepriortotheformationofeventhefirststars.1．WhydoestheauthormentionAndromedaG

alaxy?A．Topresenttheoriginoftheuniverse.B．Tostresstheseverityofspacepollution.C．Toshowthelimitedrangeofhumanvision.D．To

provehumans'wonderfulviewofspace.2．WhatdoweknowaboutJWST?A．Itwaslaunchedin2022.B．ItismoreadvancedthanHST.C．Itcansee30

0millionyearsaftertheBigBang.D．Itwasusedtostudytheformationofthefirstgalaxies.3．Whatdoestheunderlinedword"dense"inthelastparagraphmean?A．Distant.

B．Rare.C．Tiny.D．Thick.4．Whatisthebesttitleforthetext?A．HowFarCanHumansSeeInSpace?B．HowWillJWSTBeApplied?C．HowWillHumansExploreSp

ace?D．HowFarCanJWSTSee?1.【辽宁省葫芦岛市协作校2022-2023学年高三上学期第二次考试】CThesedays,there’sagreenversionofjustabouteverything.Therearecarsthatrun

onelectricityandalternativefuels,housesthatarepoweredbysolarenergyandwindfarmsseeminglypoppinguponeveryopen

spacefromCaliforniatocoastalJapan.Evendrones(无人机)ategettinginontheaction.Theunmannedairvehiclesarealsob

eingputtoenvironmentalusesaroundtheglobe.Theeyeintheskythattheyprovidehelpsresearchersbetterunderstandwhat’sgoingonwitht

henaturalworldinwhichwelive.Forenvironmentalistsandearthscientists,theflyingmachinescanbesentwayupintheairtorecordsweepingfootageofalargeareatot

racktheimpactofthingslikeclimatechange,migrationandtheactsofcuttingdownandburningforesttrees,whichcanbedone

withouthavingtobuyahelicopter,rentaplaneortapeavideocameratoabird.Sure,there’splentyofsatellitefootagealreadyoutthere,butdronesletresearche

rsaccuratelypositionthedatasetthattheywanttogetaquicker,closerlookattheareathatthey’relookingtomonitor.In

2013,forexample,theNationalAeronauticsandSpaceAdministration(NASA)sentadroneintotheTurrialbaVolcanoinCostaRicatogatherdataaboutitsemissions.Th

etemperature,ashheightandgasconcentrationinformationcollectedduringthemissionhelpedearthscientistsdeterminewhichwa

ythevolcanicandpotentiallypoisonousgaseruptingfromthevolcanowasmovingandtakestepstolimititsenvironmentalimpact.Similarly,Arcticresea

rchersareusingdronestohelpstudytemperaturechangeandthemeltingofglaciers.Theyusedronesequippedwithinfrared

(红外线的)camerastosweepintoplacesthattheymayotherwisenotbeabletoreachtomonitorandcollectdataonthemeltingice.Thesameflyin

gmachinesmayalsoeventuallybeusedtotransportotherdatacollectiontoolsintothewild.1．Howdoestheauthorleadinthetopicofthet

ext?A．Bygivingexamples.B．Bylistingdata.C．Bydrawingadistinction.D．Bymakingassumptions.2．Whatmainlymakesdronesusedtobetterwatchnatu

re?A．Thehighsafety.B．Thehugespace.C．Therecoverycapabilityafterdamage.D．Theabilitytocollectdataatahighaltitude.3．Whatdothelasttwoparagraphsm

ainlytellusaboutdrones?A．Theirproductionsteps.B．Theirpracticalfunctions.C．Theirpotentialimpactsontheatmosphere.分层练BD．Theirdatasetformotoringtheenviro

nment.4．Whichisasuitabletitleforthetext?A．Drones:PoisonousB．Drones:Eco-friendlyC．Drones:LimitedD．Drones:Adaptable2.【湖北省宜

城一中、枣阳一中等六校2022-2023学年高三上学期期中】CNearly10millionpeopleworldwidelivewithParkinson’sdisease.WhileParkinson’sisincurab

le,someofitsworstsymptomscanberelievedandcontrolledusingmedications.Amajorproblemofgettingeffectivetreatmentattherighttimeisidentifying

thediseasesoonenough,beforepatientsexperiencethesymptomsbroughtonbyirreversible(不可逆转的)neuronloss.But

scientistsmighthavejustthethingtochangethesituation.Anditinvolvesanose.InastudypublishedinthejournalACSOmega,researchersfromChina’sZ

hejiangUniversitycreatedan“e-nose,”aportabledevicethatcandetectbodysmellsspecifictoParkinson’spatients.I

tmaycomeasasurprisetolearnParkinson’spatientshavetheirownsmells.ButafteraretirednurseinScotlandmadeheadlinesin2015foraheighten

edsenseofsmellthatledtoherownhusband’sParkinson’sdiagnosis,scientistshavebeentryinghardtocreateadevicethatcouldsmellthedisea

sebeforephysicalsymptomsstarttoshow.Overtheyears,scientistshavefoundpeoplewithParkinson’stendtoproducemoresebum(皮脂)th

antheaverageperson.Thissebummixeswithotheroverproducedsubstancestoproducecertain,uniquesmells.Totrackdownthesesmells,theZhejian

gUniversityresearchersswabbed(用拭子擦拭)theupperbacksof31Parkinson’spatientsand32healthyvolunteers.Usingmachine-learnings

oftware,theywereabletoidentifythreesmellcompoundsthathealthyvolunteerslacked.Theresearchersthentestedthee-noseons

ebumtakenfrom12Parkinson’spatientsand12healthypeople.Thedevicewasfoundtobeabout71percentaccurateindistinguis

hinghealthysebumfromParkinson’ssebum.Theseareencouragingfindings,butbeforethee-noseisreadyforclinicaluse,theteamneedstotes

titonmanymorepeopletoimprovetheaccuracyofthemodels.Theywillalsoneedtotestwhetherfactorslikeraceaffectthee-nos

e’sperformanceinanyway.Butfornow,asthenumberofpeoplelivingwithParkinson’sintheU.S.isexpectedtoriseto1.2millionby2030,anosemightbethebestoption

todetectthisdisease.1．WhatmakesitdifficultforParkinson’spatientstogeteffectivetreatment?A．Itsmedicationsareinshortsupply.B

．Itinvolvesirreversibleneuronloss.C．Itsearlysignsarenoteasytonotice.D．It’snotacurablediseasemedically.2．WhatdidtheScottishnursef

ind?A．Herhusband’sbodygaveoffastrangesmell.B．Herhusbandhadaheightenedsenseofsmell.C．Asmellcausedherh

usbandtosufferfromadisease.D．Asmellcouldrelieveherhusband’sParkinson’ssymptoms.3．Whatwilltheresearchersdoconcerningtheirinvention?A．Putitintoclinica

luse.B．Conductabroadertest.C．Createmorelabmodels.D．ExpanditsmarketoutsidetheU.S.4．Whatisthebesttitleforthetext?A．Thise-nosecans

mellParkinson’sB．Parkinson’spatientsproducemoresebumC．PeoplelivingwithParkinson’sareontheriseD．ResearchershavefoundtreatmentforParkinson’s3

.【河北省张家口市部分学校2022-2023学年高三上学期期中】DWhenAnikaPurivisitedIndiawithherfamilyfouryearsago,shewassurprisedtocomeacrossamarketinBombayfilledwithrowsofivo

ryjewelry(象牙饰品)andstatues.Globally,ivorytradehasbeenillegalformorethan30years,andelephanthuntinghasbeenprohibitedinIndiasinceth

e1970s.“Iwasquiteshocked,”the17-year-oldfromNewYork,recalls,“Becausepoaching(偷猎)isillegal,howcomeitisstillsuchabigissue?”Cu

rious,Purididsomeresearchanddiscoveredashockingstatistic:Africa’sforestelephantpopulationhaddeclinedbyabout62percentbetween2002and2011.Yearslat

er,thenumberscontinuedtodrop.Puri,awildlifelover,wantedtodosomethingtohelpprotectthespeciesandothersstillthrea

tenedbypoaching.Overthecourseoftwoyears,PuricreatedEISa,alow-costproductofamachinelearning-drivensoftwarethatanalyzesmoveme

ntpatternsinthermalinfrared(热红外)videosofhumansandelephants.Purisaysthesoftwareisfourtimesmoreaccuratethanexistingstate-of-the

-artdetectionmethods.Italsoeliminatestheneedforexpensivehigh-definitionthermalcameras,whichcancostthousands,shesays.EISausesa$250FLIRON

EProthermalcamerawith206*156resolutionthatplugsintoanoff-the-shelfiPhone6.ThecameraandiPhonearethenattachedtoadrone(无人机),andthesystemproduces

real-timeinferencesasitfliesoverparksastowhetherobjectsbelowarehumansorelephants.Itspotentialimpactonsocietyearnedher

thePeggyScrippsAwardforScienceCommunication.“Researchisn’tastraightline,”Purisays.“Itmakesmeresourceful.Ithelpsmedevelopintoamor

ecreativethinker.”1．WhatinspiredAnikaPuritomaketheinvention?A．OnestudytriptoBombay.B．Thedeeppassionforlaw.C．OnevisitinIndia.D．He

rloveforivory.2．HowdoestheauthorexplainthesituationofAfrica’sforestelephant?A．Bylistingfigures.B．Bymakingcompa

rison.C．Byshowinganexample.D．Byreferringtosomeformerstudies.3．What’stheresearchlikeinAnikaPuri’seyes?A．It’stoughandcan’t

reachthegoal.B．It’sbeneficialtoone’sdevelopment.C．Itreallyrequiresavarietyofresources.D．Itshouldbefurtherdevelopedbecauseoftheneed.4．What

maybethebesttitleofthetext?A．PoachingIsaShockingProblemB．DronesWereAppliedtotheBanonPoachingC．AFantasticDiscoveryWasE

ventuallyMadebyaBrilliantTeenagerD．ATeenagerInventedaLow-CostTooltoSpotElephantPoachersinRealTime4.【安

徽省皖北五校2022-2023学年高三上学期第一次联考】Inrecentyears,wehavealwaysseendifferentkindsofnewenergyvehiclesontheroadfrequently,butdoy

ouknowanythingaboutthem?Inthe21stcentury,withtheincreasingshortageofresourcessuchasoilandnaturalgas,theissueofnon-

renewableresourceshasbecomeamajorconcern.Thetraditionalindustryusesmostlyoilasafuel,andthecarbondioxideprodu

cedbyburningoilhurtstheair.Thevehicleemissions(排放)contributetoglobalwarmingandotherpoisonousgasescauseseriousairpollution.Inresp

onsetotheproblemofvehiclepollution,countriesandregionsworldwidearesettingincreasinglystrictstandardsforv

ehicleemissions.Tocopewiththeincreasingseverityofvehicleemissionstandards,themajorcarmanufacturers(制造商)areno

wmainlyadoptingmethodstoimprovethetechnologyrelatedtotheenginesofconventionalenergyvehicles.Althoughthishasimprovedth

equalityofemissions,itwillbeincreasinglydifficulttoupgradethetechnology.Atthispoint,thedevelopmentofnewenergyvehicleshasbeco

meanewoptionformanufacturers,astheproductionanduseofnewenergyvehicleswillfundamentallysolvetheproblemofvehicleemissions.Therefore,thedevel

opmentofnewenergyvehiclesareanecessityandageneraltrend.Newenergyvehiclesareproposedasopposedtotraditionalve

hicles,whicharemainlyfuelledbypetrol.Anewenergyvehicleisatypeofvehiclethatrunsoncleanenergysources,usingnewenergysourcesasthefuelcommonly

usedtopowerthecarandprovidethedriveenergyforthevehicle.Newenergyvehiclescanbedividedintoseveralcategories,

such-aspureelectricvehicles,fuelcellelectricvehicles,hybrid(混合动力)vehicles,andsoon.Inaddition,newenergyvehicleshavetheadvantageoflo

wenergyconsumptionandlow-carbonenvironmentalprotection.However,althoughnewenergyvehiclesfollowtheconceptofsustainabledevelopment,therearestillmanyp

roblemsandchallengesinthedevelopmentofnewenergyvehicleresearchandproduction.Forinstance,manyissuesrequirespecialisttechnicia

nsandsolutions,andfurtherbreakthroughsareneededinkeytechnologyareas.Inaddition,theefficiencyofnewenergyuseneedstobefurtherimproved,m

akingitdifficulttoformanindustrial-scaleoperationinashortperiod.1．Whatdoesusingnon-renewableresourcesinvit

e?A．Harmtotheplanet.B．Low-carbonlife.C．Lessairpollution.D．Shortageofwater.2．Whichcanbestagreewiththeconceptofsustainabledevelopment?A．Improv

ingenergyefficiencyoftraditionalresources.B．Replacingtheenginesofconventionalenergyvehicles.C．Innovatingvehiclesrelatedtore

newableresources.D．Manufacturingmorecarsandloweringtheirprices.3．Whatdoesthefourthparagraphtalkaboutconcerningthenewenergyvehicles?A．Theso

urce,fuelandadvantage.B．Thedefinition,fuelandprotection.C．Thesource,categoryandconformation,D．Thedefin

ition,categoryandadvantage.4．Whatisexpectedofnewenergyvehicles?A．Theyshouldbereplaced.B．Furtherexploringinneeded.C．Itisunnecessarytoimprove.D．Theycal

lfornomoreenergy.5.【2023届青海省西宁市高三上学期一模】Israeliresearcherssaytheyhaveinventedareusablefacemaskthatcankillthecoronaviruswithheatbydraw

ingpowerfromamobilephonecharger.Thedisinfecting(消毒)processtakesabouthalfanhour—andusersshouldnotwearthemaskwhileitispluggedin,saidProfessorYairEin-El

i,wholedtheresearchteamatTechnionUniversityinHaifa.ThenewmaskhasaUSBportthatconnectstoapowersourcesuchasastandardcell-phone

chargerthatheatsaninnerlayerofcarbonfibresto70degreesCelsius,highenoughtokillviruses.Ein-Elisaiddisposablemaskswerenoteconomicallyorenvironmentall

yfriendly.“Youhavetomakeitreusableandfriendly,andthisisoursolution,”hesaid.ProfessorAllonMoses,aninfectiousdiseasesexpertatJerusalem’sHadas

sahMedicalCenter,saidtherewas“noquestion”thatahalfhour’sexposureto70-degrceheatwouldkillthecoronavirus.Buthecautionedthatrepeatedheatingcould“dam

agethemask’spaperorfabricandspoilitsabilitytoprotectfromdiseasesinthefuture”.Duringtesting,theprototypewasexposedto20heatingcycles,eachforhalfanho

ur,withnoimpactondurability,Ein-Elisaid.“Wecanguaranteeituptoafewdozencycles,withoutanyrisk,”headded.Thepr

ototypclookslikeastandardN95facemask,withavalve(阀)atthefrontandbandstoholditinplacearoundthehead.Theresearcherssubmit

ted(递交)apatentforthemaskintheUnitedStatesinlateMarchandsaytheyarediscussingcommercializingtheproductwiththeprivatesec

tor.1．Howlongdoesthedisinfectingprocessusuallytake?A．Around20minutes.B．Around30minutes.C．Around60minutes.D

．Around70minutes.2．WhydoIsraeliresearchersinventanewfacemask?A．Tokillvirusesthoroughly.B．Tospreadanovelidea.C．Toreplac

ethetraditionalones.D．Tomakereusableandfriendlyones.3．WhatwasAllonMoses’concernaccordingtothetext?A．Thereusableface

maskscouldbeunhealthy.B．70-degreeheatwouldhurtpeopleinaway.C．Thecostofreusablefacemasksmightbehigh.D．Thefunctionofmasktopreventdise

asecouldbeaffected.4．What’sthebesttitleforthetext?A．AMaskforCuringtheCoronavirusB．TheLatestStyleoftheStanda

rdN95C．AKindofMaskKillingViruseswithHeatD．TheCheapestMaskInsteadoftheStandardN95