专题05-阅读理解之说明文(原卷版)

专题05阅读理解之说明文 难度：★★★★☆建议用时：40分钟得分： 2022年新高考I卷之B篇Likemostofus,Itrytobemindfuloffoodthatgoestowaste.Thearugula(芝麻菜)wastomakeanicegreensalad,roundingoutaroastchickendinner.ButIendedupworkinglate.Thenfriendscalledwithadinnerinvitation.Istuckthechickeninthefreezer.Butasdayspassed,thearugulawentbad.Evenworse,Ihadunthinkinglyboughtwaytoomuch;IcouldhavemadesixsaladswithwhatIthrewout.Inaworldwherenearly800millionpeopleayeargohungry,“foodwastegoesagainstthemoralgrain,”asElizabethRoytewritesinthismonth’scoverstory.It’sjaw-droppinghowmuchperfectlygoodfoodisthrownaway—from“ugly”(butquiteeatable)vegetablesrejectedbygrocerstolargeamountsofuneatendishesthrownintorestaurantgarbagecans.Producingfoodthatnooneeatswastesthewater,fuel,andotherresourcesusedtogrowit.Thatmakesfoodwasteanenvironmentalproblem.Infact,Roytewrites,“iffoodwastewereacountry,itwouldbethethirdlargestproducerofgreenhousegasesintheworld.”Ifthat’shardtounderstand,let’skeepitassimpleasthearugulaatthebackofmyrefrigerator.MikeCurtinseesmyarugulastoryallthetime—butforhim,it'smorelike12bonesofdonatedstrawberriesnearingtheirlastdays.CurtinisCEOofDCCentralKitcheninWashington,D.C.,whichrecoversfoodandturnsitintohealthymeals.Lastyearitrecoveredmorethan807,500poundsoffoodbytakingdonationsandcollectingblemished(有瑕疵的)producethatotherwisewouldhaverottedinfields.Andthestrawberries?Volunteerswillwash,cut,andfreezeordrythemforuseinmealsdowntheroad.Suchmethodsseemobvious,yetsooftenwejustdon’tthink.“Everyonecanplayapartinreducingwaste,whetherbynotpurchasingmorefoodthannecessaryinyourweeklyshoppingorbyaskingrestaurantstonotincludethesidedishyouwon’teat,”Curtinsays.24.Whatdoestheauthorwanttoshowbytellingthearugulastory?A.Wepaylittleattentiontofoodwaste. B.Wewastefoodunintentionallyattimes.C.Wewastemorevegetablesthanmeat. D.Wehavegoodreasonsforwastingfood.25.Whatisaconsequenceoffoodwasteaccordingtothetest?A.Moraldecline. B.Environmentalharm.C.Energyshortage. D.Worldwidestarvation.26.WhatdoesCurtin’scompanydo?A.Itproduceskitchenequipment. B.Itturnsrottenarugulaintocleanfuel.C.Ithelpslocalfarmersgrowfruits. D.Itmakesmealsoutofunwantedfood.27.WhatdoesCurtinsuggestpeopledo?A.Buyonlywhatisneeded. B.Reducefoodconsumption.C.Goshoppingonceaweek. D.Eatinrestaurantslessoften.2022年新高考I卷之C篇Theelderlyresidents(居民)incarehomesinLondonarebeinggivenhenstolookaftertostopthemfeelinglonely.Theprojectwasdreamedupbyalocalcharity(慈善组织)toreducelonelinessandimproveelderlypeople’swellbeing,Itisalsobeingusedtohelppatientssufferingdementia,aseriousillnessofthemind.Staffincarehomeshavereportedareductionintheuseofmedicinewherehensareinuse.Amongthosetakingpartintheprojectis80-year-oldRuthXavier.Shesaid:“IusedtokeephenswhenIwasyoungerandhadtopreparetheirbreakfasteachmorningbeforeIwenttoschool.”“Iliketheprojectalot.Iamdownthereinmywheelchairinthemorninglettingthehensoutanddownthereagainatnighttoseethey’vegonetobed.”“It’sgoodtohaveadifferentfocus.Peoplehavebeenbringingtheirchildrenintoseethehensandresidentscomeandsitoutsidetowatchthem.I’menjoyingthecreativeactivities,anditfeelsgreattohavedonesomethinguseful.”Therearenow700elderlypeoplelookingafterhensin20carehomesintheNorthEast,andthecharityhasbeengivenfinancialsupporttorollitoutcountrywide.WendyWilson,extracaremanagerat60PenfoldStreet,oneofthefirsttoembarkontheproject,said:“Residentsreallywelcometheideaoftheprojectandthecreativesessions.Wearelookingforwardtothebenefitsandfuntheprojectcanbringtopeoplehere.”LynnLewis,directorofNottingHillPathways,said:“Wearehappytobetakingpartintheproject.Itwillreallyhelpconnectourresidentsthroughasharedinterestandcreativeactivities.”28.Whatisthepurposeoftheproject?A.Toensureharmonyincarehomes. B.Toprovidepart-timejobsfortheaged.C.Toraisemoneyformedicalresearch. D.Topromotetheelderlypeople’swelfare.29.HowhastheprojectaffectedRuthXavier?A.Shehaslearnednewlifeskills. B.Shehasgainedasenseofachievement.C.Shehasrecoveredhermemory. D.Shehasdevelopedastrongpersonality.30.Whatdotheunderlinedwords“embarkon”meaninparagraph7?A.Improve. B.Oppose. C.Begin. D.Evaluate.31.Whatcanwelearnabouttheprojectfromthelasttwoparagraphs?A.Itiswellreceived. B.Itneedstobemorecreative.C.Itishighlyprofitable. D.Ittakesagestoseetheresults.（2023·浙江·校联考模拟预测）ItiseasytobedoubtfulaboutannouncementsofdrugsthatclaimtoslowtheprogressofAlzheimers,themostcommonformofdementia(痴呆).AnewdrugcalledLecanemab,however,maybetherealdeal.Resultsofaclinicaltrial,conductedbyitsmakers,Eisai,ofTokyo,andBiogen,ofCambridgeMassachusetts,havejustbeenannouncedintheNewEnglandJournalofMedicine(November;2022).After18months,ithadslowedtheprogressofsymptomsbyaquarter.Thetrialinvolved1795participantswhowereintheearlystagesoftheillness.Halfreceivedthedrug.Theothers,aplacebo(安慰剂).Itshowedtwothings.Onewasthemodestbutmeasurableslowingofprogression.TheotherwasthatanexplanationofAlzheimerscalledtheAmyloidHypothesis(淀粉样蛋白假说)seemscorrect.AmyloidisaproteinwhichaccumulatesinpartsofthebrainsofthosewithAlzheimers,whichisanestablishedsignoftheillness.Lecanemab,containingaspecialantibody,isfoundtobeabletoattachitselftoamyloidandthenattractsimmune-systemcellstocleartheproteinaway(andmeasurablydidsointhosereceivingthedrug).ThatsuggestsamyloiddoesindeeddirectlycreateproblemsassociatedwithdementiaandthatLecanemabcanslowdownthedevelopmentofthedisease.Thisisasmallfirststep.Someexpertsquestionwhetherthetestusedtoshowanimprovementinsymptomsisclinicallymeaningfulbecauseamyloidcanbedetectedonlywiththehelpofapieceofexpensiveequipment,whichisnotsomethingthatcaneasilybeturnedintoaroutineprogram.Moreover,Lecanemabalsocausedswellingandbleedingofthebraininanumberofparticipants.Nowthatthenewdrughasbeenshowntowork,itcanbefollowedupwithfurthertests.Hopeformoregoodnewssoon.1．Whatcanbelearnedfromthefirsttwoparagraphs?A．ThepublicshowsconfidenceinnewdrugsforAlzheimers.B．Allparticipantsdidn’treceivethenewdrug.C．Thenewdrughadanobviouseffectontheparticipants.D．Ittook18monthstomakethenewdrug.2．Theauthorexplainstheeffectivenessofthenewdrugby_______.A．illustratinghowthedruginteractswithamyloidinbodyB．describinghowimmune-systemworksindetailC．makingcomparisonsbetweentwogroupsofparticipantsD．quotingthecommentsofotherscientists3．Whichofthefollowingisadrawbackofthenewdrug?A．Itcan’tbeaccessedeasilyindailytreatment.B．Itcancausesomeside-effects.C．Itcoststoomuchforordinaryfamilies.D．Itneedstobefurthertestedbeforeitslaunch.4．WhatdoestheauthorthinkofLecanemab?A．Reliable. B．GroundbreakingC．Promising D．Risky.（2023·安徽淮北·统考一模）Acollegeprofessoratmyuniversityyearsagoshockedhisclasswithafrog.Heshowedoffawoodfrogthatwasstillalivebutfrozensolid.Thensuddenly,hethrewitagainstawallanditbrokeintopieces.Everyonetookaquickdeepbreath.Momentslater,heexplainedthathehadn’tactuallythrownthefrog.Fordramaticeffecthehadswitchedthefrogforalargepieceofice.Butthegoalwastoillustrateapoint:Thatawoodfrogdoesinfactfreezeassolidasicetosurvivethewinter.Thenitthawsagaininthespring.ThewoodfrogisoneofthemostfrequentlystudiedanimalsonEarththatfreezes.First,it’sliquid,it’shoppingaround,thenicecomesonitfromtheoutside.Itsskingetsfrozenalittlebit,itseyesglazeover,itsbrainfreezes,andicepushesbloodtothefrog’sheartbeforeeventuallythat,too,isrocksolid.Thistransitionrequiresmajorchangesinbiochemistry.Iceslowlyformsaroundtheoutsideoforgansandcells.Atthesametime,thefrog’sliverpumpsoutincredibleamountsofglucose—asugaryliquidthatactslikeantifreezeforvitalorgans—thatflowseverywhereincludingtheinsidesofcellstokeepthemfromdying.Buttruesupercoolinginnature—andespeciallywithhumanorgans—comeswithrisks,saysShannonTessier,anassistantprofessoratHarvardMedicalSchoolwhostudieshowsuspendedanimationinnaturecantranslatetohumanorgantransplants.Woodfrogsandotheranimalsthatsurviveextremeconditionsinnaturehavemanyapplicationsinmedicine,especiallyintheworldoforgantransplants,Tessiersays.Ahumanheart,forexample,canonlyexistoutsidethebodyforaboutfourhours.“Sowe’retryingtousetheprinciplesfromwoodfrogswithhighamountsofglucoseandfreezeawholeheartorotherorgan,keepitinsuspendedanimation,safelyawakeit,andtransplantit.”5．Whydidthecollegeprofessortakeafrogtotheclass?A．Toshowoffhisamazingpet. B．Toswitchapieceoficewithit.C．Totellstudentssomefrogfacts. D．Toconductaspecialexperiment.6．Whatdoestheunderlinedword“thaws”meaninparagraph1?A．Freezesitself. B．Comestolife. C．Becomeswarm. D．Turnsbackintowater.7．Whatprotectsthefrozenfrogfromdying?A．Itsicycell. B．Itsvitalorgan. C．Itswarmblood. D．Itssugaryliquid.8．Whowillprobablybenefitfromthefrog’sprinciplesaccordingtoShannonTessier?A．Theonewhohastotakeahearttransplantoperation.B．TheonewhoisapplyingfortheHarvardMedicalSchool.C．Theonewhoworksonthedevelopmentofanewmedicine.D．Theonewhoplanstoexperienceextremeconditionsinnature.（2023·广东深圳·统考一模）Whenputtotests,beeshavelongprovedthatthey’vegotalotmoretoofferthanpollinating(授粉),makinghoneyandbeingloyaltoaqueen.Thehard-workinginsectscanchangetheirbehaviorwhenthingsseemdifficult,andnowsomescientistsfindthereisproofthattheyalsoliketoplay.ScientistsfromQueenMaryUniversityofLondonperformedanexperiment,inwhichtheysetupacontainerthatallowedbeestotravelfromtheirnesttoafeedingarea.Butalongtheway,thebeescouldchoosetopassthroughaseparatesectionwithsomesmallwoodenballs.Over18days,thescientistswatchedasthebees“wentoutoftheirwaytorollwoodenballsrepeatedly,despitenoapparentincentive(刺激)todoso.”Earlierstudieshaveshownthattheblackandyellowbugsarewillingtolearnnewtricksinexchangeforfoodorotherrewards.Inthiscase,togetridofexternalfactors,scientistsmadesurethebeeshadadaptedtotheirnewhomeandthattheirenvironmentwasstress-free.Thefindingsuggeststhatlikehumans,insectsalsointeractwithobjectsasaformofplay.Alsosimilartopeople,youngerbeesseemtobemoreplayfulthanadultbees.“Thisresearchprovidesastrongindicationthatinsectmindsarefarmorecomplicatedthanweimagine.Therearelotsofanimalswhoplayjustforthepurposeofenjoyment,butmostexamplescomefromyoungmammals(哺乳动物)andbirds,”saidLarsChittka,aprofessorofsensoryandbehavioralecologyatQ