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》》》》》历年考试真题——2025年整理《《《《《
2022年考研英语一试题真题及答案
SectionIUseofEnglish
Theideathatplantshavesomedegreeofconsciousnessfirsttookrootintheearly2000s;
theterm“plantneurobiology”was____1____aroundthenotionthatsomeaspectsofplantbehavior
couldbe____2____tointelligenceinanimals.____3____plantslackbrains,thefiringof
electricalsignalsintheirstemsandleavesnonethelesstriggeredresponsesthat____4____
consciousness,researcherspreviouslyreported.
Butsuchanideaisuntrue,accordingtoanewopinionarticle.Plantbiologyiscomplexand
fascinating,butit____5____sogreatlyfromthatofanimalsthatso-called____6____ofplants’
intelligenceisinconclusive,theauthorswrote.
Beginningin2006,somescientistshave____7____thatplantspossessneuron-likecellsthat
interactwithhormonesandneurotransmitters,____8____“aplantnervoussystem,____9____to
thatinanimals,”saidleadstudyauthorLincolnTaiz,“They____10____claimedthatplants
have‘brain-likecommandcenters’attheirroottips.”
This____11____makessenseifyousimplifytheworkingsofacomplexbrain,____12____it
toanarrayofelectricalpulses;cellsinplantsalsocommunicatethroughelectricalsignals.
____13____,thesignalinginaplantisonly____14____similartothefiringinacomplexanimal
brain,whichismorethan“amassofcellsthatcommunicatebyelectricity,”Taizsaid.
“Forconsciousnesstoevolve,abrainwithathreshold____15____ofcomplexityandcapacity
isrequired,”he____16____.”Sinceplantsdon’thavenervoussystems,the____17____that
theyhaveconsciousnessareeffectivelyzero.”
Andwhat’ssogreataboutconsciousness,anyway?Plantscan’trunawayfrom____18____,
soinvestingenergyinabodysystemwhich____19____athreatandcanfeelpainwouldbeavery
____20____evolutionarystrategy,accordingtothearticle.
1.[A]
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