2022年陕西考研英语一试题真题及答案.doc

2022年陕西考研英语一试题真题及答案
SectionIUseofEnglish

Theideathatplantshavesomedegreeofconsciousnessfirsttookrootintheearly2000s;theterm“plantneurobiology”was____1____aroundthenotionthatsomeaspectsofplantbehaviorcouldbe____2____tointelligenceinanimals.____3____plantslackbrains,thefiringofelectricalsignalsintheirstemsandleavesnonethelesstriggeredresponsesthat____4____consciousness,researcherspreviouslyreported.

Butsuchanideaisuntrue,accordingtoanewopinionarticle.Plantbiologyiscomplexandfascinating,butit____5____sogreatlyfromthatofanimalsthatso-called____6____ofplants’intelligenceisinconclusive,theauthorswrote.

Beginningin2006,somescientistshave____7____thatplantspossessneuron-likecellsthatinteractwithhormonesandneurotransmitters,____8____“aplantnervoussystem,____9____tothatinanimals,”saidleadstudyauthorLincolnTaiz,“They____10____claimedthatplantshave‘brain-likecommandcenters’attheirroottips.”

This____11____makessenseifyousimplifytheworkingsofacomplexbrain,____12____ittoanarrayofelectricalpulses;cellsinplantsalsocommunicatethroughelectricalsignals.____13____,thesignalinginaplantisonly____14____similartothefiringinacomplexanimalbrain,whichismorethan“amassofcellsthatcommunicatebyelectricity,”Taizsaid.

“Forconsciousnesstoevolve,abrainwithathreshold____15____ofcomplexityandcapacityisrequired,”he____16____.”Sinceplantsdon’thavenervoussystems,the____17____thattheyhaveconsciousnessareeffectivelyzero.”

Andwhat’ssogreataboutconsciousness,anyway?Plantscan’trunawayfrom____18____,soinvestingenergyinabodysystemwhich____19____athreatandcanfeelpainwouldbeavery____20____evolutionarystrategy,accordingtothearticle.

1.[A]coined[B]discovered[C]collected[D]issued

2.[A]attributed[B]directed[C]compared[D]confined

3.[A]Unless[B]When[C]Once[D]Though

4.[A]copedwith[B]consistedof[C]hintedat[D]extendedto

5.[A]suffers[B]benefits[C]develops[D]differs

6.[A]acceptance[B]evidence[C]cultivation[D]creation

7.[A]doubted[B]denied[C]argued[D]requested

8.[A]adapting[B]forming[C]repairing[D]testing

9.[A]a