2025高考英语大二轮专题强化练高考题型组合练作业13　人与动植物类说明文 .docx

2025高考英语大二轮专题强化练高考题型组合练作业13人与动植物类说明文作业13人与动植物类说明文

A

(2020·全国Ⅰ)

Theconnectionbetweenpeopleandplantshaslongbeenthesubjectofscientificresearch.Recentstudieshavefoundpositiveeffects.AstudyconductedinYoungstown，Ohio，forexample，discoveredthatgreenerareasofthecityexperiencedlesscrime.Inanother，employeeswereshowntobe15%more①productivewhentheirworkplacesweredecoratedwithhouseplants.

TheengineersattheMassachusettsInstituteofTechnology(MIT)havetakenitastepfurther—changingtheactualcompositionofplantsinordertogetthemtoperformdiverse，evenunusualfunctions.Theseincludeplantsthathavesensorsprintedontotheirleavestoshowwhenthey’reshortofwaterandaplantthatcandetectharmfulchemicalsingroundwater.“We’rethinkingabouthowwecanengineerplantstoreplacefunctionsofthethingsthatweuseeveryday，”explainedMichaelStrano，aprofessorofchemicalengineeringatMIT.

Oneofhislatestprojectshasbeentomakeplantsglow(发光)inexperimentsusingsomecommonvegetables.Strano’steamfoundthattheycouldcreateafaintlightforthree-and-a-halfhours.Thelight，aboutone-thousandthoftheamountneededtoreadby，isjustastart.Thetechnology，Stranosaid，couldonedaybeusedtolighttheroomsoreventoturntreesintoself-poweredstreetlamps.

Inthefuture，theteamhopestodevelopaversionofthetechnologythatcanbesprayedontoplantleavesina②one-offtreatmentthatwouldlasttheplant’slifetime.Theengineersarealsotryingtodevelopanonandoff“switch”wheretheglowwouldfadewhenexposedtodaylight.

Lightingaccountsforabout7%ofthetotalelectricityconsumedintheUS.Sincelightingisoftenfarremovedfromthepowersource—suchasthedistancefromapowerplanttostreetlampsonaremotehighway—alotofenergyislostduring③transmission.Glowingplantscouldreducethisdistanceandthereforehelpsaveenergy.

1．Whatisthefirstparagraphmainly