2023.6.8时文阅读 植物也会“说话”？.docx

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1、难度：4星主题语境：人与自然-自然与环境-自然地理与生物原文选自www.smithsoniannag.cotnswww.ctvnews.ca时文阅读：植物也会“说话”？人在压力大时会沉默，也会爆发，那么机物在面对压力时会怎样？近日，细胞杂志的一项研究揭开了这个隐藏至今的秘密：受到压力时，植物也会“说话”。植物发出的声音类似于爆米花爆裂的咔喀声，音量与人类说话声相当，但频率很高，超出了人耳的听力范围。此前研究曾记录了植物的超声波振动，但这次研究提供了植物声音在空气中传播的第一个证据。让我们一起来看看吧.阅读短文并回答问题Accordingtoanewstudydescribedbyresearc

2、hersasag1oba1breakthrough,p1antsarenotassi1entasweoncethoughttheywere.Theydomakesounds,particu1ar1ywheninjuredorstressed-justnotonesthatwecanhearwithourears.Researchersrecordedandana1yzedsoundsproducedbyp1antsanddiscoveredthattheycanqiveOffc1ickingsoundsatavo1umesimi1artohumanspeech,buttoohighforhum

3、anearstoPiCkitup.InordertoSeC1Udethep1antstoensurethatanysoundpickedupbyrecordingequipmentcou1don1ybecomingfromthep1antsandnottheatmospherearoundthem,researchersatTe1AvivUniversityp1acedp1antsinanacoustic（声学的）boxinanenvironmentwithnobackgroundnoise.Thep1anttypesusedinthisstudyweremain1ytomatoandtoba

4、ccop1ants.ResearchersusedrecordingequipmentCaPabIeOfpickingupfrequenciesbetween20and250ki1ohertz,reachingmorethan15timeshigherthanthemaximumfrequencytheaverageadu1tcanhear.Inthegreenhousesetting,theya1sorecordedagroupoftomatoandtobaccop1antsastheygrewincreasing1ydehydrated（脱水的）,andfoundthattheirsoun

5、doutpointincreasedSteadiIVforthefo11owingfourtofivedaysafterbeingwatered,andthendecreased.ESSeI1tia.thethirstierthep1antsgot,the1oudertheycomp1ainedunti1theyreachedacertainCritiCa1Stageofdehydration,atwhichpointtheirvoicesquietedastheydriedup.Theresearchersa1sofoundthatdehydratedtomatoandtobaccop1an

6、tsproducedanaverageofabout35andi1soundsperhour,resDectiv,e1.Cuttomatoandtobaccop1antsmade25and15noisesperhour.Hea1thyp1ants,ontheotherhand,producedfarfewersounds,at1essthanoneperhour.Recordingthesesoundscou1dhe1pinformfarmersaboutwhichoftheircropsaremostinneedofwater,a11owingformoreDreCiSeirrigation

7、,whichcou1dbeastepforwardforagricu1ture.Whenmoreandmoreareasareexposedtodroughtduetoc1imatechange,efficientwaterusebecomesevenmorecritica1forfoodsecurity.Webe1ievethathumanscanusethisinformation,giventherighttoo1ssuchassensorsthatte11growerswhenp1antsneedwatering,msaid1i1achHadany,aprofessorfromtheS

8、choo1ofP1antSciencesandFoodSecurityattheWiseFacu1tyof1ifeSciences.1. Inwritingparagraph1,theauthoraimsto.A. stateresearchmethodsB. presentresearchfindingsC. C1arifYthepurposesoftheresearchD. exp1ainthesignificanceoftheresearch2. Whatdoestheunder1inedword“sec1ude“inparagraph2probab1ymean?A.Protect.B.

9、Cu1tivate.C.Iso1ate.D.Discover.3. Whatdoweknowabouttheexperiment?A. P1antsmakesoundsmorefrequent1yfor1ackofwater.B. Cutp1antsproduce1oudersoundsthandehydratedones.C. Soundscomingfromp1antsarehardtopickupbydevices.D. P1antsproducefewsoundsinthegreenhouseenvironment.4. Whatdocs1i1achHadanythinkoftheresearch?A. Itcou1dhe1pincreasetheproductionofcrops.B. Itcou1dattractpeop1esattentiontofoodsafety.C. Itcou1dbeapp1iedt。dea1withg1oba1warming.D. Itcou1dbebeneficia1forefficientirrigationinfarming.生词sensorn.传感器语块1. giveoff发出2. dryup干涸声明原文选自swww.ctvnews.ca,试题与内容讲解由天学英语教学研究中心编写。