XX湖南張家界高考英語閱讀理解練習(xí)出guo高考頻道在考試后及時公布各科高考試題答案和高考作文及試卷專家點評。請廣大考生家長關(guān)注，祝福廣大考生在xx年高考中發(fā)揮出最佳水平，考出好成績!同時祝愿決戰(zhàn)xx高考的新高三學(xué)員能倍加努力，在xx年高考中也能取得優(yōu)異的成績。Plantscan?tmunicatebymovingormakingsounds,asmostanimalsdo.Instead,plantsproducevolatilepounds，chemicalsthateasilychangefromaliquidtoagas.Aflower?ssweetsmell,forexample,esfromvolatilepoundsthattheplantproducestoattractinsectssuchasbugsandbees.Plantscanalsodetectvolatilepoundsproducedbyotherplants.Atreeunderattackbyhungryinsects,forinstance,maygiveoffvolatilepoundsthatletothertreesknowabouttheattack.Inresponse,theothertreesmaysendoffchemicalstokeepthebugsaway—orevenchemicalsthatattractthebugs?naturalenemies.Nowscientistshavecreatedaquickwaytounderstandwhatplantsaresaying:achemicalsensor(傳感器)calledanelectronicnose.The“enose”cantellpoundsthatcropplantsmakewhenthey?reattacked.Scientistssaytheenosecouldhelpquicklydetectwhetherplantsarebeingeatenbyinsects.Buttodaytheonlywaytodetectsuchinsectsistovisuallyinspectindividualplants.Thisisachallengingtaskformanagersofgreenhouses，enclosedgardensthatcanhousethousandsofplants.Theresearchteamworkedwithanenosethatrecognizesvolatilepounds.Insidethedevice,13sensorschemicallyreactwithvolatilepounds.Basedontheseinteractions,theenosegivesoffelectronicsignalsthatthescientistsanalyzeusingputersoftware.Totestthenose,theteampresenteditwithhealthyleavesfromcucumber,pepperandtomatoplants,allmongreenhousecrops.Thenthescientistscollectedsamplesofairarounddamagedleavesfromeachtypeofcrop.Theseplantshadbeendamagedbyinsects,orbyscientistswhomadeholesintheleaveswithaholepunch(打孔器).Theenose,itturnsout,couldidentifyhealthycucumber，pepperandtomatoplantsbasedonthevolatilepoundstheyproduce.Itcouldalsoidentifytomatoleavesthathadbeendamaged.Butevenmoreimpressive,thedevicecouldtellwhichtypeofdamage—byinsectsorwithaholepunch—hadbeendonetothetomatoleaves.Withsomefinetuning，adeviceliketheenosecouldonedaybeusedingreenhousestoquicklyspotharmfulbugs,theresearcherssay.Adevicelikethiscouldalsobeusedtoidentifyfruitsthatareperfectlyripeandreadytopickandeat,saysNataliaDudareva,abiochemistatPurdueUniversityinWestLafayette,Ind.whostudiessmellsofflowersandplants.Hopefully,scientistsbelieve,thedevicecouldbringlargebenefitstogreenhousemanagersinthenearfuture.[語篇解讀]植物會說話嗎?植物如何“交流”?本文中的科學(xué)家們正在嘗試用enose來測試植物受到傷害時的反應(yīng)。1.Welearnfromthetextthatplantsmunicatewitheachotherby________.A.makingsomesoundsB.wavingtheirleavesC.producingsomechemicalsD.sendingoutelectronicsignals[解析]事實細(xì)節(jié)題。從文章第一段中的“Instead，plantsproducevolatilepounds，chemicalsthat...”可知，植物通過它本身所產(chǎn)生的一種化學(xué)物質(zhì)來進(jìn)行交流，所以答案選C。[答案]C2.Whatdidthescientistsdotofindoutiftheenoseworked?A.Theypresenteditwithallmoncrops.B.Theyfixed13sensorsinsidethedevice.C.Theycollecteddifferentdamagedleaves.D.Theymadetestsondamagedandhealthyleaves.[解析]邏輯推理題。從文章第五段可知，為了證實enose的效果，科學(xué)家用受到傷害的葉子與健康的葉子來測試。所以選D。[答案]D3.Aordingtothewriter,themostamazingthingabouttheenoseisthatitcan________.A.pickoutripefruitsB.spottheinsectsquicklyC.distinguishdifferentdamagestotheleavesD.recognizeunhealthytomatoleaves[解析]事實細(xì)節(jié)題。從倒數(shù)第二段中的“Butevenmoreimpressive，thedevicecouldtellwhichtypeofdamage...”可知，最令人驚奇的是enose能夠分辨葉子受到的不同的“傷害”。[答案]C4.Wecaninferfromthelastparagraphthattheenose________.A.isunabletotellthesmellofflowersB.isnotyetusedingreenhousesC.i