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1、2014高考英语阅读理解精英定时训练题(13)及答案【甘肃省嘉峪关市一中2013模拟】DEvenplantscanrunafever,especiallywhenthey'reunderattackbyinsectsordisease.Butunlikehuman,plantscanhavetheirtemperaturetakenfrom3,000feetaway—straightup.Adecadeago,adoptingtheinfrared(红外线)scanningtechnologydevelopedformilitarypur
2、posesandothersatellites,physicistStephenPaleycameupwithaquickwaytotakethetemperatureofcropstodeterminewhichonesareunderstress.Thegoalwastoletfarmerspreciselytargetpesticide(杀虫剂)sprayingratherthanrainpoisononawholefield,whichinvariablyincludesplantsthatdon'thavepestproblem
3、s.Evenbetter,Paley'sRemoteScanningServicesCompanycoulddetectcropproblemsbeforetheybecamevisibletotheeye.Mountedonaplaneflownat3,000feetatnight,aninfraredscannermeasuredtheheatemittedbycrops.Thedataweretransformedintoacolourcodedmapshowingwhereplantswererunning“fevers”.Far
4、merscouldthenspotspray,using50to70percentlesspesticidethantheyotherwisewould.ThebadnewsisthatPaley'scompanycloseddownin1984,afteronlythreeyears.Farmersresistedthenewtechnologyandlongtermbackerswerehardtofind.Butwiththerenewedconcernaboutpesticidesonproduce,andrefinementsi
5、ninfraredscanning,Paleyhopestogetbackintooperation.Agricultureexpertshavenodoubtthetechnologyworks.“Thistechniquecanbeusedon75percentofagriculturallandintheUnitedStates,”saysGeorgeOertherofTexasA&M.RayJackson,whorecentlyretiredfromtheDepartmentofAgriculture,thinksremotein
6、fraredcropscanningcouldbeadoptedbytheendofthedecade.ButonlyifPaleyfindsthefinancialbackingwhichhefailedtoobtain10yearsago.53.Plantswillsendoutanincreasedamountofheatwhentheyare________.A.facinganinfraredscannerB.sprayedwithpesticidesC.inpoorphysicalconditionD.exposedtoexc
7、essivesunrays54.Inordertoapplypesticidesprayingprecisely,wecanuseinfraredscanningto________.A.estimatethedamagetothecropsB.drawacolourcodedmapC.measurethesizeoftheaffectedareaD.locatetheproblemarea55.Farmerscansaveaconsiderableamountofpesticideby________.A.resortingtospot
8、sprayingB.transformingpoisonedrainC.consultinginfraredscanningexpertsD.detectingcropproblemsatan