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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
