资源描述：
《重庆市2013高考英语二轮阅读理解精选训练（06）.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、2013高考英语重庆八中二轮阅读理解精选训练（06）及答案AEvenplantscanrunafever,especiallywhenthey'reunderattackbyinsectsordisease.Butunlikehuman,plantscanhavetheirtemperaturetakenfrom3,000feetaway—straightup.Adecadeago,adoptingtheinfrared(红外线)scanningtechnologydevelopedformilitarypurposes
2、andothersatellites,physicistStephenPaleycameupwithaquickwaytotakethetemperatureofcropstodeterminewhichonesareunderstress.Thegoalwastoletfarmerspreciselytargetpesticide(杀虫剂)sprayingratherthanrainpoisononawholefield,whichinvariablyincludesplantsthatdon'thavepestpro
3、blems.Evenbetter,Paley'sRemoteScanningServicesCompanycoulddetectcropproblemsbeforetheybecamevisibletotheeye.Mountedonaplaneflownat3,000feetatnight,aninfraredscannermeasuredtheheatemittedbycrops.Thedataweretransformedintoacolourcodedmapshowingwhereplantswererunnin
4、g“fevers”.Farmerscouldthenspotspray,using50to70percentlesspesticidethantheyotherwisewould.ThebadnewsisthatPaley'scompanycloseddownin1984,afteronlythreeyears.Farmersresistedthenewtechnologyandlongtermbackerswerehardtofind.Butwiththerenewedconcernaboutpesticidesonp
5、roduce,andrefinementsininfraredscanning,Paleyhopestogetbackintooperation.Agricultureexpertshavenodoubtthetechnologyworks.“Thistechniquecanbeusedon75percentofagriculturallandintheUnitedStates,”saysGeorgeOertherofTexasA&M.RayJackson,whorecentlyretiredfromtheDepartm
6、entofAgriculture,thinksremoteinfraredcropscanningcouldbeadoptedbytheendofthedecade.ButonlyifPaleyfindsthefinancialbackingwhichhefailedtoobtain10yearsago.51．Plantswillsendoutanincreasedamountofheatwhentheyare________.A．facinganinfraredscannerB．sprayedwithpesticide
7、sC．inpoorphysicalconditionD．exposedtoexcessivesunrays52．Inordertoapplypesticidesprayingprecisely,wecanuseinfraredscanningto________.A．estimatethedamagetothecropsB．drawacolourcodedmapC．measurethesizeoftheaffectedareaD．locatetheproblemarea53．Farmerscansaveaconsider
8、ableamountofpesticideby________.A．resortingtospotsprayingB．transformingpoisonedrainC．consultinginfraredscanningexpertsD．detectingcropproblemsatanearlystage54．T
