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1、xx-2019学年高二英语下学期3月月考试题（EIMUnit3,B6Unit2）I.阅读理解：（2’）Evenplantcanrunafever,especiallywhenthey’reunderattackbyinsectsordisease.Butunlikehuman,plantscanhavetheirtemperaturetakenfrom3,000feetawaystraightup.Adecadeago,adoptingtheinfrared（红外线）scanningtechnologydeveloped
2、formilitarypurposesandothersatellites,physicistStephenPaleycameupwithaquickwaytotakethetemperatureofcropstodeterminewhichonesareunderstress.Thegoalwastoletfarmerspreciselytargetpesticide（杀虫剂）sprayingratherthanrainpoisononawholefield,whichinvariablyincludesplantst
3、hatdon’thavepest（害虫）problems. Evenbetter,Paley’sRemoteScanningServicespanycoulddetectcropproblemsbeforetheybecamevisibletotheeye.Mountedonaplaneflownat3,000feetatnight,aninfraredscannermeasuredtheheatemittedbycrops.Thedataweretransformedintoacolor-codedmapshowin
4、gwhereplantswererunning“fevers”.Farmerscouldthenspot-spray,using50to70percentlesspesticidethantheyotherwisewould. ThebadnewsisthatPaley’spanycloseddownin1984,afteronlythreeyears.Farmersresistedthenewtechnologyandlong-termbackerswerehardtofind.Butwiththerenewedco
5、ncernaboutpesticidesonproduce,andrefinementsininfraredscanning,Paleyhopestogetbackintooperation.Agricultureexpertshavenodoubtthetechnologyworks.“Thistechniquecanbeusedon75percentofagriculturallandintheUnitedStates,”saysGeorgeOertherofTexasA&M.RayJackson,whorecent
6、lyretiredfromtheDepartmentofAgriculture,thinksremoteinfraredcropscanningcouldbeadoptedbytheendofthedecade.ButonlyifPaleyfindsthefinancialbackingwhichhefailedtoobtain10yearsago.1.Plantswillemitanincreasedamountofheatwhentheyare_____________.A.sprayedwithpesticides
7、 B.facinganinfraredscannerC.inpoorphysicalcondition D.exposedtoexcessivesunrays2.Inordertoapplypesticidesprayingprecisely,wecanuseinfraredscanningto____________.A.estimatethedamagetothecrops B.measurethesizeoftheaffectedareaC.drawacolor-codedmap
8、 D.locatetheproblemarea3.Farmerscansaveaconsiderableamountofpesticideby______________.A.resortingtospot-spraying B.consultinginfraredscanningex
