课堂新坐标2016_2017学年高中英语Unit2Workingtheland单元综合测评新人教版必修

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1、单元综合测评(二)Ⅰ.阅读理解(共15小题；每小题2分，满分30分)A【导学号：34410042】Evenplantscanrunafever，especiallywhenthey'reunderattackbyinsectsordisease.Butunlikehumans，plantscanhavetheirtemperaturestakenfrom3,000feetaway—straightup.Adecadeago，adoptingtheinfrared(红外线的)scanningtechnologydevelopedformilitarypurposesandothersatel

2、lites，physicistStephenPaleycameupwithaquickwaytotakethetemperatureofcropstodeterminewhichonesareunderstress.Thegoalwastoletfarmerspreciselytargetpesticide(杀虫剂)sprayingratherthanrainpoisononawholefield，whichinvariablyincludesplantsthatdon'thavepestproblems.Evenbetter，Paley'sRemoteScanningServicesCo

3、mpanycoulddetectcropproblemsbeforetheybecamevisibletotheeye.Mountedonaplaneflownat3,000feetatnight，aninfraredscannermeasuredtheheatemittedbycrops.Thedataweretransformedintoacolorcodedmapshowingwhereplantswererunning“fevers”．Farmerscouldthenspotspray，using50to70percentlesspesticidethantheyotherwise

4、would.ThebadnewsisthatPaley'scompanycloseddownin1984,afteronlythreeyears.Farmersresistedthenewtechnologyandlongtermbackerswerehardtofind.Butwiththerenewedconcernaboutpesticideonproduce,andrefinementsininfraredscanning，Paleyhopestogetbackintooperation.Agricultureexpertshavenodoubtthetechnologyworks

5、.“Thistechniquecanbeusedon75percentofagriculturallandintheUnitedStates，”saysGeorgeOertherofTexasA&M.RayJackson，whorecentlyretiredfromtheDepartmentofAgriculture,thinksremoteinfraredcropscanningcouldbeadoptedbytheendofthedecade.ButonlyifPaleyfindsthefinancialbackingwhichhefailedtoobtain10yearsago.【语

6、篇解读】　植物也会生病发烧，科技也可以用于农业中为植物诊断疾病。1．Plantswillsendoutanincreasedamountofheatwhentheyare________.A．facinganinfraredscanner15B．sprayedwithpesticideC．inpoorphysicalconditionD．exposedtoexcessivesunrays【解析】　细节理解题。由文章第二段“...aninfraredscannermeasuredtheheatemittedbycrops.Thedataweretransformedintoacolorcod

7、edmapshowingwhereplantswererunning‘fevers’．”可知，植物在发“高烧”，也就是说，植物在“身体状况”不佳时才会散发出更多的热。【答案】　C2．Inordertoapplypesticidesprayingprecisely，wecanuseinfraredscanningto________.A．estimatethedamagetothecropsB．drawacolorcode