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题型诠释典例透析跟踪演练题型诠释典例透析跟踪演练题型诠释典例透析跟踪演练［2009浙江高考］Plantscan’tcommunicatebymovingormakingsounds,asmostanimalsdo.Instead,plantsproducevolatilecompounds,chemicalsthateasilychangefromaliquidtoagas.Aflower’ssweetsmell,forexample,comesfromvolatilecompoundsthattheplantproducestoattractinsectssuchasbugsandbees.题型诠释典例透析跟踪演练Plantscanalsodetectvolatilecompoundsproducedbyotherplants.Atreeunderattackbyhungryinsects,forinstance,maygiveoffvolatilecompoundsthatletothertreesknowabouttheattack.Inresponse,theothertreesmaysendoffchemicalstokeepthebugsaway-orevenchemicalsthatattractthebugs’naturalenemies.题型诠释典例透析跟踪演练Nowscientistshavecreatedaquickwaytounderstandwhatplantsaresaying:achemicalsensor（传感器）calledanelectronicnose.The“e-nose”cantellcompoundsthatcropplantsmakewhenthey’reattacked.Scientistssaytheenosecouldhelpquicklydetectwhetherplantsarebeingeatenbyinsects.Buttodaytheonlywaytodetectsuchinsectsistovisuallyinspectindividualplants.Thisisachallengingtaskformanagersofgreenhouses,enclosedgardensthatcanhousethousandsofplants.题型诠释典例透析跟踪演练Theresearchteamworkedwithane-nosethatrecognizesvolatilecompounds.Insidethedevice,13sensorschemicallyreactwithvolatilecompounds.Basedontheseinteractions,thee-nosegivesoffelectronicsignalsthatthescientistsanalyzeusingcomputersoftware.Totestthenose,theteampresenteditwithhealthyleavesfromcucumber,pepperandtomatoplants,allcommongreenhousecrops.Thenthescientistscollectedsamplesofairarounddamagedleavesfromeachtypeofcrop.Theseplantshadbeendamagedbyinsects,orbyscientistswhomadeholesintheleaveswithaholepunch（打孔器）.题型诠释典例透析跟踪演练Thee-nose,itturnsout,couldidentifyhealthycucumber,pepperandtomatoplantsbasedonthevolatilecompoundstheyproduce.Itcouldalsoidentifytomatoleavesthathadbeendamaged.Butevenmoreimpressive,thedevicecouldtellwhichtypeofdamage—byinsectsorwithaholepunch—hadbeendonetothetomatoleaves.题型诠释典例透析跟踪演练Withsomefine-tuning,adevicelikethee-nosecouldonedaybeusedingreenhousestoquicklyspotharmfulbugs,theresearcherssay.Adevicelikethiscouldalsobeusedtoidentifyfruitsthatareperfectlyripeandreadytopickandeat,saysNataliaDudareva,abiochemistatPurdueUniversityinWestLafayette,Ind.whostudiessmellsofflowersandplants.Hopefully,scientistsbelieve,thedevicecouldbringlargebenefitstogreenhousemanagersinthenearfuture.【文章大意】科学家们发明了一种“电子鼻”，它不仅能识别健康植物，还能区分植物受到的损坏。这种仪器有希望将来被用到温室中。题型诠释典例透析跟踪演练1.Welearnfromthetextthatplantscommunicatewitheachotherby.A.makingsomesoundsB.wavingtheirleavesC.producingsomechemicalsD.sendingoutelectronicsignals【解析】选C。细节理解题。由Instead,plantsproducevolatilecompounds,chemicalsthateasilychangefromaliquidtoagas.可以知道答案。题型诠释典例透析跟踪演练【思路点拨】做事实细节题时，先浏览一遍题目，把题目的要求储存在大脑中，带着疑问快速去阅读，然后找出与题目相关的信息词、句加以理解分析，去伪存真。这样可以有效避免细节理解题的失误，不轻易陷入高考题所设下的“陷阱”。要注意排除干扰项，因为有些干扰项在文中也能找到依据，但关键是弄清楚这些干扰项是否符合题目的要求。题型诠释典例透析跟踪演练2.Whatdidthescientistsdotofindoutifthee-noseworked?A.Theypresenteditwithallcommoncrops.B.Theyfixed13sensorsinsidethedevice.C.Theycollecteddifferentdamagedleaves.D.Theymadetestsondamagedandhealthyleaves.【解析】选D。细节理解题。由第五段可以知道在测试enose的时候既有healthyleaves也有damagedleaves。所以答案为D。题型诠释典例透析跟踪演练3.Accordingtothewriter,themostamazingthingaboutthee-noseisthatitcan.A.pickoutripefruitsB.spottheinsectsquicklyC.distinguishdifferentdamagestotheleavesD.recognizeunhealthytomatoleaves【解析】选C。细节理解题。由第六段中Butevenmoreimpressive,thedevicecouldtellwhichtypeofdamage—byinsectsorwithaholepunch—hadbeendonetothetomatoleaves.可知。题型诠释典例透析跟踪演练4.Wecaninferfromthelastparagraphthatthee-nose.A.isunabletotellthesmellofflowersB.isnotyetusedingreenhousesC.isdesignedbyscientistsatPurdueD.ishelpfulinkillingharmfulinsects【解析】选B。推理判断题。由最后一段最后一句：Hopefully,scientistsbelieve,thedevicecouldbringlargebenefitstogreenhousemanagersinthenearfuture.可以知道答案。题型诠释典例透析跟踪演练(A)［2009全国卷Ⅱ］Havingahusbandmeansanextrasevenhoursofhouseworkeachweekforwomen,accordingtoanewstudy.Formen,gettingmarriedsavesanhourofhouseworkaweek.“It’sawell-knownpattern,”saidleadresearcherFrankStaffordatUniversityofMichigan’sInstituteforSocialResearch.“Menusuallyworkmoreoutsidethehome,whilewomentakeonmoreofthe题型诠释典例透析跟踪演练housework.”Hepointsoutthatdifferencesamonghouseholds（家庭）exist.Butingeneral,marriagemeansmorehouseworkforwomenandlessformen.“Andthesituationgetsworseforwomenwhentheyhavechildren,”Staffordsaid.Overall,timesarechangingintheAmericanhome.In1976,womenbusiedthemselveswith26weeklyhoursofsweeping-and-dustingwork,comparedwith17hoursin2005.Menaretakingonmorehousework,morethandoublingtheirhouseworkhoursfromsixin1976to13in2005.Singlewomenintheir20sand30sdidtheleasthousework,题型诠释典例透析跟踪演练about12weeklyhours,whilemarriedwomenintheir60sand70sdidthemost—about21hoursaweek.Menshowedasomewhatdifferentpattern,witholdermenpickingupthebroommoreoftenthanyoungermen.Singlemenworkedthehardestaroundthehouse,morethanthatofallotheragegroupsofmarriedmen.Havingchildrenincreaseshouseworkevenfurther.Withmorethanthreechildren,forexample,wivestakeonmoreoftheextrawork,clockingabout28hoursaweekcomparedwithhusbands’10hours.【文章大意】本文主要讲述了在家庭中不同年龄与不同时期的男女承担的家务活的多少是不同的。题型诠释典例透析跟踪演练1.Howmanyhoursofhouseworkdidmendoeveryweekinthe1970s?A.About28.B.Abo