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1、全国通用2010届高考全国各地月考阅读理解汇编之科普知识类Passage1（安徽省桐城六中2010届高三第二次模拟月考）Allplantcellsarecapableoftakingupwater.Evendeadonesdotoacertaindegree.Absorption（吸收）ofwaterbydeadcellwallsmakeswoodbecomelarger.Incommonlandplants,thelivingcellsofrootstakeupmostofthewater.Landplantswith
2、outrootsdoexist,however.Thosegreenish-yellowlichens（苔藓）youseeonrocksinthehighmountainshavenoroots.Halfabillionyearsago,whenwaterplantsstartedtoentertheland,thefirstlandplantsdidnothaveroots.Evenamongthefloweringplants,onefindsrootlessforms.Thesefloweringplantsare
3、“thehigherplants”becausetheyevolved（进化）recentlyandarethusconsideredhigherontheevolutionaryscale（进化度）.InthePeruviandesert,theregrowsoneoftheserootlesshigherplants,abromeliad.Itisarelativeofthepineapple.Evenifthisplanthadroots,theywouldbeofnouse,becausewheretheplan
4、tgrows,itneverrains.Theplantgetsitswateronlyfromthedew（露水）itcollectsatnight,whenitsleavescooloff.Suchrootlessplants,ofcourse,canbemovedwithease,buttheywillonlygrowwhentheyareplacedoutintheopen.Iftheyareplacedtoonearahouse,theradiationfromtheheatofthehouseprevents
5、theleavesfromcoolingandsopreventsdewfromforming,andtheplantdies.InthesouthernUnitedStatesandinPuertoRico,oneseesbromeliadsgrowinghighabovethestreetsontheinsulation（绝缘物）ofelectricwires.Theseplantsgettheirwaterfromrain,andtheonlysoiltheyevercomeincontactwithisthedu
6、stthatmayblowontheirleaves.72．Woodbecomeslargerbecauseof.A．deadcellwallsB．waterenteringdeadcellsC．thegrowthofcellsD．thedeathofcells73．Fromthepassageweknowthattheevolutionaryscaleisgradedaccordingto.A．evolutionarycyclesB．heightsanddepthsC．timeD．kinds74．The“bromeli
7、ad”isaplantthat.A．hasuselessrootsB．isapineappleC．cangrowanywhereD．takesupwaterthroughitsleaves第7页共7页75．Themostsuitabletitleforthispassageis“”.A．AbsorptionofwaterbyplantsB．RootlessplantsC．PlantsinthedesertD．Higherplants答案BCDAPassage2（安徽省芜湖七中2010届高三上学期第一次调研考试）Thefo
8、llowingarefourformsaboutmedicine.Howtousethemedicineisveryimportant.Nevertakeanybymistake.1）Takethemedicinewithwater.followedbyonetableteveryeighthours.asrequi
