2013届高考英语二轮专题总复习精选综合能力专练：阅读理解1Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelow16℃.Rainforestshaveagreateffectontheworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimate.Withouttheforestcover,theseareaswouldreflectmoreheatintotheatmosphere，warmingtherestoftheworld.Losingtherainforestsmayalsoinfluencewindandrainfallpatterns,potentiallycausingcertainnaturaldisastersallovertheworld.Inthepasthundredyears,humanshavebegundestroyingrainforestsinsearchofthreemajorresources(资源):landforcrops,woodforpaperandotherproducts,landforraisingfarmanimals.Thisactionaffectstheenvironmentasawhole.Forexample，alotofcarbondioxide(二氧化碳)intheaircomesfromburningtherainforests.Peopleobviouslyhaveaneedfortheresourceswegainfromcuttingtreesbutwewillsuffermuchmorethanwewillbenefit.Therearetwomainreasonsforthis.Firstly,whenpeoplecutdowntrees,generallytheycanonlyusethelandforayearortwo.Secondly,cuttinglargesectionsofrainforestsmayprovideagoodsupplyofwoodrightnow,butinthelongrunitactuallyreducestheworld’swoodsupply.Rainforestsareoftencalledtheworld’sdrugstore.Morethan25%ofthemedicinesweusetodaycomefromplantsinrainforests.However,fewerthan1%ofrainforestplantshavebeenexaminedfortheirmedicalvalue.Itisextremelylikelythatourbestchancetocurediseasesliessomewhereintheworld’sshrinkingrainforests.[语篇解读]文章论述了热带雨林的重要作用以及对环境的影响。5．Rainforestscanhelptoadjusttheclimatebecausethey________.A.reflectmoreheatintotheatmosphereB.bringabouthighrainfallthroughouttheworldC.rarelycausethetemperaturetodroplowerthan16℃D.reducetheeffectofheatfromthesunontheearth[解析]因果判断题。由文章第一段内容可以得出答案。[答案]D6．Whatdoestheword“this”underlinedinthethirdparagraphreferto?A.Wewilllosemuchmorethanwecangain.B.Humanshavebegundestroyingrainforests.C.Peoplehaveastrongdesireforresources.D.Muchcarbondioxidecomesfromburningrainforests.[解析]由上下文内容可知，A项正确。[答案]A7．Itcanbeinferredfromthetextthat________.A.wecangetenoughresourceswithoutrainforestsB.thereisgreatmedicinepotentialinrainforestsC.wewillgrowfewerkindsofcropsinthegainedland1D.thelevelofannualrainfallaffectswindpatterns[解析]推测判断题。由文章最后一段内容即可得出答案。[答案]B8．Whatmightbethebesttitleforthetext?A.HowtoSaveRainforestsB.HowtoProtectNatureC.RainforestsandtheEnvironmentD.RainforestsandMedicalDevelopment[解析]主旨大意题。整篇文章主要论述了热带雨林的重要作用以及砍伐热带雨林对环境所造成的影响。[答案]CThecomputerplaysanimportantpartinoureverydaylife.Itisoneofthegreat__1__intheworldinthe__2__century.Itworksforusnotonlyathome,intheoffices,inbigshops,__3__atschools.Todayitisused__4__manyways.Itreally__5__theworldlargewealth(财富)andhappiness.Thefirstcomputerintheworldwas__6__Enid.ItwasbuiltinAmericain1946.Itwas__7__andheavy.__8__itwasborn,ithasbeendevelopingveryfast.Untilnowithasgone__9__fourperiods（时期，阶段）andchangedalot.There’remanykindsofcomputers.Computersaregettingsmallerandsmallerandcomputingfasterandfaster.Itbecomesmoreandmore__10__.Thecomputercandomostofthethings__11__thepeople.Itcanhelpusto__12__abouttherealworldmorequickly,tolearn__13__wewanttolearnandtothink__14__ourselves.__15__astudentinthetwenty-firstcentury,youmustworkhardatit.1.A.inventionsB.discoveriesC.robotsD.inventors2.A.twe...
