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1VIP免费

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...