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阅读短文,并简要回答文后的问题。注意：答题时不得超过规定的字数。When scientists look up into the night sky, they see stars, p...
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高中英语《2010年黄冈中学考试试题及答案》真题及答案
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Formorethantwentyyearsscientistshavebeensearchingforsignsoflifeonotherplanets.Mostofthesesearcheshavebeendoneovertheradio.Thehopeisthatsomeoneinouterspacemaybetryingtogetintouchwithus.Scientistsalsohavesentradioandtelevisionmessagesaswellasmessagesonspaceshipstravellingthroughspaceonthechancethatsomeonemaybereceptivetosuchmessages.Scientistsareusingpowerfulradiotelescopestolistentosignalsfromabout1000starsallwithin100lightyearsofEarth.Inadditiontheywillscan扫视theentireskytolistenforradiomessagesfrommoredistantstars.Usingacomputertheywillbeabletomonitormorethaneightmillionchannelsatonetime.Scientistsarelookingforanysignalthatstandsoutfromthebackgroundnoise.Ofthe200billionstarsintheMilkyWaygalaxyscientistsfindthatfivepercentarelikeoursun.PerhapshalfofthemhaveaplanetlikeEarth.Suchaplanetwouldbeareasonabledistancefromthestarfortemperaturestoberightfortheevolution进化oflife.Basedontheinhabitablethatcanbelivedinplanetsinourgalaxymostscientistsagreethatchancesarelikelythatoneormoreoftheseplanetssupportssomelife.Howevermanyscientistswonderwhetherintelligent有智力的lifeexistsonotherplanets.Somebelievethattwentyyearsofsearchingwithoutanyintelligiblemessagesshowsthatnooneisoutthere.Theysaythattheevolutionofintelligencecomparabletooursisunlikely.Otherscientistsbelievethatoursearchhasn'tbeenlongenoughtoruleoutthepossibilitythatintelligentlifeexistsinourgalaxy.Althoughoursunfamilyisonlyaboutfivebillionyearsoldourgalaxyisabout20billionyearsold.Inthattimesomescientiststhinkitislikelythatcivilizations文明muchmoreadvancedthanourshavedeveloped.Perhapsthesecivilizationssendusnosignalsperhapswehavenotrecognizedthesignalstheyhavesentus.Ifwehopetofindintelligentlifethescientistsbelievethatwehavetokeeplooking.68.AccordingtothepassagehowmanyplanetsinourgalaxymightbeinhabitableA.5billion.B.10billion.C.15billion.D.20billion.69.Thefirstparagraphinthispassageismainlyabout____.A.howscientistsarelookingforsignsoflifeonotherplanetsB.whyscientistsarelookingforsignsoflifeonotherplanetsC.wherescientistsarelookingforsignsoflifeonotherplanetsD.whenscientistsbegantolookforsignsoflifeonotherplanets70.Theunderlinedwordmonitorinthepassagemeans____.A.findB.followC.checkD.form71.WhichofthesestatementsistruebasedontheinformationinthepassageA.Theearthisoneoftheoldestplanetsinourgalaxy.B.Mostscientistsbelievethatthereisintelligentlifeonotherplanets.C.Scientistsaretryingdifferentwaystofindsignsoflifeonotherplanets.D.Scientistsdon'tbelievethatintelligentlifeexistsonotherplanets.
Chinatolaunch1stlunarprobechang’E1thisyearChinasaysthelaunchofitsfirstlunarprobechang’E1isjustaroundthecorner.ChinesescientistsmadetheannouncementonWednesdaysayingthesatellitewouldbelaunchedinthesecondhalfofthisyear.SinceChinaannouncedtheprojectin2004thecountry’sfirstlunarexplorationprojecthasdrawnworldwideattention.NowChina’sspacescientistssaythesatelliteisreadyforlift-off.OuyangZiyuanchiefscientistChina’slunarexplorationprojectsaidPreparationsforthesatelliterocketgroundcontrolanddatareceptionarereadyfortheexploration.Wewillbeabletolaunchtheprobethesecondhalfofthisyear.Theprobe’soperationalorbithasalreadybeendecidedonandchang’E1isscheduledtoenterthemoon’sorbitafteranearly400000-kilometerjourneyinspacE.Andacommitteeofover100spaceexpertshasalsobeenestablishedfortheproject.Thescientistshaveagreedtosharethedatasentbackbychang’E1onthelunarenvironment.OuyangZiyuansaidWewillmakea3Dmapofthemoonandresearchthedistributionoflunarelementslunarsoilthicknessandthemoon’ssurfaceenvironment.OuyangZiyuansayschang’E1willbecarriedbyalongmarch3acarrierrocketforitslaunch.ThisisscheduledtotakeplaceattheXi’changsatellitelaunchcenter.49.Whatdoestheunderlinedwordsaroundthecornerinthefirstparagraphmean?A.inthecornerB.onthewayC.inthewayD.atthecorner50.Whatwillchang’E1doinspace?A.Itwilljustcirclearoundthemoon.B.Itwillmakea2dmapofthemoonandresearchthedistributionoflunarelements.C.ItwillsendtheTVsignalstomakeourlifemorecolorful.D.itwillmakea3Dmapofthemoonanddosomeresearchaboutthemoon.51.WhichoneofthefollowingstatementsisTRUE?A.Thecommitteeismadeupoflessthan100spaceexperts.B.Itisscheduledtolaunchatthejiuquansatellitelaunchcenter.C.Thedatasentbackbychang’E1willbesharedbythescientists.D.chang’E1willbecarriedbyalongmarch3acarrierrocketforitslaunch.
AnotherofPresidentBush’scriticsonclimatechangeandhisformerrivalfortheWhiteHouseAlGoreisinLondononFridaytolaunchanenvironmentalprojectwiththeheadoftheVirginBusinessCompanyRichardBranson.They’reannouncingamulti-milliondollarinternationalprizetoencouragedevelopmentandresearchintonewformsoflowcarbontechnology.TheprizewillbeavailabletoanyonewhocanapplyasuccessfulmethodofremovinglargeamountsofcarbondioxidefromtheatmospherE.AlmostallscientistsagreethatweareexperiencingglobalwarmingduetoincreasedamountsofcarbondioxideintheatmospherE.CarbondioxideisreleasedwhenfuelisburneD.Oilcoalandwoodareallfuelsthatreleasethegas.WhenbiologicalwastedbreaksdownitalsoreleasescarbondioxidE.Environmentalcampaignersandclimatechangescientiststelluswe’repumpinganunbearableamountofcarbondioxideintotheatmospherE.Onewaytoreducethatwillbetouselessfossilfuel矿物燃料theburningofwhichisakeyresourcetoourwayoflifebutsharpreductionofoilandcoaluseisunpopularwithgovernmentsandpeoplealikE.Sotechnologiesarebeingdevelopedlikecarboncaptureandstoragethataimtotakecarbondioxideoutoftheatmospherecompress压缩itandpumpitintothegrounD.Butthat’sstillinitsearlystagessothepurposeofthisprizeistoencourageresearchintonewwaysofdecarbonizingtheatmospherE.A.scientificpanelchairedbyAlGorewilljudgeanyentries.Environmentalcampaignersarehopingsuchasignificantprizewillattractlargeamountsofpublicityandbrainpower.56.Whichofthefollowingsentencesiscorrectaccordingtothetext?A.AlGoredoesn’tagreewithPresidentBush’sPolicyonclimatE.B.OnlyagrouporanorganizationwillreceivetheprizE.C.TheprizewillbegiventoanyonewhocandoresearchintolowcarbontechnologyD.AlGorewouldliketohelpPresidentBushtosolvetheproblem.57.Carbondioxidewillbeproducedwhen.A.weareexperiencingglobalwarming.B.fossilfuelisburnedC.biologicalwasteisthrownaway.D.gasisreleased58.Peoplewouldliketoremovecarbondioxidefromtheatmospherebuttheydon’tlikethemethodof.A.compressingitandpumpingitintothegroundB.burningthefossilfuelC.pumpingitintotheatmospherE.D.reducingtoomuchfossilfuel59.Whatisthemainideaofthepassage?A.WeshouldpaymoreattentiontothesolutiontoanenvironmentalproblemB.Anprojectislaunchedtoawardthosewhocanfindwaystosolveanenvironmentalproblem.C.AlGoreisgoingtopresentaprizetothepersonwhocansolveanenvironmentalproblem.D.A.lotofpeoplewillapplymethodstosolveanenvironmentalproblem.
Americanbeekeepingoperationshavebeenhithardbywhatscientistscallcolonycollapsedisorder.Almosthalfoftheirworkerbeeshavedisappearedduringthepastseason.C.C.D.hasalsobeenreportedinIsraelEuropeandSouthAmericA.Beesflyawayfromthehiveandneverreturn.Sometimestheyarefounddead;othertimestheyareneverfounD.Manycropsandtreesdependonpollination授粉bybeestohelpthemgrow.AnewreportsaysvirusmaybeatleastpartlyresponsibleforthedisorderinhoneybeecoloniesintheUnitedStates.ThisvirusiscalledIsraeliacuteparalysisvirus.ItwasfirstidentifiedinIsraelin2004.IanLipkinatColumbiaUniversityinNewYorkandateamreportedthenewfindingsinSciencemagazinE.DoctorLipkinsaysthevirusmaynotbetheonlycausE.Hesaysitmayworkwithothercausestoproducethecollapsedisorder.Theteamfoundthevirusincolonieswiththehelpofamapofhoneybeegenesthatwaspublishedlastyear.Theyexaminedthirtycoloniesaffectedbythedisorder.Theyfoundevidenceofthevirusintwentyfiveofthemandinonehealthycolony.Thenextstepisfurthertestingofhealthyhives.TheresearcherssuggestedthattheUnitedStatesmayhaveimportedthedisorderinbeesfromAustralia.TheysaythebeesmaycarrythevirusbutnotbeaffecteD.TheideaisthatunlikemanyAmericanbeestheabilityofAustralianbeestofightdiseasehasnotbeenhurtbythevarroamitE.ThisinsectattackshoneybeeswhichcouldmakethedisordermorelikelytoaffectahivE.Australianbeeproducersrejectthesesuspicions.AndsomeresearcherssuspectthatbeeproductionintheUnitedStatesisdownmainlybecauseoftheweather.Honeybeesgathernectar花蜜fromflowersandtrees.Thesweetliquidgivesthemfoodandmaterialtomakehoney.ButcoldweatherthisspringintheMidwestreducedtheflowofnectarinmanyflowers.ManybeesmayhavestarveD.Dryweatherinareasofthecountrycouldalsobeplayingapart.WayneEsaiasisaNASAspaceagencyscientistwhokeepsbeesinhisfreetimE.HelivesincentralMarylandwherehehasfoundthatflowersarebloomingamonthearlierthantheydidin1970whichmaybepartlyresponsibleforthedisorder.WayneEsaiasisorganizingagroupofbeekeeperstodocumentnectarflowaroundthecountry.57.Theresearchersfoundthevirus.A.withthehelpofC.C.D.B.byresearchingthecausesofbeedeathC.withthehelpofamapofhoneybeegenesD.withthehelpofascientistofNASASpaceAgency58.Whatisthepassagemainlyabout?A.Americanbeekeepingindustryhasbeenstronglyinfluencedbythebeedisorder.B.Studiesarebeingcarriedoutonthecausesofthebeedisorderbutquestionsremain.C.HowthecausesofthebeedisorderinU.ShavebeenfounD.D.ThebeeproductioninU.Sisdown.59.Howmanypossibilitiesmaybeinvolvedinthebeedisorderaccordingtothepassage?A.ThreeB.FourC.FiveD.Six60.WecaninferthatfromthepassagE.A.Israeliacuteparalysisvirusshouldberesponsibleforthedisorder.B.Thesolutiontothedisorderwillbefoundeventually.C.AmericanbeesaremorelikelytodefendthemselvesagainsthurtfromotherinsectsthanAustralianones.D.ThecropandplantproductioninU.Smaybeinfluencedbythebeedisorder.
Icelandhasenergytospareandthesmallcountryhasfoundacutting-edge尖端的waytoreduceitsoildependency.Volcanoesformedtheislandnationoutofashandlava熔岩whichheathugeundergroundlakestotheboilingpoint.Thehotwaterispipedintocitiesprovidingheatforhomesbusinessesandevenswimmingpools.Thewaterrunsthroughturbines涡轮机providingallthecountry’selectricity.Icelandwantstomakeplanstoimproveitscarsbusesandtruckstorunonrenewableenergy.Icelandhasalreadystartedbyturningwaterintofuel----hydrogen氢fuel.Here’showitworks:Electrodes电极changethewaterintohydrogenandoxygenmolecules分子.HydrogenelectronspassthroughaconductorthatcreatesthecurrenttopoweranelectricenginE.HydrogenfuelnowcoststwotothreetimesasmuchasgasolinebutgetsuptothreetimesthedistancethangasmakingtheoverallcostaboutthesamE.Asanaddedbenefitthereisnocarbon碳----onlywatersteam.InthecapitalReykjaviktheyarealreadytestingthreehydrogen-poweredelectricbuses.ThedriversareimpresseD.IlikethesebusesbetterbecausewithhydrogenyougetnopollutionsaidbusdriverRognvaldurJonatanison.BythemiddleofthiscenturyallIcelanderswillberequiredtoruntheircarsonlyonhydrogenfuelmeaningnomoregasolinE.IfwemakehydrogenandusethatasafuelfortransportationthenwecanrunthewholesocietyonourownlocalrenewableenergysourcessaidMarieMack.Icelandersareshowingtheworldthatbymakingfuelfromwateritispossibletokicktheoilhabit.57.FromParagraph1wemayinferthat________.A.IcelandlacksnaturalresourcesB.volcanoesdomoregoodthanharmtoIcelandC.IcelandonlydependsonoilforenergyD.Iceland’selectricityismadefromcoal58.WhichofthefollowingisnecessaryduringtheperiodofturningwaterintofuelaccordingtoParagraph2?A.LavaB.ElectricengineC.ConductorD.Turbine59.Thecarswithhydrogenasfuel________.A.areenvironmentallyfriendlyB.arecheaperC.runmuchfasterD.willmakeusefulsteam60.Whatwouldbethebesttitleforthepassage?A.PollutionsayinggoodbyetotheworlD.B.IcelandbecomingacountrywithoutoilC.IcelandbegantoturnwaterintofuelD.Manabletokicktheoilhabit
Indonesiaisknownasthecountryofislands.Ithas17508.ButinrecentyearsthepopulartouristdestinationhaslostsomeofitsshinE.Duetorisingsealevelscausedbyglobalwarming24IndonesianislandshavegoneundertheseA.Scientistssay2000morewilldisappearbefore2030.InthepastthreeyearsthesoutheastAsiannationalsowitnesseditsislandsdestroyedbyatsunami海啸andtyphoons.Ifnomeasuresaretakentofightclimatechangethebeautifulislandswillgoforever.scientiststoldenvironmentalministersfromabout190countriesataUNclimatechangemeeting.ThisweektheyaremeetinginBalianIndonesianislands.Theyaretryingtoreachadealtocuttheworld’semissions排放ofCO2whichmakestheearthwarmer.IndonesiaisnotalonE.ThisyearhasbeenmoreextremeweatherhittheworlD.CanadaandUSsufferedheavystormsandtyphoonsWhileAustralianswerecaughtintheheaviestdroughtinacentury.InChinatheaveragetemperaturethisyearwentupby1.2℃fromlastyearreachingthehighestonrecordsince1951.FromJiangxiandHunaninthesouthtoHeilongjiangandJilininthenortheastonethirdoffarmlandhassufferedfromadrought.Howeverotherpartsofthecountrygottoomuchrain.Morethan700peoplewerekilledinfloodslandslides泥石流andstorms.TheseweatherextremearethemoreobviouseffectsofglobalwarmingsaidSongLianchunaclimateexpert.Scientistssaytimeisrunningout.ToescapefromtheworsteffectsglobalCO2emissionsneedtobecutfromthelevelstheywereatin2000by50to85percentby2050.Butinrecentyearsclimatechangetalkshavebeenboggeddownbyargumentsoverwhowillpaythebillforcleanertechnology.Developingcountriesareworriedthatthecutinemissionswillslowtheireconomicdevelopment.ChinawillplayaresponsibleandconstructiveroleinthemeetingsaidChinesePremierWenJiabao.Thenationisnowtheworld’ssecondlargestgreenhousegasemitter排放者.HoweverdevelopednationsshouldhelpdevelopingnationsdealwiththeglobalissuE.67.Whichofthefollowingisinthecorrectorder?A.MoreandmoreislandsaregoingundertheseaB.Thesealevelsarecontinuouslyrising.C.TheweatherisgettingwarmerandwarmerD.EmissionofCO2isincreasing.A.abcdB.bcdaC.cbadD.dcba68.Whatdoesthephraseextremeweathermeaninthestory?A.TemperaturesarerisingallovertheworlD.B.Badweatherlikefloodsdroughtandlandslideshappeninsomecountries.C.Moreandmorefarmlandiseatenupbydesert.D.Itpoursdowninsomeplaceswhileitdoesn’trainatallinotherplaces.69.Climatechangetalkshavebecomeboggeddownbecausecountriescannotagreeon____________.A.whoshouldberesponsibleforcausingclimatechangeB.whowillpayforthecleanertechnologyneededtotackle处理climatechangeC.whetherdevelopednationsshouldhelpdevelopingnationsinsolvingclimatechangeD.whetherdevelopingnationsshouldcutemissionofCO270.WhatisChina’sattitudetowardsdealingwithproblemsofclimatechange?A.Chinawillpayforthecleanertechnology.B.ChinawilltakeanactivepartindealingwithclimatechangE.C.Chinathinkitisdevelopednations’responsibilitytodealwithclimatechangE.D.ChinawilldependondevelopednationstohelpittosolveclimatechangE.
Onereactiontoalltheconcernabouttropicaldeforestation砍伐森林isablankstarethatasksthequestionSinceIdon'tlivetherewhatdoesithavetodowithme?Theansweristhatyourwayoflifewhereveryouliveintheworldistiedtothetropicsinmanyways.Ifyouliveinahousewashyourhaireatfruitsandvegetablesdrinksodaordriveacaryoucanbecertainthatyouareaffectedbythelossoftropicalforests.Biologicallywearelosingtherichestregionsonearthwheneachminuteapieceoftropicalforestthesizeoftencityblocksdisappears.Asmanyasfivemillionspeciesofplantsanimalsandinsects40to50percentofalllivingthingslivethereandarebeinglostfasterthantheycanbefoundanddescribeD.TheirlossisimmeasurablE.TakerubberforexamplE.Formanyusesonlynaturalrubberfromtreeswilldo.Syntheticsarenotgoodenough.Todayoverhalftheworld'scommercialrubberisproducedinMalaysiaandIndonesiawhiletheAmazon'srubberindustryproducesmuchoftheworld'sfourmilliontons.Andrubberisanimportantmaterialinmakingglovesballoonsfootwearandmanysportinggoods.ThousandsofothertropicalplantsarevaluablefortheirindustrialusE.Manyscientistsstronglybelievethatdeforestationcontributestothegreenhouseeffect--orheatingoftheearthfromincreasedcarbondioxideintheatmospherE.Aswedestroyforestswelosetheirabilitytochangecarbondioxideintooxygen.Carbondioxidelevelscoulddoublewithinthenexthalf-centurywarmingtheearthbyasmuchas4.5degrees.Theresult?A.partialmelt-downofpolaricecapsraisingsealevelsasmuchas24feet;even15feetcouldthreatenanyonelivingwithin35milesofthecoast.Unbelievable?MaybE.Butscientistswarnthatbythetimewerealizethesevereeffectsoftropicaldeforestationitwillbe20yearstoolatE.Cantropicaldeforestationaffectoureverydaylives?Nowyoushouldhavegottheanswer.58.Theunderlinedwordsyntheticsprobablymeansakindof.A.naturalrubberB.tropicalmaterialC.man-madematerialD.tropicaltree59.Inthelastparagraphtheauthortriesto.A.tellpeoplehowtoavoidthetropicaldeforestationB.showushowimportantitistoprotectthetropicalforestsC.persuadepeopletobuysomethingsyntheticD.letpeoplerealizetheeffectoftropicaldeforestation60.Theauthor'sattitudetowardsthetropicaldeforestationis.A.puzzlingB.coldC.supportingD.opposed
ItwasoncethoughtthatairpollutionaffectedonlytheareaaroundlargeurbandistrictswithfactoriesandheavyautomobiletraffiC.Todayweknowthatalthoughthesearetheareaswiththeworstairpollutiontheproblemisliterally=reallyworldwidE.OnseveraloccasionsoverthepastdecadeaheavycloudofairpollutionhascoveredtheentireeasternhalfoftheUnitedStatesandledtohealthwarningseveninruralareasawayfromanymajorconcentrationofmanufacturing制造业的andautomobiletraffiC.Infacttheveryclimateoftheentireearthmaybeaffectedbyairpollution.Somescientistsfeelthattheincreasingconcentrationofcarbondioxideintheairresultingfromtheburningoffossilfuelsiscreatingagreenhouseeffectholdinginheatreflectedfromtheearthandraisingtheworld’saveragetemperaturE.Ifthisviewiscorrectandtheworld’stemperatureisraisedonlyafewdegreesmuchofthepolaricecapwillmeltandcitiessuchasNewYorkBostonMiamiandNewOrleanswillbeunderwater.Anotherviewlesswidelyheldisthatincreasingparticulatematter颗粒物质intheatmosphereisblockingsunlightandloweringtheearth’stemperaturearesultthatwouldbeequallydisastrous损失惨重的.A.dropofjustafewdegreescouldcreatesomethingclosetonewiceageandwouldmakeagriculturedifficultorimpossibleinmanyofourtopfarmingareas.Atpresentwedonotknowforsurethateitheroftheseconditionswillhappenthoughonerecentgovernmentreportpreparedbyexpertsinthefieldconcludedthatthegreenhouseeffectisverylikely.Perhapsifweareveryluckythetwotendencieswilloffseteachotherandtheworld’stemperaturewillstayaboutthesameasitisnow.51.Aspointedoutatthebeginningofthepassagepeopleusedtothinkthatairpollution.A.causedwidespreaddamageinthecountrysideB.affectedtheentireeasternhalfoftheUnitedStatesC.haddamagingeffectsonhealthD.existedmerelyinurbanandindustrialareas52.Asfarasthegreenhouseeffectisconcernedtheauthor.A.sharesthesameviewwiththescientistsB.isuncertainofitsoccurrenceC.rejectsitasbeingungroundedD.thinksthatitwilldestroytheworldsoon53.ThewordoffsetParA.2couldbestbereplacedby.A.slipintoB.makeupforC.setupD.catchupwith54.Itcanbeinferredfromthepassagethat.A.raisingtheworld’stemperatureonlyafewdegreeswouldn’tdomuchharmtolifeonearthB.loweringtheworld’stemperaturemerelyafewdegreeswouldleadmanymajorfarmingareastodisasterC.almostnotemperaturevariationshaveoccurredoverthepastdecadeD.theworld’stemperaturewillremainconstantintheyearstocome55.Thispassageisprimarilyconcernedwith.A.thegreenhouseeffectB.theburningoffossilfuelsC.thepotentialeffectofairpollutionD.thelikelihoodofanewiceage
Beyondtwoorthreedaystheworld’sbestweatherforecastsaredoubtfulandbeyondsixorseventheyareworthless.TheButterflyEffectisthereason.Forsmallpiecesofweather―toaglobalforecastersmallcanmeanthunderstormsandblizzards暴风雪―anypredictionbecomesworserapidly.Errorsanduncertaintiesincreasefromdustdevilsandstormsuptocontinent-sizeeddies旋涡thatonlysatellitescanseE.Themodernweathermodelsworkwithnet-likepointssixtymilesapartandevensosomestartingdatahavetobeguessedsincegroundstationsandsatellitescannotseeeverywherE.Butsupposetheearthcouldbecoveredwithsensorsplacedonefootapartrisingatone-footintervalsallthewaytothetopoftheatmospherE.Supposeeverysensorgivesperfectlyaccuratereadingsoftemperaturepressurehumidity湿度andanyotherdataaweathermanwouldwant.Exactlyatnoonapowerfulcomputertakesallthedataandcalculateswhatwillhappenateachpointat12.01then12.02then12.03thecomputerwillstillbeunabletopredictwhetherPrincetonwillhavesunorrainonemonthaway.Atnoonthespacesbetweenthesensorswillhidefluctuations波动thatthecomputerwillnotknowabout.By12.01thosefluctuationswillalreadyhavecreatedsmallerrorsonefootaway.Soontheerrorswillhaveaddedtotheten-footscaleandsoonuptothesizeoftheglobE.72.Aweatherforecast______intheworlD.A.isreliablewithinoneortwodaysB.isdoubtfulbeyond24hoursC.becomesuselessbeyondtwoorthreedaysD.isstillworthwhileinsevendays73.Usuallythereisaweathersub-station______.A.ineverycityB.every60milesC.betweentwocitiesD.everyonefoot74.Whichofthefollowingstatementsistrue?A.PeoplehavenotplacedsensorsonefootapartintheatmospherE.B.ScientistshavealreadyputsensorsonefootapartintheworlD.C.Everysensorgivesperfectlyaccuratedataaweathermanwants.20090531D.Groundweatherstationsandsatellitescanseeeveryplaceonearth.75.Ourcomputerwillnotbeabletoknowaboutfluctuationsbecause______.A.thesensorsarenotgoodenoughB.theyarehiddenbythespacesbetweenthesensorsC.theyaretoofarawayD.theymoveveryfast
Foryearsscientistshavebeenworriedabouttheeffectsofairpollutionontheearth’snaturalconditions.SomebelievetheairinsidemanyhousesmaybemoredangerousthantheairoutsidE.ItmaybeonehundredtimesworsE.Indoorairpollutioncancauseapersontofeeltiredtosuffereye-painheadacheandotherproblems.Somepollutants污染物cancausebreathingdisordersdiseasesofbloodandevencancerMostscientistsagreethateverymodernhousehassomekindofindoorpollution.Peoplebegantonoticetheproblemintheearly1970s.Itisthatwhenbuildersbeganmakinghousesandofficestheydidnotwasteenergy.TodothistheybuiltbuildingsthatlimitedtheflowofairbetweeninsideandoutsidE.Theyalsobeganusingmanmadebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.Astheproblembecamemoreseriousscientistsbegansearchingforawaytodealwithit.Theydiscoveredanaturalpollutioncontrolsystemforbuilding―greenplants.Scientistsdonotreallyknowhowplantscontrolairpollution.Theybelievethataplant’sleavesabsorbortakeinthepollutants.Inexchangetheplantletsoutoxygenthroughitsleavesandthroughitstinyorganizationsonitsroots.ScientistssuggestthatallbuildingsshouldhaveonelargeplantorseveralsmallplantsinsideforeveryninesquaremetresofspacE.Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffectivewaytocleantheairistousedifferentkindsofplants.HavinggreenplantsinsideyourhousecanmakeitaprettierandmorehealthyplacE.64.Generallyspeakingindoorairpollutionmaybemoreharmfulthantheairoutsidebecause________.A.theman-madebuildingmaterialsletoutdangerousgasesinsidehousesB.theremaybemoreharmfulgasesoutsidehousesC.theflowofairindoorsislimitedD.indoorairpollutioncanmakeapersonseriouslyill65.Theindoorairpollutioniscaused________.A.bythebuildingmethodthroughwhichthebuilderswanttosaveenergyB.bythelimitoftheflowofairbetweeninsideandoutsideC.bythebuildingthingswhicharemadeofman-madematerialsD.notonlybythelimitofair-flowbutalsobythemanmadematerials66.Themosteffectivewaytocleantheairistousedifferentkindsofplantsbecause________.A.theymayletoutmoreoxygenwhichpeopleneedB.theycanabsorbdifferentkindsoftheharmfulindoorchemicalsC.theycantakeinallkindsofindoorpollutantsD.theycanmakeyourhouseprettierandmorehealthy
Americahopestostartbuildingabasethatcancontributetoexistallthetimeonthemoonwithin20years.Bythemid-2020sastronautswillbestayingthereforsixmonthsatimE.Sowhatdoscientiststhinkfoodandwaterwillbelikeforthosefirstmoonresidents?IntheshorttermfoodwouldhavetobebroughtfromEarth.Thedreamhoweveristogrowthingsingreenhousesonthemoon.You’dgrowthingsinliquid---there’snoreasonwhythatwouldn’tworksaysPillingeraprofessor.Thiswouldmeanfloatingplantsinanutrient-richsolutionofwater.Soilisnotanecessarythingforplants;it’sonlytokeepthemstandinguprightPillingeradds.Itwouldtakeatleastadecadeofexperimentsafterthebasewasbuiltbeforesuchaplanwouldworkhowever.Themainproblemisworkingouthowtogetnutrientsfromthelunar月球的soil.Gettingallthattoworkrequiresaminimumlevelofinfrastructure基础设施presentbeforeyoucanstartexperimentingwithgreenhousessaysPillinger.Findingstrongplantstogrowinspacewillalsobehardthoughscientistsarealreadyworkingonit:scientistAmyGrundenofNorthCarolinaStateUniversityhasbeenworkingongeneticallyengineeringfoodcropsthatcanbegrowninharsoff-planetenvironment.Waterisasomewhateasierprospect前景.OneofthereasonsthatAmericawantstoputitsbaseatthemoon’ssouthpoleisthatitthinksthatinthepermanentlyshadedcraterstherearelargepoolsoffrozenwater.Ifthatistrueitcouldeasilybeminedandusedtodrinkandtocreateoxygenforthehabitants.41.Thepassageismainlyabout______.A.lifeonthemoonby2020B.America’sfirstmoonbasethatexistsforeverC.foodandwateronthefuturemoonbaseD.housingforsettlersonthefuturemoonbase42.Howdopeopleplantonthemooninthefuture?A.ByburyingplantsinthelunarsoilB.Bygrowingplantsinwater.C.Bykeepingplantsstandingstraight.D.Bymakinguseofthemoonlight43.Whatdifficultywillscientistsmeetinsolvingthefoodproblem?A.Howtofindwatertoirrigateplants.B.Wheretoexperimentwithplants.A.Howtogrowplantsinthemoonsoil.D.Whatplantsaresuitabletogrowinthemoon44.Scientistswanttobuildthebaseonthemoon’ssouthpolebecause_______.A.thereisoxygenforpeopletobreatheB.peoplehavefoundthefrozenwaterthatcanbedrunkthereC.itisaplacewherewaterwillpossiblybefoundandsuppliedD.therearelargepoolsthatcanletpeoplehaveaswim.
Whenyouchooseafreezerrememberit’sprobablygoingtobewithyouforalongtimE.Soit’simportanttoknowwhichfreezerisrightforyourneeds.Firstdecideifyouwantanuprightorchestmodel.Uprightsaremoreconvenient.TheirstoragespaceismoreaccessibleandtheytakeuplessfloorareA.Howeverchestmodelsaremoreenergy-efficientbecauselesscoldairescapeswhentheyareopen.Ifyouarebuyinganuprightyou’llhavetochoosebetweenfrostless无霜ormanual手动的defrost解冻.Chestfreezersarealwaysmanual.Frostlessfreezersautomaticallydefrostatpresentintervals每隔一段时间andremovethewater.Manualmodelsmustbedefrostedbyhandeveryfewmonthsorwheneverfrostpileuptoaboutaquarterofaninch.Tohelpyourfreezerreacharipeoldagetrytofindaspotthat’scooldryandawayfromdrafts精棉.Draftsandheatwillraisethefreezer’scabinettemperaturewhichmakesitworkhardertokeepcool.Thatmeanswastedenergy.ThatmeanswastedenergyandashortenedlifE.Dryairisimportantbecausehighhumidity湿气cancausethefreezertorustoutsideandfrostupinsidE.Withpropercareafreezercanserveyoufor15yearsormorE.Regularcleaningandsimplemaintenancewillhelpitmaintainazero-degreetemperatureandkeepitsmellingfreshandlookingalmostnew.Frostlessmodelsrequireslesscarethanmanualdefrostfreezers.TheinsideofafrostlessunitshouldbewashedperiodicallywithwarmwaterandbakingsodaoramildsoaprinseanddrieD.Goodhabitsgoalongwaytowardafreezerthatrunsefficiently.Togetthemostfromyourfreezercheckregularlytomakesureit’sprovidingatruezero-degreetemperaturE.Keepthefreezeratleastthree-quartersfull.TheemptieritgetthemoreenergyiswasteD.Ifmorethanthreepoundsoffoodpercubicfootofstoragespaceisaddedevery24hourstheresultinghighorlowtemperaturecandamagethefooD.72.Whatcanwelearnfromthispassage?A.Itismoreimportanttokeepthefreezeratthetemperatureofzero-degreE.B.Itisaneasytasktohaveyourfreezerserveyoufor15years.C.Youdon’thavetoworryaboutdefrostingifyouchooseachestfreezer.D.Theopeningoffreezershasnothingtodowithenergy-saving.73.Accordingtothepassagechoosingthebestplaceforyourfreezermeans_____.A.puttingitinanunheatedgarageifpossibleB.locatingitnearastoveifitisamanual-defrostedmodelC.tryingtokeepitawayfromheatdraftsandhumidityD.locatingitascloseaspossibletothekitchendoor74.Inordertogetthebestresultsyoushould______.A.usecoolwatertowashtheinsideoffrostlessmodelsB.keepthefreezeratleast75%fullC.addthreepoundsoffoodevery24hoursD.putyourfreezerinagaragewithastrongfloor75.Whichstatementbestdescribesthemainideaofthepassage?A.Ittellsthemosteconomicalwaystouseafreezer.B.Itexplainshowtodefrostamanual-defrostedfreezer.C.Itintroducestheadvantagesanddisadvantagesoftwokindsoffreezers/D.Itgivesusefuladviceonhowtochooseandmaintainafreezer.
HowdidAncientPeopleTellTime?Naturalwaysofkeepingtime.Inancienttime.peoplehadtousethesunandthemoontotelltime.Theygotupwhenthesuncameupandworkedinthefieldsuntilthesunwentdown.Man-madethingsThesandc1ockismadeoftwoglassballsjoinedbyanarrowneck.Thetopballwasfilledwithsand.Thesandslowlymovedthroughtheneckintothebottomball.Peopleknewhowmuchtimehadpassedwhenallthesandhadfallentothebottomball.Peoplealsomadethewaterclock.Theymadeasmallholenear山ebottomofapot.Thentheyfilledthepotwithwater.Markingsinsidethepotshowedhowmuchtimepassedasthewaterdripped滴outofthehole.Nature’sC1ocksinLivingThingsAnimals’BodyClockAnimalsdonotneedclockstoknowtime.Theyhaveawayoftellingtimebytheirbodies.Birdsknowwhentoflytowarmerplacesbeforewinter.someanimalsknowwhentokeepmoref00dforthecoldwintermonths.Somefishknowwhenitistimetomoveuptheriverandlayeggs.PlantshavetheirownclocksPlantsals0havetheirownclockstokeeptime.Plantsknowwhentoopenflowersorwhentodroptheirleaves.TheBodyClockinHumanBeingsPeoplealsoh8vetheirownbodyclocks.Whenwegetusedtoourlivesourbodyclockscanbeveryaccurate.Itcantelluswhenitistimetowakeup.Itcanalsotelluswhentoeatortogotosleep.64.Howcouldanancientfarmerknowwhent0gobackhomefromthefieldinthedaytime?A.Bylookingatthestars.B.Bylookingatthemoon.C.Bylookingatthesun.D.Byfeelingwhethertiredornot.65.Accordingtothepassagehowcananimalsknowtime?A.Theyusebodyclocks.B.Theyaskotheranimals.C.Theyusethesunandthemoon.D.Theymakesomethingtotelltime.66.Inwhatwayisthesandclockthesameasthewaterclockintellingtime?A.Bothofthemhaveaneck.B.Bothofthemhavetwoglassballs.C.Bothofthemcanbeusedonlyonce.D.Bothofthemgivethetimebyquantity.67.Whatisthebesttitleforthewholepassage?A.Man―madeclocksB.Nature’sclocksC.TimeandclockD.Howpeoplekeeptime
Publishingonpaperwilldrawuptoanendinthenext30years.That’swhatsomehigh-techexpertshavesaideversincecomputersbeganappearingineveryone’sworkplacE.IfyouhaveeverreadanewspaperonlineyouhaveexperiencedatinypartofwhatpaperlessfuturelooklikE.Newtechnologywillcertainlycontinuetorevolutionizewrittencommunication.Butwilltheuseofpaperinoureverydaylivesreallydisappearanytimesoon?Welldon’tgiveuponpaperjustyet.PaperanancientChineseinventionhasdominated主宰writtencommunicationforcenturies.CaiLunanofficialintheChineseImperialCourtiswell-knownforinventingpaperinA.D.105.Thisinventionchangedtheworldforever.Todaysurprisinglyitseemsthedigitalagehasactuallystrengthenedtheimportanceofpaper.Studiesshowthatpaperusehasdoubledinthelast20years.Peoplestillliketoprinttheirlongerdocumentsande-mails.Buttoday’stechnologyisrapidlyimproving.AndeffortstowardapaperlessworldcontinuE.TheInternetisclearlyonegiantstep.ManyofthepublicationshavecreatedWebsitesthatoffereverythingintheirpapereditions―andevenmorE.TheirWebsitescanbecontinuallyupdatedasnewshappens.OthertypesofmaterialhavealsofitwellintothedigitalagE.Dictionariesandotherreferencebooksactuallyworkbetterinapaperlessformat.InformationpublishedonaWebsiteorCD-ROMcanbekeptmorecurrent.Inadditionpublishershavebeguntoproducee-bookversionoftheirbestsellers.Newe-bookreaders---asimplecomputeraboutthesizeofapaperbackbook―canstorenearlyahundredbooks.Bute-bookshaven’tgainedalargefollowing.ReadingfromacomputerissimplyuncomfortableandpaperbackbooksareeasiertocarryarounD.64.Whichofthefollowingisnottrueaccordingtothepassage?A.Theinventionofpaperrevolutionizedwrittencommunication.B.PublishingonpaperwilldisappearinthenextdecadE.C.Mostbookswillcontinueinpaperfornow.D.Digitalbooksarereadonacomputerscreen.65.Whatsurprisesustodayisthatthedigitalagemakespeoplerealize______________.A.theimportanceoftheuseofpaperB.theimportanceofpaperlessworkplaceC.thepaperlessfuturewillcomesoonerorlaterD.howimportantpaperhasbeeninthelast20years66.Whatisnotincludedasaresourceofpaperlessmaterialinthepassage?A.e-booksB.CD-ROMC.anewspaperonlineD.dictionariesandotherreferencebooks67.TheInternetisclearlyonegiantstepimpliesthat__________.A.ItoffersyouanopportunitytoexperienceapartofpaperlessfuturE.B.ThisnewtechnologyfitswellintothedigitalagE.C.A.substituteforpapermightsomedaybeareality.D.Fornowtheworldwillcontinuetostickwithwhatworks.
Everyyear2.2milliontonsofoilarespilledintotheocean.Actuallythisonlyamountstoasmallpercentageofthetotal1.6billiontonsofoilshippedaroundtheworldeachyear.HoweverthisspilledoilhasterribleeffectsonoceanlifeincludingthecoastlineswheretheoilwashesupontoshorE.Someofthelargestspillsinhistorywerecausedbyoiltankersrunningintoeachotherorbyanoiltankersailingintoshallowwaterandhittingthebottomoftheocean.AfterthesespillsofficialstrytodiscoverwhoorwhatwasatfaulttohelppreventsimilaraccidentsinthefuturE.OneoftheworstoilspillsinhistoryoccurredalongtheAlaskancoastlinein1989.Inthisaccident42000tonsofoilspilledfromatankerwhichresultedinterribledamagetothissensitivenaturalareA.Inthisspillthetanker’scaptainwhowastiredfromoverworkanddrinkingalcoholhadgonetotakearest.HegavecontroloftheshiptothethirdmatE.ThethirdmatewasunfamiliarwiththepaththeshiptookandherantheshipontoBligheReef.BligheReefisanaturalunderwaterrockwallneartheAlaskancoast.Damagedbythereeftheshipleakedoiloutintotheocean.Morethan1600kilometersofcoastlinewereaffectedbytheoilspill.Somescientistswhostudiednatureintheareaguessedthat580000birdsand5500ottersdiedwhentheoilfromthespillcoveredtheirskin.Aswellsmallershellfishandotherseacreatureswerelatereatenbysealswhalesandotheranimals.ThemostoileverspilledwasactuallydumpedonpurposeasanactofecologicalwarfarE.Thetermecologicalwarfaremeanstofightbydoingharmtonatureintheareaunderattack.In1990IraqsentsoldiersintoKuwaitandsetoffthePersianGulfWar.AspartoftheIraqwarplan9000000tonsofoilwereletoutintothePersianGulfbyIraq.Thisoilcovered1500squarekilometersofwaterinthePersianGulf.Theoilalsodamaged650kilometersofthecoastlineofbothKuwaitandSaudiArabia.Insomeplacesoilfloatingonthewaterwasmeasuredtobe43centimetersthick.Waterbirdswaterplantsandbabyfishwereallseriouslyaffectedbytheoil.Thelong-termeffectsofthisactonthefoodchainintheareaareboundtocauseproblemsfarintothefuturE.55.Whichcauseofoilspillsisdescribedinthesecondparagraph?A.Dumping.B.War.C.Accidents.D.Throwingaboutcarelessly.56.ThecreaturesaffectedbytheoilspillnearAlaskawere.A.birdsandottersB.shellfishC.sealsandwhalesD.alloftheabove57.Thethirdmateranthetankeraground触礁inthisaccidentbecause.A.hewastiredB.hewasdrunkC.hewastalkingonthephoneD.hedidnotknowthearea58.wasresponsiblefordumpingoilintothePersianGulf.A.TheUnitedStatesB.KuwaitC.SaudiArabiaD.Iraq
ResearchersintheUnitedStatessaydustcloudsfromdryAfricandesertsmaybeathreattotheenvironmentandhumanhealth.Theysaythedustmaycontainmanysmallorganisms有机物thatcouldbedangeroustosomepeoplE.EachyearhugeduststormsformintheSaharaandSaheldesertsofnorthernAfricA.WindscarrythedustacrosstheAtlanticOcean.ThemovementofdustacrosstheAtlanticOceanhasbeenincreasinginrecentyearsbecauseoflongerperiodswithoutraininAfricA.FromFebruarytoAprilthedustsettlesinSouthAmericA.FromJunetoOctoberthewindschangeandtransportthedusttoNorthAmericaCentralAmericaandtheCaribbean加勒比海地区.Thedustcloudstravelseveralthousandmetersabovesealevel.IttakesfivetosevendaysforthedusttocrosstheAtlanticOcean.Researchershavelongknownthatthedustcloudscouldtravellongdistances.Buttheythoughtfewmicroorganismscouldsurvivethetripbecauseofdamagingultravioletradiation紫外线fromthesun.Researchersnowbelievethatthedustcloudsblockenoughofthelighttoprotectvirusesbacteriaandfungiinthedust.ResearcherssaythesemicroorganismsmaybeahealthrisktosomepeoplE.AbouthalfthebacteriaandfungithatsurvivethetripfromAfricaareknowntocausediseaseinpeopleorplants.MorethanhalfofthedustthatreachestheUnitedStatessettlesinthestateofFlorida.FormanyyearsithascausedtheskiestheretoturnreD.NowresearcherssaytheremaybealinkbetweentheduststormsandincreasedhealthrisksinFlorida.TheybelievethedustcauseshigherratesofasthmaallergiesandotherbreathingproblemsinpeopletherE.ThedustalsohasbeenlinkedtoalargeincreaseinlungproblemsinatleastoneCaribbeannation.58.WhichstatementaboutAfricanduststormsisTRUE?A.TheyforminthenorthofAfricaandmoveeastwards.B.TheyforminthenorthofAfricaandmovewestwards.C.TheysettleinSouthAfricafromFebruarytoApril.D.IttakesoveraweekforthemtocrosstheAtlanticOcean.59.TheworstthingaboutAfricanduststormis______.A.theheattheygiveoffB.thedistancetheycoverC.themicroorganismstheycontainD.thetimetheylast60.WhichisNOTtheeffectofthedustinFlorida?A.FormanyyearstheskythereturnsreD.B.HealthrisksincreasetherE.C.TheratesofbreathingproblemsishighertherE.D.HalfthebacteriaandfungisurvivedtherE.
Overthepast10yearstechnologiesthathavecombinedcomputerswithtelephonehavedevelopeD.TechnologiessuchasPCfaxprogramsandLANfaxservers局域网传真服务器havebeenusedtoimprovefaxcommunications.Thelatestcomputer-basedtechnologiesarenewmechanisms机制whichuseIPInternetProtocol因特网协议tosendfaxesthatisIPfax..Traditionalfaxhasafairlysimpleusagemodel.FirsttheuserinsertsadocumentintothefaxmachineentersthedestinationfaxnumberandpressesthestartsbuttononthemachinE.ThesendingmachinedialsthereceivingfaxmachinE.IfitconnectsthesendingmachinescansthedocumentsandsendsitoverthepublicswitchedtelephonenetworkPSTN公共电话交换网tothereceivingmachinE.Atthesametimethereceivingmachinereceivesthedocumentandthenprintsit.InIPfaxsystemtherearetwobasictransmissionmodes:store-and-forwardmodeandreal-timemodE.Store-and-forwardmodehasbeenwidelyuseD.Inthismodetheentiredocumentissenttoanetwork-basedserverthatstoresitandthensendsittothedestination.Real-timeIPfaxingissimilartotraditionalfax.Real-timemodeallowstwofaxmachinestodirectlycommunicatethroughsomestandarD.IPfaxenabledafaxdocumenttobesentfromonepersontoanother.A.faxmachineoracomputercanbeusedtosendorreceivethefax.IPfaxalsoallowse-mailtobeusedtoreceivefaxes.Thiswouldenableuserstoreceivefaxesanywhereanythingwithaninternetfaxaddress.67.Thepassageismainlyabout.A.IPfaxB.PCfaxC.traditionalfaxD.thedevelopmentoffaxcommunications68.IntraditionalfaxcanbeuseD.A.evencomputersB.LANfaxserversC.e-mailD.onlyfaxmachines69.IPfaxcanuseallofthefollowingtosendandreceiveafaxexcept.A.afaxmachineB.areceivingmachineB.acomputerD.e-mail70.Inparagraph2thewordinsertscanbereplacedby.A.printsB.pressesC.putsD.uses
Haveyoueverfeltannoyedwhenlefttalkingtoyourselfafteryourmobilephonebatteryrunsoutinthemiddleofacall?Ifyesthenherecomessomegoodnews.ScientistsarenowperfectingawaytorechargeelectricalequipmentwhileonthemovE.ResearchersfromtheNetherlandsFranceandPortugalannouncedlastweekthattheyhavedevelopedverythinsolarpanelsthatcanbeputonclothes.Theycanalsobeaddedtofurnitureandrooftops.Theychangelightfromthesunintoelectricity.Inaboutthreeyearsyou’llbeabletowearajacketthatwillrechargeyourphoneasyouwalk.Forcampingfansthedevelopmentcouldleadtoatentwhichchargesbatteriesalldaysoyoucanhavelightormusicatnight.Thebasictechnologyofwearablesolarpanelsisthesameasthatusedfortraditionalsolarpanels.Pairsofsheetsofsemi-conductingsilicon半导体arelinkedtogethertoformthepanel.Butscientistsmadethemmuchthinnerbyusingdifferentsilicon.Atonemicrometretheyareofthesamethicknessasphotographicfilm.ThistechnologywillmakeiteasierforpeopletousecleanenergysourcessaidaphysicistintheNetherlandswholedtheteamofscientists.Butthethinpanelsarenotasefficientasthethickerones.Whilesomesolarpanelsnowoperateatanefficiencyofabout20percentthenewflexible可弯曲的panelsareonly7percentefficient.Butthethinnerpanelischeaper.AnA4sizedpanelputontothebackofajacketcostlessthanUS$13.ItcouldchargeacellphoneduringasummerwalkinthecountrysidE.Aslongasyoustaywithinrangeofthetransmittingmasts发射天线thatrelayacalltothenetworksphoneswillneveragainrunoutofpower.45.Thepassageiswrittento__________.A.advertiseanewproductB.explainhowanewproductworksC.introduceanewproductD.comeparedifferentwaystousesolarenergy46.WhichofthefollowingisTRUEabouttheelectricalequipment?A.Itcanonlybeusedwhilecamping.B.Youcanlistentosomemusiconit.C.Itwillbeputintouseinafewyears.D.Itcanonlybeusedasyouwalk.47.ThethinpanelhasthefollowingadvantagesEXCEPTthat_________.A.itisflexibleB.itismoreefficientC.itischeaperD.itusescleanenergy
TreatwithRespectThespeedwithwhichManischangingthefaceofEarthhasoutstripped超过allthemightyprocessesofnatureputtogether.InhishastetosupplyhimselfwithincreasingquantitiesofEarth’streasuresherisksdestroyingonehegreatlyneedshisnaturalsurroundings.Somecountriessetasideunspoiledareasofnaturalbeauty.Canadahasthelargestsystemofnationalparksintheworld29inallcoveringabout13millionhectarespreservingthedifferentlandscapesandtheplantandanimallifE.Othercountriesarerestoringareaswhichhavebeenreducedtowastelandbymining.AtBrokenHillinAustraliadriftingsandfromrockcrushingturnedtheareaintoadesertsweptbysandstorms.Thisisnowbeingirrigatedfertilizedandplantedwithgrassandtrees.InGreatBritainquarriesandgravelpits深坑arebeingfilledinormadeintolakesindustrialwastelandisbeingturnedintoplayingfieldsandwastetipsintoslopinggreenhills.HoweverMantriestolookafterEarththefactisthatheisusingupatagreatrateresourcesespeciallyfuelresourceswhichhavetakenmillionsofyearstoaccumulateandwhichhecannotrenew.YeteverydaytheEarthreceivesahugesupplyofenergyfromtheSun.Manhasmadeseveralexperimentsinusingsolarenergytoheatfurnaces熔炉cookersandwater-distillers.InspacetechnologyE.g.onsatellitessolarcellsconvert使转变sunlightintoelectricity.Housesandofficeshavebeendesignedwhicharecentrallyheatedbywaterorairheatedbythesunlight.WhenMancantrapandstorethisenergysothathecanuseitexactlyasheneedsithewillhavenotonlyanendlesssupplybutacleanandsafeonE.60.Themainideaofthesecondparagraphis________.A.Manyareasthroughouttheworldhavebeentransformedintowastelandbymining.B.AustraliaandGreatBritainaretheonlytwocountriesthatarechangingthefaceoftheEarth.C.SomecountriesaretakingeffectivemeasurestomakeuseofthewastelandandtobeautifytheEarth.D.Developingcountriesshouldlearnfromdevelopedcountriestolookafterournaturalsurroundings.61.Accordingtothisselectedpassagewhichenergyisconsideredtobeendlesscleanandsafe?A.Energyfromlakewaters.B.EnergyfromfuelresourceswhichhavetakenmillionsofyearstoaccumulatE.C.Energyfromforests.D.EnergyfromtheSun.62.Whichcountryhasthelargestscaleofnatureprotectionaccordingtothispassage?A.GreatBritainB.AustraliaC.theU.S.A.D.Canada63.Whichofthefollowingstatementsdoyouthinkistrueafterreadingthepassage?A.Manisdestroyingthenaturalsurroundingsonpurposebecausethesurroundingscannotmakethemsatisfiedtogetenoughtreasures.B.Allthewastelandthroughouttheworldisnowbeingirrigatedfertilizedandplantedwithgrassandtrees.C.Wherethereisadeserttherecanbesandstorms.D.EnergyfromwatersforestsfuelresourcesandthesuntakesmillionsofyearstoaccumulatE.
InthesecondhalfofeachyearmanypowerfulstormsareborninthetropicalAtlanticandCaribbeanseas.Oftheseonlyaboutahalfadozengenerate产生thestrongcirclingwindsof75milesperhourormorethatgivethemhurricanestatus状况andseveralusuallymaketheirwaytothecoast.TheretheycausemillionsofdollarsofdamageandbringdeathtolargenumbersofpeoplE.Thegreatstormsthathitthecoaststartasinnocent无害的circlingdisturbances搅动hundreds---eventhousands---ofmilesouttoseA.Astheytravelaimlesslyoverwaterwarmedbythesummersuntheyarecarriedwestwardbythetradewinds.Whenconditionsarejustrightwarmmoistairflowsinatthebottomofsuchadisturbancemovesupwardthroughitandcomesoutatthetop.Intheprocessthemoistureinthiswarmairproducesrainandwithittheheatthatisconverted变换toenergyintheformofstrongwinds.Astheheatincreasestheyounghurricanebeginstoswirl漩涡inacounter-clockwise逆时针方向motion.TheaveragelifeofahurricaneisonlyaboutninedaysbutitcontainsalmostmorepowerthanwecanimaginE.Theenergyintheheatreleasedbyahurricane’srainfallinasingledaywouldsatisfytheentireelectricalneedsoftheUnitedStatesformorethansixmonths.Waternotthewindisthemainsourceofdeathanddestruction毁灭inahurricanE.A.typicalhurricanebrings6-to12-inchdownpoursresultinginsuddenfloods.Worstofallisthepowerfulmovementofthesea-themountainsofwatermovingtowardthelow-pressurehurricanecenter.Thewaterlevelrisesasmuchas15feetabovenormalasitmovestowardshorE.44.Whenisanordinarytropicalstormcalledahurricane?A.WhenitbeginsintheAtlanticandCaribbeanseasB.WhenithitsthecoastlineC.Whenitismorethan75mileswideD.Whenitswindsreach75milesperhour45Whatistheworstthingabouthurricanes?A.thedestructiveeffectsofwaterB.theheattheyreleaseC.thattheylastaboutninedaysontheaverageD.theirstrongwinds46Thecounter-clockwiseswirlingofthehurricaneisbroughtaboutby_____.A.thelow-pressureareainthecenterofthestormB.theforceofwavesofwaterC.thetradewindsD.theincreasingheat47.Apparentlytheworddownpourmeans_______.A.heavyrainfallB.dangerouswavesC.theprocessofwatertothehurricanecenterD.theenergyproducedbythehurricane
TOKYOJapanAPJapanisveryseriousaboutrobotics机器人技术.IfthedroidsaregoingtofitintheyprobablyneedtolearntheJapanesecustomofservingteA.FortunatelyresearchersattheUniversityofTokyoareexploringjustthat.Inashowthisweekahumanoid有人特点的withcameraeyesmadebyKawadaIndustriesInC.pouredteafromabottleintoacup.Thenanotherrobotonwheelsdeliveredthecupofteainanexperimentalroomthathassensorsembeddedinthefloorandsofaaswellascamerasontheceilingtosimulate模仿lifewithrobottechnology.Ahumanbeingmaybefasterbutyou’dhavetosay‘Thankyou’saidUniversityofTokyoprofessorTomomasaSato.That’sthebestpartaboutarobot.Youdon’thavetofeelbadaboutaskingittodothings.SatobelievesJapanarapidlyagingsocietywheremorethanafifthofthepopulationis65orolderwillleadtheworldindesigningrobotstocarefortheelderlysickandbedridden卧床不起的.AlreadymonitoringtechnologiessuchassensorsthatautomaticallyturnonlightswhenpeopleenteraroomarebecomingwidespreadinJapan.ThewalkingchildsizeAsimofromHondaMotorCo.greetspeopleatshowrooms.NECCorp.hasdevelopedasmallercompanionrobotonwheelscalledPapero.A.sealrobotavailablesince2004canentertaintheelderlyandothersinneedoffuzzycompanionship.Satosayshisexperimentalroomisraisingawarenessaboutprivacyquestionsthatmayarisewhenelectronicdevices设备monitoraperson’smovementsdowntothesmallestdetail.Onthebrightsidetheteapouringhumanoidhasbeenprogrammedtodothedishes.51.Whatisthebesttitleofthispassage?A.ThankYouWillNeverBeNeededinJapanB.MonitoringTechnologiesAreWidespreadinJapanC.RobotIsDesignedtoCarefortheElderly.D.RobottechnologiesarewidespreadinJapanesedailylifE.52.Theunderlinedwordembeddedinthefirstparagraphprobablymeans.A.fixedB.establishedC.settledD.rooted53.AccordingtoProfessorSato.A.therobotservesteamuchfasterthanahumanbeingB.therobotdoesanythinglikehumanbeingsC.teaservingrobothelpstoformlazinessoftheagingsocietyD.teaservingrobotdoesn’tneedanyrewardfortheservice54.WhichofthefollowingstatementsisNOTtrue?A.A.robotcanimitatepeopletocompletecomplicatedtasksB.A.robothasbeenprogrammedtocleanthedishesC.Alltheproblemsintheagingsocietycanbesolvedbyrobots.D.ThenumberofagingpeopleisincreasingrapidlyinJapan.55.Wecaninferfromthepassagethat.A.peopleareafraidofbeingmonitoredbyrobots.B.thetechnologyofrobotshasbeenhighlightedinJapan.C.robotscancompletelytaketheplaceofhumanbeings.D.people’sprivacyshouldbestrictlyprotected
Birdsincitiesaredamagingtheirhealthbytryingtosingabovethenoiseofurbanlife.Newresearchshowsthatmalebirdsaretryingtocompeteagainsttrafficandcitysounds.Theyarenowsinginglouderandathigherfrequencieswhichcouldharmtheirvocalcords声带.Somebirdsarechoosingtosingatnightinsteadofduringtheday.Thismakesthemmoreopentoattackandalsocreatesstressandexhaustion.Thedifferencebetweenurbanandruralbirdsongisbecomingsobigthatthetwogroupscouldnowbeunabletocommunicate.Thiscouldleadtoinbreeding同系交配andaweakgenepoo1.saidDrSueAnneZollingerofthe.UniversityofStAndrews.AccordingtoZollingarabirdgroupwithasmallgenepoolmightadaptlessquicklytonewdiseasesandcouldbewipedout.AstudyofthedawnchorusfoundthatbirdsinBerlinsangupto14decibels分贝louderthanthoseintheforest.Thebirdssangloudestonweekdaymornings.BytryingtosingoverthesoundofthecitybirdsalerisingvocalinjurysaidZollinger.Allthisputsthesamestrainonabird’svocalcordsaswhenahumanneedtoshouttobeheard―exceptthatthebirdsaredoingitalldayeverydayshesaid.Singingundersuchpressuremeansbirdshavelesscontroloverthesoundtheyproduce.Theirsongsmaylosequalityandbecomemorerough―sounding.saidZollinger.Thiscouldmakethemappearlessattractivetofemalebirds.MarkConstantineauthorofTheSoundApproachtoBirdingsaidBirdsongisimportantforourqualityoflifeandhasbeenprovedtoreduceourbloodpressure.Whenweliveinthecentreoflargeurbanareaswegetstressedandit’sextremelygoodtohavebirdsongaroundus.Theimpactonhumansofbirdsongismassive.Itharmsusaswellasthebirdsiftheirsongsbecomelouderandsimpler.68.Somebirdsincitiesnowchoosetosingatnighttimebecause____________.A.theywanttoattractmorebirdsofoppositesexB.theyaremorelikelytobediscoveredbytheirfamilyC.theycan’tadapttotheloudnoisesduringthedaytimeD.theyhavetofrightentheirenemyaway69.Accordingtothepassageurbanandruralbirdsmightnotbeableto___________.A.recognizeeachotherB.communicatewitheachotherC.1ivewitheachotherD.competeagainsteachother70.Itrequiresgreatesteffortsforbirdsincitiestosingon______________.A.MondaynightsB.WednesdayafternoonsC.SaturdayEveningsD.Fridaymornings71.AccordingtoDrSueAnneZollingerbirdssingingloudermighteventuallyleadto___________.A.theharmdonetoman’shealthB.thedyingoutofaspeciesC.theseriousdamagetothebird’svocalcordsD.thedecreaseofthebirthrateofabirdgroup
Onethingthetourbooksdon’ttellyouaboutLondonisthat2000ofitsresidentsarefoxes.Theyranawayfromthecityabouttwocenturiesagoafterdevelopersandpollutionmovedin.ButnowthattheenvironmentisclearthefoxeshavecomehomE.ThenumberandvarietyofwildanimalsinurbanareasisincreasingsaysComerJones.A.surveyofthewildlifeinNewYork’sCentralParklastyearcounted14speciesofmammals.A.similarsurveyconductedinthe1890scountedonlyfivespecies.Severalchangeshavebroughtwildanimalstothecities.Foremostisthatairandwaterqualityinmanycitieshasimprovedasaresultofthe1970spollution-controlefforts.Meanwhileruralareashavebeenbuiltupleavingmanyanimalsontheedgesofsuburbs.Inadditionurbanwildliferefuges避难处havebeencreateD.TheGreaterLondonCouncillastyearspent￡750000tobuylandandbuild10permanentwildliferefugesinthecity.Asaresultmanybirdsarenowlivinginthecity.Forperegrinefalconscitiesareactuallysaferthanruralcliffdwellings悬崖栖息地.By1970thebirdshaddiedouteastoftheMississippibecauseoftheDDThadmadetheireggstoothintosupportlifE.ThatyearscientistTomCadeofCornellUniversitybeganraisingthebirdsforreleaseincitiesaffordedplentyoffooD.Citiescanattractwildanimalswithoutturningthemharmful.Thetrickistocreatehabitatswheretheycanbeself-sufficientbutstillbeseenandappreciateD.Suchhabitatscanevenbefunctional.InSanFranciscothelocalgovernmentistestingdifferentkindsofrainwatercontrolbasinstoseenotonlywhishonesretain保持thecleanestwaterbutwhichwillattractthemostbirds.59.Thepassageismainlyconcernedwith_____.A.wildlifereturningtolargecitiesB.foxesreturningtoLondonC.wildanimalslivinginzoosD.asurveyofwildlifeinNewYork60.ItcanbeinferredfromthepassagethatA.LondonersareputtingmoreandmorewildanimalsintotheirzoosB.LondonersarehappytoseewildanimalsreturntotheircityC.LondonersaretryingtomovewildanimalsbacktothecountrysideD.Londonershavewelcomedthewildbirdsbutfoundfoxesaproblem61.AccordingtothepassagethenumberofspeciesofwildlifeinNewYork'sCentralPark.A.isslowlydecreasingB.competesfavorablywithothercitiesC.isonthesamelevelasbeforeD.hasmorethandoubledinthelastcentury62.WhichofthefollowingisNOTareasonthatwildlifereturningtothecities?A.Foodisplentifulinthecities.B.Wildlifeisappreciatedinthecities.C.Wildliferefugeshavebeenbuiltinthecities.D.Airandwaterqualityhasimprovedinthecities.
阅读下列材料61―65题中提到的人都是某个环境保护组织的成员选项A―F.列举了他们日常所做的保护环境的事项请将每组人员和他们所遵循的基本守则配对有一组守则不用选因为它不是针对任何特定人员的_________61.Mrs.Andersonisahousewifewiththreechildren.Shehastostayathomebusycaringforherfamilyeveryday.Sinceshehasjoinedthegroupshebeginstosetsomerulesforthewholefamilytoobey.Theyare_________62.TheMorgansareanoldcouplewhohavebeenretiredforoverfiveyears.Mr.MorganisfondoffishingwhileMrs.Morganlikesplayingthepiano.Theyareoftenfoundbytheneighborsenjoyingthemselvesseparately.Luckilyforthemtheyhaveonecommoninterest―gardening.Youmayfindtherulesforthemwhiledoinggardeningasbothofthemarethemembersoftheenvironmentalgroup._________63.Mr.Scottisataxidriver.Heisverywarm-heartedandoftenhelpspeopleinthisdistrict.Beingoneoftheorganizersoftheenvironmentalgrouphehassometipsforotherswhousecarsfrequently._________64.Mr.Smileyisabossofanadvertisingcompany.Heactsasamemberofseveralsocialorganizationsincludingthisenvironmentalgroup.Hesaysitisofgreatimportancetodosomethingtoprotecttheenvironment.Sohehassomerulesforhimselfaswellasforhisemployeestoobeywhileworking._________65.MissReidisashopassistant.Inhereverydayworksheoftenseessomeconsumershavelittlesenseofenvironmentalprotection.Shefeelsitherdutytoadvisethemtodoshoppingaccordingtosomepracticalruleswhichwillsavethemmoneyaswellastheenvironmentinthelongterm.A.*Haveapropertirepressuretosavegas.*Alwayskeepyourcarsingoodordermakingallmaintenancecheckpoint.*DoataconstantspeedandsteponthegaslessharD.*UsepublictransportasmuchaspossiblE.B.*AvoidbuyingthingsinplasticcontainerswheneverpossiblE.*Buyonlythemostenergy-savingmodelsofappliances.*BuylocallygrownfoodandlocallymadeproductswhenpossiblE.*Don'tbuyproductsmadefromendangeredanimals.*Don'tbuyproductsattheexpenseofimportanthabitatssuchasrainforests.C.*RecycleeverythingpossiblesuchasnewspaperscansglassbottlesetC.*Turndowntheheatandturnoffthewaterheaterbeforeleavingforvacation.*Storefoodinre-usablecontainersinsteadofone-offwraps.*RecycleChristmastreesasmanytimesaspossiblE.D.*Joinaconservation保护organization.*Volunteeryourtimetoconservationprojects.*Encourageyourfamilyfriendsandneighborstosaveresourcestoo.*Takeanactivepartinsuchactivitiesasplantingtrees.*Teachchildrentorespectnatureandtheenvironment.E.*Tohaveleftoverfoodputinapiletofertilizeplants.*Pullweedsbyhandinsteadofusingherbicides除草剂.*Useonlyorganicfertilizerswhichdolessharmtothesoil.*NeverburnleavesbuthavethemrotteD.F.*RecycleofficeandcomputerpapercardboardetC.wheneverpossiblE.*Usemoree-documentsinsteadofpaperones.*Printorcopyonbothsidesofthepaper.*Re-usemailenvelopesandfilefolders.
LONDON-ThetinydistantandfrozenplanetPlutofor30yearsbelievedtohavejustonemoonhassuddenlybeenfoundtohavetwomoresatellites.Onlydiscoveredin1930becauseofitsvastdistancefromEarthPlutohasremainedalargelymysteriousobjecteversincE.SomethreebillionmilesfromtheSunPlutoadwarfplanetremainstobevisitedbyaspacecraft.ItsfirstknownsatelliteiscalledCharon.Withadiameterof1200kmitishalfthatofPluto-unusuallylargeforamooninrelationtoitsprimary.ButnowusingimagesfromtheHubbleSpaceTelescopescientistsfromJohnsHopkinsUniversitySouthwestResearchInstituteandtheMassachusettsinstituteofTechnologysaytheyhavefoundtwomoretinyorbitingsatellitesP1andP2.BotharetravelingoutsidetheorbitofCharonandaretinybycomparisonthescientistswroteinthejournalNature.P1themoredistantofthetwofromPlutohasadiameterofbetween60and165kmwhileP2is20percentsmaller.AlthoughdefinitiveorbitscannotbeobtainedbothnewsatellitesappeartobemovingincircularorbitsinthesameorbitalplaneasCharonwithorbitalperiodsofabout38daysforP1and25daysforP2theywrote.ThediscoveryofthetwonewmembersofP1uto’sfamilymakesittheonlyobjectintheKuiperbelt―avastregionofrockandicebeyondNeptunewhichcontainsdebrisfromtheformationofthesolarsystem―knowntohavemultiplesatellitesthescientistssaid.72.Itisimpliedinthepassagethat.A.Charonwasnotdiscovereduntilthelate1960s.B.CharonisthelargestsatelliteinthesolarsystemC.alltheinnerplanetsarebetterobservedthanPlutoD.Plutomayhavesomemoremoonstobediscovered73.TheunderlinedwordprimaryinParagraph4refersto.A.sizeB.shapeC.planetD.Earth74.WhichofthefollowingshowthepossibleorbitsandpositionsofPluto’ssatellites?75.Whichofthefollowingisthebesttitleforthepassage?A.Pluto:furthestinthesolarsystem.B.Pluto:twoadditionalmoonsfound.C.Pluto:tinydistantandfrozenplanet.D.Pluto:twosatellitesformedin30years.
Biomassenergy生物能oftenforgottenaspromisingalternativetooilreceiveditsdayinthesunwiththegatheringoftheBio-EnergyWorldCongressandExpositioninAtlantaGeorgialateinApril2007.Nearly1700scientistsbusinessmenandpolicy-makersone-quarterfromtheforeignnationsgatheredforaweektodiscussvariousmeansofsqueezingusableenergyoutoftreescropsseaplantsandurbanwastE.BiomassenergyintheUnitedStatescontributes2.5percentofthetotalsupplybutthisamountcanbedoubledby2017andthendoubledagainbytheyear2027.EightpercentofSweden’senergysupplyforexampleispresentlycomingfromwoodandpulp纸浆remaining.Swedenintendstoraisethispercentagebymoreintensiveharvestingofwastefoodlyingaroundinforestsandthroughtheplantingofso-calledenergyforestsoffast-growingtreessuchaswillow.Brazilisfrequentlypointedtoasanationwithamajorsuccessfulinvestmentinenergycomingfromgrains:itpresentlyruns330000automobilesonawaterandalcoholmixturereplacing10percentofitspreviousoilsupply.Brazilianrepresentativesattheconferencesaidtheywishtodoublethisinfiveyearswithafinalgoaloftotalreplacement.Mostofthecarsarebuiltatthefactorytousethemixturewhileoldermodelsarechangedthroughlow-costgovernmentprograms.72.Whichofthefollowingstatementsissupportedbythepassage?A.Nearly1700scientistsattendedtheconferencE.B.A.quarterofAmericanbusinessmenwerepresentattheconferencE.C.Foreignpolicy-makersaccountedforaquarter.D.Three-quartersoftherepresentativeswerefromtheU.S.73.OfthetotalsupplytwentyyearslaterbiomassenergyintheU.S.willbe________.A.5%B.10%C.15%D.20%74.WhichofthefollowingisNOTregardedasbiomassenergy?A.Willowandseaplants.B.Woodandgrains.C.WaterandalcoholmixturE.D.CropsandoilmixturE.75.Asuitabletitleforthispassagewouldbe____________.A.AnEnergyConferenceB.ApprovalofBiomassEnergyC.Bio-EnergyforAutomobilesD.KeystoEnergyCrisis
ScientistshavelongbelievedonewaytostoptheEarth’satmospherefromwarmingisbyplantingmoretrees.TheideaisthatmoretreestakeinorabsorbsomeofthecarbondioxideintheatmospherE.Carbondioxideisagasreleasedbycarsfactoriesandotherhumanactivities.ThegastrapsheatintheEarth’satmospherewhichwarmstheplanet.Howevertwonewstudieshavefoundthattreesmaynotbeashelpfulinreducingcarbondioxideashadbeenthought.ThefirststudywasdoneatDukeUniversityinDurhamNorthCarolina.Researcherspumpedextracarbondioxideintoatestareawherepinetreesweregrowing.Thetreesgrewthirty-fourpercentfasterduringthefirstthreeyears.HoweverintimethetreesslowedtoabouttheirnormalgrowthratE.Thescientistssaythisisbecausetreesneedothernutrientssuchasnitrogen.InthesecondstudyresearchersfromDukeandBowdoinCollegeinBrunswickMaineexaminedthesoilaroundtrees.Theydiscoveredthatastheleavesbrokedownintothesoilallthecarbonwasnottrappedinthesoil.MuchofitwasreleasedintotheatmosphereascarbondioxidE.Forestplantinghasbeenapartofnegotiationsonaworldagreementtoreducegreenhousegasesthatscientistsbelievecauseglobalwarming.TheUnitedStatesCanadaJapanandsomeotherindustrialcountrieshavesupportedtheideA.Butthisnewresearchsuggeststheideaisnotaseffectiveasenvironmentalactivistshadthought.ScientistRamOrenofDukeUniversityledthestudyontreegrowth.Hesaysthatearlierestimatesontheabilityofforeststoabsorbcarbondioxidewereoverlyhopeful.SomescientistsnotinvolvedinthestudiessaytheresearchprovidessomeofthefirstevidenceonhowtreesreacttocarbondioxidE.Otherscientistssaytheresearchdisputes对质疑abeliefamongsomecoalandpowercompanies.Thecompaniessaythatrisinglevelsofcarbondioxideintheatmospherewillnotcreateharmfulglobalwarming.Insteadtheysayitwillincreaseforestsandotherplants.56.WhatisthepurposeofthispassageA.IntroducesomenewopinionsabouttherelationshipbetweentreesandcarbondioxidE.B.Introducerecentconditionofglobalindustrialpollution.C.Callonpeopletoplantmoretreestoreducegreenhousegases.D.PointoutthatpowercompaniesshouldberesponsiblefortherisinglevelsofcarbondioxidE.57.WhydidtheresearchersdotheTWOstudies?A.Toprovethattreesmaynotbeashelpfulinreducingcarbondioxideashadbeenthought.B.Togetmoreoxygenfromthesetrees.C.ToevaluatethemaximumcarbondioxidethetreescanabsorbD.Toseethegrowthrateofthesetrees.58.WhathappenedtotheleavesfallingfromthetreesinthesecondstudyA.Theybrokedownandthemainpartsturnedintooxygen.B.TheybrokedownandthecarboncontenthadmainlyturnedintocarbondioxidE.C.Theybrokedownandthecarbondioxidecontentwasmainlyabsorbedinthesoil.D.TheyabsorbedmorecarbondioxidE.59.Theworditinthelastparagraphprobablyrefersto.A.carbondioxideB.nitrogenC.atmosphereD.coal
Manyanimalandplantspecieshavebecomeextinct灭绝的andmanymoreareincriticaldanger.Findingwaystoprotecttheearth'swildlifeandconserve保护thenaturalworldtheyinhabit居住isnowmoreimportantthanever.DodoTheDodoisaclassicexampleofhowhumancauseddamagetotheearth'sbiology.TheflightlessDodowasnativetotheIslandofMauritiusintheIndianOcean.Itlivedofffruitfallenfromtheisland'streesandlivedunthreateneduntilhumansarrivedin1505.Theeasilycontrolledbirdbecameasourceoffoodforsailorsandwasattackedbyanimalsintroducedtotheislandbyhumanssuchaspigsmonkeysandrats.ThepopulationofDodosrapidlydecreasedandlastonewaskilledin1681.RhinosTheRhino犀牛hornisahighlypriceditemforAsianmedicinE.Thishasledtotheanimalbeinghuntedinitsnaturalhabitat.OncewidespreadinAfricaandEurasiamostrhinosnowliveinprotectednaturalparksandreserves保护区.Theirnumbershaverapidlydecreasedinthelast50yearsandtheanimalsremainunderconstantthreatfrompoachers偷猎者.TheGiantPandaThefutureoftheWorldWildlifeFund'ssymbolisfarfromcertain.Asfewas1000remaininthewild.TheChinesegovernmenthassetup33pandareservestoprotectthesebeautifulanimalsandmadepoachingthempunishablewith20yearsinprison.HoweverThepanda'sdistinctblackandwhitepatchedcoatfetchesahighpriceontheblackmarketanddeterminedpoachersstillpose造成oneofthemostseriousthreatstotheanimalscontinuedexistencE.WhalesTheInternationalWhalingCommissionisfightingtoensurethesurvivalofthewhalespecies.Despitethefactthatone-thirdtheworld'soceanshavebeendeclaredwhalesanctuaries保护区7outof13whalespeciesremainendangered.Huntedfortheirrichsupplyofoiltheirnumbershavedecreasedtojust300.Collisions碰撞withshipspoisonouspollutionandbeingcaughtinfishingnetsareothermajorcausesofwhaledeaths.TigersThelast100yearshasseena95%reductioninthenumbersofremainingtigerstobetween5000and7000andtheBaliJavanandCaspiantigersarealreadyextinct.TheSouthChinatigerisprecariouslyclosetodisappearingwithonly20to30stillalivE.LiketheRhinohorntigers’bonesandorgansaresoughtafterfortraditionalChinesemedicines.Theseitemsaretradedillegallyalongwithtigerskins.56.Itimpliesthat_______.A.TheDodolackedtheabilitytoprotectitselffromotheranimalsB.SailorstotheIslandofMauritiuslivedmainlyontheDodoC.TheDodousedtobeastronganimalthatlikedfightingD.TheDodopigsmonkeysandratswerethenativestotheIslandofMauritius57.Whichgroupofthefollowinganimalshasalreadyceasedtoexistaccordingtothetext?A.TheDodoRhinoandGiantPanda.B.TheRhinoWhaleandSouthChinaTiger.C.TheRhinoPandaWhaleandTiger.D.TheDodoandtheBaliJavanandCaspiantigers.58.______canserveasacureforcertaindiseases.A.Thewhale’srichoilB.Thepanda'sblackandwhitepatchedcoatC.TheRhinohornandtigers’bonesandorgansD.TheDodo’sdeliciousmeat59.WhichofthefollowingstatementsisNOTtrue?A.ThenumberofSouthChinatigershasreachedcrisispoint.B.Manyanimalsarethreatenedwithextinctionasaresultofhumanactivity.C.Peoplehuntfortheendangeredanimalsforhighprofit.D.TheWhaleistherepresentingmarkfortheWorldWildlifeFund.60.Whatisthebesttitleforthepassage?A.Whatcausedtheanimalstogoextinct?B.AnimalConservationC.ExtinctAnimalsD.EndangeredAnimals
根据短文内容从短文后的选项中选出能填入空白处的最佳选项选项中有两项为多余选项TheInternethasopenedupawholenewonlineworldforustomeetchatandgowherewe’veneverbeenbeforE.ButjustasinfacetofacecommunicationtherearesomerulesofbehaviorthatshouldbefollowedwhenonlinE.51Imaginehowyou’dfeelifyouwereintheotherperson’sshoes.Foranythingyou’reabouttosend:askyourselfWouldIsaythistotheperson’sface?iftheanswerisnorewriteandrereaD.52Ifsomeoneinthechatroomisrudetoyouyourinstinct本能istofirebackinthesamemanner.Buttrynottodoso.53Ifitwascausedbyadisagreementwithanothermembertrytofixthesituationbypolitelydiscussingit.Remembertorespectthebeliefsandopinionsofothersinthechatroom.54OfferadvicewhenaskedbynewcomersastheymaynotbesurewhattodoorhowtocommunicatE.Whensomeonemakesamistakewhetherit’sastupidquestionoranunnecessarilylonganswerbekindaboutit.Ifit’sasmallmistakeyoumaynotneedtosayanything.Evenifyoufeelstronglyaboutitthinktwicebeforesayinganything.Havinggoodmannersyourselfdoesn’tgiveyoulicensetocorrecteveryoneelsE.55AtthesametimeifyoufindyouarewrongbesuretocorrectyourselfandapologizetothosethatyouhaveoffendeD.Itisnotpolitetoaskotherspersonalquestionssuchastheiragesexandmaritalstatus.Unlessyouknowthepersonverywellandyouarebothcomfortablewithsharingpersonalinformationdon’tasksuchquestions.A.It’snaturalthattheresomepeoplewhospeakrudelyormakemistakesonlinE.B.Repeattheprocesstillyoufeelsurethatyou’dfeelcomfortablesayingthewordstotheperson’sfacE.C.EveryonewasnewtothenetworkoncE.D.Thebasicruleissimple:treatothersinthesamewayyouwouldwanttobetreateD.E.Whenyousendshortmessagestoapersononlineyoumustsaysomethingbeautifultohear.F.Youshouldeitherignorethepersonoruseyourchatsoftwaretoblocktheirmessages.G.Ifyoudodecidetotellsomeoneaboutamistakepointitoutpolitely.
Before1900manytheoriesexistedastothecauseofyellowfever黄热病.Somedoctorsweresurethediseasewasair-borne;othersfeltthatitwasspreadfrompersontoperson.Dr.CarlosFinlayawell-knownCubandoctorofthattimehadlongheldthetheorythatitwascausedbythebiteofmosquitoes.ButneitherthepublicnorthedoctorsthenacceptedhisideA.WalterReedallAmericandoctorsenttostudyyellowfeverinCubawenttotalkwithFinlay.ReedafterreadingalotonthesubjecthadbeguntothinkthatDr.Finlaymightbefight.ThenReedandhiscomradessettoworkatonce.OutsideHavanatheysetupalaboratoryandbeganexperimentstotestthetheory.Theexperimentsweresuccessful.NowweknowAperiodofabouttwoweeksmustpassbeforeamosquitoafterfeedingonasickpersoncouldinfect传染anotherperson.Thesickpersonhadtohaveyellowfeveracertainnumberofdaysbeforethemosquitobitinghimwasabletocarrythedisease.40.Before1900manypeopledidn’tthinkyellowfeverwasspread_______.A.byairB.bydirtywaterC.bythebiteofcertainmosquitoesD.bygettingintouchwiththepatient41.Whofirstrealizedtheactualcause?A.Thepublic.B.Finlay.C.Reed.42.Reedprovedthetheory_______.A.inhisAmericanlabB.bytalkingwithFinlayC.inakindofscientificWayD.byreadingalotofarticles43.Onewillcomedownwithyellowfeverifhehasbeenbittenby_______.A.amosquitoB.aninfectedmosquitoC.amosquitothathasbittenthepatientD.amosquitothathasbittenthepatientforsomedays44.Whatisthepossibletitleforthepassage?A.FightingagainstyellowfeverB.AdoctoragainstyellowfeverC.TheactualcauseofyellowfeverD.Severaltheoriesonyellowfever
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