高三下学期英语限时练5

高三英语限时练（5）限时：40分钟阅读理解AClimatechangeleadstothreattotheworld’ssandybeaches,andasmanyashalfofthemcoulddisappearby2100,anewstudyhasfound.Evenby2050somecoastlinescouldbeunrecognizablefromwhatweseetoday,with10%to12%facingseriouserosion(侵蚀).Usingupdatedsealevelrisepredictions,theresearchersanalyzedhowbeachesaroundtheworldwouldbeinafuturewithhigherseasandmoredamagingstorms.Theyalsoconsiderednaturalprocesseslikewaveerosion,aswellashumanfactors—likecoastalbuildingdevelopments,allofwhichcanaffectabeach’shealth.Thestudyfoundthatsealevelriseisexpectedtooutweightheseotherfactors,andthatthemoreheat-trappinggaseshumanputintotheatmosphere,theworsetheinfluencesontheworld’sbeachesarelikelytobe.It’shardtooverstatejusthowimportanttheworld’sbeachesare.Theycovermorethanonethirdoftheworld’scoastlines,andprotectcoastalareasfromstorms.Beachesarealsoimportanteconomicengines,supportingrelaxation,tourismandotheractivities.Andinsomeareas,thebeachismorethanavacationdestination.InplaceslikeAustralia,lifenearthecoastrevolves(围绕)aroundthebeachformuchoftheyear.Someoftheworld’smostpopularbeachesarealreadytakingaction.PlaceslikeMiamiBeacharetruckinginthousandsoftonsofsandtopatchup(修复)badlyerodedshorelines,whileothershavebuiltseawallsandbreakwatersinanattempttoholdprecioussandinplace.Butthefinancialandenvironmentalcostsoftheseprojectsarehuge,andscientistssayrisingseasandmorepowerfulstorms,aswellasawarmerclimate,maymakethisalosingbattle.However,theresearchersdidfindthathumanshavesomecontroloverwhathappenstotheworld’sbeaches.Iftheworld’sgovernmentsareabletocontinuecuttingheat-trappinggaspollution,theresearchersfoundthat22%ofprojectedbeachlossesby2050couldbeprevented,anumberthatgrowsto40%by2100ifgreenhousegasesarelimited.1.Whichofthefollowingmainlycausesseriousbeacherosion?A.Higherseas. B.Humanfactors. C.Damagingstorms. D.Waveerosion.2.WhatcanweinferfromParagraph3?A.Stormsdamageonethirdofworld’scoastlines.B.Significanceofbeachescan’tbeunderestimated.C.Economicactivitiesmaycausedamagetobeaches.D.BeachesaretheonlyeconomicengineforAustralia.3.Howdoresearchersthinkoftheactionstakentoprotectbeaches?A.Costlybutfailed. B.Enormousbutnotconstant.C.Orderlybutslow. D.Effectivebutnotenough.4.Whatisthetextmainlyabout?A.Actionshavebeentakentoprotectbeaches.B.Beachesarefacingthethreatofdisappearing.C.Lifeincoastalareasmainlydependsonbeaches.D.Thereexistchallengestoprotecterodedbeaches.BInthevillagesoftheEnglishcountryside,therearestillpeoplewhorememberthegoodolddayswhennoonebotheredtolocktheirdoors.Theresimplywasn’tanycrimetoworryabout.Amazingly,thesehappytimesappearstilltobewithusintheworld’sbiggestcommunity.AnewstudybyDanFarmer,agiftedprogrammer,usinganautomatedinvestigativeprogramofhisowncalledSATAN,showsthattheownersofwelloverhalfofallWorldWideWebsiteshavesetuphomewithoutfittinglockstotheirdoors.SATANcantryoutavarietyofwell-knownhackingtricksonanInternetsitewithoutactuallybreakingin.Farmerhasmadeprogrampubliclyavailable,amongmuchcriticism.Apersonwithevilintentcoulduseittohuntdownsitesthatareeasytostealin.ButFarmerisveryconcernedabouttheneedtoalertthepublictopoorsecurityand,sofar,eventshaveprovedhimright.SATANhasdonemoretoalertpeopletotherisksthancausenewdisorder.SoistheNetbecomingmoresecure?Farfromit.Intheearlydays,whenyouvisitedaWebsite,yourbrowsersimplylookedatthecontent.NowthewebisfulloftinyprogramsthatautomaticallydownloadwhenyoulookataWebpage,andrunonyourownmachine.Theseprogramscould,iftheirauthorswished,doallkindsofnastythingstoyourcomputer.Butlet’slookonthebrightside.Giventhelackoflocks,theInternetissurelytheworld’sbiggest(almost)crime-freesociety.Maybethatisbecausehackersarefundamentallyhonest.Orthattherecurrentlyisn’tmuchtosteal.Orbecausevandalism(蓄意破坏)isn’tmuchfununlessyouhaveaspecialdislikeforsomeone.Whateverthereason,let’senjoyitwhilewecan.Butexpectitalltochange,andsecuritytobecomethenumberoneissue,whenthemostinfluentialinhabitantsoftheNetaresellingservicestheywanttobepaidfor.5.Whatdocstheunderlinedsentenceinparagraph2mean?A.ManyInternetsitesarenotwellprotected.B.Thosehappytimesappearstilltobewithus.C.Theresimplywasn’tanycrimetoworryabout.D.Hackersdon’tactuallybreakintoanInternetsite.6.WhatcanSATANbeusedtodo?A.Topreventhackersbreakingintowebsites.B.ToinvestigatethesecurityofInternetsites.C.ToimprovethesecurityoftheInternetsystem.D.Todownloadusefulprogramsandinformation.7.What’stheauthor’sattitudetoSATAN?A.Favorable B.Indifferent C.Cautious D.Doubtful8.What’sthepurposeofthepassage?A.TopromoteandselltheSATANprogram.B.ToadvocatepeoplefleeingfromtheInternet.C.TomakenetizensawareofthesecurityoftheInternet.D.ToinformnetizensthattheInternetissafewithSATAN.第二节（共5小题；每小题2.5分，满分12.5分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。EvaluatingSourcesofHealthInformationMakinggoodchoicesaboutyourownhealthrequiresreasonableevaluation.Akeyfirststepinbetteringyourevaluationabilityistolookcarefullyatyoursourcesofhealthinformation.1.Besides,howtoseparatefactfromopinion,howtorecognizepoorreasoning,andhowtoanalyzeinformationandthereliabilityofsourcesareofgreatimportance.Thefollowingsuggestionscanhelpyousortthroughthehealthinformationyoureceivefromcommonsources.Gototheoriginalsource.2.Findoutforyourselfwhatastudyreallyreported,anddeterminewhetheritwasbasedongoodscience.Thinkaboutthetypeofstudy.Andexaminethefindingsoftheoriginalresearch.Watchformisleadinglanguage.Somestudieswillfindthatabehavior“contributesto”oris“associatedwith”anoutcome;thisdoesnotmeanthatacertaincoursemustleadtoacertainresult.Beawarethatinformationmayalsobeincorrectlyexplainedbyanauthor’spointofview.3.Useyourcommonsense.Ifareportseemstoogoodtobetrue,probablyitis.4.Thegoalofanadistosellyousomething.Evaluate“scientific”statementscarefully,andbeawareofquackery(江湖骗术).5.Friendsandfamilymemberscanbeagreatsourceofideasandinspiration,buteachofusneedstofindahealthylifestylethatworksforus.Developingtheabilitytoevaluatereasonablyandindependentlyabouthealthproblemswillserveyouwellthroughoutyourlife.A.It’srightforyoutomakechoices.B.Makechoicesthatarerightforyou.C.Mediareportsoftensimplifytheresultsofmedicalresearch.D.Beespeciallycarefulofinformationcontainedinadvertisements.E.Carefullyreadorlistentoinformationinordertofullyunderstandit.F.Reasonableevaluationincludesknowingwhereandhowtofindrelevantinformation.G.Reasonableevaluationcandistinguishbetweenresearchreportsandpublichealthadvice.第三部分：语言运用（共两节，满分30分）第一节（共15小题；每小题1分，满分15分）阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。“Ladiesandgentlemen,thetimetrainhasarrivedattheterminal!”ItfeltlikeIhadwokenupfromadream,1soondiscoveredIhadcometo2035.Suddenly,Iheardastrangevoicecallingmyname.Iturnedaround,onlytofindarobot2tomeenthusiastically.“I’llshowyouaroundthecityin2035!”Inoddedimmediately,3whatthecitywouldbelike.OnceIwalkedoutofthetrainstation,manycrossedairlanescameintoview.Therobot,seeinghow4Iwas,explainedthenewtrafficsystemtome.Thesystemwasputintoplacebymanyfamousengineersusinghighly5technology.Infact,iteliminated(消除)theissueoftrafficjamsentirely.Nextwemadeourwaytoarestaurantnearby,JustasI6thattherewasnomenu,awaiterbegantoscanmybodywithaspecial7,whichgavemeabigfright,soI8outofmyseatimmediately.Therobotexplaineditwasjustamachinethatwasabletofigureoutwhatourbodyneededandchosetherecipethat9usmost.Thewaiterthenintroducedmetotheelectronicscreenthatallowedmetochoosetheenvironmentaccordingtomy10.Ipressedthe“beach”buttononthescreenand11Ifeltaseabreeze.Icouldn’thelpbut12athowrapidlytechnologyhadadvanced.We13returnedtothetrainstation.JustasI14thetrain,Iheardafamiliarvoicecallingmyname.Iopenedmyeyestoseemymomstandingoverme.Whata15dream!1.A.while B.so C.if D.but2.A.singing B.waving C.screaming D.flying3.A.getting B.knowing C.wondering D.wandering4.A.astonished B.scared C.bored D.moved5.A.standard B.useless C.unusual D.advanced6.A.told B.realized C.heard D.reminded7.A.instrument B.button C.engine D.accelerator8.A.took B.left C.jumped D.danced9.A.attracted B.suited C.provided D.offered10.A.temperature B.taste C.gene D.place11.A.suddenly B.sadly C.absolutely D.casually12.A.aim B.guess C.sigh D.stare13.A.immediately B.hardly C.occasionally D.eventually14.A.putoff B.broughtin C.goton D.lookedinto15.A.terrible B.practical C.awful D.fantastic第二节（共10小题；每小题1.5分，满分15分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。When1.__________(ask)totalkaboutairandwaterqualityinhishometownbyaTVreporter,QiMunoted,“Theairisgreatnowandwecantakemore2.__________(walk)andenjoybeingoutdoorsagain.”Hefeltquitepleasedbecausethevillagerswereliving3.__________(harmony)withnatureoncemore.However,hecouldnotforgetaboutanearliertime4.__________hisvillagehadbeenstrugglingwitha