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下列属于个人防火墙缺点的是()。

A、不能抵挡内部攻击
B、不能为用户隐蔽IP地址
C、不能抵挡外来攻击
D、不能保护网络系统
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正确答案:

D

答案解析:

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Itisnotuncommonforthere_____problemsofcommunicationbetweentheoldandtheyoung.

RogerRosenblatt’sbookBlackFiction,inattemptingtoapplyliteraryratherthansociopoliticalcriteriatoitssubject,successfullyalterstheapproachtakenbymostpreviousstudies.AsRosenblattnotes,criticismofBlackwritinghasoftenservedasapretextforexpoundingonBlackhistory.AddisonGayle’srecentwork,forexample,judgesthevalueofBlackfictionbyovertlypoliticalstandards,ratingeachworkaccordingtothenotionsofBlackidentitywhichitpropounds.Althoughfictionassuredlyspringsfrompoliticalcircumstances,itsauthorsreacttothosecircumstancesinwaysotherthanideological,andtalkingaboutnovelsandstoriesprimarilyasinstrumentsofideologycircumventsmuchofthefictionalenterprise.Rosenblatt’sliteraryanalysisdisclosesaffinitiesandconnectionsamongworksofBlackfictionwhichsolelypoliticalstudieshaveoverlookedorignored.WritingacceptablecriticismofBlackfiction,however,presupposesgivingsatisfactoryanswerstoanumberofquestions.Firstofall,isthereasufficientreason,otherthanthefacialidentityoftheauthors,togrouptogetherworksbyBlackauthorsSecond,howdoesBlackfictionmakeitselfdistinctfromothermodernfictionwithwhichitislargelycontemporaneousRosenblattshowsthatBlackfictionconstitutesadistinctbodyofwritingthathasanidentifiable,coherentliterarytradition.LookingatnovelswrittenbyBlackoverthelasteightyyears,hediscoversrecurringconcernsanddesignsindependentofchronology.Thesestructuresarethematic,andtheyspring,notsurprisingly,fromthecentralfactthattheBlackcharactersinthesenovelsexistinapredominantlywhiteculture,whethertheytrytoconformtothatcultureorrebelagainstit.BlackFictiondoesleavesomeaestheticquestionsopen.Rosenblatt’sthematicanalysispermitsconsiderableobjectivity;heevenexplicitlystatesthatitisnothisintentiontojudgethemeritofthevariousworksDyethisreluctanceseemsmisplaced,especiallysinceanattempttoappraisemighthaveledtointerestingresults.Forinstance,someofthenovelsappeartobestructurallydiffuse.Isthisadefect,oraretheauthorsworkingoutof,ortryingtoforge,adifferentkindofaestheticInaddition,thestyleofsomeBlacknovels,likeJeanToomey’sCane,vergesonexpressionismorsurrealism;doesthistechniqueprovideacounterpointtotheprevalentthemethatportraysthefateagainstwhichBlackheroesarepitted,athemeusuallyconveyedbymorenaturalisticmodesofexpressionInspiteofsuchomissions,whatRosenblattdoesincludeinhisdiscussionmakesforanastuteandworthwhilestudy.BlackFictionsurveysawidevarietyofnovels,bringingtoourattentionintheprocesssomefascinatingandlittle-knownworkslikeJamesWeldonJohnson’sAutobiographyofanEx-ColoredMan.Itsargumentistightlyconstructed,anditsforthright,lucidstyleexemplifieslevelheadedandpenetratingcriticism.

1.Theauthorofthetextisprimarilyconcernedwith__________.

[A]Evaluatingthesoundnessofaworkofcriticism.[B]Comparingvariouscriticalapproachestoasubject.

[C]Discussingthelimitationsofaparticularkindofcriticism.

[D]Summarizingthemajorpointsmadeinaworkofcriticism.

2.TheauthorofthetextbelievesthatBlackFictionwouldhavebeenimprovedhadRosenblatt__________.

[A]EvaluatedmorecarefullytheideologicalandhistoricalaspectsofBlackfiction.

[B]AttemptedtobemoreobjectiveinhisapproachtonovelsandstoriesbyBlackauthors.

[C]ExploreingreaterdetailtherecurrentthematicconcernsofBlackfictionthroughoutitshistory.

[D]Assessedtherelativeliterarymeritofthenovelsheanalyzesthematically.

3.author’sdiscussionofBlackFictioncanbebestdescribedas__________.

[A]Pedanticandcontentious.

[B]Criticalbutadmiring.

[C]Ironicanddeprecating.

[D]Argumentativebutunfocused.authorofthetextemploysallofthefollowinginthediscussionofRosenblatt’s

4.bookEXCEPT:__________.

[A]Rhetoricalquestions.

[B]Specificexamples.

[C]Comparisonandcontrast.

[D]Definitionofterms.

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[B]Clarifythepointaboutexpressionisticstylemadeearlierinthepassage.

[C]QualifytheassessmentofRosenblatt’sbookmadeinthefirstparagraphofthepassage.

[D]giveaspecificexampleofoneoftheaccomplishmentsofRosenblatt’swork.

WhenthepoliceofficerswhotookpartintheKingbeatingwerefirstbroughtto___________,theirlawyersusedthevideotapeasevidenceagainsttheprosecution.

WhenIgotoutofthecarandwalkedaboutamongthem,____oneoldmanwhoshookhisheaddisapprovingly,theyallbegantocheer.

Whatdoesthefutureholdfortheproblemofhousing?Agooddealdepends,ofcourse,onthemeaningof“future”.Ifoneisthinkingintermsofsciencefictionandthespaceage,itisatleastpossibletoassumethatmanwillhavesolvedsuchtrivialandearthlyproblemsashousing.Writersofsciencefiction,fromH.G.Wellsonwards,havehadlittletosayonthesubject.Theyhaveconveyedthesuggestionthatmenwillliveingreatcomfort,witheveryconceivableapparatustomakelifesmooth,healthyandeasy,ifnothappy.Buttheyhavenotsaidwhathishousewillbemadeof.Perhapssomenewbuildingmaterial,asyetunimagined,willhavebeendiscoveredorinventedatleast.Onemaybecertainthatbricksandmortar(泥灰,灰浆)willlonghavegoneoutoffashion.

Buttheproblemsofthenextgenerationortwocanmorereadilybeimagined.Scientistshavealreadypointedoutthatunlesssomethingisdoneeithertorestricttheworld’srapidgrowthinpopulationortodiscoveranddevelopnewsourcesoffood(orboth),millionsofpeoplewillbedyingofstarvationoratthebestsufferingfromunderfeedingbeforethiscenturyisout.Butnobodyhasyetworkedoutanyplanforhousingthesegrowingpopulations.Admittedlytheworstsituationswilloccurinthehottestpartsoftheworld,wherehousingcanbelightstructureorinbackwardareaswherestandardsaretraditionallylow.Buteventheminimumshelterrequiresmaterialsofsomekindandintheteeming,bulgingtownsthelow-standard“housing”offlattenedpetrolcansanddirtycanvasisfarmorewastefulofgroundspacethancanbetolerated.

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A.Theymaybecompletelysolvedatsometimeinthefuture.

B.Theyareunimportantandeasilydealtwith.

C.Theywillnotbesolveduntilanewbuildingmaterialhasbeendiscovered.

D.Theyhavebeendealtwithinspecificdetailinbooksdescribingthefuture.

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B.anewbuildingmaterialwillhavebeeninvented.

C.bricksandmortarwillnotbeusedbypeoplewhowanttheirhousetobefashionable.

D.anewwayofusingbricksandmortarwillhavebeendiscovered.

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