- 阅读理解A
题干：AtanofficeinHampton,Virginia,intheeastoftheUnitedStates,ateamoftennetsavvyworkersscoursthewebforsexualcontent,frombasicsexeducationtosexacts.This“qualityassurance”teamismakingsurethattheblockingcomponentofSymantec’sNortonInternetSecurity2000computerprogramremainseffective.Thisisbecausethereiswidespreadparentalconcernaboutblockingwebsiteswithsexualcontentfromchildren.Websiteblockingisnothingnew—serviceslikeNetNannyandprogramslikeCyberPatrolandGuardDoghavebeenaroundforafewyearsnow,protectingchildrenandreassuringparentsthatonlywholesomewebsitesareaccessedbytheyoungsters.NetNannyandCyberPatrolwillpreventaccesstoanyquestionablesiteswhentheprogramisinplace.NowSymantecsaysithascreatedanewcategoryinconsumersoftwarewithapackagethatcombineswebsiteblockingwitha“firewall”,protectingyourcomputerfromhackersandviruses,aswellaspreventingcarelessdisclosureofpersonaldata.Inshort,NortonInternetSecurity,astheprogramiscalled,isdesignedtoserveastheguardianofyourdigitalhealth,keepingthebadthingsoutandtheprivatethingsin.TheSymantecprogramcanbeconfiguredinmanyways:thewebsiteblocking,forexample,canbesettobeeitherselectivelypermissiveortotalinitsbanningofwebsites,orswitchedoffentirely.Also,Symantec’slistofno-goareas,whichontheCDnowstandataround36,000addressed,isnotconfinedtosexsites.TheteaminVirginiaisalsoonthelookoutforsitesadvocatingdrugs,orwhichcontainreferencestoviolenceorgambling,andkeepsawatchonchatrooms,emailservices,entertainmentportals—evenjobsearchandfinancialpages.Thesesitescanbeblockedbytheprogram.ComputeruserscanalsorefreshtheaddresslistonlinewiththeLiveupdatefeaturewhichisusedbyNortonAnti-Virus(whichisbundledwithNIS)toloadthelatestvirusdefinitions.Thisserviceisfreeforthefirstyearbut,includingvirusdefinitionupdates;itcosts$19.95ayearthereafter.Thesystemisnotperfect,however.Limitedtestingfoundtheblockingofsome“questionable”siteswasnotcomprehensive.Tryingtogetaccesstoawell-knownUSsitesuchasPlayboyresultsinanimmediateblockingmessagewithastandardinvitationtoreportan“incorrectlycategorized”site.Bycontrast,youcouldfindinothercountriessuchasNewZealandasexsitewhichdeclareditselftobe“dedicatedtoprovidingsexualmaterial,imaged,andanythingalittlebitunusualforsexenthusiastsalloverthecountry.”
题目： What does the author mean by “the blocking of some ‘questionable’ site was not comprehensive” (Line 1, Last Paragraph)?（） - A 、Some websites escape from being detected
- B 、The NIS program is not effective in other countries at all
- C 、All the websites in New Zealand should be included in the list
- D 、The website Playboy should be included in the list of no-go area
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参考答案【正确答案：A】
文章最后一段前两句指出“但是这种系统并不尽善尽美。有限测试发现它对有问题的网站的封锁并不全面。”接下来，作者举例说明：比如进入美国知名的“花花公子”网站，结果就会马上出现了一个封锁信息，报告这是一个“错误分类”的网站。相反，你可以在其他国家，比如新西兰找到自称为“致力于为全球所有热情者提供性欲、性幻想及任何一点非同寻常的东西”的色情网站。可见最后一段中的例子是为了说明该段主题句（Limited testing found the blocking of some “questionable” sites was not comprehensive.）的支持性细节。从例子可以推出该主题句的意思是“一些有问题的网站没有被发现。”
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