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国家安全是我们生存和发展之本，在当今风云变幻的国际形势下如何认清国家安全形势和规律意义重大，且与每个人息息相关。（ ）
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中国及其周边不仅是世界人口最密集、大国最集中的地区，也是世界热点和潜在热点最多的地区之一。（ ）
我国与一些邻国的边界争议及海洋权益的争议情况复杂，解决起来难度很大，这些争议始终是威胁我国边境和领海安全的不稳定因素。（ ）
钓鱼岛及其附属岛屿是中国固有领土，中方维护领土主权的决心和意志坚定不移。（ ）
SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Finally,somegoodnewsaboutairplanetravel.Ifyouareonaplanewithasickpassenger,youareunlikelytogetsick.Thatisthe__26__ofanewstudythatlookedathowrespiratory(呼吸道)viruses__27__onairplanes.Researchersfoundthatonlypeoplewhowereseatedinthesamerowasapassengerwiththeflu,forexample--oronerowinfrontoforbehindthatindividual--hadahighriskofcatchingtheillness.Allotherpassengershadonlyavery__28__chanceofgettingsick,accordingtothefindings.Mediareportshavenotnecessarilypresented__29__informationabouttheriskofgettinginfectedonanairplaneinthepast.Therefore,thesenewfindingsshouldhelpairplanepassengerstofeelless__30__tocatchingrespiratoryinfectionswhiletravelingbyair.Priortothenewstudy,littlewasknownabouttherisksofgetting__31__infectedbycommonrespiratoryviruses,suchasthefluorcommoncold,onanairplane,theresearcherssaid.So,to__32__therisksofinfection,thestudyteamflewon10different__33__intheU.S.duringthefluseason.Theresearchersfoundthatpassengerssittingwithintwoseatson__34__sideofapersoninfectedwiththeflu,aswellasthosesittingonerowinfrontoforbehindthisindividual,hadaboutan80percentchanceofgettingsick.Butotherpassengerswere__35__safefrominfection.Theyhadalessthan3percentchanceofcatchingtheflu.A)accurateB)conclusionC)directlyD)eitherE)evaluateF)explorationsG)flightsH)largelyI)nearbyJ)respondK)slimL)spreadM)summitN)vividlyO)vulnerable
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