有10个站连接到以太网上。若10个站都连接到一个10Mbit/s以太网集线器上.则每个站能得到的带宽为();若10个站都连接到一个10Mbit/s以太网交换机上.则每个站得到的带宽为
A、10个站共享10Mbit/s每个站独占10Mbit/sA
暂无解析
Thetouristtradeisbooming.Withallthiscomingandgoing,you'dexpectgreaterunderstandingodevelopbetweenthenationsoftheworld.Notabitofit!Superbsystemsofcommunicationbyair,seaandlandmakeitpossibleforustovisiteachother'scountriesatamoderatecost.Whatwasoncethe'grandtour',reservedforonlytheveryrich,isnowwithineverybody'sgrasp?
Thepackagetourandcharteredflightsarenottobesneeredat.Moderntravelersenjoyalevelofcomfortwhichthelordsandladiesongrandtoursintheolddayscouldn'thavedreamedof.Butwhat'sthesenseofthismassexchangeofpopulationsifthenationsoftheworldremainbasicallyignorantofeachother?
Manytouristorganizationsaredirectlyresponsibleforthisstateofaffairs.Theydeliberatelysetouttoprotecttheirclientsfromtoomuchcontactwiththelocalpopulation.Themoderntouristleadsacosseted,shelteredlife.Helivesatinternationalhotels,whereheeatshisinternationalfoodandsipshisinternationaldrinkwhilehegazesatthenativesfromadistance.Conductedtourstoplacesofinterestarecarefullycensored.Thetouristisallowedtoseeonlywhattheorganizerswanthimtoseeandnomore.Astrictschedulemakesitimpossibleforthetouristtowanderoffonhisown;andanyway,languageisalwaysabarrier,soheisonlytoohappytobeprotectedinthisway.Atitsveryworst,thisleadstoanewandhideouskindofcolonization.
Thesummerquartersoftheinhabitantsoftheciteuniversitaire:aretemporarilyreestablishedontheislandofCorfu.BlackpoolisrecreatedatTorremolinoswherethetravelergoesnottoeatpaella,butfishandchips.Thesadthingaboutthissituationisthatitleadstothepersistenceofnationalstereotypes.Wedon'tseethepeopleofothernationsastheyreallyare,butaswehavebeenbroughtuptobelievetheyare.Youcantestthisforyourself.Takefivenationalities,say,French,German,English,AmericanandItalian.Nowinyourmind,matchthemwiththesefiveadjectives:musical,amorous,cold,pedantic,native.Farfromprovidinguswithanyinsightintothenationalcharacteristicsofthepeoplesjustmentioned,theseadjectivesactuallyactasbarriers.Sowhenyousetoutonyourtravels,theonlycharacteristicsyounoticearethosewhichconfirmyourpreconceptions.Youcomeawaywiththehighlyunoriginalandinaccurateimpressionthat,say,'Anglo-Saxonsarehypocrites'ofthat'Latinpeoplesshoutalot'.Youonlyhavetomakeafewforeignfriendstounderstandhowabsurdandharmfulnationalstereotypesare.Buthowcanyoumakeforeignfriendswhenthetouristtradedoesitsbesttopreventyou?Carriedtoanextreme,stereotypescanbepositivelydangerous.Wildgeneralizationsstirupracialhatredandblindustothebasicfact〞howtriteitsounds!每Thatallpeoplearehuman.Weareallsimilartoeachotherandatthesametimeallunique.
1.Thebesttitleforthispassageis
[A]Tourismcontributesnothingtoincreasingunderstandingbetweennations.
[B]Tourismistiresome.
[C]Conductedtourisdull.
[D]Tourismreallydoessomethingtoone'scountry.
2.Whatistheauthor'sattitudetowardtourism?
[A]apprehensive.[B]negative.[C]critical.[D]appreciative.
3.WhichwordinthefollowingisthebesttosummarizeLatinpeopleshoutalot?
[A]silent.[B]noisy.[C]lively.[D]active.
4.Thepurposeoftheauthor'scriticismistopointout
[A]conductedtourisdisappointing.
[B]thewayoftouringshouldbechanged.
[C]whentraveling,younoticecharacteristicswhichconfirmpreconception.
[D]nationalstereotypesshouldbechanged.
5.Whatis'grandtour'now?
[A]moderatecost.
[B]localsight-seeingisinvestigatedbythetouristorganization.
[C]peopleenjoythefirst-ratecomforts.
[D]everybodycanenjoythe'grandtour'
Thepresentsituationforcedusto____thispolicy.
Ithappenedinfrontofafruitandvegetable____inmyneighborhood.
Idon’tknow______ashow.Canyoutellme?
Perhapsthecustomerhas____hismonthlystatementandnotpaidthebill.