基于公开秘钥体制(PKI)的数字证书是电子商务安全体系的核心。

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PARTVREADINGCOMPREHENSION

PASSAGEONE

(1)TheearliestsettlerscametotheNorthAmericancontinenttoestablishcoloniesthatwerefreefromthecontrolsthatexistedinEuropeansocieties.Theywantedtoescapethecontrolsplacedontheirlivesbykingsandgovernments,priestsandchurches,noblemenandaristocrats.ThehistoricdecisionsmadebythosefirstsettlershavehadaprofoundeffectontheshapingoftheAmerican

character.Bylimitingthepowerofthegovernmentandthechurchesandeliminatingaformalaristocracy,theycreatedaclimateoffreedomwheretheemphasiswasontheindividual.IndividualfreedomisprobablythemostbasicofalltheAmericanvalues.Byfreedom,Americansmeanthedesireandtheabilityofallindividualstocontroltheirowndestinywithoutoutsideinterferencefromthegovernment,arulingnobleclass,thechurch,oranyotherorganizedauthority.

(2)Thereis,however,apricetobepaidforthisindividualfreedom:self-reliance.ItmeansthatAmericansbelievetheyshouldstandontheirownfeet,achievingbothfinancialandemotionalindependencefromtheirparentsasearlyaspossible,usuallybyage18or21.

(3)AsecondimportantreasonwhyimmigrantshavetraditionallybeendrawntotheUnitedStatesisthebeliefthateveryonehasaequalchancetoenteraraceandsucceedinthegame.BecausetitlesofnobilitywereforbiddenintheConstitution,noformalclasssystemdevelopedintheU.S.

(4)Thereis,however,apricetobepaidforthisequalityofopportunity:competition.Ifmuchoflifeisseenasrace,thenapersonmustruntheraceinordertosucceed;apersonmustcompetewithothers.ThepressuresofcompetitioninthelifeofanAmericanbegininchildhoodandcontinueuntilretirementfromwork.Infact,anygroupofpeoplewhodoesnotcompetesuccessfullydoesnotfit

intothemainstreamofAmericanlifeaswellasthosewhodo.

(5)AthirdreasonwhyimmigrantshavetraditionallycometotheUnitedStatesistohaveabetterlife.Becauseofitsabundantnaturalresources,theUnitedStatesappearedtobea“landofplentywheremillionscouldcometoseektheirfortunes.Thephrase“goingfromragstoriches”becameasloganfortheAmericandream.Manypeopledidachievematerialsuccess.MaterialwealthbecameavaluetotheAmericanpeople,anditalsobecameanacceptedmeasureofsocialstatus.

(6)Americanspayaprice,however,fortheirmaterialwealth:hardwork.HardworkhasbeenbothnecessaryandrewardingformostAmericansthroughouttheirhistory.Insomeways,materialpossessionsareseenasevidenceofpeople’sabilities.BarryGoldwater,acandidateforthepresidencyin1964,saidthatmostpoorpeoplearepoorbecausetheydeservetobe.MostAmericanswouldfind

thisaharshstatement,butmanymightthinktherewassometruthinit.

(7)ThesebasicvaluesdonottellthewholestoryoftheAmericancharacter.Rather,theyshouldbethoughtofasthemes,aswecontinuetoexploremorefacetsoftheAmericancharacterandhowitaffectslifeintheUnitedStates.

1.Para.4seemstosuggestthat__________.

A.Americansarebornwithasenseofcompetition

B.thepressureofcompetitionbeginswhenonestartswork

C.successfulcompetitionisessentialinAmericansociety

D.competitionresultsinequalityofopportunities

2.WhichofthefollowingmethodsdoestheauthormainlyuseinexplainingAmericanvalues?

A.Comparison

D.Causeandeffect

C.Definition

D.Processanalysis

翻译:

中华民族的传统文化博大精深、源远流长。早在2000多年前,就产生了儒家学说和道家学说,以及其他很多在中国思想史上有地位的学说流派,这就是有名的“诸子百家”。从孔夫子到孙中山,中华民族传统文化有它的很多珍贵品质。比如“天下兴亡,匹夫有责”的爱国情操,“民为邦本”、“民贵君轻”的民本思想和“己所不欲,勿施于人”的行为准则。

翻译:

Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage.(PassageOne)

_____himtomorrow.

A、Whynottocallon
B、Whydon'tcallon
C、Whynottocallingon
D、Whynotcallon

Evenifhisletter()tomorrow,it()toolatetodoanything.

A、willarrive,,is
B、shouldarrive,,were
C、arrives,,willbe
D、arrives,,wouldbe
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