通常所说的OSI模型分为()层。

A、4
B、5
C、6
D、7
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正确答案:

D

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翻译:saletax

简述广度维度的企业应用集成包括的内容。

简述要约与要约邀请的区别。

Inwhatseemsliketheprehistorictimesofcomputerhistory;theearth’spostwarera,therewasquiteawidespreadrumorthatcomputerswouldtakeovertheworldfrommanoneday.Alreadytoday,lessthanfiftyyearslater,ascomputersarerelievingusofmoreandmoreoftheroutinetasksinbusinessandinourpersonallives,wearefacedwithalessdramaticbutnotlessforeseenproblem.Peopletendtobeover-trustingofcomputersandarereluctanttochallengetheirauthority.Indeed,theybehaveasiftheywerehardlyawarethatwrongbuttonsmaybepushed,orthatacomputermaysimplymalfunction.Obviously,therewouldbenopointininvestinginacomputerifyouhadtocheckallitsanswers,butpeopleshouldalsorelyontheirowninternalcomputersandcheckthemachinewhentheyhavethefeelingthatsomethinghasgonewrong.Questioningandroutinedouble-checksmustcontinuetobeasmuchapartofgoodbusinessastheywereinpre-computerdays.Maybeeachcomputershouldcomewiththewarning:forallthehelpthiscomputermayprovide,itshouldnotbeseenasasubstituteforfundamentalthinkingandreasoningskills.

37.Accordingtothepassage,theauthorwouldprobablydisapproveof__________.

A.investmentincomputers

B.completedependenceoncomputers

C.double-checkoncomputers

D.theuseofcomputer

38.Intheauthor’sopinion,peopleshould__________.

A.bereasonablydoubtfulaboutcomputers

B.usecomputersforbusinesspurposesonly

C.substitutecomputersforbasicthinking

D.checkalltheiranswerswhenusingcomputers

39.Whatissuggestedinthispassage?

A.Computerwon’tchangeourpersonallives.

B.Computercancreateunforeseenproblems.

C.Computerhastakencontroloftheworld.

D.Computercannotaffectourbusinesses.

40.Whatisthemainpurposeofthispassage?

A.Tolookbacktotheearlydaysofcomputers.

B.Toexplainwhattechnicalproblemsmayoccurwithcomputers.

C.Todiscourageinvestmentincomputers.

D.Towarnagainstamentallylazyattitudetowardscomputers.

__________someofthesuggestionsproveofvaluetoyouaswell?

A、Could
B、Can
C、Might
D、May
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