以太网的拓扑结构是（）。

39.Coconutsare______________indifferentwaysinAmericaandthePacific.

39.Tourismprovidesmanyjob______________forFrenchpeople.

39.Duringthefirstweekalltheclubsandsocietieswillholdastudents’fairduringwhichtheytryto____________newstudentstojointheirsociety.

39.血液病病人粒细胞低于多少,需要实行保护性隔离时（）

39.泌尿系感染中最常见的致病菌是（）

双代号和单代号网络图的箭线分别表示工作和工作间的逻辑关系含义。

网络计划有两种表示方法：单代号网络图、双代号网络图。

双代号网络图的组成三要素包括什么

39.SteveJobsstartedAppleinhisgaragewithsomecomputerpartsandalittlebitofpassion.Astheysay,().putitinanutshell.B.longstoryshort.C.therestishistory.D.itisknown.

39.MassachusettswasestablishedbyEnglishPuritanswhoseparatedthemselvesfromtheRomanCatholicChurch.

RPC——远程过程调用协议，它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。

About50percentofchildrenbetween12and18getanallowanceorcashfromtheirparents,saysasurveyconductedbyOhioStateUniversityfortheU.S.LaborDepartment.Themedianamounttheygotwas$50aweek.(TeenagersintheEastNorthCentralregion,whichincludesOhioandIndiana,getthemost—amedianof$75aweek—andkidsintheEastSouthCentral,includingMississippiandAlabama,aregiventheleast,withamedianof$30aweek.)Nationallyspeaking,about10millionkidsreceiveatotalofaround$1billioneveryweek.39.Onaverage,childrenwhoreceivethemostallowanceslivein___________.

About50percentofchildrenbetween12and18getanallowanceorcashfromtheirparents,saysasurveyconductedbyOhioStateUniversityfortheU.S.LaborDepartment.Themedianamounttheygotwas$50aweek.(TeenagersintheEastNorthCentralregion,whichincludesOhioandIndiana,getthemost—amedianof$75aweek—andkidsintheEastSouthCentral,includingMississippiandAlabama,aregiventheleast,withamedianof$30aweek.)Nationallyspeaking,about10millionkidsreceiveatotalofaround$1billioneveryweek.39.Onaverage,childrenwhoreceivethemostallowanceslivein___________.

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