题目内容

A13~14天
B15~16天
C19~21天
D25~27天
E58~60天

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Youcreateaclasslibrarythatcontainstheclasshierarchydefinedinthefollowingcodesegment.(Linenumbersareincludedforreferenceonly.)
YoucreateaninstanceoftheGroupclass.Youpopulatethefieldsoftheinstance.WhenyouattempttoserializetheinstancebyusingtheSerializemethodoftheXmlSerializerclass,youreceiveInvalidOperationException.Youalsoreceivethefollowingerrormessage:"TherewasanerrorgeneratingtheXMLdocument."YouneedtomodifythecodesegmentsothatyoucansuccessfullyserializeinstancesoftheGroupclassbyusingtheXmlSerializerclass.YoualsoneedtoensurethattheXMLoutputcontainsanelementforallpublicfieldsintheclasshierarchy.
Whatshouldyoudo?()

甲将某物出借给乙,在出借期内,甲同意将该物出售给乙,属于简易交付。()

A社会组织具有目的性
B社会组织具有适应性
C社会组织具有整体性
D社会组织具有局限性
E社会组织具有功利性

A广泛性
B能动性
C变化性
D复杂性

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