下列可以把当前目录下的图形文件pic1.jpg装入图片框pictrure1中的语句为()
A. picture="pic1.jpg"
B. pictrure.handle="pic1.jpg"
C. picture1.picture=loadpicture("pic1.jpg")
D. picture=loadpicture("pic1.jpg")
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英国内阁人选由()决定。
A. 首相个人
B. 议会上院
C. 议会下院
D. 国王
Whathappenswhenaroutedoesnotmatchanyuserconfiguredpolicies?()
A. Therouteisrejected.
B. Therouteisaccepted.
C. Therouteisgivenalowerpriority.
D. Therouteissenttothedefaultpolicy.
Whichcontrolexpressionmustbethelastlineinallmacros?()
A
B
C
D
WhyisIPv6packetprocessingmoreeffectivethanIPv4packetprocessing?()
A. fixedheadersize
B. smallerheadersize
C. fewerheaderfields
D. variableheadersize