单选题
以下程序:
PublicSubSwap1(xAsInteger,ByValyAsInteger)
DimtAsInteger
t=x:x=y:y=t
EndSub
PublicSubSwap2(xAsInteger,yAsInteger)
DimtAsInteger
t=x:x=y:y=t
EndSub
PrivateSubCommand1_Click()
DimaAsInteger,bAsInteger
a=10:b=20
Swap1a,b
Print"A1=";a,"B1=";b
a=10:b=20
Swap2a,b
Print"A2=";a,"B2=";b
EndSub
当单击命令按钮后,窗体上输出的结果是( )
题目答案
D
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答案解析
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