单项选择题
下列VB语句中,能够正确地定义一个整型变量和一个字符串变量的是()。
A.Dim a As String,b As Single
B.Dim a As Integer,b As String
C.Dim a As Single,b As Double
D.Dim a As Integer,b As Single
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单项选择题
A.Dim a As String,b As Single
B.Dim a As Integer,b As String
C.Dim a As Single,b As Double
D.Dim a As Integer,b As Single
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